import type { Plan, PlanProduct } from '@/api/pl'
import { applyPdfStableTableCellBorders } from '@/utils/pl-slip-pdf-render'

/** 分装单打印默认公司信息（可在富文本中修改） */
export const SUBPACK_SLIP_DEFAULTS = {
  companyName: '安庆市山峡化工有限公司',
  receivingUnit: '安庆市山峡化工有限公司',
  companyAddress: '安庆市高新区霞虹路5号',
  companyPhone: '0556-5999710',
  contactPhone: '方总13395560066'
} as const

const DOC_FONT = "SimSun, 'Songti SC', serif"
const FONT_TITLE = 'font-size:26px;font-weight:bold;'
const FONT_BODY = 'font-size:20px;'
const FONT_SIGN = 'font-size:14px;'
const FONT_SIDE = 'font-size:18px;'
const DOC_PADDING = '8px 10px 24px'
/** 单据内容区最大宽度（编辑预览居中，略窄于 A4 像素宽） */
export const SUBPACK_SLIP_DOC_MAX_WIDTH = '960px'
const DOC_WRAP_EXTRA = `max-width:${SUBPACK_SLIP_DOC_MAX_WIDTH};margin:0 auto;box-sizing:border-box;`
const LOGO_HEIGHT = 23
const LOGO_LEFT = 50
const TITLE_STYLE = `${FONT_TITLE}font-weight:700 !important;letter-spacing:6px;line-height:1.35;`
const TITLE_SUB_STYLE = `${TITLE_STYLE}margin-top:2px;letter-spacing:10px;`
const TABLE_ROW_PADDING = '4px'
/** 物料网格 padding（编辑器预览） */
const PRODUCT_GRID_CELL_PADDING = '8px 6px'
const PRODUCT_GRID_TH_PADDING = '10px 6px'
/** PDF 专用：padding 直接写在 td/th（html2canvas 对 flex/vertical-align 支持差，底部多留白） */
const PRODUCT_GRID_PDF_TD_PADDING = '8px 6px 12px 6px'
const PRODUCT_GRID_PDF_TH_PADDING = '10px 6px 16px 6px'
const PRODUCT_GRID_PDF_LINE_HEIGHT = '24px'
/** PDF 专用：备注/条款/地址等左对齐合并单元格 */
const PRODUCT_FOOTER_PDF_PADDING = '10px 6px 16px 6px'
const PRODUCT_FOOTER_PDF_LINE_HEIGHT = '1.35'
/** 物料表格边框线宽（备注/条款等合并单元格，与网格一致便于 PDF 衔接） */
const PRODUCT_TABLE_BORDER = '0.3px solid #000'
/** 物料明细网格线（与合同 PDF 一致：全边框 inline + 0.3px，html2canvas 渲染稳定） */
const PRODUCT_GRID_BORDER = '0.3px solid #000'
/** 物料表格单元格：长文本自动换行 */
const PRODUCT_CELL_WRAP = 'white-space:normal;word-wrap:break-word;overflow-wrap:break-word;word-break:break-word;'
const PRODUCT_GRID_CELL = `padding:${PRODUCT_GRID_CELL_PADDING};box-sizing:border-box;border:${PRODUCT_GRID_BORDER} !important;text-align:center;${FONT_BODY}line-height:normal;background-color:#fff !important;${PRODUCT_CELL_WRAP}`
const PRODUCT_CELL = `padding:4px 6px;border:${PRODUCT_TABLE_BORDER} !important;text-align:center;${FONT_BODY}line-height:1.35;background-color:#fff !important;${PRODUCT_CELL_WRAP}`
const PRODUCT_TH = `padding:${PRODUCT_GRID_TH_PADDING};box-sizing:border-box;border:${PRODUCT_GRID_BORDER} !important;text-align:center;${FONT_BODY}line-height:normal;font-weight:bold;background-color:#fff !important;${PRODUCT_CELL_WRAP}`
const PRODUCT_TABLE_CELL_LEFT = `padding:10px 6px 14px 6px;border:${PRODUCT_TABLE_BORDER} !important;text-align:left;${FONT_BODY}line-height:1.35;vertical-align:top;background-color:#fff !important;`
/** 条款单元格：行高随内容，避免被右侧印章区 min-height 撑出底部空白 */
const PRODUCT_TERMS_CELL_LEFT = `padding:10px 6px 14px 6px;border:${PRODUCT_TABLE_BORDER} !important;text-align:left;${FONT_BODY}line-height:1.35;vertical-align:top;background-color:#fff !important;`
const TERMS_TEXT_STYLE = 'line-height:1.35;'
const SEAL_BLOCK_LINE_STYLE = 'line-height:1.35;'
/** 分装单印章：public/sxshzyz.png，定位在地址单元格右上角（相对原位置向上 100px） */
const SUBPACK_SLIP_SEAL_IMAGE_SRC = '/sxshzyz.png'
const SUBPACK_SLIP_SEAL_TOP = -96
const SUBPACK_SLIP_SEAL_IMAGE_STYLE = `position:absolute;right:4px;top:${SUBPACK_SLIP_SEAL_TOP}px;width:140px;height:140px;opacity:0.85;z-index:10;`
const HANDWRITE_BLANK_INNER = '        '
const HANDWRITE_BLANK = `<span class="subpack-slip-handwrite-blank">(${HANDWRITE_BLANK_INNER})</span>`
const PLAIN_CELL = `border:none !important;padding:${TABLE_ROW_PADDING};${FONT_BODY}line-height:1.8;vertical-align:top;background:transparent !important;`
const NO_BORDER = `${PLAIN_CELL} vertical-align:bottom;`

/** 基本信息：label 与值同一行，值区域占满剩余宽度并带下划线 */
const INFO_ROW = `display:flex;align-items:flex-end;width:100%;box-sizing:border-box;`
const INFO_LABEL = `white-space:nowrap;flex-shrink:0;padding-right:2px;`
const INFO_UNDERLINE = '1px solid #000'
const SIGN_UNDERLINE = '1px solid #000'
/** 签字值下划线与文字间距（底部 padding 把 border-bottom 推离字模） */
const SIGN_VALUE_PADDING = '0 2px 6px 2px'
const SIGN_VALUE_PDF_PADDING = '0 2px 8px 2px'
const INFO_VALUE_INLINE_LEFT = `flex:1;min-width:0;box-sizing:border-box;border-bottom:${INFO_UNDERLINE} !important;padding:0 2px 2px;text-align:left;min-height:1.3em;`
const INFO_VALUE_INLINE_CENTER = `flex:1;min-width:0;box-sizing:border-box;border-bottom:${INFO_UNDERLINE} !important;padding:0 2px 2px;text-align:center;min-height:1.3em;`
const INFO_CELL_LEFT = `${NO_BORDER}text-align:left;`
const INFO_CELL_RIGHT = `${NO_BORDER}text-align:left;`
const INFO_GAP_BEFORE_PRODUCT = 24
const GAP_BEFORE_PRODUCT_CELL = `border:none !important;padding:0 !important;line-height:0 !important;font-size:0 !important;background:transparent !important;height:${INFO_GAP_BEFORE_PRODUCT}px !important;min-height:${INFO_GAP_BEFORE_PRODUCT}px !important;`
const INFO_GAP_BEFORE_SIGN = 24
const GAP_BEFORE_SIGN_CELL = `border:none !important;padding:0 !important;line-height:0 !important;font-size:0 !important;background:transparent !important;height:${INFO_GAP_BEFORE_SIGN}px !important;min-height:${INFO_GAP_BEFORE_SIGN}px !important;`
const SIDE_LABELS_COL_WIDTH = 36

/** 签字区下划线最小宽度 */
const SUBPACK_SLIP_SIGN_VALUE_MIN_WIDTH = '120px'

function buildSubpackSlipSignItem(label: string, valueContent: string, minWidth: string = SUBPACK_SLIP_SIGN_VALUE_MIN_WIDTH): string {
  return `<span class="subpack-slip-sign-item"><span class="subpack-slip-sign-label">${label}</span><span class="subpack-slip-sign-value" style="min-width:${minWidth};">${valueContent}</span></span>`
}

function buildSubpackSlipSignRowHtml(): string {
  return `<tr class="subpack-slip-sign-row">
            <td colspan="7" class="subpack-slip-sign-row-cell" style="border:none !important;padding:${TABLE_ROW_PADDING};text-align:center;${FONT_SIGN}background:transparent !important;">
              <div class="subpack-slip-sign-inner">
                ${buildSubpackSlipSignItem('制单人：', '{{preparerUser}}&nbsp;')}
                ${buildSubpackSlipSignItem('审核：', '&nbsp;')}
                ${buildSubpackSlipSignItem('生产主管：', '&nbsp;')}
              </div>
            </td>
          </tr>`
}

export interface SubpackSlipRenderContext {
  /** 单位字典 code -> 展示文案 */
  getUnitLabel?: (unitCode: string) => string
  /** 分装单号 NO:SXFZYYYYMMDD-### */
  subpackSlipNo?: string
  /** 下单日期 YYYY-MM-DD */
  orderDate?: string
  /** 下单人（当前登录用户姓名） */
  orderUser?: string
  /** 制单人（默认当前登录用户姓名） */
  preparerUser?: string
}

function resolveSlipUnitLabel(unitCode: string | undefined, ctx?: SubpackSlipRenderContext): string {
  const code = String(unitCode || '').trim()
  if (!code) return ''
  return ctx?.getUnitLabel?.(code) || code
}

export function canPrintSubpackSlip(plan?: Pick<Plan, 'planType' | 'transportStatus'> | null): boolean {
  return plan?.planType !== 'inbound'
}

function formatPlanDateChinese(planDate?: string): string {
  if (!planDate) return ''
  const date = new Date(planDate)
  if (Number.isNaN(date.getTime())) return planDate
  return `${date.getFullYear()}年${date.getMonth() + 1}月${date.getDate()}日`
}

function formatQty(value?: number | string | null): string {
  const num = parseFloat(String(value ?? ''))
  if (Number.isNaN(num)) return ''
  return num.toFixed(3)
}

function formatSubpackSlipProductGridCellContent(content: string): string {
  const plain = content
    .trim()
    .replace(/<div class="subpack-slip-product-cell-inner"[^>]*>([\s\S]*?)<\/div>/gi, '$1')
    .replace(/<div class="subpack-slip-pdf-grid-inner"[^>]*>([\s\S]*?)<\/div>/gi, '$1')
    .replace(/<span class="subpack-slip-pdf-grid-text"[^>]*>([\s\S]*?)<\/span>/gi, '$1')
    .replace(/<span class="subpack-slip-product-grid-align"[^>]*>([\s\S]*?)<\/span>/gi, '$1')
    .replace(/^<p[^>]*>([\s\S]*?)<\/p>$/i, '$1')
    .trim()
  return plain || '&nbsp;'
}

function formatDateIso(value?: string | Date | null): string {
  const date = value instanceof Date ? value : value ? new Date(value) : new Date()
  if (Number.isNaN(date.getTime())) return ''
  const y = date.getFullYear()
  const m = String(date.getMonth() + 1).padStart(2, '0')
  const d = String(date.getDate()).padStart(2, '0')
  return `${y}-${m}-${d}`
}

/** 分装单默认下单日期（当天 YYYY-MM-DD） */
export function formatSubpackSlipDateIso(value?: string | Date | null): string {
  return formatDateIso(value)
}

function buildSubpackSlipCompleteCheckHtml(): string {
  return `<label class="subpack-slip-check-item subpack-slip-complete-check-item" contenteditable="false"><input type="checkbox" class="subpack-slip-check-input" />完成</label>`
}

const SUBPACK_SLIP_PRODUCT_MIN_ROWS = 5

function buildSubpackSlipProductRow(
  rowIndex: number,
  product: PlanProduct | undefined,
  ctx?: SubpackSlipRenderContext
): string {
  if (product) {
    const qty = product.outboundQty ?? product.outboundEstimateQty ?? product.quantity ?? ''
    return `<tr>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent(String(rowIndex))}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent(product.productName || '')}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent(product.model || '')}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent(product.packageSpec || '')}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent(resolveSlipUnitLabel(product.unit, ctx))}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent(formatQty(qty))}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell subpack-slip-complete-cell" style="${PRODUCT_GRID_CELL}">${buildSubpackSlipCompleteCheckHtml()}</td>
      </tr>`
  }

  return `<tr>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent(String(rowIndex))}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent('')}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent('')}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent('')}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent('')}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">${formatSubpackSlipProductGridCellContent('')}</td>
        <td class="subpack-slip-product-cell subpack-slip-product-grid-cell subpack-slip-complete-cell" style="${PRODUCT_GRID_CELL}">&nbsp;</td>
      </tr>`
}

function buildProductRows(products: PlanProduct[] = [], ctx?: SubpackSlipRenderContext): string {
  const rowCount = Math.max(products.length, SUBPACK_SLIP_PRODUCT_MIN_ROWS)
  const rows: string[] = []

  for (let index = 0; index < rowCount; index += 1) {
    rows.push(buildSubpackSlipProductRow(index + 1, products[index], ctx))
  }

  return rows.join('')
}

export const SUBPACK_SLIP_PRINT_CSS = `
.subpack-slip-doc {
  padding: ${DOC_PADDING} !important;
  max-width: ${SUBPACK_SLIP_DOC_MAX_WIDTH} !important;
  margin-left: auto !important;
  margin-right: auto !important;
  box-sizing: border-box !important;
}
.subpack-slip-doc .subpack-slip-title-heading {
  font-weight: 700 !important;
  line-height: 1.35 !important;
}
.subpack-slip-doc .subpack-slip-title-heading + .subpack-slip-title-heading {
  margin-top: 2px !important;
}
.subpack-slip-doc .subpack-slip-info-row {
  display: flex !important;
  align-items: flex-end !important;
  width: 100% !important;
  box-sizing: border-box !important;
}
.subpack-slip-doc .subpack-slip-slip-no-display {
  font-size: 20px !important;
  line-height: 1.35 !important;
  letter-spacing: 0.5px !important;
  white-space: nowrap !important;
}
.subpack-slip-doc .subpack-slip-slip-no-anchor {
  position: relative !important;
  flex-shrink: 0 !important;
}
.subpack-slip-doc .subpack-slip-slip-no-anchor-text {
  visibility: hidden !important;
}
.subpack-slip-doc .subpack-slip-slip-no-anchor .subpack-slip-slip-no-display {
  position: absolute !important;
  right: 0 !important;
  top: 0 !important;
  text-align: right !important;
  margin-top: 0 !important;
}
.subpack-slip-doc .subpack-slip-slip-no-field .subpack-slip-info-value-left {
  visibility: hidden !important;
  border-bottom: none !important;
  min-height: 0 !important;
  padding-bottom: 0 !important;
}
.subpack-slip-doc .subpack-slip-basic-info-spacer {
  visibility: hidden !important;
  min-height: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
}
.subpack-slip-doc .subpack-slip-basic-info-inner {
  display: flex !important;
  flex-wrap: wrap !important;
  justify-content: space-between !important;
  align-items: flex-end !important;
  gap: 8px 12px !important;
  width: 100% !important;
  box-sizing: border-box !important;
}
.subpack-slip-doc .subpack-slip-basic-info-item {
  flex: 1 !important;
  min-width: 0 !important;
}
/* 下单/交货日期略宽；下单人与经手人等宽（单号行 spacer 同步，保持右缘对齐） */
.subpack-slip-doc .subpack-slip-basic-info-row .subpack-slip-basic-info-inner > .subpack-slip-basic-info-item:nth-child(1),
.subpack-slip-doc .subpack-slip-basic-info-row .subpack-slip-basic-info-inner > .subpack-slip-basic-info-item:nth-child(2),
.subpack-slip-doc .subpack-slip-slip-no-row .subpack-slip-basic-info-inner > .subpack-slip-basic-info-item:nth-child(1),
.subpack-slip-doc .subpack-slip-slip-no-row .subpack-slip-basic-info-inner > .subpack-slip-basic-info-item:nth-child(2) {
  flex: 1.1 !important;
}
.subpack-slip-doc .subpack-slip-basic-info-row .subpack-slip-basic-info-inner > .subpack-slip-basic-info-item:nth-child(3),
.subpack-slip-doc .subpack-slip-basic-info-row .subpack-slip-basic-info-inner > .subpack-slip-basic-info-item:nth-child(4),
.subpack-slip-doc .subpack-slip-slip-no-row .subpack-slip-basic-info-inner > .subpack-slip-basic-info-item:nth-child(3),
.subpack-slip-doc .subpack-slip-slip-no-row .subpack-slip-basic-info-inner > .subpack-slip-basic-info-item:nth-child(4) {
  flex: 1 !important;
}
.subpack-slip-doc .subpack-slip-remark-row-inner {
  display: flex !important;
  align-items: center !important;
  width: 100% !important;
  box-sizing: border-box !important;
  gap: 12px !important;
}
.subpack-slip-doc .subpack-slip-remark-label {
  flex-shrink: 0 !important;
  white-space: nowrap !important;
}
/* 备注正文 + 补充输入共用一条连续下划线（底部 padding 把线推离字模，避免 PDF/html2canvas 遮字） */
.subpack-slip-doc .subpack-slip-remark-underline-group {
  display: inline-flex !important;
  align-items: baseline !important;
  flex: 1 !important;
  min-width: 200px !important;
  max-width: 420px !important;
  box-sizing: border-box !important;
  border-bottom: ${INFO_UNDERLINE} !important;
  padding: ${SIGN_VALUE_PADDING} !important;
  gap: 0 !important;
  line-height: 1.35 !important;
  overflow: visible !important;
}
.subpack-slip-doc .subpack-slip-remark-value {
  display: inline-block !important;
  flex: 0 1 auto !important;
  min-width: 0 !important;
  max-width: 260px !important;
  box-sizing: border-box !important;
  border-bottom: none !important;
  padding: 0 2px !important;
  min-height: 1.3em !important;
  line-height: 1.35 !important;
  overflow: visible !important;
  white-space: nowrap !important;
  vertical-align: baseline !important;
}
.subpack-slip-doc .subpack-slip-remark-extra-wrap {
  flex: 1 !important;
  min-width: 80px !important;
  display: inline-block !important;
  vertical-align: bottom !important;
  -webkit-user-modify: read-only !important;
}
.subpack-slip-doc .subpack-slip-remark-extra-input {
  width: 100% !important;
  min-width: 80px !important;
  height: 28px !important;
  padding: 0 2px 0 !important;
  margin: 0 !important;
  border: none !important;
  border-bottom: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  font-family: inherit !important;
  font-size: 20px !important;
  line-height: 1.35 !important;
  box-sizing: border-box !important;
  outline: none !important;
  color: #000 !important;
  pointer-events: auto !important;
}
.subpack-slip-doc .subpack-slip-bucket-check-row {
  flex: 1 !important;
  min-width: 0 !important;
  display: flex !important;
  flex-wrap: wrap !important;
  justify-content: center !important;
  align-items: center !important;
  gap: 14px 18px !important;
  box-sizing: border-box !important;
  font-size: 20px !important;
  line-height: 1.35 !important;
}
.subpack-slip-doc .subpack-slip-complete-cell {
  text-align: center !important;
}
.subpack-slip-doc .subpack-slip-complete-check-item {
  justify-content: center !important;
  margin: 0 auto !important;
}
.subpack-slip-doc .subpack-slip-check-item {
  display: inline-flex !important;
  align-items: center !important;
  gap: 4px !important;
  white-space: nowrap !important;
  cursor: pointer !important;
  user-select: none !important;
  -webkit-user-modify: read-only !important;
}
.subpack-slip-doc .subpack-slip-check-input {
  width: 16px !important;
  height: 16px !important;
  margin: 0 !important;
  flex-shrink: 0 !important;
  vertical-align: middle !important;
  cursor: pointer !important;
  pointer-events: auto !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  background: #fff !important;
  border: 1px solid #000 !important;
  border-radius: 0 !important;
  box-sizing: border-box !important;
  print-color-adjust: exact !important;
  -webkit-print-color-adjust: exact !important;
  position: relative !important;
}
.subpack-slip-doc .subpack-slip-check-input:checked::after {
  content: '' !important;
  position: absolute !important;
  left: 4px !important;
  top: 1px !important;
  width: 5px !important;
  height: 10px !important;
  border: solid #000 !important;
  border-width: 0 2.5px 2.5px 0 !important;
  transform: rotate(45deg) !important;
  box-sizing: border-box !important;
}
.subpack-slip-doc .subpack-slip-check-item-pdf {
  display: inline-block !important;
  white-space: nowrap !important;
  font-family: SimSun, 'Songti SC', serif !important;
  font-size: 20px !important;
  line-height: 20px !important;
  height: 20px !important;
  vertical-align: middle !important;
  margin-right: 18px !important;
}
.subpack-slip-doc .subpack-slip-check-item-pdf:last-child {
  margin-right: 0 !important;
}
.subpack-slip-doc .subpack-slip-check-img-pdf {
  display: inline-block !important;
  width: 16px !important;
  height: 16px !important;
  margin: 0 4px 0 0 !important;
  padding: 0 !important;
  border: none !important;
  vertical-align: middle !important;
}
.subpack-slip-doc .subpack-slip-check-text-pdf {
  display: inline-block !important;
  font-size: 20px !important;
  line-height: 20px !important;
  vertical-align: middle !important;
  position: relative !important;
  top: -12px !important;
}
.subpack-slip-doc .subpack-slip-check-item-pdf.subpack-slip-complete-check-item-pdf {
  margin-right: 0 !important;
}
.subpack-slip-doc .subpack-slip-info-label {
  white-space: nowrap !important;
  flex-shrink: 0 !important;
}
.subpack-slip-doc table.subpack-slip-layout-table tr.subpack-slip-gap-before-product td.subpack-slip-gap-before-product-cell {
  border: none !important;
  background: transparent !important;
  padding: 0 !important;
  line-height: 0 !important;
  font-size: 0 !important;
  height: ${INFO_GAP_BEFORE_PRODUCT}px !important;
  min-height: ${INFO_GAP_BEFORE_PRODUCT}px !important;
}
.subpack-slip-doc table.subpack-slip-layout-table tr.subpack-slip-gap-before-sign td.subpack-slip-gap-before-sign-cell {
  border: none !important;
  background: transparent !important;
  padding: 0 !important;
  line-height: 0 !important;
  font-size: 0 !important;
  height: ${INFO_GAP_BEFORE_SIGN}px !important;
  min-height: ${INFO_GAP_BEFORE_SIGN}px !important;
}
.subpack-slip-doc .subpack-slip-info-value-left {
  flex: 1 !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
  text-align: left !important;
  border-bottom: ${INFO_UNDERLINE} !important;
  min-height: 1.3em !important;
}
.subpack-slip-doc .subpack-slip-info-value-center {
  flex: 1 !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
  text-align: center !important;
  border-bottom: ${INFO_UNDERLINE} !important;
  min-height: 1.3em !important;
}
.subpack-slip-doc .subpack-slip-sign-value {
  display: inline-block !important;
  min-width: ${SUBPACK_SLIP_SIGN_VALUE_MIN_WIDTH} !important;
  line-height: 1.35 !important;
  padding: ${SIGN_VALUE_PADDING} !important;
  margin: 0 !important;
  vertical-align: baseline !important;
  border: none !important;
  border-bottom: ${SIGN_UNDERLINE} !important;
  box-sizing: border-box !important;
}
.subpack-slip-doc .subpack-slip-sign-label {
  line-height: 1.35 !important;
  vertical-align: baseline !important;
  white-space: nowrap !important;
}
.subpack-slip-doc table.subpack-slip-outer-table {
  table-layout: fixed !important;
  width: 100% !important;
  border-collapse: collapse !important;
}
.subpack-slip-doc td.subpack-slip-main-col {
  overflow: hidden !important;
  box-sizing: border-box !important;
  vertical-align: top !important;
}
.subpack-slip-doc td.subpack-slip-side-labels-col {
  width: ${SIDE_LABELS_COL_WIDTH}px !important;
  min-width: ${SIDE_LABELS_COL_WIDTH}px !important;
  max-width: ${SIDE_LABELS_COL_WIDTH}px !important;
}
.subpack-slip-doc .subpack-slip-sign-row-cell,
.subpack-slip-doc .subpack-slip-sign-inner,
.subpack-slip-doc .subpack-slip-sign-item {
  font-size: 14px !important;
}
.subpack-slip-doc .subpack-slip-sign-row-cell {
  overflow: hidden !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}
.subpack-slip-doc .subpack-slip-sign-inner {
  display: flex !important;
  flex-wrap: wrap !important;
  justify-content: center !important;
  align-items: baseline !important;
  column-gap: 10px !important;
  row-gap: 6px !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  margin: 0 auto !important;
  white-space: normal !important;
  line-height: 1.35 !important;
}
.subpack-slip-doc .subpack-slip-sign-item {
  display: inline !important;
  white-space: nowrap !important;
  line-height: 1.35 !important;
  vertical-align: baseline !important;
}
.subpack-slip-doc .subpack-slip-terms-text {
  line-height: 1.35 !important;
  margin: 0 !important;
  padding: 0 !important;
}
.subpack-slip-doc td.subpack-slip-terms-cell {
  padding: 10px 6px 14px 6px !important;
  line-height: 1.35 !important;
  vertical-align: top !important;
  height: auto !important;
}
.subpack-slip-doc .subpack-slip-handwrite-blank {
  display: inline-block !important;
  min-width: 3.6em !important;
  text-align: center !important;
  letter-spacing: 0.08em !important;
}
.subpack-slip-doc .subpack-slip-seal-block {
  position: relative !important;
  line-height: 1.35 !important;
  min-height: 0 !important;
  height: auto !important;
}
.subpack-slip-doc .subpack-slip-seal-block img[alt="印章"] {
  position: absolute !important;
  right: 4px !important;
  top: ${SUBPACK_SLIP_SEAL_TOP}px !important;
  left: auto !important;
  transform: none !important;
  width: 140px !important;
  height: 140px !important;
  opacity: 0.85 !important;
  z-index: 10 !important;
}
.subpack-slip-doc .subpack-slip-seal-block .subpack-slip-seal-lines {
  position: relative !important;
  z-index: 1 !important;
  line-height: 1.35 !important;
  margin: 0 !important;
  padding: 0 !important;
}
.subpack-slip-doc table.subpack-slip-outer-table > tbody > tr > td,
.subpack-slip-doc table.subpack-slip-outer-table > tbody > tr > th,
.subpack-slip-doc table.subpack-slip-layout-table td:not(.subpack-slip-product-cell):not(.subpack-slip-gap-before-product-cell):not(.subpack-slip-gap-before-sign-cell),
.subpack-slip-doc table.subpack-slip-layout-table th:not(.subpack-slip-product-cell) {
  border: none !important;
  background: transparent !important;
  padding: ${TABLE_ROW_PADDING} !important;
}
.subpack-slip-doc table.subpack-slip-layout-table {
  border-collapse: collapse !important;
  border-spacing: 0 !important;
  table-layout: fixed !important;
}
.subpack-slip-doc .subpack-slip-product-grid-cell {
  border: ${PRODUCT_GRID_BORDER} !important;
  text-align: center !important;
  vertical-align: middle !important;
  padding: ${PRODUCT_GRID_CELL_PADDING} !important;
  box-sizing: border-box !important;
  line-height: normal !important;
  overflow: visible !important;
  white-space: normal !important;
  word-wrap: break-word !important;
  overflow-wrap: break-word !important;
  word-break: break-word !important;
  background-color: #fff !important;
}
.subpack-slip-doc th.subpack-slip-product-grid-cell {
  padding: ${PRODUCT_GRID_TH_PADDING} !important;
  font-weight: bold !important;
}
.subpack-slip-doc .subpack-slip-product-grid-cell > p {
  margin: 0 !important;
  padding: 0 !important;
  text-align: center !important;
  line-height: 1.35 !important;
}
.subpack-slip-doc .subpack-slip-product-cell:not(.subpack-slip-product-grid-cell) {
  border: ${PRODUCT_GRID_BORDER} !important;
  background-color: #fff !important;
  padding: 10px 6px 14px 6px !important;
  line-height: 1.35 !important;
  vertical-align: top !important;
  white-space: normal !important;
  word-wrap: break-word !important;
  overflow-wrap: break-word !important;
  word-break: break-word !important;
}
.subpack-slip-doc .subpack-slip-seal-block,
.subpack-slip-doc .subpack-slip-seal-lines,
.subpack-slip-doc .subpack-slip-terms-text {
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1.35 !important;
}
.subpack-slip-doc table.subpack-slip-side-labels {
  border: none !important;
  border-collapse: collapse !important;
  width: auto !important;
  margin: 0 auto !important;
}
.subpack-slip-doc td.subpack-slip-side-labels-col,
.subpack-slip-doc table.subpack-slip-side-labels td,
.subpack-slip-doc table.subpack-slip-side-labels th {
  border: none !important;
  background: transparent !important;
  padding: 0 !important;
  vertical-align: top !important;
  text-align: center !important;
  font-size: 18px !important;
  line-height: 1.35 !important;
  letter-spacing: 0 !important;
  white-space: normal !important;
}
`

export const SUBPACK_SLIP_STYLE_BLOCK = `<style type="text/css">${SUBPACK_SLIP_PRINT_CSS}</style>`

/** 生成公司印章 HTML（地址/电话单元格右上角） */
export function buildSubpackSlipCompanySealHtml(): string {
  return `<img src="${SUBPACK_SLIP_SEAL_IMAGE_SRC}" alt="印章" style="${SUBPACK_SLIP_SEAL_IMAGE_STYLE}" />`
}

const SUBPACK_SLIP_BUCKET_CHECK_INNER_STYLE =
  'flex:1;min-width:0;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:14px 18px;box-sizing:border-box;font-size:20px;line-height:1.35;'

function buildSubpackSlipProductHeaderRowHtml(): string {
  return `<tr class="subpack-slip-product-header">
            <th class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_TH}">序号</th>
            <th class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_TH}">产品名称</th>
            <th class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_TH}">产品型号</th>
            <th class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_TH}">包装规格</th>
            <th class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_TH}">单位</th>
            <th class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_TH}">数量</th>
            <th class="subpack-slip-product-cell subpack-slip-product-grid-cell" style="${PRODUCT_TH}">是否完成</th>
          </tr>`
}

function buildSubpackSlipBucketCheckItem(label: string): string {
  return `<label class="subpack-slip-check-item subpack-slip-bucket-check-item" contenteditable="false"><input type="checkbox" class="subpack-slip-check-input" />${label}</label>`
}

function buildSubpackSlipBucketCheckboxesHtml(): string {
  return `${buildSubpackSlipBucketCheckItem('全新桶')}${buildSubpackSlipBucketCheckItem('是否回收桶')}${buildSubpackSlipBucketCheckItem('桶循环')}`
}

function buildSubpackSlipSlipNoDisplayHtml(): string {
  return `<span class="subpack-slip-slip-no-display">{{subpackSlipNo}}&nbsp;</span>`
}

/** 基本信息列宽：日期略宽；下单人/经手人等宽（与 content_style nth-child 一致） */
const BASIC_INFO_FLEX_DATE = '1.1'
const BASIC_INFO_FLEX_PERSON = '1'

function buildSubpackSlipSlipNoRowHtml(): string {
  const spacer = (flex: string) =>
    `<div class="subpack-slip-basic-info-item subpack-slip-basic-info-spacer" style="flex:${flex};min-width:0;">&nbsp;</div>`
  return `<tr class="subpack-slip-slip-no-row">
            <td colspan="7" style="${INFO_CELL_LEFT}">
              <div class="subpack-slip-basic-info-inner" style="display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:8px 12px;width:100%;box-sizing:border-box;">
                ${spacer(BASIC_INFO_FLEX_DATE)}${spacer(BASIC_INFO_FLEX_DATE)}${spacer(BASIC_INFO_FLEX_PERSON)}
                <div class="subpack-slip-info-row subpack-slip-basic-info-item subpack-slip-slip-no-field" style="${INFO_ROW}flex:${BASIC_INFO_FLEX_PERSON};min-width:0;">
                  <span class="subpack-slip-info-label subpack-slip-slip-no-anchor" style="${INFO_LABEL}">
                    <span class="subpack-slip-slip-no-anchor-text">经手人：</span>
                    ${buildSubpackSlipSlipNoDisplayHtml()}
                  </span>
                  <span class="subpack-slip-info-value-left" style="${INFO_VALUE_INLINE_LEFT}">&nbsp;</span>
                </div>
              </div>
            </td>
          </tr>`
}

function buildSubpackSlipBasicInfoRowHtml(): string {
  const field = (label: string, placeholder: string, flex: string = BASIC_INFO_FLEX_PERSON) =>
    `<div class="subpack-slip-info-row subpack-slip-basic-info-item" style="${INFO_ROW}flex:${flex};min-width:0;">
        <span class="subpack-slip-info-label" style="${INFO_LABEL}">${label}</span>
        <span class="subpack-slip-info-value-left" style="${INFO_VALUE_INLINE_LEFT}">${placeholder}&nbsp;</span>
      </div>`
  return `<tr class="subpack-slip-basic-info-row">
            <td colspan="7" style="${INFO_CELL_LEFT}">
              <div class="subpack-slip-basic-info-inner" style="display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:8px 12px;width:100%;box-sizing:border-box;">
                ${field('下单日期：', '{{orderDate}}', BASIC_INFO_FLEX_DATE)}
                ${field('交货日期：', '{{deliveryDate}}', BASIC_INFO_FLEX_DATE)}
                ${field('下单人：', '{{orderUser}}', BASIC_INFO_FLEX_PERSON)}
                ${field('经手人：', '{{handlerName}}', BASIC_INFO_FLEX_PERSON)}
              </div>
            </td>
          </tr>`
}

function buildSubpackSlipRemarkExtraInputHtml(): string {
  return `<span class="subpack-slip-remark-extra-wrap" contenteditable="false"><input type="text" class="subpack-slip-remark-extra-input" value="{{remarkExtra}}" /></span>`
}

function buildSubpackSlipRemarkUnderlineGroupHtml(remarkContent: string = '{{remark}}'): string {
  return `<span class="subpack-slip-remark-underline-group"><span class="subpack-slip-remark-value">${remarkContent}&nbsp;</span>${buildSubpackSlipRemarkExtraInputHtml()}</span>`
}

function buildSubpackSlipRemarkRowHtml(): string {
  return `<div class="subpack-slip-remark-row-inner">
    <span class="subpack-slip-remark-label">备注：</span>
    ${buildSubpackSlipRemarkUnderlineGroupHtml()}
    <div class="subpack-slip-bucket-check-row" contenteditable="false" style="${SUBPACK_SLIP_BUCKET_CHECK_INNER_STYLE}">${buildSubpackSlipBucketCheckboxesHtml()}</div>
  </div>`
}

/** 修复旧模板中 label / 桶选项容器缺少 contenteditable="false" 导致 TinyMCE 内多选失效 */
function ensureSubpackSlipInteractiveMarkup(html: string): string {
  let result = html.replace(/<label\b([^>]*\bsubpack-slip-check-item\b[^>]*)>/gi, (match, attrs: string) => {
    if (/contenteditable=/i.test(attrs)) return match
    return `<label${attrs} contenteditable="false">`
  })
  result = result.replace(/<div class="subpack-slip-bucket-check-row"([^>]*)>/g, (match, attrs: string) => {
    if (/contenteditable=/i.test(attrs)) return match
    return `<div class="subpack-slip-bucket-check-row"${attrs} contenteditable="false">`
  })
  return result
}

/** @deprecated 分装单已移除右侧联次，保留空实现兼容旧引用 */
export function buildSubpackSlipSideLabelsHtml(): string {
  return ''
}

/** 生成带占位符的分装单 HTML 模板 */
export function generateSubpackSlipTemplate(_plan?: Plan): string {
  return `${SUBPACK_SLIP_STYLE_BLOCK}<div class="subpack-slip-doc" style="font-family:${DOC_FONT};${FONT_BODY}color:#000;line-height:1.5;background:#fff;padding:${DOC_PADDING};${DOC_WRAP_EXTRA}">

  <!-- 上部分：标题区 -->
  <div class="subpack-slip-title-section" style="position:relative;min-height:48px;margin-bottom:14px;">
    <img src="/logo.gif" alt="logo" style="position:absolute;left:${LOGO_LEFT}px;top:50%;transform:translateY(-50%);height:${LOGO_HEIGHT}px;width:auto;" />
    <div style="text-align:center;padding:4px 60px 0 100px;">
      <div class="subpack-slip-title-heading" style="${TITLE_STYLE}">{{companyName}}</div>
      <div class="subpack-slip-title-heading" style="${TITLE_SUB_STYLE}">分&nbsp;装&nbsp;单</div>
    </div>
  </div>

  <table class="subpack-slip-layout-table" style="width:100%;border-collapse:collapse;table-layout:fixed;border:none !important;">
    <colgroup>
      <col span="7" style="width:14.28%;" />
    </colgroup>

    <!-- 分装单号（右缘与经手人标签右缘对齐） -->
    ${buildSubpackSlipSlipNoRowHtml()}

    <!-- 基本信息一行四列 -->
    ${buildSubpackSlipBasicInfoRowHtml()}

    <tr class="subpack-slip-gap-before-product">
      <td colspan="7" class="subpack-slip-gap-before-product-cell" style="${GAP_BEFORE_PRODUCT_CELL}">&nbsp;</td>
    </tr>

    <!-- 中：产品明细表（含备注，黑色边框） -->
    ${buildSubpackSlipProductHeaderRowHtml()}
    {{productTable}}

    <!-- 备注 + 桶选项（7列合并，物料表边框） -->
    <tr>
      <td colspan="7" class="subpack-slip-product-cell subpack-slip-remark-cell" style="${PRODUCT_TABLE_CELL_LEFT}">
        ${buildSubpackSlipRemarkRowHtml()}
      </td>
    </tr>

    <tr class="subpack-slip-gap-before-sign">
      <td colspan="7" class="subpack-slip-gap-before-sign-cell" style="${GAP_BEFORE_SIGN_CELL}">&nbsp;</td>
    </tr>

    <!-- 下：签字区 -->
    ${buildSubpackSlipSignRowHtml()}
  </table>
</div>`
}

/** 移除印章、地址/电话行（分装单不再展示） */
function normalizeSubpackSlipRemoveAddressAndSeal(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html

  let result = html.replace(/<img[^>]*alt="印章"[^>]*>/gi, '')
  result = result.replace(/\{\{companySeal\}\}/g, '')
  result = result.replace(/<!--\s*印章图片\s*-->\s*/g, '')
  result = result.replace(/<!--\s*地址\/电话[\s\S]*?-->\s*/g, '')
  result = result.replace(/<!--\s*地址\/印章[\s\S]*?-->\s*/g, '')
  result = result.replace(/<div class="subpack-slip-address-block"[\s\S]*?<\/div>/g, '')
  result = result.replace(/<div class="subpack-slip-seal-block"[\s\S]*?<\/div>/g, '')
  result = result.replace(
    /<tr>\s*<td colspan="7"[^>]*>\s*<div class="subpack-slip-address-block"[\s\S]*?<\/tr>\s*/g,
    ''
  )
  result = result.replace(
    /<tr>\s*<td colspan="7"[^>]*>\s*<div class="subpack-slip-seal-block"[\s\S]*?<\/tr>\s*/g,
    ''
  )
  result = result.replace(
    /<tr>\s*<td colspan="4"[^>]*>\s*&nbsp;\s*<\/td>\s*<td colspan="3"[^>]*>\s*<div class="subpack-slip-seal-block"[\s\S]*?<\/tr>\s*/g,
    ''
  )
  result = result.replace(
    /<tr>\s*<!--\s*地址[\s\S]*?<\/tr>\s*/g,
    ''
  )
  result = result.replace(
    /<tr>\s*<td colspan="7"[^>]*>[\s\S]*?地址：[\s\S]*?联系人电话：[\s\S]*?<\/tr>\s*/g,
    ''
  )

  return result.replace(/min-height:76px;/g, 'min-height:0;')
}

/** @deprecated 请使用 normalizeSubpackSlipRemoveAddressAndSeal */
function normalizeSubpackSlipSealPlaceholder(html: string): string {
  return normalizeSubpackSlipRemoveAddressAndSeal(html)
}

function applyProductGridBorderToStyle(style: string): string {
  let next = style
    .replace(/border:[^;]*;?/gi, '')
    .replace(/border-right:[^;]*;?/gi, '')
    .replace(/border-bottom:[^;]*;?/gi, '')
    .replace(/border-left:[^;]*;?/gi, '')
    .replace(/border-top:[^;]*;?/gi, '')
    .replace(/height:\s*\d+px;?/gi, '')
    .replace(/min-height:\s*[^;]*;?/gi, '')
    .replace(/text-align:left;/g, 'text-align:center;')
    .replace(/vertical-align:top;/g, '')
    .trim()
  return `border:${PRODUCT_GRID_BORDER} !important;text-align:center;padding:${PRODUCT_GRID_CELL_PADDING};box-sizing:border-box;line-height:normal;${next}`
}

function patchProductFooterCellAttrs(attrs: string, classes: string, style: string): string {
  let next = attrs
  if (next.includes('class="')) {
    next = next.replace(/class="([^"]*)"/, (_, cls: string) => {
      let updated = cls.trim()
      for (const item of classes.split(/\s+/)) {
        if (item && !updated.includes(item)) updated += ` ${item}`
      }
      return `class="${updated.trim()}"`
    })
  } else {
    next = `${next} class="${classes.trim()}"`
  }
  if (next.includes('style="')) {
    next = next.replace(/style="[^"]*"/, `style="${style}"`)
  } else {
    next = `${next} style="${style}"`
  }
  return next
}

/** 物料明细网格：全边框 inline + 原生居中（兼容已保存模板，对齐合同 PDF） */
function patchSubpackSlipProductGridCellAttrs(attrs: string): string {
  let next = attrs.includes('class="')
    ? attrs.replace(/class="([^"]*)"/, (_, cls: string) => {
        let updated = cls
        if (!updated.includes('subpack-slip-product-cell')) updated += ' subpack-slip-product-cell'
        if (!updated.includes('subpack-slip-product-grid-cell')) updated += ' subpack-slip-product-grid-cell'
        return `class="${updated.trim()}"`
      })
    : `${attrs} class="subpack-slip-product-cell subpack-slip-product-grid-cell"`
  if (next.includes('style="')) {
    next = next.replace(/style="([^"]*)"/, (_, style: string) => `style="${applyProductGridBorderToStyle(style)}"`)
  } else {
    next = `${next} style="${PRODUCT_GRID_CELL}"`
  }
  return next
}

function normalizeSubpackSlipProductGridCell(html: string): string {
  if (!html.includes('subpack-slip-doc') || !html.includes('subpack-slip-product-cell')) return html

  let result = html.replace(/<tr([^>]*)>\s*(<th[\s\S]*?<\/th>\s*){7}\s*<\/tr>/g, (rowMatch) => {
    if (
      (!rowMatch.includes('物料编号') && !rowMatch.includes('序号')) ||
      rowMatch.includes('colspan')
    ) {
      return rowMatch
    }
    let row = rowMatch.includes('subpack-slip-product-header')
      ? rowMatch
      : rowMatch.replace('<tr', '<tr class="subpack-slip-product-header"')
    return row.replace(/<(th)([^>]*)>([\s\S]*?)<\/th>/g, (_m, tag, attrs, content) => {
      return `<${tag}${patchSubpackSlipProductGridCellAttrs(attrs)}>${formatSubpackSlipProductGridCellContent(content)}</${tag}>`
    })
  })

  result = result.replace(/<tr([^>]*)>\s*(<td(?![^>]*colspan)[^>]*>[\s\S]*?<\/td>\s*){7}\s*<\/tr>/g, (rowMatch) => {
    if (
      rowMatch.includes('备注') ||
      rowMatch.includes('1.本送货单') ||
      rowMatch.includes('制单人：') ||
      rowMatch.includes('仓库：') ||
      rowMatch.includes('subpack-slip-complete-check-item') ||
      rowMatch.includes('暂无产品信息')
    ) {
      return rowMatch
    }
    return rowMatch.replace(/<(td)([^>]*)>([\s\S]*?)<\/td>/g, (_m, tag, attrs, content) => {
      if (attrs.includes('colspan')) return `<${tag}${attrs}>${content}</td>`
      return `<${tag}${patchSubpackSlipProductGridCellAttrs(attrs)}>${formatSubpackSlipProductGridCellContent(content)}</${tag}>`
    })
  })

  return normalizeSubpackSlipGridCellWrappers(result)
}

/** 去掉 TinyMCE / 历史包裹层，单元格内保留纯文本（对齐合同 PDF） */
function normalizeSubpackSlipGridCellWrappers(html: string): string {
  if (!html.includes('subpack-slip-product-grid-cell')) return html

  const unwrap = (tag: string, attrs: string, content: string) =>
    `<${tag}${attrs}>${formatSubpackSlipProductGridCellContent(content)}</${tag}>`

  let result = html.replace(
    /<(td|th)([^>]*subpack-slip-product-grid-cell[^>]*)>\s*<span class="subpack-slip-product-grid-align"[^>]*>([\s\S]*?)<\/span>\s*<\/\1>/gi,
    (_m, tag, attrs, content) => unwrap(tag, attrs, content)
  )

  result = result.replace(
    /<(td|th)([^>]*subpack-slip-product-grid-cell[^>]*)>\s*<span class="subpack-slip-pdf-grid-text"[^>]*>([\s\S]*?)<\/span>\s*<\/\1>/gi,
    (_m, tag, attrs, content) => unwrap(tag, attrs, content)
  )

  result = result.replace(
    /<(td|th)([^>]*subpack-slip-product-grid-cell[^>]*)>\s*<div class="subpack-slip-pdf-grid-inner"[^>]*>([\s\S]*?)<\/div>\s*<\/\1>/gi,
    (_m, tag, attrs, content) => unwrap(tag, attrs, content)
  )

  result = result.replace(
    /<(td|th)([^>]*subpack-slip-product-grid-cell[^>]*)>\s*<p[^>]*>([\s\S]*?)<\/p>\s*<\/\1>/gi,
    (_m, tag, attrs, content) => unwrap(tag, attrs, content)
  )

  result = result.replace(
    /<(td|th)([^>]*subpack-slip-product-grid-cell[^>]*)>\s*<div(?![^>]*class="subpack-slip)[^>]*>([\s\S]*?)<\/div>\s*<\/\1>/gi,
    (_m, tag, attrs, content) => unwrap(tag, attrs, content)
  )

  result = result.replace(/<(td|th)([^>]*subpack-slip-product-grid-cell[^>]*)\s+height="[^"]*"/gi, '<$1$2')
  result = result.replace(/<(tr)([^>]*class="[^"]*subpack-slip-product[^"]*"[^>]*)\s+height="[^"]*"/gi, '<$1$2')

  return result
}

function extractSubpackSlipGridCellContent(cell: HTMLTableCellElement): string {
  let content = cell.innerHTML.trim()
  const onlyChild = cell.firstElementChild
  if (onlyChild && cell.childElementCount === 1) {
    const tag = onlyChild.tagName
    if (
      tag === 'P' ||
      tag === 'DIV' ||
      tag === 'SPAN' ||
      onlyChild.classList.contains('subpack-slip-pdf-grid-inner') ||
      onlyChild.classList.contains('subpack-slip-pdf-grid-text')
    ) {
      content = onlyChild.innerHTML.trim()
    }
  }
  return formatSubpackSlipProductGridCellContent(content)
}

function applySubpackSlipPdfGridCellStyles(cell: HTMLTableCellElement, isHeader: boolean): void {
  const content = extractSubpackSlipGridCellContent(cell)
  cell.innerHTML = content || '&nbsp;'
  cell.removeAttribute('height')
  cell.style.removeProperty('height')
  cell.style.removeProperty('min-height')
  cell.style.setProperty('padding', isHeader ? PRODUCT_GRID_PDF_TH_PADDING : PRODUCT_GRID_PDF_TD_PADDING, 'important')
  cell.style.setProperty('text-align', 'center', 'important')
  cell.style.setProperty('font-size', '20px', 'important')
  cell.style.setProperty('line-height', PRODUCT_GRID_PDF_LINE_HEIGHT, 'important')
  cell.style.setProperty('box-sizing', 'border-box', 'important')
  cell.style.setProperty('overflow', 'visible', 'important')
  cell.style.setProperty('vertical-align', 'middle', 'important')
  if (isHeader) {
    cell.style.setProperty('font-weight', 'bold', 'important')
  }
}

function applySubpackSlipPdfFooterCellStyles(cell: HTMLTableCellElement): void {
  cell.removeAttribute('height')
  cell.style.removeProperty('height')
  cell.style.removeProperty('min-height')
  cell.style.setProperty('padding', PRODUCT_FOOTER_PDF_PADDING, 'important')
  cell.style.setProperty('font-size', '20px', 'important')
  cell.style.setProperty('line-height', PRODUCT_FOOTER_PDF_LINE_HEIGHT, 'important')
  cell.style.setProperty('box-sizing', 'border-box', 'important')
  cell.style.setProperty('overflow', 'visible', 'important')
  cell.style.setProperty('vertical-align', 'top', 'important')
  cell.style.setProperty('text-align', 'left', 'important')
}

function unwrapSubpackSlipPdfCellParagraph(cell: HTMLTableCellElement): void {
  const onlyChild = cell.firstElementChild
  if (onlyChild?.tagName === 'P' && cell.childElementCount === 1) {
    cell.innerHTML = onlyChild.innerHTML.trim() || '&nbsp;'
  }
}

function prepareSubpackSlipPdfRemarkCell(cell: HTMLTableCellElement): void {
  unwrapSubpackSlipPdfCellParagraph(cell)
  applySubpackSlipPdfFooterCellStyles(cell)
  cell.querySelectorAll('.subpack-slip-remark-underline-group').forEach((node) => {
    const group = node as HTMLElement
    group.style.setProperty('display', 'inline-flex', 'important')
    group.style.setProperty('align-items', 'baseline', 'important')
    group.style.setProperty('flex', '1', 'important')
    group.style.setProperty('min-width', '200px', 'important')
    group.style.setProperty('max-width', '420px', 'important')
    group.style.setProperty('border', 'none', 'important')
    group.style.setProperty('border-bottom', INFO_UNDERLINE, 'important')
    // 与签字区一致：加大底部 padding，避免 html2canvas 把下划线叠在文字上
    group.style.setProperty('padding', SIGN_VALUE_PDF_PADDING, 'important')
    group.style.setProperty('gap', '0', 'important')
    group.style.setProperty('line-height', '1.35', 'important')
    group.style.setProperty('overflow', 'visible', 'important')
    group.style.setProperty('box-sizing', 'border-box', 'important')
  })
  cell.querySelectorAll('.subpack-slip-remark-value').forEach((node) => {
    const el = node as HTMLElement
    el.style.setProperty('display', 'inline-block', 'important')
    el.style.setProperty('border-bottom', 'none', 'important')
    el.style.setProperty('padding', '0 2px', 'important')
    el.style.setProperty('line-height', '1.35', 'important')
    el.style.setProperty('overflow', 'visible', 'important')
    el.style.setProperty('vertical-align', 'baseline', 'important')
  })
  cell.querySelectorAll('input.subpack-slip-remark-extra-input').forEach((node) => {
    const input = node as HTMLInputElement
    const text = (input.value || '').trim()
    const span = document.createElement('span')
    span.className = 'subpack-slip-remark-extra-text-pdf'
    span.textContent = text || '\u00a0'
    span.style.setProperty('display', 'inline-block', 'important')
    span.style.setProperty('min-width', '80px', 'important')
    span.style.setProperty('flex', '1', 'important')
    span.style.setProperty('padding', '0 2px', 'important')
    span.style.setProperty('border-bottom', 'none', 'important')
    span.style.setProperty('font-size', '20px', 'important')
    span.style.setProperty('line-height', '1.35', 'important')
    span.style.setProperty('vertical-align', 'baseline', 'important')
    input.replaceWith(span)
  })
}

function prepareSubpackSlipPdfTermsCell(cell: HTMLTableCellElement): void {
  applySubpackSlipPdfFooterCellStyles(cell)
  const terms = cell.querySelector('.subpack-slip-terms-text') as HTMLElement | null
  if (terms) {
    terms.style.setProperty('margin', '0', 'important')
    terms.style.setProperty('padding', '0', 'important')
    terms.style.setProperty('line-height', PRODUCT_FOOTER_PDF_LINE_HEIGHT, 'important')
  }
}

function prepareSubpackSlipPdfSealCell(cell: HTMLTableCellElement): void {
  applySubpackSlipPdfFooterCellStyles(cell)
  const block =
    (cell.querySelector('.subpack-slip-address-block') as HTMLElement | null) ||
    (cell.querySelector('.subpack-slip-seal-block') as HTMLElement | null)
  const lines = cell.querySelector('.subpack-slip-seal-lines') as HTMLElement | null
  if (block) {
    block.style.setProperty('padding', '0', 'important')
    block.style.setProperty('margin', '0', 'important')
    block.style.setProperty('position', 'relative', 'important')
    block.style.setProperty('line-height', PRODUCT_FOOTER_PDF_LINE_HEIGHT, 'important')
  }
  if (lines) {
    lines.style.setProperty('margin', '0', 'important')
    lines.style.setProperty('padding', '0', 'important')
    lines.style.setProperty('line-height', PRODUCT_FOOTER_PDF_LINE_HEIGHT, 'important')
  }
}

function prepareSubpackSlipPdfSignValues(root: HTMLElement): void {
  root.querySelectorAll('.subpack-slip-sign-value').forEach((node) => {
    const el = node as HTMLElement
    el.style.setProperty('display', 'inline-block', 'important')
    el.style.setProperty('padding', SIGN_VALUE_PDF_PADDING, 'important')
    el.style.setProperty('line-height', '1.35', 'important')
    el.style.setProperty('vertical-align', 'baseline', 'important')
    el.style.setProperty('border', 'none', 'important')
    el.style.setProperty('border-bottom', SIGN_UNDERLINE, 'important')
    el.style.setProperty('box-sizing', 'border-box', 'important')
    el.style.setProperty('min-width', SUBPACK_SLIP_SIGN_VALUE_MIN_WIDTH, 'important')
  })
}

/** PDF 截图前：将原生 checkbox 替换为 canvas 方框图 + 文字（html2canvas 对 flex/SVG 对齐不稳定） */
const subpackSlipPdfCheckboxImgCache: { empty?: string; checked?: string } = {}

function buildSubpackSlipPdfCheckboxImgDataUrl(checked: boolean): string {
  const key = checked ? 'checked' : 'empty'
  if (subpackSlipPdfCheckboxImgCache[key]) return subpackSlipPdfCheckboxImgCache[key]!

  const size = 32
  const canvas = document.createElement('canvas')
  canvas.width = size
  canvas.height = size
  const ctx = canvas.getContext('2d')
  if (!ctx) return ''

  ctx.fillStyle = '#ffffff'
  ctx.fillRect(0, 0, size, size)
  ctx.strokeStyle = '#000000'
  ctx.lineWidth = 2
  ctx.strokeRect(1, 1, size - 2, size - 2)
  if (checked) {
    ctx.beginPath()
    ctx.moveTo(8, 17)
    ctx.lineTo(14, 23)
    ctx.lineTo(24, 8)
    ctx.strokeStyle = '#000000'
    ctx.lineWidth = 3.5
    ctx.lineCap = 'round'
    ctx.lineJoin = 'round'
    ctx.stroke()
  }

  const url = canvas.toDataURL('image/png')
  subpackSlipPdfCheckboxImgCache[key] = url
  return url
}

function buildSubpackSlipPdfCheckItemHtml(checked: boolean, labelText: string, extraClass = ''): string {
  const imgSrc = buildSubpackSlipPdfCheckboxImgDataUrl(checked)
  const className = `subpack-slip-check-item-pdf${extraClass ? ` ${extraClass}` : ''}`
  if (!imgSrc) return `<span class="${className}">${labelText}</span>`

  return `<span class="${className}"><img class="subpack-slip-check-img-pdf" src="${imgSrc}" width="16" height="16" alt="" /><span class="subpack-slip-check-text-pdf">${labelText}</span></span>`
}

function applySubpackSlipPdfCheckboxLayout(root: HTMLElement): void {
  root.querySelectorAll('.subpack-slip-bucket-check-row').forEach((node) => {
    const row = node as HTMLElement
    row.style.setProperty('display', 'flex', 'important')
    row.style.setProperty('flex', '1', 'important')
    row.style.setProperty('justify-content', 'center', 'important')
    row.style.setProperty('align-items', 'center', 'important')
    row.style.setProperty('flex-wrap', 'wrap', 'important')
    row.style.setProperty('gap', '14px 18px', 'important')
    row.style.setProperty('line-height', '20px', 'important')
    row.style.setProperty('font-size', '20px', 'important')
  })

  root.querySelectorAll('.subpack-slip-remark-row-inner').forEach((node) => {
    const row = node as HTMLElement
    row.style.setProperty('display', 'flex', 'important')
    row.style.setProperty('align-items', 'center', 'important')
    row.style.setProperty('width', '100%', 'important')
    row.style.setProperty('gap', '12px', 'important')
  })

  root.querySelectorAll('.subpack-slip-check-item-pdf').forEach((node) => {
    const item = node as HTMLElement
    const isComplete = item.classList.contains('subpack-slip-complete-check-item-pdf')
    item.style.setProperty('display', 'inline-block', 'important')
    item.style.setProperty('white-space', 'nowrap', 'important')
    item.style.setProperty('font-family', "SimSun, 'Songti SC', serif", 'important')
    item.style.setProperty('font-size', '20px', 'important')
    item.style.setProperty('line-height', '20px', 'important')
    item.style.setProperty('height', '20px', 'important')
    item.style.setProperty('margin-right', isComplete ? '0' : '18px', 'important')
    item.style.setProperty('vertical-align', 'middle', 'important')

    const img = item.querySelector('img.subpack-slip-check-img-pdf') as HTMLImageElement | null
    if (img) {
      img.style.setProperty('display', 'inline-block', 'important')
      img.style.setProperty('width', '16px', 'important')
      img.style.setProperty('height', '16px', 'important')
      img.style.setProperty('margin', '0 4px 0 0', 'important')
      img.style.setProperty('padding', '0', 'important')
      img.style.setProperty('border', 'none', 'important')
      img.style.setProperty('vertical-align', 'middle', 'important')
    }

    const text = item.querySelector('.subpack-slip-check-text-pdf') as HTMLElement | null
    if (text) {
      text.style.setProperty('display', 'inline-block', 'important')
      text.style.setProperty('font-size', '20px', 'important')
      text.style.setProperty('line-height', '20px', 'important')
      text.style.setProperty('vertical-align', 'middle', 'important')
      text.style.setProperty('position', 'relative', 'important')
      text.style.setProperty('top', '-12px', 'important')
    }
  })
}

function prepareSubpackSlipPdfCheckboxes(root: HTMLElement): void {
  root.querySelectorAll('label.subpack-slip-check-item').forEach((node) => {
    const label = node as HTMLElement
    const input = label.querySelector('input.subpack-slip-check-input') as HTMLInputElement | null
    const checked = input?.checked ?? false
    const labelText = (label.textContent || '').replace(/[✓☑□☐]/g, '').trim()
    const extraClass = label.classList.contains('subpack-slip-complete-check-item')
      ? 'subpack-slip-complete-check-item-pdf'
      : label.classList.contains('subpack-slip-bucket-check-item')
        ? 'subpack-slip-bucket-check-item-pdf'
        : ''

    const html = buildSubpackSlipPdfCheckItemHtml(checked, labelText, extraClass)
    const wrapper = document.createElement('div')
    wrapper.innerHTML = html.trim()
    const replacement = wrapper.firstElementChild
    if (replacement) {
      label.replaceWith(replacement)
    }
  })

  applySubpackSlipPdfCheckboxLayout(root)
}

/** PDF 截图前：物料网格 + 备注/条款/地址行 + 签字区统一样式 */
export function prepareSubpackSlipPdfGridCells(root: HTMLElement): void {
  root.querySelectorAll('td.subpack-slip-product-grid-cell, th.subpack-slip-product-grid-cell').forEach((node) => {
    applySubpackSlipPdfGridCellStyles(node as HTMLTableCellElement, node.tagName === 'TH')
  })

  root.querySelectorAll('td.subpack-slip-terms-cell').forEach((node) => {
    prepareSubpackSlipPdfTermsCell(node as HTMLTableCellElement)
  })

  root.querySelectorAll('td.subpack-slip-product-cell:not(.subpack-slip-product-grid-cell)').forEach((node) => {
    const cell = node as HTMLTableCellElement
    if (cell.classList.contains('subpack-slip-terms-cell')) return
    if (cell.querySelector('.subpack-slip-address-block, .subpack-slip-seal-block')) {
      prepareSubpackSlipPdfSealCell(cell)
      return
    }
    if (/备注\s*[:：]/.test(cell.textContent || '')) {
      prepareSubpackSlipPdfRemarkCell(cell)
    }
  })

  root.querySelectorAll('tr').forEach((row) => {
    if (!row.querySelector('.subpack-slip-product-cell')) return
    row.removeAttribute('height')
    row.style.removeProperty('height')
    row.style.removeProperty('min-height')
  })

  prepareSubpackSlipPdfSignValues(root)
  prepareSubpackSlipPdfCheckboxes(root)

  // 亚像素 border 在 Windows DPI 下易变粗；截图前改为 1px 背景单线
  applyPdfStableTableCellBorders(root.querySelectorAll('.subpack-slip-product-cell'))
}

/** 备注、条款、印章行：统一 0.3px 全边框（兼容已保存模板，与物料网格衔接） */
function normalizeSubpackSlipProductTableFooter(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html

  let result = html

  result = result.replace(/<td([^>]*colspan="7"[^>]*)>(\s*)备注：/g, (_match, attrs, space) => {
    const patched = patchProductFooterCellAttrs(
      attrs,
      'subpack-slip-product-cell subpack-slip-remark-cell',
      PRODUCT_TABLE_CELL_LEFT
    )
    if (_match.includes('subpack-slip-remark-row-inner')) return _match
    return `<td${patched}>${space}${buildSubpackSlipRemarkRowHtml()}`
  })

  result = result.replace(
    /<td([^>]*colspan="4"[^>]*)>\s*(<div class="subpack-slip-terms-text"|\s*1\.本送货单)/g,
    (_match, attrs, contentStart) => {
      const patched = patchProductFooterCellAttrs(
        attrs,
        'subpack-slip-product-cell subpack-slip-terms-cell',
        PRODUCT_TERMS_CELL_LEFT
      )
      return `<td${patched}>\n              ${contentStart}`
    }
  )

  result = result.replace(
    /<td([^>]*colspan="3"[^>]*)>\s*<div class="subpack-slip-seal-block"/g,
    (_match, attrs) => {
      const patched = patchProductFooterCellAttrs(attrs, 'subpack-slip-product-cell', PRODUCT_TABLE_CELL_LEFT)
      return `<td${patched}>\n              <div class="subpack-slip-seal-block"`
    }
  )

  return result
}

/** 条款单元格行高随内容（兼容已保存模板） */
function normalizeSubpackSlipTermsCell(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html

  const patchTermsTd = (attrs: string) => {
    let nextAttrs = attrs
    if (nextAttrs.includes('class="')) {
      nextAttrs = nextAttrs.replace(/class="([^"]*)"/, (_, cls: string) =>
        cls.includes('subpack-slip-terms-cell') ? `class="${cls}"` : `class="${cls} subpack-slip-terms-cell"`
      )
    } else {
      nextAttrs = `${nextAttrs} class="subpack-slip-product-cell subpack-slip-terms-cell"`
    }
    if (nextAttrs.includes('style="')) {
      nextAttrs = nextAttrs.replace(/style="[^"]*"/, `style="${PRODUCT_TERMS_CELL_LEFT}"`)
    } else {
      nextAttrs = `${nextAttrs} style="${PRODUCT_TERMS_CELL_LEFT}"`
    }
    return nextAttrs
  }

  let result = html.replace(
    /<td colspan="4"([^>]*)>\s*<div class="subpack-slip-terms-text"/g,
    (match, attrs) => {
      if (attrs.includes('subpack-slip-terms-cell') && attrs.includes('border:0.3px solid #000')) return match
      return `<td colspan="4"${patchTermsTd(attrs)}>\n              <div class="subpack-slip-terms-text"`
    }
  )

  result = result.replace(
    /<div class="subpack-slip-seal-block" style="([^"]*)"/g,
    (match, style) => {
      if (style.includes('padding:0;') && !style.includes('min-height')) return match
      let nextStyle = style.replace(/min-height:\d+px;/g, '').replace(/padding:[^;]*;/g, '')
      nextStyle = `padding:0;${nextStyle}`
      return `<div class="subpack-slip-seal-block" style="${nextStyle}"`
    }
  )

  return result
}

/** 移除旧版送货条款行（兼容已保存模板） */
function normalizeSubpackSlipRemoveTermsRow(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html
  if (!html.includes('1.本送货单') && !html.includes('subpack-slip-terms-text')) return html

  let result = html.replace(
    /<td colspan="4"([^>]*class="[^"]*subpack-slip-terms-cell[^"]*"[^>]*)>[\s\S]*?<\/td>/g,
    `<td colspan="4" class="subpack-slip-product-cell" style="${PRODUCT_TABLE_CELL_LEFT}">&nbsp;</td>`
  )

  result = result.replace(
    /<td colspan="4"([^>]*)>\s*(<div class="subpack-slip-terms-text"[\s\S]*?<\/div>|1\.本送货单[\s\S]*?)<\/td>/g,
    `<td colspan="4" class="subpack-slip-product-cell" style="${PRODUCT_TABLE_CELL_LEFT}">&nbsp;</td>`
  )

  return result
}

/** 刷新已有间距行的 inline 样式（TinyMCE 保存后可能丢失） */
function refreshSubpackSlipGapBeforeProduct(html: string): string {
  return html.replace(
    /<tr class="subpack-slip-gap-before-product">[\s\S]*?<\/tr>/,
    `<tr class="subpack-slip-gap-before-product">\n            <td colspan="7" class="subpack-slip-gap-before-product-cell" style="${GAP_BEFORE_PRODUCT_CELL}">&nbsp;</td>\n          </tr>`
  )
}

/** 在收货联系方式行与物料表之间插入间距行（兼容已保存模板） */
function normalizeSubpackSlipGapBeforeProduct(html: string): string {
  if (!html.includes('subpack-slip-doc')) {
    return html
  }

  if (html.includes('subpack-slip-gap-before-product')) {
    return refreshSubpackSlipGapBeforeProduct(html)
  }

  const gapRow = `<tr class="subpack-slip-gap-before-product"><td colspan="7" class="subpack-slip-gap-before-product-cell" style="${GAP_BEFORE_PRODUCT_CELL}">&nbsp;</td></tr>\n          `

  const withComment = html.replace(
    /(<span class="subpack-slip-info-label"[^>]*>经(?:&nbsp;)?手人：<\/span>[\s\S]*?<\/tr>\s*)(<!--\s*中：产品明细表[\s\S]*?<tr[^>]*>\s*<th[^>]*>(?:序号|物料编号))/,
    `$1${gapRow}$2`
  )
  if (withComment !== html) return withComment

  const withHeader = html.replace(
    /(<span class="subpack-slip-info-label"[^>]*>经(?:&nbsp;)?手人：<\/span>[\s\S]*?<\/tr>\s*)(<tr[^>]*>\s*<th[^>]*>(?:序号|物料编号))/,
    `$1${gapRow}$2`
  )
  if (withHeader !== html) return withHeader

  return html.replace(
    /(下单人：[\s\S]*?<\/tr>\s*)(<!--\s*中：产品明细表[\s\S]*?<tr[^>]*>\s*<th[^>]*>(?:序号|物料编号)|<tr[^>]*>\s*<th[^>]*>(?:序号|物料编号))/,
    `$1${gapRow}$2`
  )
}

/** 刷新签字区上方间距行 inline 样式 */
function refreshSubpackSlipGapBeforeSign(html: string): string {
  return html.replace(
    /<tr class="subpack-slip-gap-before-sign">[\s\S]*?<\/tr>/,
    `<tr class="subpack-slip-gap-before-sign">\n            <td colspan="7" class="subpack-slip-gap-before-sign-cell" style="${GAP_BEFORE_SIGN_CELL}">&nbsp;</td>\n          </tr>`
  )
}

/** 在物料表与签字区之间插入间距行（兼容已保存模板） */
function normalizeSubpackSlipGapBeforeSign(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html

  if (html.includes('subpack-slip-gap-before-sign')) {
    return refreshSubpackSlipGapBeforeSign(html)
  }

  const gapRow = `<tr class="subpack-slip-gap-before-sign"><td colspan="7" class="subpack-slip-gap-before-sign-cell" style="${GAP_BEFORE_SIGN_CELL}">&nbsp;</td></tr>\n\n          `

  const withComment = html.replace(
    /(<\/tr>\s*)(<!--\s*下：签字区[\s\S]*?<tr[^>]*>\s*<td colspan="7"[^>]*>\s*(?:<div class="subpack-slip-sign-inner">\s*)?制单人：)/,
    `$1${gapRow}$2`
  )
  if (withComment !== html) return withComment

  const withLegacy = html.replace(
    /(<\/tr>\s*)(<!--\s*下：签字区[\s\S]*?<tr[^>]*>\s*<td colspan="7"[^>]*>\s*(?:<div class="subpack-slip-sign-inner">\s*)?仓库：)/,
    `$1${gapRow}$2`
  )
  if (withLegacy !== html) return withLegacy

  return html.replace(
    /(subpack-slip-remark-cell[\s\S]*?<\/tr>\s*)(<tr[^>]*>\s*<td colspan="7"[^>]*>\s*(?:<div class="subpack-slip-sign-inner">\s*)?(?:制单人：|仓库：))/,
    `$1${gapRow}$2`
  )
}

/** 签字区标签/下划线 baseline 对齐（兼容已保存模板） */
function normalizeSubpackSlipSignLabelMarkup(html: string): string {
  if (!html.includes('subpack-slip-sign-value')) return html

  let result = html.replace(
    /<span class="subpack-slip-sign-item">(制单人：|审核：|生产主管：|仓库：|客户签收：|司机\/送货人\(附车牌\)：)\s*(<span class="subpack-slip-sign-value")/g,
    '<span class="subpack-slip-sign-item"><span class="subpack-slip-sign-label">$1</span>$2'
  )

  result = result.replace(/<span class="subpack-slip-sign-value" style="([^"]*)"/g, (match, style) => {
    const nextStyle = style
      .replace(/display:inline-block;?/g, '')
      .replace(/padding:[^;]*;?/g, '')
      .replace(/vertical-align:[^;]*;?/g, '')
      .replace(/border:none !important;?/g, '')
      .replace(/border-bottom:[^;]*;?/g, '')
      .replace(/min-width:\s*[^;]*;?/g, '')
      .replace(/;\s*;/g, ';')
      .replace(/^;|;$/g, '')
      .trim()
    const minWidthStyle = `min-width:${SUBPACK_SLIP_SIGN_VALUE_MIN_WIDTH};`
    const mergedStyle = nextStyle ? `${nextStyle};${minWidthStyle}` : minWidthStyle
    return `<span class="subpack-slip-sign-value" style="${mergedStyle}"`
  })

  result = result.replace(
    /(<span class="subpack-slip-sign-label">制单人：<\/span>\s*<span class="subpack-slip-sign-value"[^>]*>)\s*(?:&nbsp;|\s)*<\/span>/g,
    '$1{{preparerUser}}&nbsp;</span>'
  )

  return result
}

/** 签字区 flex 布局（兼容已保存模板，避免打印预览溢出到右侧联次列） */
function normalizeSubpackSlipSignRow(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html
  if (
    !html.includes('制单人：') &&
    !html.includes('仓库：') &&
    !html.includes('客户签收：') &&
    !html.includes('司机/送货人')
  ) {
    return html
  }

  if (html.includes('制单人：') && html.includes('subpack-slip-sign-inner') && !html.includes('司机/送货人')) {
    return normalizeSubpackSlipSignLabelMarkup(html)
  }

  let result = html
  if (html.includes('仓库：') || html.includes('客户签收：') || html.includes('司机/送货人')) {
    result = result.replace(
      /<tr class="subpack-slip-sign-row"[\s\S]*?<\/tr>/,
      buildSubpackSlipSignRowHtml()
    )
    result = result.replace(
      /<tr>\s*<td colspan="7"[^>]*>[\s\S]*?(?:仓库：|制单人：)[\s\S]*?(?:司机\/送货人|生产主管)[\s\S]*?<\/td>\s*<\/tr>/,
      buildSubpackSlipSignRowHtml()
    )
  }

  result = result.replace(
    /<tr([^>]*)>\s*<td colspan="7"([^>]*)>([\s\S]*?(?:制单人：|仓库：)[\s\S]*?)<\/td>\s*<\/tr>/g,
    (match, trAttrs, tdAttrs, content) => {
      if (!content.includes('subpack-slip-sign-value') || content.includes('subpack-slip-sign-inner')) {
        return match
      }

      const wrappedContent = content
        .replace(/&nbsp;&nbsp;/g, '')
        .replace(
          /(制单人：|审核：|生产主管：|仓库：|客户签收：|司机\/送货人\(附车牌\)：)\s*(<span class="subpack-slip-sign-value"[\s\S]*?<\/span>)/g,
          '<span class="subpack-slip-sign-item"><span class="subpack-slip-sign-label">$1</span>$2</span>'
        )

      const trClassAttr = trAttrs.includes('class="')
        ? trAttrs.replace(/class="([^"]*)"/, (_, cls: string) =>
            cls.includes('subpack-slip-sign-row') ? `class="${cls}"` : `class="${cls} subpack-slip-sign-row"`
          )
        : `${trAttrs} class="subpack-slip-sign-row"`

      let nextTdAttrs = tdAttrs.replace(/white-space:nowrap;?/g, '').replace(/font-size:16px;?/g, 'font-size:14px;')
      if (nextTdAttrs.includes('class="')) {
        nextTdAttrs = nextTdAttrs.replace(/class="([^"]*)"/, (_, cls: string) =>
          cls.includes('subpack-slip-sign-row-cell') ? `class="${cls}"` : `class="${cls} subpack-slip-sign-row-cell"`
        )
      } else {
        nextTdAttrs = `${nextTdAttrs} class="subpack-slip-sign-row-cell"`
      }

      return `<tr${trClassAttr}>\n            <td colspan="7"${nextTdAttrs}>\n              <div class="subpack-slip-sign-inner">${wrappedContent.trim()}</div>\n            </td>\n          </tr>`
    }
  )

  result = result.replace(
    /<td(?![^>]*class="[^"]*subpack-slip-main-col)([^>]*style="[^"]*vertical-align:top;padding-right:6px)/g,
    '<td class="subpack-slip-main-col"$1'
  )

  return normalizeSubpackSlipSignLabelMarkup(result)
}

/** 统一单据左右 10px 间距、内容区宽度（兼容已保存模板） */
function normalizeSubpackSlipDocLayout(html: string): string {
  let result = html
    .replace(/padding:8px 12px 24px 4px;/g, `padding:${DOC_PADDING};`)
    .replace(/padding:8px 12px 24px;/g, `padding:${DOC_PADDING};`)
    .replace(/padding-left: 4px !important;/g, `padding: ${DOC_PADDING} !important;`)
    .replace(/left:0;top:50%/g, `left:${LOGO_LEFT}px;top:50%`)
    .replace(/left:20px;/g, `left:${LOGO_LEFT}px;`)
    .replace(/padding:4px 80px 0 120px;/g, 'padding:4px 60px 0 100px;')
    .replace(/padding:4px 72px 0 88px;/g, 'padding:4px 60px 0 100px;')
    .replace(/max-width:720px/g, `max-width:${SUBPACK_SLIP_DOC_MAX_WIDTH}`)
    .replace(/max-width:760px/g, `max-width:${SUBPACK_SLIP_DOC_MAX_WIDTH}`)
    .replace(/max-width:794px/g, `max-width:${SUBPACK_SLIP_DOC_MAX_WIDTH}`)
    .replace(/height:46px;/g, `height:${LOGO_HEIGHT}px;`)
    .replace(/min-height:72px;/g, 'min-height:48px;')
    .replace(/padding:4px 60px 0 68px;/g, 'padding:4px 60px 0 100px;')
    .replace(/padding:4px 60px 0 52px;/g, 'padding:4px 60px 0 100px;')
    .replace(/padding:1px 6px;/g, `padding:${TABLE_ROW_PADDING};`)
    .replace(/padding:4px 6px;/g, `padding:${TABLE_ROW_PADDING};`)
    .replace(/padding-bottom:5px;/g, '')
    .replace(/padding-bottom:10px;/g, '')
    .replace(/padding:18px 6px 8px;/g, `padding:${TABLE_ROW_PADDING};`)
    .replace(/margin-top:6px;/g, 'margin-top:2px;')
    .replace(/line-height:1\.6;/g, 'line-height:1.35;')
    .replace(/line-height:1\.9;/g, 'line-height:1.35;')
    .replace(/min-height:88px;/g, 'min-height:0;')
    .replace(/min-height:36px;/g, '')
    .replace(/min-height:76px;/g, 'min-height:0;')
    .replace(/min-height:120px;/g, 'min-height:0;')
    .replace(/top:4px !important;/g, `top:${SUBPACK_SLIP_SEAL_TOP}px !important;`)
    .replace(/top:4px;/g, `top:${SUBPACK_SLIP_SEAL_TOP}px;`)
    .replace(/>日期：</g, '>日&nbsp;期：<')
    .replace(/border-bottom:2px solid #000 !important;/g, `border-bottom:${INFO_UNDERLINE} !important;`)
    .replace(/border-bottom:1px solid #000 !important;/g, `border-bottom:${INFO_UNDERLINE} !important;`)
    .replace(/border:2px solid #000 !important;/g, `border:${PRODUCT_GRID_BORDER} !important;`)
    .replace(/border:1px solid #000 !important;/g, `border:${PRODUCT_GRID_BORDER} !important;`)
    .replace(
      /display:inline-block;(?:min-width:\d+px;)?padding:0 2px 1px;vertical-align:bottom;border:none !important;/g,
      ''
    )
    .replace(
      /display:inline-block;padding:0 2px 2px;vertical-align:bottom;border:none !important;border-bottom:1px solid #000 !important;/g,
      ''
    )
    .replace(
      /(制单人：|审核：|生产主管：|仓库：|客户签收：|司机\/送货人\(附车牌\)：)<span(?![^>]*class="subpack-slip-sign-value") style="/g,
      '$1<span class="subpack-slip-sign-value" style="'
    )
    .replace(
      /(<span class="subpack-slip-sign-value" style="[^"]*)border-bottom:2px solid #000 !important;/g,
      `$1border-bottom:${SIGN_UNDERLINE} !important;`
    )
    .replace(/class="subpack-slip-info-before-product"/g, '')
    .replace(/padding-bottom:12px;/g, '')
    .replace(/padding-bottom:24px;/g, '')

  if (result.includes('subpack-slip-doc') && !result.includes('max-width:')) {
    result = result.replace(
      /(<div class="subpack-slip-doc" style=")([^"]*)"/,
      `$1$2;${DOC_WRAP_EXTRA}"`
    )
  }

  if (result.includes('subpack-slip-doc')) {
    result = result.replace(/<style type="text\/css">[\s\S]*?<\/style>/, SUBPACK_SLIP_STYLE_BLOCK)
    result = normalizeSubpackSlipSignLabelMarkup(result)
    result = normalizeSubpackSlipProductGridCell(result)
    result = normalizeSubpackSlipProductTableFooter(result)
    result = normalizeSubpackSlipSlipNoRow(result)
  }

  return result
}

/** 基本信息字段与标题（兼容从送(提)货单复制的旧模板） */
function normalizeSubpackSlipBasicInfoFields(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html

  let result = html
  result = result.replace(/送&nbsp;\(提\)&nbsp;货&nbsp;单/g, '分&nbsp;装&nbsp;单')
  result = result.replace(/送\(提\)货单/g, '分装单')
  result = result.replace(/收货单位：/g, '下单日期：')
  result = result.replace(/单据编号：/g, '交货日期：')
  result = result.replace(/收货联系方式：/g, '下单人：')
  result = result.replace(/日&nbsp;期：/g, '经手人：')
  result = result.replace(/>日期：</g, '>经手人：<')
  result = result.replace(/\{\{receivingUnit\}\}/g, '{{orderDate}}')
  result = result.replace(/\{\{planNo\}\}/g, '{{deliveryDate}}')
  result = result.replace(/\{\{receiveContact\}\}/g, '{{orderUser}}')
  result = result.replace(/\{\{planDateChinese\}\}/g, '{{handlerName}}')
  result = result.replace(/\{\{driverInfo\}\}/g, '{{handlerName}}')

  result = result.replace(
    /<div class="subpack-slip-info-row subpack-slip-type-check-wrap"[\s\S]*?<\/div>\s*/g,
    ''
  )
  result = result.replace(/<div class="subpack-slip-type-check-row"[\s\S]*?<\/div>\s*/g, '')

  return result
}

/** 物料表头（兼容旧版 物料编号/实收数量 表头） */
function normalizeSubpackSlipProductHeader(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html
  if (html.includes('>序号<') && html.includes('>是否完成<')) return html

  const headerHtml = buildSubpackSlipProductHeaderRowHtml()
  const withClass = html.replace(/<tr class="subpack-slip-product-header"[\s\S]*?<\/tr>/, headerHtml)
  if (withClass !== html) return withClass

  return html.replace(
    /<tr>\s*<th[^>]*>物料编号<\/th>[\s\S]*?<th[^>]*>实收数量<\/th>\s*<\/tr>/,
    headerHtml
  )
}

/** 备注行 + 桶选项多选框（兼容旧版纯文本备注行） */
function normalizeSubpackSlipRemarkRow(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html

  if (html.includes('subpack-slip-remark-row-inner')) {
    let result = html
    // 旧版：备注正文与补充输入分开，升级为同一条连续下划线
    if (!result.includes('subpack-slip-remark-underline-group')) {
      const extractRemark = (raw: string) =>
        String(raw || '')
          .replace(/<[^>]+>/g, '')
          .replace(/备注：/g, '')
          .replace(/&nbsp;/g, '')
          .trim() || '{{remark}}'

      result = result.replace(
        /<div class="subpack-slip-remark-row-inner">([\s\S]*?)<div class="subpack-slip-bucket-check-row"/,
        (_m, middle: string) => {
          const valueMatch = String(middle).match(
            /class="subpack-slip-remark-value"[^>]*>([\s\S]*?)<\/span>/
          )
          const plainMatch = String(middle).match(/备注：([^<]*)/)
          const content = extractRemark(valueMatch?.[1] ?? plainMatch?.[1] ?? '{{remark}}')
          const extraMatch = String(middle).match(
            /<input type="text" class="subpack-slip-remark-extra-input"([^>]*)\/?>/
          )
          const extraHtml = extraMatch
            ? `<span class="subpack-slip-remark-extra-wrap" contenteditable="false"><input type="text" class="subpack-slip-remark-extra-input"${extraMatch[1]} /></span>`
            : buildSubpackSlipRemarkExtraInputHtml()
          return `<div class="subpack-slip-remark-row-inner">
    <span class="subpack-slip-remark-label">备注：</span>
    <span class="subpack-slip-remark-underline-group"><span class="subpack-slip-remark-value">${content}&nbsp;</span>${extraHtml}</span>
    <div class="subpack-slip-bucket-check-row"`
        }
      )
    }
    if (!result.includes('subpack-slip-remark-extra-input')) {
      result = result.replace(
        /(<div class="subpack-slip-remark-row-inner">[\s\S]*?)(\s*<div class="subpack-slip-bucket-check-row")/,
        `$1\n    ${buildSubpackSlipRemarkUnderlineGroupHtml()}$2`
      )
    } else if (!result.includes('subpack-slip-remark-extra-wrap')) {
      result = result.replace(
        /<input type="text" class="subpack-slip-remark-extra-input"([^>]*)\/?>/g,
        `<span class="subpack-slip-remark-extra-wrap" contenteditable="false"><input type="text" class="subpack-slip-remark-extra-input"$1 /></span>`
      )
    }
    return ensureSubpackSlipInteractiveMarkup(result)
  }

  return html.replace(
    /(<td[^>]*colspan="7"[^>]*>\s*)备注：(\{\{remark\}\}|[^<]*?)(\s*<\/td>)/,
    `$1${buildSubpackSlipRemarkRowHtml()}$3`
  )
}

/** 移除右侧联次列，并解包旧版 outer-table 布局 */
function normalizeSubpackSlipRemoveSideLabels(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html

  let result = html
  result = result.replace(/<table class="subpack-slip-side-labels"[\s\S]*?<\/table>/g, '')
  result = result.replace(/\{\{sideLabels\}\}/g, '')
  result = result.replace(
    /<!--\s*最右侧纵向联次\s*-->\s*<td class="subpack-slip-side-labels-col"[\s\S]*?<\/td>/g,
    ''
  )
  result = result.replace(/<td class="subpack-slip-side-labels-col"[^>]*>[\s\S]*?<\/td>/g, '')

  if (result.includes('subpack-slip-outer-table') && result.includes('subpack-slip-main-col')) {
    result = result.replace(
      /<table class="subpack-slip-outer-table" style="[^"]*">\s*<tr>\s*<td class="subpack-slip-main-col" style="[^"]*">/,
      ''
    )
    result = result.replace(/<\/td>\s*<\/tr>\s*<\/table>(?=\s*<\/div>)/, '')
  }

  return result
}

/** 基本信息合并为一行四列（兼容旧版两行布局） */
function normalizeSubpackSlipBasicInfoOneRow(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html
  if (html.includes('subpack-slip-basic-info-row')) return html

  const basicInfoRow = buildSubpackSlipBasicInfoRowHtml()
  const replaced = html.replace(
    /<!--\s*上：基本信息两行\s*-->\s*<tr>[\s\S]*?<\/tr>\s*<tr>[\s\S]*?<\/tr>/,
    `<!-- 基本信息一行 -->\n    ${basicInfoRow}`
  )
  if (replaced !== html) return replaced

  const fallback = html.replace(
    /<tr>\s*<td colspan="4"[^>]*>\s*<div class="subpack-slip-info-row"[^>]*>\s*<span class="subpack-slip-info-label"[^>]*>下单日期：[\s\S]*?<\/tr>\s*<tr>\s*<td colspan="4"[^>]*>\s*<div class="subpack-slip-info-row"[^>]*>\s*<span class="subpack-slip-info-label"[^>]*>下单人：[\s\S]*?<\/tr>/,
    basicInfoRow
  )
  return fallback
}

/** 分装单号与经手人标签右缘对齐（兼容旧版标题区居中布局） */
function normalizeSubpackSlipSlipNoRow(html: string): string {
  if (!html.includes('subpack-slip-doc')) return html

  let result = html
  result = result.replace(/<div class="subpack-slip-info-row subpack-slip-slip-no-wrap"[\s\S]*?<\/div>\s*/g, '')
  result = result.replace(/<span class="subpack-slip-info-label"[^>]*>分装单号：<\/span>\s*/g, '')

  result = result.replace(
    /<div class="subpack-slip-slip-no-display"[^>]*>([\s\S]*?)<\/div>/g,
    '<span class="subpack-slip-slip-no-display">$1</span>'
  )

  if (result.includes('subpack-slip-title-section') && result.includes('subpack-slip-slip-no-display')) {
    result = result.replace(
      /\s*<span class="subpack-slip-slip-no-display"[^>]*>[\s\S]*?<\/span>\s*(?=<\/div>\s*<\/div>\s*<table class="subpack-slip-layout-table")/,
      '\n'
    )
    result = result.replace(
      /<div class="subpack-slip-slip-no-display"[^>]*>[\s\S]*?<\/div>\s*(?=<\/div>\s*<\/div>\s*<table class="subpack-slip-layout-table")/,
      ''
    )
  }

  if (!result.includes('subpack-slip-slip-no-row')) {
    result = result.replace(
      /(<table class="subpack-slip-layout-table"[\s\S]*?<colgroup>[\s\S]*?<\/colgroup>\s*)/,
      `$1\n    ${buildSubpackSlipSlipNoRowHtml()}\n\n    `
    )
  }

  if (result.includes('subpack-slip-slip-no-row') && !result.includes('subpack-slip-slip-no-anchor')) {
  result = result.replace(
    /<tr class="subpack-slip-slip-no-row"[\s\S]*?<\/tr>\s*/,
    `${buildSubpackSlipSlipNoRowHtml()}\n`
  )
  }

  return ensureSubpackSlipInteractiveMarkup(result)
}

const SUBPACK_SLIP_CHECK_DELEGATE_ATTR = 'data-subpack-slip-check-delegate'
const SUBPACK_SLIP_REMARK_EXTRA_BOUND_ATTR = 'data-subpack-slip-remark-extra-bound'

function syncSubpackSlipRemarkExtraInputValue(input: HTMLInputElement): void {
  input.setAttribute('value', input.value)
}

/** 富文本编辑器内：允许备注补充输入框获得焦点并输入（TinyMCE 默认会拦截） */
export function bindSubpackSlipRemarkExtraInputInteraction(
  root: HTMLElement | null | undefined,
  onChange?: () => void
): void {
  if (!root) return

  root.querySelectorAll('input.subpack-slip-remark-extra-input').forEach((node) => {
    const input = node as HTMLInputElement
    const wrap = input.closest('.subpack-slip-remark-extra-wrap') as HTMLElement | null
    if (wrap) {
      wrap.setAttribute('contenteditable', 'false')
    }
    input.removeAttribute('readonly')
    input.removeAttribute('disabled')
    syncSubpackSlipRemarkExtraInputValue(input)

    if (input.getAttribute(SUBPACK_SLIP_REMARK_EXTRA_BOUND_ATTR) === '1') return
    input.setAttribute(SUBPACK_SLIP_REMARK_EXTRA_BOUND_ATTR, '1')

    const stopBubble = (e: Event) => {
      e.stopPropagation()
    }

    input.addEventListener('mousedown', stopBubble, true)
    input.addEventListener('click', stopBubble, true)
    input.addEventListener('keydown', stopBubble, true)
    input.addEventListener('keyup', stopBubble, true)
    input.addEventListener('keypress', stopBubble, true)
    input.addEventListener('focus', stopBubble, true)
    input.addEventListener('input', () => {
      syncSubpackSlipRemarkExtraInputValue(input)
      onChange?.()
    })
    input.addEventListener('blur', () => {
      syncSubpackSlipRemarkExtraInputValue(input)
      onChange?.()
    })
  })
}

function syncSubpackSlipCheckboxInput(input: HTMLInputElement): void {
  if (input.checked) {
    input.setAttribute('checked', 'checked')
  } else {
    input.removeAttribute('checked')
  }
}

/** 富文本编辑器内：绑定多选框点击（TinyMCE 默认可编辑区会拦截原生 checkbox） */
export function bindSubpackSlipCheckboxInteraction(
  root: HTMLElement | null | undefined,
  onChange?: () => void
): void {
  if (!root) return

  root.querySelectorAll('label.subpack-slip-check-item').forEach((node) => {
    const label = node as HTMLElement
    label.setAttribute('contenteditable', 'false')
    const input = label.querySelector('input.subpack-slip-check-input') as HTMLInputElement | null
    if (input) syncSubpackSlipCheckboxInput(input)
  })

  if (root.getAttribute(SUBPACK_SLIP_CHECK_DELEGATE_ATTR) === '1') return
  root.setAttribute(SUBPACK_SLIP_CHECK_DELEGATE_ATTR, '1')

  root.addEventListener(
    'mousedown',
    (event) => {
      if (root.isContentEditable === false) return
      const target = event.target as HTMLElement | null
      if (!target) return
      const label = target.closest('label.subpack-slip-check-item')
      if (!label || !root.contains(label)) return
      const input = label.querySelector('input.subpack-slip-check-input') as HTMLInputElement | null
      if (!input) return

      event.preventDefault()
      event.stopPropagation()
      input.checked = !input.checked
      syncSubpackSlipCheckboxInput(input)
      onChange?.()
    },
    true
  )
}

/** 分装单 TinyMCE：初始化与内容变更时绑定多选项与备注输入框交互 */
export function setupSubpackSlipEditorCheckboxes(editor: {
  getBody: () => HTMLElement
  on: (event: string, callback: (...args: unknown[]) => void) => void
  fire: (event: string) => void
}): void {
  const bind = () => {
    const body = editor.getBody()
    bindSubpackSlipCheckboxInteraction(body, () => editor.fire('change'))
    bindSubpackSlipRemarkExtraInputInteraction(body, () => editor.fire('change'))
  }

  const syncRemarkExtraValues = () => {
    editor.getBody().querySelectorAll('input.subpack-slip-remark-extra-input').forEach((node) => {
      syncSubpackSlipRemarkExtraInputValue(node as HTMLInputElement)
    })
  }

  editor.on('init', () => {
    window.setTimeout(bind, 0)
  })
  editor.on('SetContent', () => {
    window.setTimeout(bind, 0)
  })
  editor.on('focus', () => {
    window.setTimeout(bind, 0)
  })
  editor.on('BeforeGetContent', () => {
    syncRemarkExtraValues()
  })
}

/** @deprecated 兼容旧引用，请使用 setupSubpackSlipEditorCheckboxes */
export const setupSubpackSlipEditorTypeCheckboxes = setupSubpackSlipEditorCheckboxes

/** @deprecated 兼容旧引用，请使用 normalizeSubpackSlipRemoveSideLabels */
function normalizeSubpackSlipSideLabelsPlaceholder(html: string): string {
  return normalizeSubpackSlipRemoveSideLabels(html)
}

/** 将占位符替换为计划最新数据 */
export function replaceSubpackSlipPlaceholders(
  htmlContent: string,
  plan: Plan,
  ctx?: SubpackSlipRenderContext
): string {
  if (!htmlContent || !plan) return htmlContent

  const orderDate = ctx?.orderDate || formatDateIso()
  const orderUser = ctx?.orderUser || ''
  const preparerUser = ctx?.preparerUser || orderUser

  const replacements: Record<string, string> = {
    '{{companyName}}': SUBPACK_SLIP_DEFAULTS.companyName,
    '{{subpackSlipNo}}': ctx?.subpackSlipNo || '',
    '{{orderDate}}': orderDate,
    '{{deliveryDate}}': '',
    '{{orderUser}}': orderUser,
    '{{preparerUser}}': preparerUser,
    '{{handlerName}}': '',
    '{{receivingUnit}}': orderDate,
    '{{planNo}}': '',
    '{{receiveContact}}': orderUser,
    '{{driverInfo}}': '',
    '{{planDateChinese}}': '',
    '{{productTable}}': buildProductRows(plan.products, ctx),
    '{{remark}}': plan.remark || '',
    '{{remarkExtra}}': '',
    '{{companyAddress}}': '',
    '{{companyPhone}}': '',
    '{{contactPhone}}': '',
    '{{companySeal}}': '',
    '{{sideLabels}}': ''
  }

  let result = normalizeSubpackSlipDocLayout(
    normalizeSubpackSlipRemoveAddressAndSeal(
      normalizeSubpackSlipSignRow(
        normalizeSubpackSlipTermsCell(
          normalizeSubpackSlipRemoveTermsRow(
            normalizeSubpackSlipGapBeforeSign(
              normalizeSubpackSlipProductTableFooter(
                normalizeSubpackSlipRemarkRow(
                  normalizeSubpackSlipProductGridCell(
                    normalizeSubpackSlipProductHeader(
                      normalizeSubpackSlipGapBeforeProduct(
                        normalizeSubpackSlipSlipNoRow(
                          normalizeSubpackSlipBasicInfoOneRow(
                            normalizeSubpackSlipBasicInfoFields(
                              normalizeSubpackSlipRemoveSideLabels(htmlContent)
                            )
                          )
                        )
                      )
                    )
                  )
                )
              )
            )
          )
        )
      )
    )
  )
  for (const [placeholder, value] of Object.entries(replacements)) {
    result = result.split(placeholder).join(value)
  }

  if (ctx?.subpackSlipNo) {
    result = result.replace(
      /(<span class="subpack-slip-slip-no-display"[^>]*>)[\s\S]*?(&nbsp;<\/span>)/g,
      `$1${ctx.subpackSlipNo}$2`
    )
  }

  if (preparerUser) {
    result = result.replace(
      /(<span class="subpack-slip-sign-label">制单人：<\/span>\s*<span class="subpack-slip-sign-value"[^>]*>)[\s\S]*?(<\/span>)/g,
      `$1${preparerUser}$2`
    )
  }

  return result
}

/** 保存模板前：将动态字段还原为占位符 */
export function restoreSubpackSlipPlaceholders(template: string, plan: Plan): string {
  let result = template

  const dynamicReplacements: Record<string, string> = {
    '{{companyName}}': SUBPACK_SLIP_DEFAULTS.companyName,
    '{{orderDate}}': formatDateIso(),
    '{{remark}}': plan.remark || '',
    '{{receivingUnit}}': formatDateIso(),
    '{{planDateChinese}}': formatPlanDateChinese(plan.planDate)
  }

  for (const [placeholder, currentValue] of Object.entries(dynamicReplacements)) {
    if (!currentValue) continue
    const escaped = currentValue.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
    result = result.replace(new RegExp(escaped, 'g'), placeholder)
  }

  result = result.replace(/NO:SXFZ\d{8}-\d{3}/g, '{{subpackSlipNo}}')
  result = result.replace(/SXFZ\d{8}-\d{3}/g, '{{subpackSlipNo}}')
  result = result.replace(/SXFZ-\d{4}-\d{2}-\d{2}-\d{3}/g, '{{subpackSlipNo}}')
  result = result.replace(/NO:SXFZ-\d{4}-\d{2}-\d{2}-\d{3}/g, '{{subpackSlipNo}}')

  result = result.replace(
    /(<span class="subpack-slip-slip-no-display"[^>]*>)[^<]*(?=&nbsp;<\/span>)/,
    '$1{{subpackSlipNo}}'
  )
  result = result.replace(
    /(<div class="subpack-slip-slip-no-display"[^>]*>)[^<]*(?=&nbsp;<\/div>)/,
    '$1{{subpackSlipNo}}'
  )
  result = result.replace(
    /(<span class="subpack-slip-slip-no-value[^"]*"[^>]*>)[^<]*(?=&nbsp;<\/span>)/,
    '$1{{subpackSlipNo}}'
  )

  result = result.replace(
    /(<span class="subpack-slip-info-label"[^>]*>下单日期：<\/span>\s*<span class="subpack-slip-info-value-left"[^>]*>)[^<]*(?=&nbsp;<\/span>)/,
    '$1{{orderDate}}'
  )
  result = result.replace(
    /(<span class="subpack-slip-info-label"[^>]*>下单人：<\/span>\s*<span class="subpack-slip-info-value-left"[^>]*>)[^<]*(?=&nbsp;<\/span>)/,
    '$1{{orderUser}}'
  )
  result = result.replace(
    /(<span class="subpack-slip-info-label"[^>]*>交货日期：<\/span>\s*<span class="subpack-slip-info-value-center"[^>]*>)[^<]*(?=&nbsp;<\/span>)/,
    '$1{{deliveryDate}}'
  )
  result = result.replace(
    /(<span class="subpack-slip-info-label"[^>]*>经手人：<\/span>\s*<span class="subpack-slip-info-value-center"[^>]*>)[^<]*(?=&nbsp;<\/span>)/,
    '$1{{handlerName}}'
  )
  result = result.replace(
    /(<span class="subpack-slip-sign-label">制单人：<\/span>\s*<span class="subpack-slip-sign-value"[^>]*>)[^<]*(?=<\/span>)/,
    '$1{{preparerUser}}'
  )

  // 产品明细行还原为占位符（表头「是否完成」与「备注」行之间）
  result = result.replace(
    /(<th[^>]*>是否完成<\/th>\s*<\/tr>\s*)([\s\S]*?)(\s*<tr>\s*<td colspan="7"[^>]*>\s*(?:<div class="subpack-slip-remark-row-inner">|备注：))/,
    '$1{{productTable}}$3'
  )
  result = result.replace(
    /(<th[^>]*>实收数量<\/th>\s*<\/tr>\s*)([\s\S]*?)(\s*<tr>\s*<td colspan="7"[^>]*>\s*(?:<div class="subpack-slip-remark-row-inner">|备注：))/,
    '$1{{productTable}}$3'
  )

  // 移除右侧联次、印章与地址/电话行
  result = normalizeSubpackSlipRemoveSideLabels(result)
  result = normalizeSubpackSlipRemoveAddressAndSeal(result)

  return result
}