/** 运输计划 / 运费状态展示 */

export function dash(val) {
  if (val == null || val === '') return '—'
  return String(val)
}

export function formatMoney(val) {
  if (val == null || val === '') return '—'
  const n = Number(val)
  if (Number.isNaN(n)) return String(val)
  return `¥${n.toLocaleString('zh-CN', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`
}

export function formatQty(val, unit = '') {
  if (val == null || val === '') return '—'
  const n = Number(val)
  const s = Number.isNaN(n) ? String(val) : String(n)
  return unit ? `${s} ${unit}` : s
}

export function planTypeLabel(planType) {
  const map = { direct: '直销单', inbound: '入库单', outbound: '出库单' }
  return map[planType] || planType || '—'
}

export function followStatusLabel(status) {
  const map = {
    draft: { text: '草稿', tag: 'muted' },
    processing: { text: '进行中', tag: 'warning' },
    completed: { text: '已完成', tag: 'success' },
    cancelled: { text: '已作废', tag: 'danger' }
  }
  return map[status] || { text: status || '—', tag: 'muted' }
}

export function transportStatusLabel(status) {
  const map = {
    pending: { text: '待安排', tag: 'warning' },
    arranged: { text: '已安排', tag: 'info' }
  }
  return map[status] || { text: status || '—', tag: 'muted' }
}

export function archiveStatusLabel(status) {
  const map = {
    unarchived: { text: '未归档', tag: 'info' },
    archived: { text: '已归档', tag: 'success' }
  }
  return map[status] || { text: status || '—', tag: 'muted' }
}

/**
 * Demo 列表 Tab 语义：待发运 / 在途 / 已完成
 * - 待发运：transportStatus=pending 且未作废
 * - 在途：已安排且跟进未完成
 * - 已完成：followStatus=completed
 */
export function planListPhase(row) {
  if (!row) return { text: '—', tag: 'muted', key: 'unknown' }
  if (row.followStatus === 'cancelled') return { text: '已作废', tag: 'danger', key: 'cancelled' }
  if (row.followStatus === 'completed') return { text: '已完成', tag: 'success', key: 'done' }
  if (row.transportStatus === 'pending') return { text: '待发运', tag: 'warning', key: 'pending' }
  if (row.transportStatus === 'arranged') return { text: '在途', tag: 'info', key: 'transit' }
  return followStatusLabel(row.followStatus)
}

export function settlementStatusLabel(status) {
  const map = {
    pending: { text: '草稿', tag: 'muted' },
    rejected: { text: '已驳回', tag: 'danger' },
    approving: { text: '审批中', tag: 'warning' },
    approved: { text: '待发放', tag: 'info' },
    confirmed: { text: '已发放', tag: 'success' },
    cancelled: { text: '已作废', tag: 'danger' }
  }
  return map[status] || { text: status || '—', tag: 'muted' }
}

export function isEditableDraftSettlement(status) {
  return status === 'pending' || status === 'rejected'
}

/** 计划卡片副标题：品名 · 数量 · 路线 */
export function planCardSub(row) {
  if (!row) return '—'
  const products = Array.isArray(row.products) ? row.products : []
  const names = products
    .map((p) => p.productName || p.product_name)
    .filter(Boolean)
    .slice(0, 2)
  const namePart = names.length ? names.join('、') : planTypeLabel(row.planType)
  const qty = products.reduce((sum, p) => sum + (Number(p.quantity) || Number(p.actualQty) || 0), 0)
  const unit = products[0]?.unit || ''
  const qtyPart = qty > 0 ? formatQty(qty, unit) : ''
  const from = row.pickupAddress || row.supplierName || ''
  const to = row.destinationAddress || row.customerName || row.destinationName || ''
  const route = from && to ? `${shortAddr(from)} → ${shortAddr(to)}` : dash(row.customerName || row.destinationName)
  return [namePart, qtyPart, route].filter(Boolean).join(' · ')
}

function shortAddr(s) {
  const t = String(s || '')
  return t.length > 10 ? `${t.slice(0, 10)}…` : t
}

export function certReadyLabel(ready) {
  return ready ? { text: '证书齐备', tag: 'success' } : { text: '待齐备', tag: 'warning' }
}

export function hasPurchaseCert(product) {
  const url = product?.purchaseCertUrl || product?.purchase_cert_url
  return !!(url && String(url).trim())
}