/**
 * 加油登记发微信群纯文本（与 web-admin buildFuelRegisterCopyText 对齐）
 */

const CATEGORY_LABELS = {
  bailian: '百链',
  gas_station: '加油站',
  shanxia_factory: '山峡'
}

export function countPlAttachmentUrls(raw) {
  return String(raw || '')
    .split(',')
    .map((s) => s.trim())
    .filter(Boolean).length
}

export function getPlFuelCategoryLabel(category) {
  return CATEGORY_LABELS[category] || category || '—'
}

export function buildFuelRegisterCopyText(row = {}) {
  const dash = '—'
  const seq =
    row.seqNo != null && Number.isFinite(Number(row.seqNo)) ? String(row.seqNo) : dash
  const liters =
    row.fuelLiters != null && Number.isFinite(Number(row.fuelLiters))
      ? Number(row.fuelLiters).toFixed(2)
      : dash
  let tons = dash
  if (row.fuelTons != null && Number.isFinite(Number(row.fuelTons))) {
    tons = Number(row.fuelTons).toFixed(3)
  } else if (row.fuelLiters != null && Number.isFinite(Number(row.fuelLiters))) {
    tons = (Number(row.fuelLiters) / 1176).toFixed(3)
  }
  const odometer =
    row.odometerKm != null && Number.isFinite(Number(row.odometerKm))
      ? `${Number(row.odometerKm).toFixed(1)} KM`
      : dash
  const plate = String(row.licensePlate || '').trim() || dash
  return [
    `【${plate} - 加油登记】`,
    `序号：${seq}`,
    `登记单号：${row.registerNo || dash}`,
    `加油类别：${getPlFuelCategoryLabel(row.fuelCategory)}`,
    `日期：${row.registerDate || dash}`,
    `登记人：${row.registrantName || dash}`,
    `车牌号：${plate}`,
    `期初公里数：${odometer}`,
    `加油升数：${liters === dash ? dash : `${liters} L`}`,
    `加油/吨：${tons}`,
    `附件个数：${countPlAttachmentUrls(row.attachmentUrls)}`,
    `备注：${String(row.remark || '').trim() || dash}`
  ].join('\n')
}

/** 复制到剪贴板；成功返回 true */
export function copyFuelRegisterToClipboard(row) {
  const text = buildFuelRegisterCopyText(row)
  if (!text) {
    uni.showToast({ title: '暂无可复制内容', icon: 'none' })
    return Promise.resolve(false)
  }
  return new Promise((resolve) => {
    uni.setClipboardData({
      data: text,
      success: () => {
        uni.showToast({ title: '已复制', icon: 'success' })
        resolve(true)
      },
      fail: () => {
        uni.showToast({ title: '复制失败', icon: 'none' })
        resolve(false)
      }
    })
  })
}