import type { PlanDelivery, PlanLoad, PlanProduct, PlanStopProduct } from '@/api/pl'
import {
  appendAmapNavLine,
  buildAmapNavigationUrlWithFallback
} from '@/utils/amap/navigation'
import { formatDate } from '@/utils/format'
import { formatPlanProductListText } from '@/utils/pl-display'

export type DriverSummaryStopBlock = {
  label: string
  customerName?: string
  stopTime?: string
  address?: string
  lng?: number | null
  lat?: number | null
  contact?: string
  notes?: string
  productLines: string[]
}

type DriverSummaryPlan = {
  planNo?: string
  licensePlate?: string
  pickupTime?: string
  planDate?: string
  personnelSummary?: string
  pickupAddress?: string
  pickupLng?: number | null
  pickupLat?: number | null
  pickupContact?: string
  pickupNotes?: string
  destinationAddress?: string
  destinationName?: string
  destinationLng?: number | null
  destinationLat?: number | null
  deliveryContact?: string
  destinationNotes?: string
  startPoint?: string
  endPoint?: string
  load?: PlanLoad | null
  deliveries?: PlanDelivery[] | null
}

function formatDriverStopProductLine(
  product: PlanStopProduct,
  getUnitLabel?: (unit: string) => string
) {
  return formatPlanProductListText(
    {
      productName: product.productName,
      model: product.model,
      packageSpec: product.packageSpec,
      unit: product.unit,
      quantity: product.planQty
    },
    getUnitLabel,
    { usePlannedQuantity: true }
  )
}

function formatPlanLevelProductLines(
  products: PlanProduct[],
  getUnitLabel?: (unit: string) => string
) {
  return products
    .map((product) => formatPlanProductListText(product, getUnitLabel, { usePlannedQuantity: true }))
    .filter(Boolean)
}

function appendDriverStopBlockLines(lines: string[], stop: DriverSummaryStopBlock) {
  lines.push(`【${stop.label} · ${stop.customerName || '—'}】`)
  if (stop.stopTime) {
    lines.push(`时间：${stop.stopTime}`)
  }
  if (stop.address) {
    lines.push(`地址：${stop.address}`)
  }
  appendAmapNavLine(
    lines,
    '导航',
    buildAmapNavigationUrlWithFallback({
      lng: stop.lng,
      lat: stop.lat,
      address: stop.address,
      name: stop.label
    })
  )
  if (stop.contact) {
    lines.push(`联系方式：${stop.contact}`)
  }
  if (stop.notes) {
    lines.push(`注意事项：${stop.notes}`)
  }
  if (stop.productLines.length) {
    stop.productLines.forEach((line) => lines.push(`产品：${line}`))
  } else {
    lines.push('产品：—')
  }
}

export function buildDriverStopBlocksFromPlan(
  plan?: DriverSummaryPlan | null,
  getUnitLabel?: (unit: string) => string
): DriverSummaryStopBlock[] {
  if (!plan) return []
  const blocks: DriverSummaryStopBlock[] = []
  const load = plan.load
  if (load) {
    blocks.push({
      label: '装货',
      customerName: load.customerName || undefined,
      stopTime: formatDate(load.loadTime) || undefined,
      address: load.address || undefined,
      lng: load.lng,
      lat: load.lat,
      contact: load.contact || undefined,
      notes: load.notes || undefined,
      productLines: (load.products || []).map((product) =>
        formatDriverStopProductLine(product, getUnitLabel)
      )
    })
  }
  for (const delivery of plan.deliveries || []) {
    const seq = delivery.seq != null ? Number(delivery.seq) : 0
    blocks.push({
      label: seq > 0 ? `送货 #${seq}` : '送货',
      customerName: delivery.customerName || undefined,
      stopTime: formatDate(delivery.deliveryTime) || undefined,
      address: delivery.address || undefined,
      lng: delivery.lng,
      lat: delivery.lat,
      contact: delivery.contact || undefined,
      notes: delivery.notes || undefined,
      productLines: (delivery.products || []).map((product) =>
        formatDriverStopProductLine(product, getUnitLabel)
      )
    })
  }
  return blocks
}

function buildLegacyDriverStopBlocks(
  plan: DriverSummaryPlan,
  overrides: {
    pickupAddress?: string
    pickupLng?: number | null
    pickupLat?: number | null
    pickupContact?: string
    pickupNotes?: string
    destinationAddress?: string
    destinationLng?: number | null
    destinationLat?: number | null
    deliveryContact?: string
    destinationNotes?: string
    startPoint?: string
    endPoint?: string
  },
  productLines: string[]
): DriverSummaryStopBlock[] {
  const pickupAddress =
    overrides.pickupAddress || plan.pickupAddress || overrides.startPoint || plan.startPoint
  const destinationAddress =
    overrides.destinationAddress ||
    plan.destinationAddress ||
    plan.destinationName ||
    overrides.endPoint ||
    plan.endPoint
  const blocks: DriverSummaryStopBlock[] = []
  if (pickupAddress) {
    blocks.push({
      label: '取货',
      customerName: plan.load?.customerName || undefined,
      stopTime: formatDate(plan.pickupTime) || undefined,
      address: pickupAddress,
      lng: overrides.pickupLng ?? plan.pickupLng,
      lat: overrides.pickupLat ?? plan.pickupLat,
      contact: overrides.pickupContact || plan.pickupContact || undefined,
      notes: overrides.pickupNotes || plan.pickupNotes || undefined,
      productLines: productLines.length ? productLines : []
    })
  }
  if (destinationAddress) {
    blocks.push({
      label: '送货',
      customerName: undefined,
      stopTime: undefined,
      address: destinationAddress,
      lng: overrides.destinationLng ?? plan.destinationLng,
      lat: overrides.destinationLat ?? plan.destinationLat,
      contact: overrides.deliveryContact || plan.deliveryContact || undefined,
      notes: overrides.destinationNotes || plan.destinationNotes || undefined,
      productLines: []
    })
  }
  return blocks
}

export function buildPoundQrcodePublicUrl(inventoryId: string, origin = window.location.origin) {
  return `${origin}/#/public/pl/pound-qrcode/${encodeURIComponent(inventoryId)}`
}

export function buildPoundQrcodeLinksFromInventoryRecords(
  records: {
    dbInventoryId: string
    dbPurchasePlanId?: string
    businessType?: string
    partnerCompany?: string
  }[],
  origin = window.location.origin
) {
  return records
    .filter((r) => r.dbPurchasePlanId?.trim() && r.dbInventoryId?.trim())
    .map((r) => {
      const bt = (r.businessType || '').trim()
      const pc = (r.partnerCompany || '').trim()
      const label = bt && pc ? `${bt} · ${pc}` : bt || pc || '磅单'
      return { label, url: buildPoundQrcodePublicUrl(r.dbInventoryId, origin) }
    })
}

export function buildDriverSummaryFromPlan(options: {
  plan?: DriverSummaryPlan | null
  planNo?: string
  licensePlate?: string
  pickupTime?: string
  planDate?: string
  personnelSummary?: string
  driverUrl?: string
  products?: PlanProduct[]
  stopBlocks?: DriverSummaryStopBlock[]
  getUnitLabel?: (unit: string) => string
  pickupAddress?: string
  pickupLng?: number | null
  pickupLat?: number | null
  destinationAddress?: string
  destinationLng?: number | null
  destinationLat?: number | null
  pickupContact?: string
  pickupNotes?: string
  deliveryContact?: string
  destinationNotes?: string
  startPoint?: string
  endPoint?: string
  poundQrcodeLinks?: { label: string; url: string }[]
}) {
  const plan = options.plan || {}
  const plate = options.licensePlate || plan.licensePlate || '—'
  const lines = [`【${plate} - 运输计划】`]
  lines.push(`计划号：${options.planNo || plan.planNo || '—'}`)
  lines.push(`车牌：${plate}`)
  const time = formatDate(options.pickupTime || plan.pickupTime) || options.planDate || plan.planDate
  if (time) lines.push(`时间：${time}`)

  const productLines = formatPlanLevelProductLines(options.products || [], options.getUnitLabel)
  let stopBlocks =
    options.stopBlocks ||
    buildDriverStopBlocksFromPlan(plan, options.getUnitLabel)
  if (!stopBlocks.length) {
    stopBlocks = buildLegacyDriverStopBlocks(plan, options, productLines)
  }

  if (stopBlocks.length) {
    lines.push('')
    stopBlocks.forEach((stop, index) => {
      if (index > 0) lines.push('')
      appendDriverStopBlockLines(lines, stop)
    })
  } else if (productLines.length) {
    lines.push('')
    lines.push(`产品：${productLines.join('；')}`)
  }

  lines.push('')
  lines.push(`司机链接：${options.driverUrl || '—'}`)
  const links = (options.poundQrcodeLinks || []).filter((x) => x?.url)
  if (links.length) {
    lines.push('')
    lines.push('磅单二维码链接：')
    for (const item of links) {
      lines.push(`${item.label}：${item.url}`)
    }
  }
  return lines.join('\n')
}