import * as Icons from '@arco-design/web-vue/es/icon'
import type { Component } from 'vue'

/** 一级菜单默认图标（按 locale key） */
export const TOP_MENU_DEFAULT_ICONS: Record<string, string> = {
  'menu.home': 'IconDashboard',
  'menu.user': 'IconUser',
  'menu.finance': 'IconStorage',
  'menu.order': 'IconFile',
  'menu.channel': 'IconLink',
  'menu.track': 'IconComputer',
  'menu.operation': 'IconSettings',
  'menu.api': 'IconComputer',
  'menu.system': 'IconSettings',
  'menu.xhs': 'IconBook',
}

/** 子菜单默认图标（按 locale key） */
export const SUB_MENU_DEFAULT_ICONS: Record<string, string> = {
  'menu.home': 'IconHome',
  'menu.user.customer': 'IconUserGroup',
  'menu.user.profile': 'IconUser',
  'menu.user.recharge': 'IconGift',
  'menu.finance.rechargeRecord': 'IconList',
  'menu.finance.accountFlow': 'IconSwap',
  'menu.finance.receivablePayable': 'IconFile',
  'menu.order.orderGuide': 'IconBook',
  'menu.order.priceCheck': 'IconSearch',
  'menu.order.placeOrder': 'IconPlus',
  'menu.order.myOrders': 'IconOrderedList',
  'menu.order.waybillManage': 'IconStorage',
  'menu.order.customs9610Order': 'IconFile',
  'menu.order.batchJobs': 'IconSchedule',
  'menu.channel.channelGuide': 'IconBook',
  'menu.channel.salesProducts': 'IconTag',
  'menu.channel.serviceChannels': 'IconSend',
  'menu.channel.priceArea': 'IconLocation',
  'menu.channel.blacklist': 'IconCloseCircle',
  'menu.channel.remoteZones': 'IconCompass',
  'menu.channel.weightRules': 'IconExperiment',
  'menu.channel.weightRounding': 'IconCode',
  'menu.channel.autoTrigger': 'IconThunderbolt',
  'menu.channel.issueTemplate': 'IconFile',
  'menu.track.trackGuide': 'IconBook',
  'menu.track.trackOrder': 'IconList',
  'menu.track.warningOrder': 'IconExclamationCircle',
  'menu.track.trackState': 'IconCheckCircle',
  'menu.track.trackFlag': 'IconFlag',
  'menu.track.trackContent': 'IconMessage',
  'menu.track.trackPull': 'IconDownload',
  'menu.track.trackPush': 'IconUpload',
  'menu.track.kpiEarlyWarningConfig': 'IconSettings',
  'menu.operation.inboundScan': 'IconImport',
  'menu.operation.outboundScan': 'IconExport',
  'menu.operation.printLabel': 'IconPrinter',
  'menu.operation.parcelArrival': 'IconImport',
  'menu.warehouse.parcel': 'IconGift',
  'menu.warehouse.inventory': 'IconStorage',
  'menu.warehouse.sku': 'IconTags',
  'menu.warehouse.inboundNotice': 'IconFile',
  'menu.warehouse.binLocation': 'IconLocation',
  'menu.api.upstreamInterface': 'IconCloud',
  'menu.api.downstreamInterface': 'IconCloudDownload',
  'menu.api.createInterface': 'IconPlus',
  'menu.api.editInterface': 'IconEdit',
  'menu.api.appList': 'IconApps',
  'menu.api.requestLog': 'IconFile',
  'menu.api.callStatistics': 'IconBarChart',
  'menu.api.createApplication': 'IconPlusCircle',
  'menu.api.apiDebugger': 'IconBug',
  'menu.api.apiLike': 'IconCode',
  'menu.api.apiTest': 'IconExperiment',
  'menu.system.organization': 'IconUserGroup',
  'menu.system.user': 'IconUser',
  'menu.system.position': 'IconIdcard',
  'menu.system.role': 'IconSafe',
  'menu.system.module': 'IconApps',
  'menu.system.menu': 'IconMenu',
  'menu.system.warehouseAddress': 'IconHome',
  'menu.system.country': 'IconPublic',
  'menu.system.otherConfig': 'IconSettings',
  'menu.system.aiAssistant': 'IconRobot',
  'menu.system.aiSkills': 'IconBook',
  'menu.system.mcpTools': 'IconApps',
  'menu.system.dataPerm': 'IconLock',
  'menu.system.dataPermUsers': 'IconUser',
  'menu.system.dataPermTemplates': 'IconFile',
  'menu.system.dataPermAudit': 'IconHistory',
  'menu.xhs.startService': 'IconPlayArrow',
  'menu.xhs.analysis': 'IconBarChart',
  'menu.xhs.creation': 'IconEdit',
  'menu.xhs.publishHistory': 'IconHistory',
  'menu.xhs.skills': 'IconApps',
  'menu.xhs.humanSettings': 'IconSettings',
}

export function toPascalIconName(icon: string): string {
  const trimmed = icon.trim()
  if (!trimmed) return ''
  if (/^Icon[A-Z]/.test(trimmed)) return trimmed
  if (trimmed.startsWith('icon-')) {
    return `Icon${trimmed
      .slice(5)
      .split('-')
      .map((part) => part.charAt(0).toUpperCase() + part.slice(1))
      .join('')}`
  }
  return trimmed
}

export function resolveArcoIcon(icon?: string | null): Component | null {
  if (!icon) return null
  const pascal = toPascalIconName(icon)
  return (Icons as Record<string, Component>)[pascal] ?? null
}

/** 同名菜单（如「新手指引」）按 path 区分 locale */
export const PATH_TO_LOCALE_KEY: Record<string, string> = {
  '/track/guide': 'menu.track.trackGuide',
  '/order/guide': 'menu.order.orderGuide',
  '/channel/guide': 'menu.channel.channelGuide',
  '/marketing/guide': 'menu.marketing.marketingGuide',
}

type MenuIconItem = {
  name?: string
  path?: string
  route?: string
  meta?: {
    icon?: string
    title?: string
  }
}

function resolveLocaleKey(
  menuItem: MenuIconItem,
  nameToLocaleKeyMap?: Record<string, string>,
): string | undefined {
  const routePath = (menuItem.path || menuItem.route || '').trim()
  if (routePath && PATH_TO_LOCALE_KEY[routePath]) {
    return PATH_TO_LOCALE_KEY[routePath]
  }
  const title = menuItem.name || menuItem.meta?.title || ''
  if (!title) return undefined
  if (title.startsWith('menu.')) return title
  return nameToLocaleKeyMap?.[title]
}

/** 解析顶部导航子菜单图标：优先菜单配置，其次默认映射，再继承父级，最后兜底 */
export function getSubMenuIcon(
  menuItem: MenuIconItem,
  parentMenuItem?: MenuIconItem,
  nameToLocaleKeyMap?: Record<string, string>,
): Component {
  const configured = resolveArcoIcon(menuItem.meta?.icon)
  if (configured) return configured

  const localeKey = resolveLocaleKey(menuItem, nameToLocaleKeyMap)
  if (localeKey) {
    const mapped = resolveArcoIcon(SUB_MENU_DEFAULT_ICONS[localeKey])
    if (mapped) return mapped
  }

  const parentIcon = resolveArcoIcon(parentMenuItem?.meta?.icon)
  if (parentIcon) return parentIcon

  return Icons.IconApps
}

/** 解析顶部导航一级菜单图标：优先菜单配置，其次默认映射，最后兜底 */
export function getTopMenuIcon(
  menuItem: MenuIconItem,
  nameToLocaleKeyMap?: Record<string, string>,
): Component {
  const configured = resolveArcoIcon(menuItem.meta?.icon)
  if (configured) return configured

  const localeKey = resolveLocaleKey(menuItem, nameToLocaleKeyMap)
  if (localeKey) {
    const mapped = resolveArcoIcon(TOP_MENU_DEFAULT_ICONS[localeKey])
    if (mapped) return mapped
  }

  return Icons.IconMenu
}