import type { Component } from 'vue'
import {
  Building2,
  ContactRound,
  ClipboardList,
  CircleDollarSign,
  Database,
  Download,
  KeyRound,
  Settings,
  ShieldCheck,
  Truck,
  Users,
  Warehouse as WarehouseIcon,
} from '@lucide/vue'

export interface AdminNavigationNode {
  key: string
  title: string
  icon: Component
  iconColor?: string
  path?: string
  permission?: string
  permissionAnyOf?: string[]
  /** Set to true to remove a prototype module from the sidebar without deleting its route. */
  hidden?: boolean
  children?: AdminNavigationNode[]
}

export interface AdminNavigationLeaf extends AdminNavigationNode {
  path: string
  permission?: string
  children?: never
}

export const adminNavigation: AdminNavigationNode[] = [
  // 原型菜单暂未接入一期范围；恢复展示时移除对应注释即可。
  // { key: 'dashboard', title: '首页数据看板', icon: ClipboardList, path: '/dashboard' },
  {
    key: 'customers',
    title: '客户管理',
    icon: Building2,
    iconColor: '#52c41a',
    children: [
      { key: 'customers-list', title: '客户列表', icon: Building2, path: '/customers', permission: 'platform:customer:list', permissionAnyOf: ['platform:customer:review'] },
      // { key: 'warehouse-tier-fee', title: '海外仓阶梯费用', icon: Building2, path: '/prototype/customer-management/warehouse-tier-fee' },
    ],
  },
  {
    key: 'domestic-warehouse',
    title: '国内仓',
    icon: WarehouseIcon,
    iconColor: '#52c41a',
    children: [
      { key: 'warehouses', title: '仓库管理', icon: WarehouseIcon, path: '/warehouses', permission: 'platform:warehouse:list' },
      { key: 'inbound-list', title: '入库单', icon: ClipboardList, path: '/inbounds', permission: 'platform:firstleg:inbound:list' },
      { key: 'locations', title: '库位管理', icon: WarehouseIcon, path: '/master-data/locations', permission: 'platform:location:list' },
      { key: 'pallets', title: '托盘管理', icon: WarehouseIcon, path: '/master-data/pallets', permission: 'platform:pallet:list' },
      // { key: 'inbound-dedup', title: '入库单测量', icon: ClipboardList, path: '/prototype/domestic-warehouse/inbound-dedup' },
      // { key: 'inbound-measure', title: '测量数据审核', icon: FileCheck2, path: '/prototype/domestic-warehouse/inbound-measure' },
      // { key: 'inbound-receive', title: '接收审核', icon: FileCheck2, path: '/prototype/domestic-warehouse/inbound-receive' },
      // { key: 'overseas-location', title: '库位管理', icon: WarehouseIcon, path: '/prototype/domestic-warehouse/location-management' },
      // { key: 'pallet-management', title: '托盘管理', icon: WarehouseIcon, path: '/prototype/domestic-warehouse/pallet-management' },
    ],
  },
  {
    key: 'first-leg-orders',
    title: '头程订单',
    icon: ClipboardList,
    iconColor: '#1890ff',
    path: '/orders/first-leg',
    permission: 'platform:order:list',
  },
  {
    key: 'first-leg-pricing',
    title: '头程计费',
    icon: CircleDollarSign,
    iconColor: '#13a8a8',
    children: [
      { key: 'fba-customer-rules', title: '客户计费规则', icon: Database, path: '/first-leg-pricing/customer-rules', permission: 'firstleg:fba-pricing:rule:view' },
      { key: 'fba-carrier-rates', title: '船司 FBA 价格', icon: CircleDollarSign, path: '/first-leg-pricing/carrier-rates', permission: 'firstleg:fba-pricing:rate:view' },
    ],
  },
  /* {
    key: 'overseas-delivery',
    title: '海外派送',
    icon: Truck,
    children: [
      { key: 'outbound-dispatch', title: '派送单列表', icon: Truck, path: '/prototype/overseas-delivery/dispatch-list' },
      { key: 'outbound-vehicle', title: '排车列表', icon: Truck, path: '/prototype/overseas-delivery/vehicle-scheduling' },
      { key: 'outbound-bol', title: 'BOL', icon: FileCheck2, path: '/prototype/overseas-delivery/bol' },
      { key: 'outbound-selfpick', title: '自提单', icon: ClipboardList, path: '/prototype/overseas-delivery/self-pickup' },
    ],
  },
  {
    key: 'overseas-inventory',
    title: '海外仓库存',
    icon: WarehouseIcon,
    children: [
      { key: 'overseas-stock', title: '库存列表', icon: WarehouseIcon, path: '/prototype/overseas-inventory/stock-list' },
      { key: 'overseas-inbound', title: '海外入库单', icon: ClipboardList, path: '/prototype/overseas-inventory/inbound-orders' },
      { key: 'overseas-outbound', title: '出库单', icon: ClipboardList, path: '/prototype/overseas-inventory/outbound-orders' },
      { key: 'overseas-relabel', title: '换标订单', icon: ClipboardList, path: '/prototype/overseas-inventory/relabel-orders' },
    ],
  },
  {
    key: 'service-center',
    title: '服务中心',
    icon: ClipboardList,
    children: [
      { key: 'booking-list', title: '订舱列表', icon: ClipboardList, path: '/prototype/service-center/booking-list' },
      { key: 'truck-list', title: '拖车列表', icon: Truck, path: '/prototype/service-center/truck-list' },
    ],
  },
  {
    key: 'supplier-center',
    title: '供应商中心',
    icon: ContactRound,
    children: [
      { key: 'supplier-list', title: '供应商列表', icon: ContactRound, path: '/prototype/supplier-center/supplier-list' },
    ],
  },
  {
    key: 'container-management',
    title: '货柜管理',
    icon: WarehouseIcon,
    children: [
      { key: 'container-list', title: '货柜列表', icon: WarehouseIcon, path: '/prototype/container-management/container-list' },
      { key: 'container-manifest', title: '装柜清单', icon: ClipboardList, path: '/prototype/container-management/manifest' },
      { key: 'container-preload', title: '预装清单', icon: ClipboardList, path: '/prototype/container-management/preload-list' },
    ],
  },
  {
    key: 'overseas-business',
    title: '海外业务',
    icon: Building2,
    children: [
      { key: 'overseas-users', title: '用户管理', icon: Users, path: '/prototype/overseas-business/users' },
      { key: 'overseas-purchase', title: '采购订单', icon: ClipboardList, path: '/prototype/overseas-business/purchase-orders' },
      { key: 'overseas-truck', title: '本土卡车', icon: Truck, path: '/prototype/overseas-business/local-truck' },
      { key: 'overseas-looseboard', title: '本土散板', icon: ClipboardList, path: '/prototype/overseas-business/local-looseboard' },
    ],
  },
  {
    key: 'overseas-warehouse-orders',
    title: '海外仓下单',
    icon: ClipboardList,
    children: [
      { key: 'overseas-order-inbound', title: '退货入库', icon: ClipboardList, path: '/prototype/overseas-warehouse-orders/return-inbound' },
      { key: 'overseas-order-relabel', title: '退货换标', icon: ClipboardList, path: '/prototype/overseas-warehouse-orders/return-relabel' },
      { key: 'overseas-order-outbound', title: '退货出库', icon: ClipboardList, path: '/prototype/overseas-warehouse-orders/return-outbound' },
    ],
  },
  {
    key: 'fba-returns',
    title: 'FBA退货',
    icon: FileCheck2,
    children: [
      { key: 'fba-inbound-order', title: '入库单', icon: ClipboardList, path: '/prototype/fba-returns/inbound-orders' },
      { key: 'fba-relabel-order', title: '换标单', icon: ClipboardList, path: '/prototype/fba-returns/relabel-orders' },
      { key: 'fba-outbound-order', title: '出库单', icon: ClipboardList, path: '/prototype/fba-returns/outbound-orders' },
      { key: 'fba-pallet', title: '托盘管理', icon: WarehouseIcon, path: '/prototype/fba-returns/pallet-management' },
      { key: 'fba-carton', title: '箱号管理', icon: ClipboardList, path: '/prototype/fba-returns/carton-management' },
      { key: 'fba-product', title: '产品库', icon: Database, path: '/prototype/fba-returns/product-catalog' },
      { key: 'fba-return-stock', title: '退货库存', icon: WarehouseIcon, path: '/prototype/fba-returns/return-stock' },
    ],
  },
  {
    key: 'finance',
    title: '财务管理',
    icon: Database,
    children: [
      { key: 'customer-arap', title: '客户应收应付', icon: Database, path: '/prototype/finance/customer-arap' },
      { key: 'customer-recon-stmt', title: '客户对账单', icon: FileCheck2, path: '/prototype/finance/customer-reconciliation' },
      { key: 'settlement-ar', title: '结算单应收', icon: FileCheck2, path: '/prototype/finance/settlement-ar' },
      { key: 'settlement-ap', title: '结算单应付', icon: FileCheck2, path: '/prototype/finance/settlement-ap' },
      { key: 'finance-cost', title: '费用分析', icon: Database, path: '/prototype/finance/cost-analysis' },
      { key: 'profit', title: '利润表', icon: Database, path: '/prototype/finance/profit-report' },
    ],
  },
  {
    key: 'vehicle-management',
    title: '车辆管理',
    icon: Truck,
    children: [
      { key: 'vehicle-list', title: '车辆列表', icon: Truck, path: '/prototype/vehicle-management/vehicle-list' },
    ],
  },
  {
    key: 'reports',
    title: '报表中心',
    icon: Database,
    children: [
      { key: 'report-overview', title: '报表总览', icon: Database, path: '/prototype/reports/overview' },
      { key: 'report-income', title: '收支报表', icon: Database, path: '/prototype/reports/income-expense' },
      { key: 'report-ar-aging', title: '应收账龄分析', icon: Database, path: '/prototype/reports/ar-aging' },
      { key: 'report-cost', title: '费用构成分析', icon: Database, path: '/prototype/reports/cost-composition' },
      { key: 'report-freight', title: '运费报表', icon: Database, path: '/prototype/reports/freight' },
      { key: 'report-business', title: '业务统计报表', icon: Database, path: '/prototype/reports/business-statistics' },
    ],
  },
  */
  {
    key: 'general',
    title: '通用',
    icon: Database,
    iconColor: '#722ed1',
    children: [
      // { key: 'general-product', title: '产品信息', icon: Database, path: '/prototype/general/product-information' },
      // { key: 'general-fee', title: '费用项目', icon: Database, path: '/prototype/general/fee-items' },
      // { key: 'general-fba', title: 'FBA编码地址', icon: Database, path: '/prototype/general/fba-address' },
      // { key: 'general-pallet', title: '托盘管理', icon: WarehouseIcon, path: '/prototype/general/pallet-management' },
      // { key: 'general-location', title: '库位/货架管理', icon: WarehouseIcon, path: '/prototype/general/location-management' },
      { key: 'express-companies', title: '快递公司', icon: Truck, path: '/master-data/express-companies', permission: 'platform:express:list' },
      { key: 'counterparties', title: '往来单位', icon: ContactRound, path: '/master-data/counterparties', permission: 'platform:counterparty:list' },
      { key: 'download-center', title: '下载中心', icon: Download, path: '/downloads', permission: 'platform:download:list' },
      // { key: 'general-voyage', title: '船期价格表', icon: Database, path: '/prototype/general/voyage-price-list' },
    ],
  },
  /* {
    key: 'sales',
    title: '销售管理',
    icon: Users,
    children: [
      { key: 'sales-visits', title: '拜访记录', icon: Users, path: '/prototype/sales/visit-records' },
      { key: 'sales-commission', title: '销售提成', icon: Database, path: '/prototype/sales/commission' },
    ],
  },
  {
    key: 'messages',
    title: '消息中心',
    icon: ClipboardList,
    children: [
      { key: 'message-management', title: '消息管理', icon: ClipboardList, path: '/prototype/messages/management' },
      { key: 'message-template', title: '模板管理', icon: ClipboardList, path: '/prototype/messages/templates' },
      { key: 'my-messages', title: '我的消息', icon: ClipboardList, path: '/prototype/messages/my-messages' },
    ],
  },
  */
  {
    key: 'system',
    title: '系统管理',
    icon: Settings,
    iconColor: '#8c8c8c',
    children: [
      { key: 'internal-users', title: '用户管理', icon: Users, path: '/system/users', permission: 'platform:user:list' },
      { key: 'roles', title: '角色权限', icon: ShieldCheck, path: '/system/roles', permission: 'platform:role:list' },
      { key: 'permissions', title: '菜单权限', icon: KeyRound, path: '/system/permissions', permission: 'platform:permission:list' },
      // { key: 'tenant-management', title: '租户管理', icon: Building2, path: '/prototype/system-management/tenant-management' },
      // { key: 'brand-settings', title: '品牌设置', icon: Settings, path: '/prototype/system-management/brand-settings' },
    ],
  },
]

export function getNavigationLeaves(nodes: AdminNavigationNode[]): AdminNavigationLeaf[] {
  return nodes.flatMap((node) => {
    if (node.children?.length) return getNavigationLeaves(node.children)
    if (!node.path) return []
    return [node as AdminNavigationLeaf]
  })
}

export function filterAdminNavigation(
  nodes: AdminNavigationNode[],
  permissionCodes: ReadonlySet<string>,
): AdminNavigationNode[] {
  return nodes.flatMap((node) => {
    if (node.hidden) return []
    if (node.children?.length) {
      const children = filterAdminNavigation(node.children, permissionCodes)
      return children.length ? [{ ...node, children }] : []
    }
    const alternativePermissions = node.permissionAnyOf ?? []
    const requiresPermission = Boolean(node.permission || alternativePermissions.length)
    const hasPermission = !requiresPermission || Boolean(
      (node.permission && permissionCodes.has(node.permission))
      || alternativePermissions.some((permission) => permissionCodes.has(permission)),
    )
    if (!node.path || !hasPermission) return []
    return [{ ...node }]
  })
}

export function getFirstNavigationLeaf(nodes: AdminNavigationNode[]): AdminNavigationLeaf | null {
  return getNavigationLeaves(nodes)[0] ?? null
}