import { createRouter, createWebHistory } from 'vue-router'
import AppLayout from '@/layouts/AppLayout.vue'
import { decideRouteAccess } from '@/router/accessDecision'
import { useAccessPreviewStore } from '@/stores/accessPreview'
import { useAuthStore } from '@/stores/auth'

const router = createRouter({
  history: createWebHistory(),
  routes: [
    {
      path: '/login',
      name: 'login',
      component: () => import('@/views/LoginView.vue'),
      meta: { title: '登录' },
    },
    {
      path: '/',
      component: AppLayout,
      meta: { requiresAuth: true },
      children: [
        {
          path: '',
          name: 'home',
          component: () => import('@/views/ModuleView.vue'),
          meta: { title: '进入管理后台', description: '正在进入当前角色可访问的业务页面' },
        },
        {
          path: 'customers',
          name: 'customers',
          component: () => import('@/views/IntegrationUnavailableView.vue'),
          props: { moduleName: '客户管理', description: '后端尚未提供平台客户档案列表及维护接口。企业注册审核请使用“企业审核”页面。' },
          meta: { title: '客户管理', description: '维护客户企业资料、合作状态和注册审核', permission: 'platform:customer:list' },
        },
        {
          path: 'customers/reviews',
          name: 'enterprise-reviews',
          component: () => import('@/views/EnterpriseReviewsView.vue'),
          meta: { title: '企业审核', description: '核验企业资质并维护客户下单资格', permission: 'platform:customer:review' },
        },
        {
          path: 'warehouses',
          name: 'warehouses',
          component: () => import('@/views/WarehousesView.vue'),
          meta: { title: '仓库管理', description: '维护客户头程下单可选择的平台收货仓', permission: 'platform:warehouse:list' },
        },
        {
          path: 'orders/first-leg',
          name: 'first-leg-orders',
          component: () => import('@/views/FirstLegOrdersView.vue'),
          meta: { title: '头程订单', description: '创建、受理和跟进客户提交的头程运输订单', permission: 'platform:order:list' },
        },
        {
          path: 'master-data/express-companies',
          name: 'express-companies',
          component: () => import('@/views/IntegrationUnavailableView.vue'),
          props: { moduleName: '快递公司', description: '后端尚未提供平台快递公司主数据的正式查询和维护接口。' },
          meta: { title: '快递公司', description: '查询平台可用的快递公司档案与公开联系信息', permission: 'platform:express:list' },
        },
        {
          path: 'master-data/counterparties',
          name: 'counterparties',
          component: () => import('@/views/IntegrationUnavailableView.vue'),
          props: { moduleName: '往来单位', description: '现有往来单位接口仅面向企业端，后端尚未提供平台侧正式维护接口。' },
          meta: { title: '往来单位', description: '维护供应商、客户、承运商、报关行及收发货单位档案', permission: 'platform:counterparty:list' },
        },
        {
          path: 'system/users',
          name: 'users',
          component: () => import('@/views/InternalUsersView.vue'),
          meta: { title: '内部用户', description: '管理平台内部员工账号、状态和角色', permission: 'platform:user:list' },
        },
        {
          path: 'system/roles',
          name: 'roles',
          component: () => import('@/views/RolesView.vue'),
          meta: { title: '角色管理', description: '维护平台角色并配置菜单及操作权限', permission: 'platform:role:list' },
        },
        {
          path: 'system/permissions',
          name: 'permissions',
          component: () => import('@/views/PermissionsView.vue'),
          meta: { title: '菜单权限', description: '维护菜单、页面、按钮和接口权限编码', permission: 'platform:permission:list' },
        },
        {
          path: '403',
          name: 'forbidden',
          component: () => import('@/views/ForbiddenView.vue'),
          meta: { title: '权限不足', description: '当前登录账号没有访问此页面的权限' },
        },
      ],
    },
    { path: '/:pathMatch(.*)*', redirect: '/' },
  ],
})

router.beforeEach((to) => {
  document.title = to.meta.title ? `${to.meta.title} - 柏悦物流管理后台` : '柏悦物流管理后台'
  const auth = useAuthStore()
  if (to.name === 'login' && auth.isAuthenticated) {
    return { name: 'home' }
  }
  if (!auth.isAuthenticated && !to.meta.requiresAuth) return true

  const access = useAccessPreviewStore()
  if (auth.isAuthenticated) access.initializeAfterLogin()
  const decision = decideRouteAccess({
    requiresAuth: to.meta.requiresAuth,
    isAuthenticated: auth.isAuthenticated,
    fullPath: to.fullPath,
    permission: to.meta.permission,
    hasPermission: to.meta.permission ? access.can(to.meta.permission) : true,
  })

  if (decision.type === 'login') {
    return { name: 'login', query: { redirect: decision.redirect } }
  }
  if (decision.type === 'forbidden') {
    return { name: 'forbidden', query: { from: decision.from }, replace: true }
  }
  if (to.name === 'home') {
    return access.firstAccessiblePath
      ? { path: access.firstAccessiblePath, replace: true }
      : { name: 'forbidden', replace: true }
  }
  return true
})

export default router