import { createRouter, createWebHistory, type RouteRecordRaw } from 'vue-router'
import { useAuthStore } from '@/stores/auth'

// Extend vue-router's RouteMeta so title/description are typed throughout
declare module 'vue-router' {
  interface RouteMeta {
    title?: string
    description?: string
    requiresAuth?: boolean
    guest?: boolean
    superAdmin?: boolean
  }
}

// ---------------------------------------------------------------------------
// Domain detection — runs once at module load
// Env-driven so www./staging hosts route correctly; an exact-match literal
// here once meant any non-canonical marketing host silently got the panel.
// ---------------------------------------------------------------------------
const hostname = typeof window !== 'undefined' ? window.location.hostname : ''
const marketingHosts = (import.meta.env.VITE_MARKETING_HOSTS ?? 'corrosionmgmt.com,www.corrosionmgmt.com')
  .split(',')
  .map((h: string) => h.trim().toLowerCase())
  .filter(Boolean)
const isMarketingDomain = marketingHosts.includes(hostname.toLowerCase())

// ---------------------------------------------------------------------------
// Marketing page children — shared between both domain route sets
// ---------------------------------------------------------------------------
const marketingChildren: RouteRecordRaw[] = [
  {
    path: '',
    name: 'landing',
    component: () => import('@/views/marketing/LandingView.vue'),
    meta: {
      title: 'Corrosion — Game Server Operations for Self-Hosted Communities',
      description: 'Management panel for self-hosted survival game servers — Rust, Dune: Awakening, Conan Exiles, Soulmask. Wipe automation, plugins, monitoring. Bring your own server.',
    },
  },
  {
    path: 'pricing',
    name: 'pricing',
    component: () => import('@/views/marketing/PricingView.vue'),
    meta: {
      title: 'Pricing — Corrosion',
      description: 'Plans from $9.99/mo (Hobby, 1–5 servers) to Network ($99.99+/mo, 50+ servers). Non-commercial and commercial tiers. No hosting fees — bring your own server.',
    },
  },
  {
    path: 'how-it-works',
    name: 'how-it-works',
    component: () => import('@/views/marketing/HowItWorksView.vue'),
    meta: {
      title: 'How It Works — Corrosion',
      description: 'Install one host agent on Windows or Linux. It connects outbound-only to Corrosion — no inbound ports, no SSH. Manage every game instance from the browser.',
    },
  },
  {
    path: 'faq',
    name: 'faq',
    component: () => import('@/views/marketing/FaqView.vue'),
    meta: {
      title: 'FAQ — Corrosion',
      description: 'Honest answers: Corrosion is self-service (BYOS, no hosting). Support is docs + community; 1:1 at $125/hr. Supports Rust, Dune, Conan Exiles, Soulmask.',
    },
  },
  {
    path: 'roadmap',
    name: 'roadmap',
    component: () => import('@/views/marketing/RoadmapView.vue'),
    meta: {
      title: 'Roadmap — Corrosion',
      description: 'Phase 1 shipped: core control plane, auto-wiper, plugin management. In progress: Dune, Conan, Soulmask multi-game blueprints. Planned: API access, integrations.',
    },
  },
  {
    path: 'early-access',
    name: 'early-access',
    component: () => import('@/views/marketing/EarlyAccessView.vue'),
    meta: {
      title: 'Early Access — Corrosion',
      description: 'Join the early access list. Get full control plane access — wipe automation, plugin management, real-time console — and lock in launch pricing.',
    },
  },
]

// ---------------------------------------------------------------------------
// Panel domain routes — panel.corrosionmgmt.com, localhost, etc.
// Existing behavior, unchanged.
// ---------------------------------------------------------------------------
const panelRoutes: RouteRecordRaw[] = [
  // Auth routes (no layout)
  {
    path: '/login',
    name: 'login',
    component: () => import('@/views/auth/LoginView.vue'),
    meta: { guest: true, title: 'Sign in — Corrosion' },
  },
  {
    path: '/register',
    name: 'register',
    component: () => import('@/views/auth/RegisterView.vue'),
    meta: { guest: true, title: 'Create account — Corrosion' },
  },
  {
    path: '/forgot-password',
    name: 'forgot-password',
    component: () => import('@/views/auth/ForgotPasswordView.vue'),
    meta: { guest: true, title: 'Reset password — Corrosion' },
  },
  {
    path: '/setup',
    name: 'setup-wizard',
    component: () => import('@/views/auth/SetupWizardView.vue'),
    meta: { requiresAuth: true, title: 'Setup — Corrosion' },
  },

  // Admin dashboard routes (with sidebar layout)
  {
    path: '/',
    component: () => import('@/components/layout/DashboardLayout.vue'),
    meta: { requiresAuth: true },
    children: [
      {
        path: '',
        name: 'dashboard',
        component: () => import('@/views/admin/DashboardView.vue'),
        meta: { title: 'Dashboard — Corrosion' },
      },
      {
        path: 'server',
        name: 'server',
        component: () => import('@/views/admin/ServerView.vue'),
        meta: { title: 'Server — Corrosion' },
      },
      {
        path: 'console',
        name: 'console',
        component: () => import('@/views/admin/ConsoleView.vue'),
        meta: { title: 'Console — Corrosion' },
      },
      {
        path: 'players',
        name: 'players',
        component: () => import('@/views/admin/PlayersView.vue'),
        meta: { title: 'Players — Corrosion' },
      },
      {
        path: 'plugins',
        name: 'plugins',
        component: () => import('@/views/admin/PluginsView.vue'),
        meta: { title: 'Plugins — Corrosion' },
      },
      {
        path: 'files',
        name: 'files',
        component: () => import('@/views/admin/FileManagerView.vue'),
        meta: { title: 'Files — Corrosion' },
      },
      {
        path: 'plugin-configs',
        name: 'plugin-configs',
        component: () => import('@/views/admin/PluginConfigsView.vue'),
        meta: { title: 'Plugin Configs — Corrosion' },
      },
      {
        path: 'loot-builder',
        name: 'loot-builder',
        component: () => import('@/views/admin/LootBuilderView.vue'),
        meta: { title: 'Loot Builder — Corrosion' },
      },
      {
        path: 'teleport-config',
        name: 'teleport-config',
        component: () => import('@/views/admin/TeleportConfigView.vue'),
        meta: { title: 'Teleport Config — Corrosion' },
      },
      {
        path: 'gather-manager',
        name: 'gather-manager',
        component: () => import('@/views/admin/GatherManagerView.vue'),
        meta: { title: 'Gather Manager — Corrosion' },
      },
      {
        path: 'autodoors',
        name: 'autodoors',
        component: () => import('@/views/admin/AutoDoorsView.vue'),
        meta: { title: 'Auto Doors — Corrosion' },
      },
      {
        path: 'kits',
        name: 'kits-config',
        component: () => import('@/views/admin/KitsView.vue'),
        meta: { title: 'Kits — Corrosion' },
      },
      {
        path: 'furnace-splitter',
        name: 'furnace-splitter',
        component: () => import('@/views/admin/FurnaceSplitterView.vue'),
        meta: { title: 'Furnace Splitter — Corrosion' },
      },
      {
        path: 'better-chat',
        name: 'better-chat',
        component: () => import('@/views/admin/BetterChatView.vue'),
        meta: { title: 'Better Chat — Corrosion' },
      },
      {
        path: 'timed-execute',
        name: 'timed-execute',
        component: () => import('@/views/admin/TimedExecuteView.vue'),
        meta: { title: 'Timed Execute — Corrosion' },
      },
      {
        path: 'raidable-bases',
        name: 'raidable-bases',
        component: () => import('@/views/admin/RaidableBasesView.vue'),
        meta: { title: 'Raidable Bases — Corrosion' },
      },
      {
        path: 'wipes',
        name: 'wipes',
        component: () => import('@/views/admin/WipesView.vue'),
        meta: { title: 'Wipes — Corrosion' },
      },
      {
        path: 'wipes/profiles',
        name: 'wipe-profiles',
        component: () => import('@/views/admin/WipeProfilesView.vue'),
        meta: { title: 'Wipe Profiles — Corrosion' },
      },
      {
        path: 'wipes/calendar',
        name: 'wipe-calendar',
        component: () => import('@/views/admin/WipeCalendarView.vue'),
        meta: { title: 'Wipe Calendar — Corrosion' },
      },
      {
        path: 'wipes/history',
        name: 'wipe-history',
        component: () => import('@/views/admin/WipeHistoryView.vue'),
        meta: { title: 'Wipe History — Corrosion' },
      },
      {
        path: 'wipes/analytics',
        name: 'wipe-analytics',
        component: () => import('@/views/admin/WipeAnalyticsView.vue'),
        meta: { title: 'Wipe Analytics — Corrosion' },
      },
      {
        path: 'maps',
        name: 'maps',
        component: () => import('@/views/admin/MapsView.vue'),
        meta: { title: 'Maps — Corrosion' },
      },
      {
        path: 'maps/analytics',
        name: 'map-analytics',
        component: () => import('@/views/admin/MapAnalyticsView.vue'),
        meta: { title: 'Map Analytics — Corrosion' },
      },
      {
        path: 'chat',
        name: 'chat',
        component: () => import('@/views/admin/ChatLogView.vue'),
        meta: { title: 'Chat Log — Corrosion' },
      },
      {
        path: 'analytics',
        name: 'analytics',
        component: () => import('@/views/admin/AnalyticsView.vue'),
        meta: { title: 'Analytics — Corrosion' },
      },
      {
        path: 'retention',
        name: 'retention',
        component: () => import('@/views/admin/PlayerRetentionView.vue'),
        meta: { title: 'Player Retention — Corrosion' },
      },
      {
        path: 'notifications',
        name: 'notifications',
        component: () => import('@/views/admin/NotificationsView.vue'),
        meta: { title: 'Notifications — Corrosion' },
      },
      {
        path: 'team',
        name: 'team',
        component: () => import('@/views/admin/TeamView.vue'),
        meta: { title: 'Team — Corrosion' },
      },
      {
        path: 'store/config',
        name: 'store-config',
        component: () => import('@/views/admin/StoreConfigView.vue'),
        meta: { title: 'Store Config — Corrosion' },
      },
      {
        path: 'store/items',
        name: 'store-items',
        component: () => import('@/views/admin/StoreItemsView.vue'),
        meta: { title: 'Store Items — Corrosion' },
      },
      {
        path: 'store/revenue',
        name: 'store-revenue',
        component: () => import('@/views/admin/StoreRevenueView.vue'),
        meta: { title: 'Store Revenue — Corrosion' },
      },
      {
        path: 'modules',
        name: 'modules',
        component: () => import('@/views/admin/ModuleStoreView.vue'),
        meta: { title: 'Modules — Corrosion' },
      },
      {
        path: 'settings',
        name: 'settings',
        component: () => import('@/views/admin/SettingsView.vue'),
        meta: { title: 'Settings — Corrosion' },
      },
      {
        path: 'schedules',
        name: 'schedules',
        component: () => import('@/views/admin/SchedulesView.vue'),
        meta: { title: 'Schedules — Corrosion' },
      },
      {
        path: 'migration',
        name: 'migration',
        component: () => import('@/views/admin/MigrationView.vue'),
        meta: { title: 'Migration — Corrosion' },
      },
      {
        path: 'changelog',
        name: 'changelog',
        component: () => import('@/views/admin/ChangelogView.vue'),
        meta: { title: 'Changelog — Corrosion' },
      },
      {
        path: 'alerts',
        name: 'alerts',
        component: () => import('@/views/admin/AlertsView.vue'),
        meta: { title: 'Alerts — Corrosion' },
      },
      {
        path: 'fleet',
        name: 'fleet',
        component: () => import('@/views/admin/FleetView.vue'),
        meta: { title: 'Fleet — Corrosion', requiresAuth: true },
      },
      // Platform Admin views (super-admin only)
      {
        path: 'admin',
        name: 'platform-admin',
        component: () => import('@/views/platform-admin/AdminDashboard.vue'),
        meta: { superAdmin: true, title: 'Admin — Corrosion' },
      },
      {
        path: 'admin/licenses',
        name: 'platform-licenses',
        component: () => import('@/views/platform-admin/AdminLicenses.vue'),
        meta: { superAdmin: true, title: 'Admin: Licenses — Corrosion' },
      },
      {
        path: 'admin/subscriptions',
        name: 'platform-subscriptions',
        component: () => import('@/views/platform-admin/AdminSubscriptions.vue'),
        meta: { superAdmin: true, title: 'Admin: Subscriptions — Corrosion' },
      },
      {
        path: 'admin/users',
        name: 'platform-users',
        component: () => import('@/views/platform-admin/AdminUsers.vue'),
        meta: { superAdmin: true, title: 'Admin: Users — Corrosion' },
      },
      {
        path: 'admin/servers',
        name: 'platform-servers',
        component: () => import('@/views/platform-admin/AdminServers.vue'),
        meta: { superAdmin: true, title: 'Admin: Servers — Corrosion' },
      },
    ],
  },

  // Public server site routes (different layout)
  {
    path: '/s/:subdomain',
    component: () => import('@/components/layout/PublicLayout.vue'),
    children: [
      {
        path: '',
        name: 'public-server',
        component: () => import('@/views/public/ServerInfoView.vue'),
      },
      {
        path: 'store',
        name: 'public-store',
        component: () => import('@/views/public/StoreView.vue'),
      },
    ],
  },

  // Marketing site (accessible on panel domain at /site/*)
  {
    path: '/site',
    component: () => import('@/components/layout/MarketingLayout.vue'),
    children: marketingChildren,
  },

  // Status page
  {
    path: '/status',
    name: 'status',
    component: () => import('@/views/public/StatusPageView.vue'),
    meta: { title: 'Status — Corrosion' },
  },

  // Catch-all
  {
    path: '/:pathMatch(.*)*',
    redirect: '/',
  },
]

// ---------------------------------------------------------------------------
// Marketing domain routes — corrosionmgmt.com (bare domain)
// Marketing pages at root. No admin/auth routes.
// ---------------------------------------------------------------------------
const marketingRoutes: RouteRecordRaw[] = [
  // Marketing layout at /
  {
    path: '/',
    component: () => import('@/components/layout/MarketingLayout.vue'),
    children: marketingChildren,
  },

  // Backward compat: /site/* → root-level equivalents
  {
    path: '/site/:pathMatch(.*)*',
    redirect: (to) => {
      const sub = to.params.pathMatch
      if (!sub || (Array.isArray(sub) && sub.length === 0)) return '/'
      const subPath = Array.isArray(sub) ? sub.join('/') : sub
      return subPath ? `/${subPath}` : '/'
    },
  },

  // Status page
  {
    path: '/status',
    name: 'status',
    component: () => import('@/views/public/StatusPageView.vue'),
    meta: { title: 'Status — Corrosion' },
  },

  // Catch-all: unknown routes → landing page
  {
    path: '/:pathMatch(.*)*',
    redirect: '/',
  },
]

// ---------------------------------------------------------------------------
// Router instance
// ---------------------------------------------------------------------------
const router = createRouter({
  history: createWebHistory(),
  routes: isMarketingDomain ? marketingRoutes : panelRoutes,
})

// ---------------------------------------------------------------------------
// Document title + meta description/OG update on every navigation
// ---------------------------------------------------------------------------
function setOrClearMeta(selector: string, attr: string, value: string): void {
  let el = document.querySelector<HTMLMetaElement>(selector)
  if (!el) {
    el = document.createElement('meta')
    // Parse the selector to set the right attribute (name="..." or property="...")
    const nameMatch = selector.match(/\[name="([^"]+)"\]/)
    const propMatch = selector.match(/\[property="([^"]+)"\]/)
    if (nameMatch?.[1]) el.setAttribute('name', nameMatch[1])
    if (propMatch?.[1]) el.setAttribute('property', propMatch[1])
    document.head.appendChild(el)
  }
  el.setAttribute(attr, value)
}

router.afterEach((to) => {
  // Title
  document.title = to.meta.title ?? 'Corrosion Management'

  // Description
  const desc = to.meta.description ?? ''
  setOrClearMeta('meta[name="description"]', 'content', desc)

  // OG title
  setOrClearMeta('meta[property="og:title"]', 'content', to.meta.title ?? 'Corrosion Management')

  // OG description
  setOrClearMeta('meta[property="og:description"]', 'content', desc)
})

// Auth guard — only meaningful on panel domain (marketing has no requiresAuth routes)
router.beforeEach((to, _from, next) => {
  const auth = useAuthStore()

  if (to.meta.requiresAuth && !auth.isAuthenticated) {
    next({ name: 'login', query: { redirect: to.fullPath } })
  } else if (to.meta.superAdmin && !auth.isSuperAdmin) {
    next({ name: 'dashboard' })
  } else if (to.meta.guest && auth.isAuthenticated) {
    next({ name: 'dashboard' })
  } else {
    next()
  }
})

export default router