import type { Router } from 'vue-router'
import { useAuthStore } from '@/stores/useAuthStore'
import { usePortalStore } from '@/stores/usePortalStore'

const guestOnlyPaths = ['/login', '/wachtwoord-vergeten', '/wachtwoord-resetten', '/wachtwoord-instellen', '/verify-email-change']

// Old dashboard routes that need backward-compat redirects
const dashboardRedirects: Record<string, string> = {
  '/dashboard': '/evenementen',
  '/dashboard/my-shifts': '/evenementen',
  '/dashboard/claim-shifts': '/evenementen',
}

export function setupGuards(router: Router) {
  router.beforeEach(async (to, from) => {
    const authStore = useAuthStore()

    if (!authStore.isInitialized) {
      await authStore.initialize()
    }

    if (import.meta.env.DEV) {
      console.log('🔒 Router Guard:', {
        to: to.path,
        from: from.path,
        isAuthenticated: authStore.isAuthenticated,
      })
    }

    // Hydrate portal data once after auth is confirmed
    if (authStore.isAuthenticated) {
      const portalStore = usePortalStore()
      await portalStore.hydrateIfNeeded()
    }

    // Backward-compat redirects for old dashboard routes
    const redirect = dashboardRedirects[to.path]
    if (redirect && authStore.isAuthenticated) {
      if (import.meta.env.DEV) console.log('🔄 Backward-compat redirect:', to.path, '→', redirect)
      return { path: redirect }
    }

    const requiresAuth = to.meta.requiresAuth === true

    // Public routes — no auth check needed
    if (!requiresAuth) {
      if (authStore.isAuthenticated && guestOnlyPaths.some(p => to.path === p || to.path.startsWith(`${p}/`))) {
        if (import.meta.env.DEV) console.log('🔄 Redirecting logged-in user away from login page')
        return { path: '/evenementen' }
      }

      if (import.meta.env.DEV) console.log('✅ Public route, allowing access')
      return
    }

    // Auth required — redirect to login if not authenticated
    if (!authStore.isAuthenticated) {
      if (import.meta.env.DEV) console.log('🚫 Not authenticated, redirecting to login')
      return { path: '/login', query: { to: to.fullPath } }
    }

    if (import.meta.env.DEV) console.log('✅ Access granted')
  })
}