import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'providers/auth_provider.dart';
import 'pages/login_page.dart';
import 'pages/home_page.dart';
import 'pages/event_publish_page.dart';
import 'pages/event_list_page.dart';
import 'pages/order_work_page.dart';
import 'pages/work_order_detail_page.dart';
import 'pages/order_detail_page.dart';
import 'pages/scan_result_page.dart';
import 'pages/settings_page.dart';
import 'pages/employee_page.dart';
import 'pages/store_page.dart';
import 'pages/report_page.dart';
import 'pages/app_market_page.dart';
import 'pages/help_page.dart';
import 'pages/about_page.dart';
import 'pages/policy_page.dart';
import 'pages/system_messages_page.dart';

final routerProvider = Provider<GoRouter>((ref) {
  final authState = ref.watch(authProvider);

  return GoRouter(
    initialLocation: '/login',
    redirect: (context, state) {
      final isLoggedIn = authState.isLoggedIn;
      final loc = state.matchedLocation;
      final isPublicRoute = loc == '/login' || loc == '/settings/policy';

      if (!isLoggedIn && !isPublicRoute) {
        return '/login';
      }
      if (isLoggedIn && loc == '/login') {
        return '/home';
      }
      return null;
    },
    routes: [
      GoRoute(
        path: '/login',
        builder: (context, state) => const LoginPage(),
      ),
      GoRoute(
        path: '/home',
        builder: (context, state) => const HomePage(),
      ),
      GoRoute(
        path: '/event/publish',
        builder: (context, state) => const EventPublishPage(),
      ),
      GoRoute(
        path: '/event/list',
        builder: (context, state) => const EventListPage(),
      ),
      GoRoute(
        path: '/order-work',
        builder: (context, state) {
          final tab = state.uri.queryParameters['tab'] ?? 'work';
          return OrderWorkPage(initialTab: tab);
        },
      ),
      GoRoute(
        path: '/work-order/:id',
        builder: (context, state) {
          final id = state.pathParameters['id']!;
          return WorkOrderDetailPage(orderId: id);
        },
      ),
      GoRoute(
        path: '/order/:id',
        builder: (context, state) {
          final id = state.pathParameters['id']!;
          return OrderDetailPage(orderId: id);
        },
      ),
      GoRoute(
        path: '/scan-result',
        builder: (context, state) {
          final code = state.uri.queryParameters['code'] ?? '';
          return ScanResultPage(scanCode: code);
        },
      ),
      GoRoute(
        path: '/messages',
        builder: (context, state) => const SystemMessagesPage(),
      ),
      GoRoute(
        path: '/settings',
        builder: (context, state) => const SettingsPage(),
      ),
      GoRoute(
        path: '/settings/employees',
        builder: (context, state) => const EmployeePage(),
      ),
      GoRoute(
        path: '/settings/store',
        builder: (context, state) => const StorePage(),
      ),
      GoRoute(
        path: '/settings/report',
        builder: (context, state) => const ReportPage(),
      ),
      GoRoute(
        path: '/settings/app-market',
        builder: (context, state) => const AppMarketPage(),
      ),
      GoRoute(
        path: '/settings/help',
        builder: (context, state) => const HelpPage(),
      ),
      GoRoute(
        path: '/settings/about',
        builder: (context, state) => const AboutPage(),
      ),
      GoRoute(
        path: '/settings/policy',
        builder: (context, state) {
          final type = state.uri.queryParameters['type'] ?? 'agreement';
          return PolicyPage(type: type);
        },
      ),
    ],
  );
});