tm_app/lib/core/routes/app_routes.dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:tm_app/views/detail/detail_screen.dart';
import '../../views/home/home_screen.dart';
import '../../views/profile/profile_screen.dart';
import '../../views/tenders/tenders_screen.dart';
import 'app_shell_screen.dart';

part 'app_routes.g.dart';

// Global navigator keys
final GlobalKey<NavigatorState> rootNavigatorKey = GlobalKey<NavigatorState>();
final GlobalKey<NavigatorState> homeNavigatorKey = GlobalKey<NavigatorState>();
final GlobalKey<NavigatorState> tendersNavigatorKey =
    GlobalKey<NavigatorState>();
final GlobalKey<NavigatorState> profileNavigatorKey =
    GlobalKey<NavigatorState>();

// Main app router
final GoRouter appRouter = GoRouter(
  routes: $appRoutes,
  initialLocation: '/login',
  navigatorKey: rootNavigatorKey,
);

// Login route - outside the shell
@TypedGoRoute<LoginScreenRoute>(path: '/login')
class LoginScreenRoute extends GoRouteData with _$LoginScreenRoute {
  const LoginScreenRoute();

  @override
  Widget build(BuildContext context, GoRouterState state) {
    return const TenderDetailScreen();
  }
}

// Shell route with bottom navigation using StatefulShellRoute.indexedStack
@TypedStatefulShellRoute<AppShellRouteData>(
  branches: <TypedStatefulShellBranch<StatefulShellBranchData>>[
    TypedStatefulShellBranch<HomeBranch>(
      routes: <TypedRoute<RouteData>>[
        TypedGoRoute<HomeRouteData>(path: '/home'),
      ],
    ),
    TypedStatefulShellBranch<TendersBranch>(
      routes: <TypedRoute<RouteData>>[
        TypedGoRoute<TendersRouteData>(path: '/tenders'),
      ],
    ),
    TypedStatefulShellBranch<ProfileBranch>(
      routes: <TypedRoute<RouteData>>[
        TypedGoRoute<ProfileRouteData>(path: '/profile'),
      ],
    ),
  ],
)
class AppShellRouteData extends StatefulShellRouteData {
  const AppShellRouteData();

  static final GlobalKey<NavigatorState> $parentNavigatorKey = rootNavigatorKey;

  @override
  Widget builder(
    BuildContext context,
    GoRouterState state,
    StatefulNavigationShell navigationShell,
  ) {
    return AppShellScreen(navigationShell: navigationShell);
  }
}

// Branch data classes
class HomeBranch extends StatefulShellBranchData {
  const HomeBranch();
  static final GlobalKey<NavigatorState> $navigatorKey = homeNavigatorKey;
}

class TendersBranch extends StatefulShellBranchData {
  const TendersBranch();
  static final GlobalKey<NavigatorState> $navigatorKey = tendersNavigatorKey;
}

class ProfileBranch extends StatefulShellBranchData {
  const ProfileBranch();
  static final GlobalKey<NavigatorState> $navigatorKey = profileNavigatorKey;
}

// Route data classes
class HomeRouteData extends GoRouteData with _$HomeRouteData {
  const HomeRouteData();

  @override
  Widget build(BuildContext context, GoRouterState state) {
    return const HomeScreen();
  }

  // @override
  // Page<void> buildPage(BuildContext context, GoRouterState state) {
  //   return CustomTransitionPage<void>(
  //     key: state.pageKey,
  //     child: const HomeScreen(),
  //     transitionDuration: const Duration(milliseconds: 500),
  //     transitionsBuilder: (context, animation, secondaryAnimation, child) {
  //       const begin = Offset(1.0, 0.0); // From right to left
  //       const end = Offset.zero;
  //       const curve = Curves.linearToEaseOut;

  //       var tween = Tween(
  //         begin: begin,
  //         end: end,
  //       ).chain(CurveTween(curve: curve));
  //       var offsetAnimation = animation.drive(tween);
  //       return SlideTransition(position: offsetAnimation, child: child);
  //     },
  //   );
  // }
}

class TendersRouteData extends GoRouteData with _$TendersRouteData {
  const TendersRouteData();

  @override
  Widget build(BuildContext context, GoRouterState state) {
    return const TendersScreen();
  }
}

class ProfileRouteData extends GoRouteData with _$ProfileRouteData {
  const ProfileRouteData();

  @override
  Widget build(BuildContext context, GoRouterState state) {
    return const ProfileScreen();
  }
}