/// Configuration centralisée des routes de l'application
/// 
/// Gère toutes les routes et la navigation de l'application UnionFlow
library app_router;

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../features/authentication/presentation/bloc/auth_bloc.dart';
import '../../features/authentication/presentation/pages/login_page.dart';
import '../../features/about/presentation/pages/about_page.dart';
import '../../features/help/presentation/pages/help_support_page.dart';
import '../../features/profile/presentation/pages/profile_page_wrapper.dart';
import '../../features/organizations/presentation/pages/organizations_page_wrapper.dart';
import '../../features/members/presentation/pages/members_page_wrapper.dart';
import '../../features/events/presentation/pages/events_page_wrapper.dart';
import '../../features/solidarity/presentation/pages/demandes_aide_page_wrapper.dart';
import '../../features/contributions/presentation/pages/contributions_page_wrapper.dart';
import '../../features/reports/presentation/pages/reports_page_wrapper.dart';
import '../../features/adhesions/presentation/pages/adhesions_page_wrapper.dart';
import '../../features/settings/presentation/pages/system_settings_page.dart';
import '../../features/dashboard/presentation/pages/advanced_dashboard_page.dart';
import '../../features/admin/presentation/pages/user_management_page.dart';
import '../../features/communication/presentation/pages/conversations_page.dart';
import '../../features/finance_workflow/presentation/pages/pending_approvals_page.dart';
import '../../features/finance_workflow/presentation/pages/budgets_list_page.dart';
import '../../core/navigation/main_navigation_layout.dart';
import '../../features/onboarding/presentation/pages/onboarding_flow_page.dart';

/// Configuration des routes de l'application
class AppRouter {
  /// Routes principales de l'application
  static Map<String, WidgetBuilder> get routes => {
    '/': (context) => BlocConsumer<AuthBloc, AuthState>(
      listener: (context, state) {
        // Compte bloqué (SUSPENDU / DESACTIVE) → dialog informatif
        if (state is AuthAccountNotActive) {
          showDialog<void>(
            context: context,
            barrierDismissible: false,
            builder: (_) => AlertDialog(
              icon: const Icon(
                Icons.lock_person_outlined,
                color: Color(0xFFB71C1C),
                size: 48,
              ),
              title: const Text('Accès refusé'),
              content: Text(state.message),
              actions: [
                ElevatedButton(
                  onPressed: () => Navigator.of(_).pop(),
                  child: const Text('OK'),
                ),
              ],
            ),
          );
        }
      },
      builder: (context, state) {
        if (state is AuthLoading) {
          return const Scaffold(
            body: Center(child: CircularProgressIndicator()),
          );
        } else if (state is AuthAuthenticated) {
          return const MainNavigationLayout();
        } else if (state is AuthPendingOnboarding) {
          // OrgAdmin EN_ATTENTE_VALIDATION → workflow d'onboarding
          return OnboardingFlowPage(
            onboardingState: state.onboardingState,
            organisationId: state.organisationId ?? '',
            souscriptionId: state.souscriptionId,
            typeOrganisation: state.typeOrganisation,
          );
        } else {
          return const LoginPage();
        }
      },
    ),
    '/login': (context) => const LoginPage(),
    '/about': (context) => const AboutPage(),
    '/help': (context) => const HelpSupportPage(),
    '/profile': (context) => const ProfilePageWrapper(),
    '/organizations': (context) => const OrganizationsPageWrapper(),
    '/members': (context) => const MembersPageWrapper(),
    '/events': (context) => const EventsPageWrapper(),
    '/solidarity': (context) => const DemandesAidePageWrapper(),
    '/reports': (context) => const ReportsPageWrapper(),
    '/finances': (context) => const CotisationsPageWrapper(),
    '/adhesions': (context) => const AdhesionsPageWrapper(),
    '/messages': (context) => const ConversationsPage(),
    '/settings': (context) => const SystemSettingsPage(),
    '/analytics': (context) {
      final authState = context.read<AuthBloc>().state;
      if (authState is AuthAuthenticated) {
        final orgId = authState.user.organizationContexts.isNotEmpty
            ? authState.user.organizationContexts.first.organizationId
            : '';
        return AdvancedDashboardPage(
          organizationId: orgId,
          userId: authState.user.id,
        );
      }
      return const LoginPage();
    },
    '/global-users': (context) => const UserManagementPage(),
    '/approvals': (context) => const PendingApprovalsPage(),
    '/budgets': (context) => const BudgetsListPage(),
  };

  /// Route initiale de l'application
  static const String initialRoute = '/';
}