import 'package:flutter/material.dart';
import 'package:p_tits_pas/models/user.dart';
import 'package:p_tits_pas/services/user_service.dart';
import 'package:p_tits_pas/widgets/admin/common/admin_list_header.dart';
import 'package:p_tits_pas/widgets/admin/common/admin_list_state.dart';
import 'package:p_tits_pas/widgets/admin/common/admin_user_card.dart';

class AdminManagementWidget extends StatefulWidget {
  const AdminManagementWidget({super.key});

  @override
  State<AdminManagementWidget> createState() => _AdminManagementWidgetState();
}

class _AdminManagementWidgetState extends State<AdminManagementWidget> {
  bool _isLoading = false;
  String? _error;
  List<AppUser> _admins = [];
  List<AppUser> _filteredAdmins = [];
  final TextEditingController _searchController = TextEditingController();

  @override
  void initState() {
    super.initState();
    _loadAdmins();
    _searchController.addListener(_onSearchChanged);
  }

  @override
  void dispose() {
    _searchController.dispose();
    super.dispose();
  }

  Future<void> _loadAdmins() async {
    setState(() {
      _isLoading = true;
      _error = null;
    });
    try {
      final list = await UserService.getAdministrateurs();
      if (!mounted) return;
      setState(() {
        _admins = list;
        _filteredAdmins = list;
        _isLoading = false;
      });
    } catch (e) {
      if (!mounted) return;
      setState(() {
        _error = e.toString();
        _isLoading = false;
      });
    }
  }

  void _onSearchChanged() {
    final query = _searchController.text.toLowerCase();
    setState(() {
      _filteredAdmins = _admins.where((u) {
        final name = u.fullName.toLowerCase();
        final email = u.email.toLowerCase();
        return name.contains(query) || email.contains(query);
      }).toList();
    });
  }

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.all(16),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          AdminListHeader(
            searchController: _searchController,
            searchHint: 'Rechercher un administrateur...',
            actionLabel: 'Créer un admin',
            onActionPressed: () {
              // TODO: Créer admin
            },
          ),
          const SizedBox(height: 16),
          AdminListState(
            isLoading: _isLoading,
            error: _error,
            isEmpty: _filteredAdmins.isEmpty,
            emptyMessage: 'Aucun administrateur trouvé.',
            list: ListView.builder(
              itemCount: _filteredAdmins.length,
              itemBuilder: (context, index) {
                final user = _filteredAdmins[index];
                return AdminUserCard(
                  title: user.fullName,
                  subtitleLines: [
                    user.email,
                    'Rôle : ${user.role}',
                  ],
                  avatarUrl: user.photoUrl,
                  actions: [
                    IconButton(
                      icon: const Icon(Icons.edit),
                      tooltip: 'Modifier',
                      onPressed: () {
                        // TODO: Modifier admin
                      },
                    ),
                    IconButton(
                      icon: const Icon(Icons.delete),
                      tooltip: 'Supprimer',
                      onPressed: () {
                        // TODO: Supprimer admin
                      },
                    ),
                  ],
                );
              },
            ),
          ),
        ],
      ),
    );
  }
}