import 'package:flutter/material.dart';
import 'package:p_tits_pas/models/user.dart';
import 'package:p_tits_pas/screens/administrateurs/creation/gestionnaires_create.dart';
import 'package:p_tits_pas/services/user_service.dart';
import 'package:p_tits_pas/widgets/admin/common/admin_user_card.dart';
import 'package:p_tits_pas/widgets/admin/common/user_list.dart';

class AdminManagementWidget extends StatefulWidget {
  final String searchQuery;

  const AdminManagementWidget({
    super.key,
    required this.searchQuery,
  });

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

class _AdminManagementWidgetState extends State<AdminManagementWidget> {
  bool _isLoading = false;
  String? _error;
  List<AppUser> _admins = [];

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

  @override
  void dispose() => super.dispose();

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

  Future<void> _openAdminEditDialog(AppUser user) async {
    final changed = await showDialog<bool>(
      context: context,
      barrierDismissible: false,
      builder: (dialogContext) {
        return AdminUserFormDialog(
          initialUser: user,
          adminMode: true,
          withRelais: false,
        );
      },
    );
    if (changed == true) {
      await _loadAdmins();
    }
  }

  @override
  Widget build(BuildContext context) {
    final query = widget.searchQuery.toLowerCase();
    final filteredAdmins = _admins.where((u) {
      final name = u.fullName.toLowerCase();
      final email = u.email.toLowerCase();
      return name.contains(query) || email.contains(query);
    }).toList();

    return UserList(
      isLoading: _isLoading,
      error: _error,
      isEmpty: filteredAdmins.isEmpty,
      emptyMessage: 'Aucun administrateur trouvé.',
      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: () {
                _openAdminEditDialog(user);
              },
            ),
          ],
        );
      },
    );
  }
}