import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:p_tits_pas/models/am_user_registration_data.dart';
import 'package:p_tits_pas/models/card_assets.dart';
import 'package:p_tits_pas/utils/data_generator.dart';
import 'package:p_tits_pas/widgets/FormFieldConfig.dart';
import 'dart:math' as math;

class AmRegisterStep2Screen extends StatefulWidget {
  final ChildminderRegistrationData registrationData;
  const AmRegisterStep2Screen({super.key, required this.registrationData});

  @override
  State<AmRegisterStep2Screen> createState() => _AmRegisterStep2ScreenState();
}

class _AmRegisterStep2ScreenState extends State<AmRegisterStep2Screen> {
  final _formKey = GlobalKey<FormState>();
  late ChildminderRegistrationData _registrationData;

  final _dateOfBirthController = TextEditingController();
  final _birthCityController = TextEditingController();
  final _birthCountryController = TextEditingController();
  final _socialSecurityController = TextEditingController();
  final _agreementNumberController = TextEditingController();
  final _maxChildrenController = TextEditingController();

  @override
  void initState() {
    super.initState();
    _registrationData = widget.registrationData;
    _generateAndFillData();
  }

  void _generateAndFillData() {
    _dateOfBirthController.text = DataGenerator.birthDate();
    _birthCityController.text = DataGenerator.city();
    _birthCountryController.text = "France";
    _socialSecurityController.text = DataGenerator.socialSecurityNumber();
    _agreementNumberController.text = DataGenerator.agreementNumber();
    _maxChildrenController.text = "3";
  }

  @override
  void dispose() {
    _dateOfBirthController.dispose();
    _birthCityController.dispose();
    _birthCountryController.dispose();
    _socialSecurityController.dispose();
    _agreementNumberController.dispose();
    _maxChildrenController.dispose();
    super.dispose();
  }

  String? _validateSocialSecurity(String? value) {
    if (value == null || value.isEmpty)
      return 'Numéro de sécurité sociale requis';

    // Supprime les espaces pour la validation
    String cleanValue = value.replaceAll(' ', '');

    // Vérifie que c'est bien 13 ou 15 chiffres
    if (cleanValue.length != 13 && cleanValue.length != 15) {
      return 'Format invalide (13 ou 15 chiffres)';
    }

    if (!RegExp(r'^[0-9]+$').hasMatch(cleanValue)) {
      return 'Seuls les chiffres sont autorisés';
    }

    return null;
  }

  List<List<ModularFormField>> get formFields => [
        [
          ModularFormField(
            label: 'Date de naissance',
            hint: 'JJ/MM/AAAA',
            controller: _dateOfBirthController,
            keyboardType: TextInputType.datetime,
            isRequired: true,
            validator: (value) {
              if (value == null || value.isEmpty)
                return 'Date de naissance requise';
              // Validation basique du format de date
              if (!RegExp(r'^[0-3][0-9]/[0-1][0-9]/[1-2][0-9]{3}$')
                  .hasMatch(value)) {
                return 'Format invalide (JJ/MM/AAAA)';
              }
              return null;
            },
            flex: 12,
          ),
        ],
        [
          ModularFormField(
            label: 'Ville de naissance',
            hint: 'Votre ville de naissance',
            controller: _birthCityController,
            isRequired: true,
            flex: 12,
          ),
          ModularFormField(
            label: 'Pays de naissance',
            hint: 'Votre pays de naissance',
            controller: _birthCountryController,
            isRequired: true,
            flex: 12,
          ),
        ],
        [
          ModularFormField(
            label: 'Numéro de Sécurité Sociale (NIR)',
            hint: '1234567890123',
            controller: _socialSecurityController,
            keyboardType: TextInputType.number,
            isRequired: true,
            validator: _validateSocialSecurity,
          ),
        ],
        [
          ModularFormField(
            label: 'Numéro d\'agrément',
            hint: 'Votre numéro d\'agrément',
            controller: _agreementNumberController,
            isRequired: true,
            flex: 12,
          ),
          ModularFormField(
            label: 'Nombre d\'enfants max',
            hint: 'Ex: 3',
            controller: _maxChildrenController,
            keyboardType: TextInputType.number,
            isRequired: true,
            validator: (value) {
              if (value == null || value.isEmpty) return 'Nombre requis';
              int? number = int.tryParse(value);
              if (number == null || number < 1 || number > 6) {
                return 'Entre 1 et 6 enfants';
              }
              return null;
            },
            flex: 6,
          ),
        ],
      ];
  void _handleSubmit() {
    print('Vérification des données2:');
      print('Adresse: ${_registrationData.identity.address}');
      print('Nom: ${_registrationData.identity.lastName}');
      print('Prénom: ${_registrationData.identity.firstName}');
    if (_formKey.currentState?.validate() ?? false) {
      _registrationData.updateProfessional(
        ChildminderProfessional(
          dateOfBirth: _dateOfBirthController.text,
          birthCity: _birthCityController.text,
          birthCountry: _birthCountryController.text,
          socialSecurityNumber: _socialSecurityController.text,
          agreementNumber: _agreementNumberController.text,
          maxChildren: int.tryParse(_maxChildrenController.text) ?? 1,
        ),
      );

      Navigator.pushNamed(context, '/am-register/step3',
          arguments: _registrationData);
    }
  }

  @override
  Widget build(BuildContext context) {
    final screenSize = MediaQuery.of(context).size;

    return Scaffold(
      body: Stack(
        children: [
          Positioned.fill(
            child: Image.asset(
              'assets/images/paper2.png',
              fit: BoxFit.cover,
              repeat: ImageRepeat.repeat,
            ),
          ),
          Center(
            child: SingleChildScrollView(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  Text(
                    'Étape 2/4',
                    style: GoogleFonts.merienda(
                        fontSize: 16, color: Colors.black54),
                  ),
                  const SizedBox(height: 10),
                  Text(
                    'Informations de l\'assistante maternelle',
                    style: GoogleFonts.merienda(
                      fontSize: 24,
                      fontWeight: FontWeight.bold,
                      color: Colors.black87,
                    ),
                    textAlign: TextAlign.center,
                  ),
                  const SizedBox(height: 30),
                  Container(
                    width: screenSize.width * 0.6,
                    padding: const EdgeInsets.symmetric(
                        vertical: 50, horizontal: 50),
                    constraints: const BoxConstraints(minHeight: 570),
                    decoration: BoxDecoration(
                      image: DecorationImage(
                        image: AssetImage(CardColorHorizontal.peach.path),
                        fit: BoxFit.fill,
                      ),
                    ),
                    child: ModularForm(
                      formKey: _formKey,
                      fieldGroups: formFields,
                    ),
                  ),
                ],
              ),
            ),
          ),
          Positioned(
            top: screenSize.height / 2 - 20,
            left: 40,
            child: IconButton(
              icon: Transform(
                alignment: Alignment.center,
                transform: Matrix4.rotationY(math.pi),
                child:
                    Image.asset('assets/images/chevron_right.png', height: 40),
              ),
              onPressed: () => Navigator.pop(context),
              tooltip: 'Retour',
            ),
          ),
          Positioned(
            top: screenSize.height / 2 - 20,
            right: 40,
            child: IconButton(
              icon: Image.asset('assets/images/chevron_right.png', height: 40),
              onPressed: _handleSubmit,
              tooltip: 'Suivant',
            ),
          ),
        ],
      ),
    );
  }
}