import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:p_tits_pas/models/am_user_registration_data.dart';
import 'package:p_tits_pas/screens/auth/am/am_register_step1_sceen.dart';
import 'package:p_tits_pas/screens/auth/am/am_register_step2_sceen.dart';
import 'package:p_tits_pas/screens/auth/am/am_register_step3_sceen.dart';
import 'package:p_tits_pas/screens/auth/am/am_register_step4_sceen.dart';
import '../screens/auth/login_screen.dart';
import '../screens/auth/register_choice_screen.dart';
import '../screens/auth/parent/parent_register_step1_screen.dart';
import '../screens/auth/parent/parent_register_step2_screen.dart';
import '../screens/auth/parent/parent_register_step3_screen.dart';
import '../screens/auth/parent/parent_register_step4_screen.dart';
import '../screens/auth/parent/parent_register_step5_screen.dart';
import '../screens/home/home_screen.dart';
import '../models/parent_user_registration_data.dart';

class AppRouter {
  static const String login = '/login';
  static const String registerChoice = '/register-choice';
  static const String parentRegisterStep1 = '/parent-register/step1';
  static const String parentRegisterStep2 = '/parent-register/step2';
  static const String parentRegisterStep3 = '/parent-register/step3';
  static const String parentRegisterStep4 = '/parent-register/step4';
  static const String parentRegisterStep5 = '/parent-register/step5';

  static const String amRegisterStep1 = '/am-register/step1';
  static const String amRegisterStep2 = '/am-register/step2';
  static const String amRegisterStep3 = '/am-register/step3';
  static const String amRegisterStep4 = '/am-register/step4';
  static const String home = '/home';

  static Route<dynamic> generateRoute(RouteSettings settings) {
    Widget screen;
    bool slideTransition = false;
    Object? args = settings.arguments;

    Widget buildErrorScreen(String step) {
      print("Erreur: Données UserRegistrationData manquantes ou de mauvais type pour l'étape $step");
      return const ParentRegisterStep1Screen();
    }

    switch (settings.name) {
      case login:
        screen = const LoginPage();
        break;
      case registerChoice:
        screen = const RegisterChoiceScreen();
        slideTransition = true;
        break;
      case parentRegisterStep1:
        screen = const ParentRegisterStep1Screen();
        slideTransition = true;
        break;
      case parentRegisterStep2:
        if (args is UserRegistrationData) {
          screen = ParentRegisterStep2Screen(registrationData: args);
        } else {
          screen = buildErrorScreen('2');
        }
        slideTransition = true;
        break;
      case parentRegisterStep3:
        if (args is UserRegistrationData) {
          screen = ParentRegisterStep3Screen(registrationData: args);
        } else {
          screen = buildErrorScreen('3');
        }
        slideTransition = true;
        break;
      case parentRegisterStep4:
        if (args is UserRegistrationData) {
          screen = ParentRegisterStep4Screen(registrationData: args);
        } else {
          screen = buildErrorScreen('4');
        }
        slideTransition = true;
        break;
      case parentRegisterStep5:
        if (args is UserRegistrationData) {
          screen = ParentRegisterStep5Screen(registrationData: args);
        } else {
          screen = buildErrorScreen('5');
        }
        slideTransition = true;
        break;
      case amRegisterStep1:
        screen = const AmRegisterStep1Screen();
        slideTransition = true;
        break;
      case amRegisterStep2:
        if (args is ChildminderRegistrationData) {
          screen = AmRegisterStep2Screen(registrationData: args);
        } else {
          screen = AmRegisterStep2Screen(registrationData: ChildminderRegistrationData());
        }
        slideTransition = true;
        break;
      case amRegisterStep3:
        if (args is ChildminderRegistrationData) {
          screen = AmRegisterStep3Screen(registrationData: args);
        } else {
          screen = AmRegisterStep3Screen(registrationData: ChildminderRegistrationData());
        }
        slideTransition = true;
        break;
      case amRegisterStep4:
        if (args is ChildminderRegistrationData) {
          screen = AmRegisterStep4Screen(registrationData: args);
        } else {
          screen = AmRegisterStep4Screen(registrationData: ChildminderRegistrationData());
        }
        slideTransition = true;
        break;
      case home:
        screen = const HomeScreen();
        break;
      default:
        screen = Scaffold(
          body: Center(
            child: Text('Route non définie : ${settings.name}'),
          ),
        );
    }

    if (slideTransition) {
      return PageRouteBuilder(
        pageBuilder: (context, animation, secondaryAnimation) => screen,
        transitionsBuilder: (context, animation, secondaryAnimation, child) {
          const begin = Offset(1.0, 0.0);
          const end = Offset.zero;
          const curve = Curves.easeInOut;
          var tween = Tween(begin: begin, end: end).chain(CurveTween(curve: curve));
          var offsetAnimation = animation.drive(tween);
          return SlideTransition(position: offsetAnimation, child: child);
        },
        transitionDuration: const Duration(milliseconds: 400),
      );
    } else {
      return MaterialPageRoute(builder: (_) => screen);
    }
  }
}