import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:barber_app/core/theme/app_theme.dart';
import 'package:barber_app/core/constants/app_strings.dart';
import 'package:barber_app/features/auth/presentation/bloc/auth_bloc.dart';
import 'package:barber_app/features/home/presentation/pages/home_page.dart';
import 'package:barber_app/shared/widgets/custom_text_field.dart';
import 'package:barber_app/shared/widgets/loading_button.dart';

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

  @override
  State<RegisterPage> createState() => _RegisterPageState();
}

class _RegisterPageState extends State<RegisterPage> {
  final _formKey = GlobalKey<FormState>();
  final _emailController = TextEditingController();
  final _passwordController = TextEditingController();
  final _confirmPasswordController = TextEditingController();
  final _barberNameController = TextEditingController();
  final _barberShopNameController = TextEditingController();
  bool _obscurePassword = true;
  bool _obscureConfirmPassword = true;

  @override
  void dispose() {
    _emailController.dispose();
    _passwordController.dispose();
    _confirmPasswordController.dispose();
    _barberNameController.dispose();
    _barberShopNameController.dispose();
    super.dispose();
  }

  void _onRegister() {
    if (_formKey.currentState?.validate() ?? false) {
      context.read<AuthBloc>().add(AuthRegisterRequested(
        email: _emailController.text,
        password: _passwordController.text,
        barberName: _barberNameController.text,
        barberShopName: _barberShopNameController.text,
      ));
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text(AppStrings.createAccount),
        leading: IconButton(
          icon: const Icon(Icons.arrow_back_ios),
          onPressed: () => Navigator.of(context).pop(),
        ),
      ),
      body: BlocListener<AuthBloc, AuthState>(
        listener: (context, state) {
          if (state is AuthAuthenticated) {
            Navigator.of(context).pushAndRemoveUntil(
              MaterialPageRoute(builder: (_) => const HomePage()),
              (route) => false,
            );
          } else if (state is AuthError) {
            ScaffoldMessenger.of(context).showSnackBar(
              SnackBar(
                content: Text(state.message),
                backgroundColor: AppColors.error,
              ),
            );
          }
        },
        child: SafeArea(
          child: SingleChildScrollView(
            padding: const EdgeInsets.symmetric(horizontal: 24),
            child: Form(
              key: _formKey,
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.stretch,
                children: [
                  const SizedBox(height: 24),
                  // Dados da barbearia
                  _buildSectionTitle('Dados da Barbearia'),
                  const SizedBox(height: 16),
                  CustomTextField(
                    controller: _barberShopNameController,
                    label: AppStrings.barberShopName,
                    hint: 'Ex: Barbearia do João',
                    prefixIcon: Icons.store_outlined,
                    validator: (value) {
                      if (value == null || value.isEmpty) {
                        return 'Informe o nome da barbearia';
                      }
                      return null;
                    },
                  ),
                  const SizedBox(height: 16),
                  CustomTextField(
                    controller: _barberNameController,
                    label: AppStrings.barberName,
                    hint: 'Seu nome',
                    prefixIcon: Icons.person_outline,
                    validator: (value) {
                      if (value == null || value.isEmpty) {
                        return 'Informe seu nome';
                      }
                      return null;
                    },
                  ),
                  const SizedBox(height: 32),
                  // Dados de acesso
                  _buildSectionTitle('Dados de Acesso'),
                  const SizedBox(height: 16),
                  CustomTextField(
                    controller: _emailController,
                    label: AppStrings.email,
                    hint: 'seu@email.com',
                    keyboardType: TextInputType.emailAddress,
                    prefixIcon: Icons.email_outlined,
                    validator: (value) {
                      if (value == null || value.isEmpty) {
                        return 'Informe o e-mail';
                      }
                      if (!value.contains('@')) {
                        return AppStrings.invalidEmail;
                      }
                      return null;
                    },
                  ),
                  const SizedBox(height: 16),
                  CustomTextField(
                    controller: _passwordController,
                    label: AppStrings.password,
                    hint: 'Mínimo 6 caracteres',
                    obscureText: _obscurePassword,
                    prefixIcon: Icons.lock_outline,
                    suffixIcon: IconButton(
                      icon: Icon(
                        _obscurePassword ? Icons.visibility_off : Icons.visibility,
                        color: AppColors.textSecondary,
                      ),
                      onPressed: () {
                        setState(() {
                          _obscurePassword = !_obscurePassword;
                        });
                      },
                    ),
                    validator: (value) {
                      if (value == null || value.isEmpty) {
                        return 'Informe a senha';
                      }
                      if (value.length < 6) {
                        return AppStrings.weakPassword;
                      }
                      return null;
                    },
                  ),
                  const SizedBox(height: 16),
                  CustomTextField(
                    controller: _confirmPasswordController,
                    label: AppStrings.confirmPassword,
                    hint: 'Repita a senha',
                    obscureText: _obscureConfirmPassword,
                    prefixIcon: Icons.lock_outline,
                    suffixIcon: IconButton(
                      icon: Icon(
                        _obscureConfirmPassword ? Icons.visibility_off : Icons.visibility,
                        color: AppColors.textSecondary,
                      ),
                      onPressed: () {
                        setState(() {
                          _obscureConfirmPassword = !_obscureConfirmPassword;
                        });
                      },
                    ),
                    validator: (value) {
                      if (value == null || value.isEmpty) {
                        return 'Confirme a senha';
                      }
                      if (value != _passwordController.text) {
                        return AppStrings.passwordsDontMatch;
                      }
                      return null;
                    },
                  ),
                  const SizedBox(height: 32),
                  // Botão de registro
                  BlocBuilder<AuthBloc, AuthState>(
                    builder: (context, state) {
                      return LoadingButton(
                        text: AppStrings.createAccount,
                        isLoading: state is AuthLoading,
                        onPressed: _onRegister,
                      );
                    },
                  ),
                  const SizedBox(height: 16),
                  // Link para login
                  Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      Text(
                        'Já tem uma conta? ',
                        style: TextStyle(color: AppColors.textSecondary),
                      ),
                      TextButton(
                        onPressed: () => Navigator.of(context).pop(),
                        child: Text(
                          AppStrings.login,
                          style: TextStyle(
                            color: AppColors.primaryColor,
                            fontWeight: FontWeight.bold,
                          ),
                        ),
                      ),
                    ],
                  ),
                  const SizedBox(height: 24),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }

  Widget _buildSectionTitle(String title) {
    return Text(
      title,
      style: Theme.of(context).textTheme.titleMedium?.copyWith(
        color: AppColors.primaryColor,
        fontWeight: FontWeight.bold,
      ),
    );
  }
}