import 'package:flutter/material.dart';
import '../Controllers/register_controller.dart';

class RegisterHeader extends StatelessWidget {
  const RegisterHeader({super.key});

  @override
  Widget build(BuildContext context) {
    final screenWidth = MediaQuery.of(context).size.width;
    
    // Mesma lógica de tamanhos do Login
    final logoSize = screenWidth > 600 ? 150.0 : 100.0; 
    final titleFontSize = screenWidth > 600 ? 48.0 : 36.0;
    final subtitleFontSize = screenWidth > 600 ? 22.0 : 18.0;

    return Column(
      children: [
        Icon(
          Icons.person_add_outlined, 
          size: logoSize, 
          color: const Color(0xFFE74C3C)
        ),
        const SizedBox(height: 10),
        Text(
          'Nova Conta',
          style: TextStyle(
            fontSize: titleFontSize,
            fontWeight: FontWeight.bold,
            color: Colors.grey[900],
          ),
        ),
        const SizedBox(height: 5),
        Text(
          'Cria o teu perfil no BasketTrack',
          style: TextStyle(
            fontSize: subtitleFontSize,
            color: Colors.grey[600],
            fontWeight: FontWeight.w500,
          ),
          textAlign: TextAlign.center,
        ),
      ],
    );
  }
}

class RegisterFormFields extends StatefulWidget {
  final RegisterController controller;
  

  const RegisterFormFields({super.key, required this.controller});

  @override
  State<RegisterFormFields> createState() => _RegisterFormFieldsState();
}

class _RegisterFormFieldsState extends State<RegisterFormFields> {
  bool _obscurePassword = true;

  @override
  Widget build(BuildContext context) {
    final screenWidth = MediaQuery.of(context).size.width;
    // Padding vertical idêntico ao login
    final verticalPadding = screenWidth > 600 ? 22.0 : 16.0;

    return Column(
      children: [
        TextField(
          controller: widget.controller.emailController,
          decoration: InputDecoration(
            labelText: 'E-mail',
            prefixIcon: const Icon(Icons.email_outlined),
            // O erro agora vem diretamente do controller
            errorText: widget.controller.emailError, 
            border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
            contentPadding: EdgeInsets.symmetric(vertical: verticalPadding, horizontal: 16),
          ),
          keyboardType: TextInputType.emailAddress,
        ),
        const SizedBox(height: 20),

        // Campo Password
        TextField(
          controller: widget.controller.passwordController,
          obscureText: _obscurePassword,
          decoration: InputDecoration(
            labelText: 'Palavra-passe',
            prefixIcon: const Icon(Icons.lock_outlined),
            errorText: widget.controller.passwordError,
            suffixIcon: IconButton(
              icon: Icon(_obscurePassword ? Icons.visibility_outlined : Icons.visibility_off_outlined),
              onPressed: () => setState(() => _obscurePassword = !_obscurePassword),
            ),
            border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
            contentPadding: EdgeInsets.symmetric(vertical: verticalPadding, horizontal: 16),
          ),
        ),
        const SizedBox(height: 20),

        // Campo Confirmar Password
        TextField(
          controller: widget.controller.confirmPasswordController,
          obscureText: _obscurePassword,
          decoration: InputDecoration(
            labelText: 'Confirmar Palavra-passe',
            prefixIcon: const Icon(Icons.lock_clock_outlined),
            errorText: widget.controller.confirmPasswordError,
            border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
            contentPadding: EdgeInsets.symmetric(vertical: verticalPadding, horizontal: 16),
          ),
        ),
      ],
    );
  }
}

class RegisterButton extends StatelessWidget {
  final RegisterController controller;
  final VoidCallback onRegisterSuccess;

  const RegisterButton({
    super.key,
    required this.controller,
    required this.onRegisterSuccess,
  });

  @override
  Widget build(BuildContext context) {
    final screenWidth = MediaQuery.of(context).size.width;
    
    // Mesmos tamanhos exatos do LoginButton
    final buttonHeight = screenWidth > 600 ? 70.0 : 58.0;
    final fontSize = screenWidth > 600 ? 22.0 : 18.0;

    return SizedBox(
      width: double.infinity,
      height: buttonHeight,
      child: ElevatedButton(
        onPressed: controller.isLoading ? null : () async {
          final success = await controller.signUp();
          if (success) {
            onRegisterSuccess();
          }
        },
        style: ElevatedButton.styleFrom(
          backgroundColor: const Color(0xFFE74C3C),
          foregroundColor: Colors.white,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(14),
          ),
          elevation: 3,
        ),
        child: controller.isLoading
            ? const SizedBox(
                width: 28,
                height: 28,
                child: CircularProgressIndicator(
                  strokeWidth: 3,
                  valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
                ),
              )
            : Text(
                'Criar Conta',
                style: TextStyle(
                  fontSize: fontSize,
                  fontWeight: FontWeight.w700,
                ),
              ),
      ),
    );
  }
}