PlayMaker/lib/widgets/login_widgets.dart

  import 'package:flutter/material.dart';
import 'package:playmaker/controllers/login_controller.dart';
import 'package:playmaker/pages/RegisterPage.dart';

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

    @override
    Widget build(BuildContext context) {
      final screenWidth = MediaQuery.of(context).size.width;
      
      // TAMANHOS AUMENTADOS para tablets
      final logoSize = screenWidth > 600 ? 400.0 : 300.0; // ↑ Aumentado
      final titleFontSize = screenWidth > 600 ? 48.0 : 36.0; // ↑ Aumentado
      final subtitleFontSize = screenWidth > 600 ? 22.0 : 18.0; // ↑ Aumentado

      return Column(
        children: [
          Container(
            width: logoSize,
            height: logoSize,
            child: Image.asset(
              'assets/playmaker-logo.png',
              fit: BoxFit.contain,
            ),
          ),
        SizedBox(height: screenWidth > 600 ? 1.0 : 1.0), 
          
          Text(
            'BasketTrack',
            style: TextStyle(
              fontSize: titleFontSize,
              fontWeight: FontWeight.bold,
              color: Colors.grey[900],
            ),
          ),
          SizedBox(height: screenWidth > 600 ? 1.0 : 1.0), 
          
          Text(
            'Gere as tuas equipas e estatísticas',
            style: TextStyle(
              fontSize: subtitleFontSize,
              color: Colors.grey[600],
              fontWeight: FontWeight.w500, // ↑ Adicionado peso da fonte
            ),
            textAlign: TextAlign.center,
          ),
        ],
      );
    }
  }

  class LoginFormFields extends StatelessWidget {
    final LoginController controller;

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

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

    return Column(
      children: [
        TextField(
          controller: controller.emailController,
          decoration: InputDecoration(
            labelText: 'E-mail',
            prefixIcon: const Icon(Icons.email_outlined),
            // O erro agora vem diretamente do controller
            errorText: controller.emailError, 
            border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
            contentPadding: EdgeInsets.symmetric(vertical: verticalPadding, horizontal: 16),
          ),
          keyboardType: TextInputType.emailAddress,
        ),
        const SizedBox(height: 20),
        TextField(
          controller: controller.passwordController,
          obscureText: controller.obscurePassword,
          decoration: InputDecoration(
            labelText: 'Palavra-passe',
            prefixIcon: const Icon(Icons.lock_outlined),
            errorText: controller.passwordError,
            suffixIcon: IconButton(
              icon: Icon(controller.obscurePassword 
                  ? Icons.visibility_outlined 
                  : Icons.visibility_off_outlined),
              onPressed: controller.togglePasswordVisibility,
            ),
            border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
            contentPadding: EdgeInsets.symmetric(vertical: verticalPadding, horizontal: 16),
          ),
        ),
      ],
    );
  }
}
  class LoginButton extends StatelessWidget {
    final LoginController controller;
    final VoidCallback onLoginSuccess;

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

    @override
    Widget build(BuildContext context) {
      final screenWidth = MediaQuery.of(context).size.width;
      
      // BOTÕES MAIORES
      final buttonHeight = screenWidth > 600 ? 70.0 : 58.0; // ↑ Aumentado
      final fontSize = screenWidth > 600 ? 22.0 : 18.0; // ↑ Aumentado

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

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

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

    return SizedBox(
      width: double.infinity,
      height: buttonHeight,
      child: OutlinedButton(
        onPressed: () {
          // Navega para a página de registo que criaste
          Navigator.push(
            context,
            MaterialPageRoute(builder: (context) => const RegisterPage()),
          );
        },
        style: OutlinedButton.styleFrom(
          foregroundColor: const Color(0xFFE74C3C),
          side: const BorderSide(color: Color(0xFFE74C3C), width: 2),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(14),
          ),
        ),
        child: Text(
          'Criar Conta',
          style: TextStyle(
            fontSize: fontSize,
            fontWeight: FontWeight.w700,
          ),
        ),
      ),
    );
  }
}