import 'package:flutter/material.dart';

class SubmitButton extends StatefulWidget {
  const SubmitButton({
    super.key,
    required this.onPressed,
    this.label = 'Analisis',
    this.colors = const [Color(0xFF6C63FF), Color(0xFF48CAE4)],
  });

  final VoidCallback onPressed;
  final String label;
  final List<Color> colors;

  @override
  State<SubmitButton> createState() => _SubmitButtonState();
}

class _SubmitButtonState extends State<SubmitButton>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  late Animation<double> _scaleAnim;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 120),
      lowerBound: 0.0,
      upperBound: 0.05,
    );
    _scaleAnim = Tween<double>(
      begin: 1.0,
      end: 0.95,
    ).animate(CurvedAnimation(parent: _controller, curve: Curves.easeInOut));
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTapDown: (_) => _controller.forward(),
      onTapUp: (_) {
        _controller.reverse();
        widget.onPressed();
      },
      onTapCancel: () => _controller.reverse(),
      child: ScaleTransition(
        scale: _scaleAnim,
        child: Container(
          height: 54,
          decoration: BoxDecoration(
            borderRadius: BorderRadius.circular(16),
            gradient: LinearGradient(
              colors: widget.colors,
              begin: Alignment.centerLeft,
              end: Alignment.centerRight,
            ),
            boxShadow: [
              BoxShadow(
                color: widget.colors.first.withAlpha(80),
                blurRadius: 16,
                offset: const Offset(0, 6),
              ),
            ],
          ),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              const Icon(Icons.analytics_outlined, color: Colors.white, size: 20),
              const SizedBox(width: 8),
              Text(
                widget.label,
                style: const TextStyle(
                  color: Colors.white,
                  fontSize: 16,
                  fontWeight: FontWeight.w600,
                  letterSpacing: 0.5,
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}