import 'package:flutter/material.dart';

/// タップ時に軽く沈み込むスケールアニメーションを付与するラッパー。
/// 既存の GestureDetector / InkWell の代わりに使用する。
class Pressable extends StatefulWidget {
  const Pressable({
    super.key,
    required this.child,
    this.onTap,
    this.scale = 0.97,
    this.duration = const Duration(milliseconds: 100),
  });

  final Widget child;
  final VoidCallback? onTap;
  final double scale;
  final Duration duration;

  @override
  State<Pressable> createState() => _PressableState();
}

class _PressableState extends State<Pressable> {
  bool _pressed = false;

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTapDown: (_) => setState(() => _pressed = true),
      onTapUp: (_) {
        setState(() => _pressed = false);
        widget.onTap?.call();
      },
      onTapCancel: () => setState(() => _pressed = false),
      child: AnimatedScale(
        scale: _pressed ? widget.scale : 1.0,
        duration: widget.duration,
        curve: Curves.easeOut,
        child: widget.child,
      ),
    );
  }
}