game/lib/widgets/battle/battle_animation_widget.dart

import 'package:flutter/material.dart';
import '../../game/enums.dart';

class BattleAnimationWidget extends StatefulWidget {
  final Widget child;

  const BattleAnimationWidget({super.key, required this.child});

  @override
  BattleAnimationWidgetState createState() => BattleAnimationWidgetState();
}

class BattleAnimationWidgetState extends State<BattleAnimationWidget>
    with TickerProviderStateMixin {
  late AnimationController _scaleController;
  late AnimationController _translateController;
  late Animation<double> _scaleAnimation;
  late Animation<Offset> _translateAnimation;

  @override
  void initState() {
    super.initState();
    _scaleController = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 800),
    );
    _translateController = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 1000),
    );

    _scaleAnimation = Tween<double>(
      begin: 1.0,
      end: 2.0,
    ).animate(CurvedAnimation(parent: _scaleController, curve: Curves.easeOut));

    // Default translation, will be updated on animateAttack
    _translateAnimation = Tween<Offset>(
      begin: Offset.zero,
      end: Offset.zero,
    ).animate(_translateController);
  }

  @override
  void dispose() {
    _scaleController.dispose();
    _translateController.dispose();
    super.dispose();
  }

  Future<void> animateAttack(
    Offset targetOffset,
    VoidCallback onImpact,
    RiskLevel risk,
  ) async {
    if (risk == RiskLevel.safe || risk == RiskLevel.normal) {
      // Safe & Normal: Dash/Wobble without scale
      final isSafe = risk == RiskLevel.safe;
      final duration = isSafe ? 500 : 400;
      final offsetFactor = isSafe ? 0.2 : 0.5;

      _translateController.duration = Duration(milliseconds: duration);
      _translateAnimation =
          Tween<Offset>(
            begin: Offset.zero,
            end: targetOffset * offsetFactor,
          ).animate(
            CurvedAnimation(
              parent: _translateController,
              curve: Curves.easeOutQuad,
            ),
          );

      await _translateController.forward();
      if (!mounted) return;
      onImpact();
      await _translateController.reverse();
    } else {
      // Risky: Scale + Heavy Dash
      _scaleController.duration = const Duration(milliseconds: 600);
      _translateController.duration = const Duration(milliseconds: 500);

      // 1. Scale Up (Preparation)
      await _scaleController.forward();
      if (!mounted) return;

      // 2. Dash to Target (Impact)
      // Adjust offset to prevent complete overlap (stop slightly short) since both share the same layer stack
      final adjustedOffset = targetOffset * 0.5;

      _translateAnimation =
          Tween<Offset>(begin: Offset.zero, end: adjustedOffset).animate(
            CurvedAnimation(
              parent: _translateController,
              curve: Curves.easeInExpo, // Heavy impact curve
            ),
          );

      await _translateController.forward();
      if (!mounted) return;

      // 3. Impact Callback (Shake)
      onImpact();

      // 4. Return (Reset)
      _scaleController.reverse();
      _translateController.reverse();
    }
  }

  Future<void> animateDefense(VoidCallback onImpact) async {
    // Defense: Wobble/Shake horizontally
    _translateController.duration = const Duration(milliseconds: 800);

    // Sequence: Left -> Right -> Center
    _translateAnimation =
        TweenSequence<Offset>([
          TweenSequenceItem(
            tween: Tween<Offset>(begin: Offset.zero, end: const Offset(-10, 0)),
            weight: 25,
          ),
          TweenSequenceItem(
            tween: Tween<Offset>(
              begin: const Offset(-10, 0),
              end: const Offset(10, 0),
            ),
            weight: 50,
          ),
          TweenSequenceItem(
            tween: Tween<Offset>(begin: const Offset(10, 0), end: Offset.zero),
            weight: 25,
          ),
        ]).animate(
          CurvedAnimation(
            parent: _translateController,
            curve: Curves.easeInOut,
          ),
        );

    await _translateController.forward();
    if (!mounted) return;
    onImpact();
    _translateController.reset();
  }

  @override
  Widget build(BuildContext context) {
    return AnimatedBuilder(
      animation: Listenable.merge([_scaleController, _translateController]),
      builder: (context, child) {
        return Transform.translate(
          offset: _translateAnimation.value,
          child: Transform.scale(
            scale: _scaleAnimation.value,
            child: widget.child,
          ),
        );
      },
    );
  }
}