using System;
using System.Collections.Generic;
using System.Threading;
using Code.Infrastructure.UI;
using Code.OfficeGame.BattleMode.Actions;
using Cysharp.Threading.Tasks;
using LitMotion;
using LitMotion.Extensions;
using UnityEngine;

namespace Code.OfficeGame.BattleMode.UI
{
    public class BattleActionDecisionPanel : UIPanel
    {
        [SerializeField] private float duration = 0.35f;
        [SerializeField] private BattleActionDecisionButton actionButtonPrefab;

        private List<BattleActionDecisionButton> _actionButtons = new();
        
        private MotionHandle _motionHandle;
        private UniTaskCompletionSource<BattleActionType> _decisionCompletionSource;

        public void SetEntityInfo(Dictionary<BattleActionType, BattleAction> battleActions)
        {
            foreach (var button in _actionButtons) Destroy(button.gameObject);
            
            _actionButtons.Clear();
            
            foreach (var action in battleActions.Keys)
            {
                var button = Instantiate(actionButtonPrefab, transform);
                
                _actionButtons.Add(button);
                
                button.button.onClick.AddListener(() => _decisionCompletionSource.TrySetResult(action));
                
                button.text.text = action.ToString();
            }
        }
        
        public async UniTask<BattleActionType> GetDecision(CancellationToken cts)
        {
            try
            {
                _decisionCompletionSource = new();

                var result = await _decisionCompletionSource.Task
                    .AttachExternalCancellation(cts);
                
                return result;
            }
            catch (OperationCanceledException ex)
            {
                return BattleActionType.None;
            }
        }

        public override async UniTask Open(CancellationToken cts = default)
        {
            gameObject.SetActive(true);

            float startY = -((RectTransform)transform).rect.height;
            float targetY = 0f;

            _motionHandle = LMotion.Create(startY, targetY, duration)
                .WithEase(Ease.OutCubic)
                .WithScheduler(MotionScheduler.UpdateIgnoreTimeScale)
                .BindToAnchoredPositionY(((RectTransform)transform));

            await _motionHandle.ToUniTask(cts);
        }

        public override async UniTask Close(CancellationToken cts = default)
        {
            float startY = ((RectTransform)transform).anchoredPosition.y;
            float targetY = -((RectTransform)transform).rect.height;

            _motionHandle = LMotion.Create(startY, targetY, duration)
                .WithEase(Ease.InBack)
                .WithScheduler(MotionScheduler.UpdateIgnoreTimeScale) 
                .BindToAnchoredPositionY((RectTransform)transform);
            
            await _motionHandle.ToUniTask(cts);
            
            gameObject.SetActive(true);
        }
    }
}