using System.Collections;
using System.Collections.Generic;
using Continentis.MainGame.Character;
using Continentis.MainGame.Combat;
using DG.Tweening;
using Lean.Pool;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;

namespace Continentis.MainGame.UI
{
    public partial class ActionOrderDisplayer : MonoBehaviour
    {
        [Header("UI References")]
        [SerializeField] private GameObject portraitPrefab;
        [SerializeField] private RectTransform currentTurnPointer;
        [FormerlySerializedAs("portraitsContainer")] public Transform avatarContainer;
        
        [Header("Animation Settings")]
        [SerializeField] private float rearrangeAnimDuration = 0.4f; // 头像重新排列的动画时长
    
        [FormerlySerializedAs("portraitWidth")]
        [Header("Layout Settings")]
        [SerializeField] private float avatarWidth = 133f; // 单个头像的宽度
        [FormerlySerializedAs("portraitSpacing")] [SerializeField] private float avatarSpacing = 0f; // 头像之间的间距

        private List<CharacterBase> actionOrder => CombatMainManager.Instance.characterController.actionOrderList;
        public List<CharacterAvatar> avatars = new List<CharacterAvatar>();
        
        public void InitializeTurnOrder()
        {
            // 清理
            foreach (CharacterAvatar ui in avatars)
            {
                if (ui != null) Destroy(ui.gameObject);
            }
            
            avatars.Clear();

            // 生成UI
            foreach (var character in actionOrder)
            {
                CreatePortraitUI(character, -1); // -1 表示添加到末尾
            }

            // 排列到正确的位置
            RearrangePortraitsWithAnimation(); 
        }
        
        public void EndAction()
        {
            // 将当前行动的角色和UI移动到队尾
            CharacterAvatar currentAvatar = avatars[0];
            
            avatars.RemoveAt(0);

            currentAvatar.GetComponent<RectTransform>().DOAnchorPosX(-200, 0.2f).OnComplete(() =>
            {
                LeanPool.Despawn(currentAvatar.gameObject);
            }).Play();
            
            // 播放重新排列动画
            RearrangePortraitsWithAnimation();
        }

    }
    
    public partial class ActionOrderDisplayer
    {
        // 核心函数：创建单个头像UI
        private CharacterAvatar CreatePortraitUI(CharacterBase character, int index)
        {
            CharacterAvatar avatar = LeanPool.Spawn(portraitPrefab, avatarContainer).GetComponent<CharacterAvatar>();
            avatar.Initialize(character);
            avatar.GetComponent<RectTransform>().anchoredPosition = new Vector2(-900, 0);
            if (index >= 0 && index < avatars.Count)
            {
                avatars.Insert(index, avatar);
                avatar.transform.SetSiblingIndex(index);
            }
            else
            {
                avatars.Add(avatar);
            }
            
            return avatar;
        }
        
        // 无动画的瞬间排列
        private void RearrangePortraits()
        {
            for (int i = 0; i < avatars.Count; i++)
            {
                float targetX = -110 - i * (avatarWidth + avatarSpacing);
                avatars[i].GetComponent<RectTransform>().anchoredPosition = new Vector2(targetX, 0);
            }
        }
        
        // 核心函数：带动画的重新排列
        public void RearrangePortraitsWithAnimation()
        {
            Sequence sequence = DOTween.Sequence();
        
            for (int i = 0; i < avatars.Count; i++)
            {
                // 计算每个头像的目标X坐标
                float targetX = -110 - i * (avatarWidth + avatarSpacing);
                RectTransform rt = avatars[i].GetComponent<RectTransform>();
            
                // 将移动动画加入到序列中
                sequence.Join(rt.DOAnchorPosX(targetX, rearrangeAnimDuration).SetEase(Ease.OutQuad));
            }
            
            sequence.Play();
        }
    }
}