using UnityEngine;
using DG.Tweening; // 引入 DOTween 命名空间

namespace Interaction
{
    public class DoorController : MonoBehaviour, IInteractable
    {
        [System.Serializable]
        public class DoorLeaf
        {
            [Tooltip("门页对象")]
            public Transform doorTransform;

            [Tooltip("开门时，该门页的 Y 轴角度 (例如 90 或 -90)")]
            public float openAngle = 90f;
        }

        [Header("门页设置")]
        [Tooltip("请绑定门页对象 (最多两个)，并设置各自的开门角度。关门角度默认为 0 度。")]
        [SerializeField] private DoorLeaf[] doorLeaves;

        [Header("动画设置")]
        [Tooltip("开门需要几秒钟")]
        [SerializeField] private float duration = 1.0f;
        [SerializeField] private Ease animationEase = Ease.OutQuad;

        // 运行时状态
        private bool isOpen = false;  //默认关闭         

        public bool IsOpen => isOpen;

        private void Start()
        {
            // 校验配置
            if (doorLeaves == null || doorLeaves.Length == 0)
            {
                Debug.LogWarning("[DoorController] 未绑定任何门页 (Door Leaves)！请在 Inspector 中设置。");
                return;
            }

            // 初始化状态判断：
            // 我们以"第一个门页"的状态为准来判断当前整个门是开还是关
            var firstLeaf = doorLeaves[0];
            if (firstLeaf.doorTransform == null) return;

            float currentY = firstLeaf.doorTransform.localEulerAngles.y;
            
            // 处理欧拉角 360 度问题 (比如 -90 度可能是 270)
            if (currentY > 180) currentY -= 360;

            // 关门角度默认为 0
            float distToClose = Mathf.Abs(Mathf.DeltaAngle(currentY, 0f));
            float distToOpen = Mathf.Abs(Mathf.DeltaAngle(currentY, firstLeaf.openAngle));

            isOpen = distToOpen < distToClose;
            
            Debug.Log($"[Door] 初始化完成。当前角度: {currentY}, 判定为: {(isOpen ? "开" : "关")}");
        }

        public void Interact()
        {
            if (doorLeaves == null || doorLeaves.Length == 0) return;
            
            Debug.Log($"<color=green>[Door] 收到交互请求！当前状态 isOpen: {isOpen}</color>");
            ToggleDoor();
        }

        public string GetInteractPrompt()
        {
            return isOpen ? "关闭" : "打开";
        }

        public void OpenDoor()
        {
            if (isOpen) return;
            ToggleDoor();
        }

        public void CloseDoor()
        {
            if (!isOpen) return;
            ToggleDoor();
        }

        public void ToggleDoor()
        {
            isOpen = !isOpen;

            // 遍历所有门页进行旋转
            foreach (var leaf in doorLeaves)
            {
                if (leaf == null || leaf.doorTransform == null) continue;

                Vector3 currentRot = leaf.doorTransform.localEulerAngles;
                // 关门目标为 0，开门目标为 leaf.openAngle
                float targetY = isOpen ? leaf.openAngle : 0f;
                
                Vector3 targetRotation = new Vector3(currentRot.x, targetY, currentRot.z);

                // --- DOTween 核心代码 ---
                
                // 1. 杀掉该对象上可能正在运行的旋转动画，防止冲突
                leaf.doorTransform.DOKill(); 

                // 2. 创建新动画
                leaf.doorTransform.DOLocalRotate(targetRotation, duration)
                    .SetEase(animationEase); 
            }
        }
    }
}