using Spine.Unity;
using System.Collections.Generic;
using UnityEngine;

public enum TurretAnimType
{
    None = 0,
    skeletonAnimation = 1,
    animation = 2,
    animator = 3
}


public enum TurretState
{
    None = 0,
    Idle = 1,
    Attack = 2,

    LaserStart = 3,
    LaserLoop = 4,
    LaserEnd = 5
}


public class TurretData : MonoBehaviour
{
    [Header("基础")]
    public string turretID;
    public SitPosData setPosData;
    public Transform tra_BulletStartPosition;
    public GameObject bulletPrefab_Two;
    public GameObject bulletPrefab;

    [Header("UI面板属性")]
    [Tooltip("炮台编号，对应 TurretResourcesData.turretNumber")]
    public int turretNumber;
    [Tooltip("1=普通炮台  2=战神  3=翅膀")]
    public int turretType = 1;
    [Tooltip("UI 展示名称")]
    public string displayName;
    [Tooltip("品质 1=普通 2=稀有 3=史诗 4=传说")]
    [Range(1, 5)]
    public int quality = 1;
    [Tooltip("解锁所需等级（0=默认拥有）")]
    public int unlockLevel;
    [Tooltip("UI 列表/详情用的缩略图")]
    public Sprite uiIconSprite;
    [TextArea(2, 4)]
    [Tooltip("描述文字")]
    public string description;

    // ---- 运行时状态（由服务器/UI面板读写） ----
    [System.NonSerialized] public bool isUnlocked;
    [System.NonSerialized] public bool isEquipped;
    [System.NonSerialized] public int ownStarLevel;

    [Header("动画组件")]
    public SkeletonGraphic skeletonAnimation;
    public Animation old_CurrAnimation;
    public Animator new_CurrAnimation;
    public TurretAnimType currTurretType;
    public bool isFrenzy=false;
    [Header("动画名")]
    public string idleAnim;
    public string attackAnim;
    // 新增：狂暴专用攻击动画（已经是二倍速帧动画）
    public string frenzyAttackAnim;
    private bool useFrenzyAnim = false;


    public string laserStartAnim;
    public string laserLoopAnim;
    public string laserEndAnim;

    private TurretState currState;

    /// <summary>
    /// 从资源表查询 TurretResourcesData。表里没有则返回 null，调用方应使用 TurretData 自身的 Inspector 默认值。
    /// </summary>
    public TurretResourcesData GetResourcesData()
    {
        return TurretResourcesData.GetTurretData(turretNumber);
    }

    /// <summary>安全获取攻击音效 ID：表里有就用，没有则返回 0（静音）。</summary>
    public int GetAttackAudioID()
    {
        var res = GetResourcesData();
        return res != null ? res.attackAudioID : 0;
    }

    /// <summary>安全获取子弹 ID 列表：表里有就用，没有则返回空列表。</summary>
    public List<int> GetBulletIDs()
    {
        var res = GetResourcesData();
        return res?.bulletID ?? new List<int>();
    }

    /// <summary>安全获取动画类型：表里有就用，没有则用 Inspector 配置的 currTurretType。</summary>
    public TurretAnimType GetAnimationType()
    {
        var res = GetResourcesData();
        return res != null ? (TurretAnimType)res.animationType : currTurretType;
    }

    private void Awake()
    {
        //if (setPosData != null)
        //    setPosData.OnStateChange = ChangeState;

        // 自动判断：如果狂暴攻击动画名不为空，就启用切换动画模式
        useFrenzyAnim = !string.IsNullOrEmpty(frenzyAttackAnim);
    }

    private void OnEnable()
    {
        PlayState(TurretState.Idle);
    }
    //public Vector2 GetBulletStartWorldPos()
    //{
    //    if (tra_BulletStartPosition == null)
    //        return Vector2.zero;

    //    // 如果是 UI RectTransform（UGUI）
    //    RectTransform rect = tra_BulletStartPosition.GetComponent<RectTransform>();
    //    if (rect != null)
    //    {
    //        // 1. UI 本地坐标 → Canvas 坐标
    //        Vector2 canvasPos = CoordinateTransformation.AnchoredPos_ToCanvas(
    //            rect,
    //            UIManager.Instance.uiRoot.GetComponent<Canvas>()
    //        );

    //        // 2. Canvas 坐标 → 世界坐标
    //        return CoordinateTransformation.CanvasToWorld(
    //            canvasPos,
    //            UIManager.Instance.uiRoot.GetComponent<RectTransform>(),
    //            Camera.main
    //        );
    //    }

    //    // 如果不是 UI（比如 3D Transform）
    //    return tra_BulletStartPosition.position;
    //}
    public Vector2 GetBulletStartWorldPos()
    {
        if (tra_BulletStartPosition == null)
            return Vector2.zero;

        // 如果是 UI（UGUI）
        RectTransform rect = tra_BulletStartPosition.GetComponent<RectTransform>();
        if (rect != null)
        {
            Canvas canvas = UIManager.Instance.uiRoot.GetComponent<Canvas>();
            Camera cam = Camera.main;

            // 方式1：通过屏幕坐标直接转世界坐标（推荐）
            Vector3 screenPos = RectTransformUtility.WorldToScreenPoint(
                canvas.renderMode == RenderMode.ScreenSpaceOverlay ? null : canvas.worldCamera,
                rect.position
            );
            // 需要计算 Z 轴距离（物体到相机的距离），这里假设子弹打在 Z=0 平面
            float distance = Mathf.Abs(cam.transform.position.z - 0f);
            Vector3 worldPos = cam.ScreenToWorldPoint(new Vector3(screenPos.x, screenPos.y, distance));
            worldPos.z = 0f;
            return worldPos;
        }

        // 非 UI（3D 物体）
        return tra_BulletStartPosition.position;
    }
    public void SetFrenzy(bool value)
    {
        isFrenzy = value;

        if (!useFrenzyAnim) // 没有狂暴动画 → 用速度加倍
        {
            float speed = isFrenzy ? 2f : 1f;

            if (skeletonAnimation != null)
                skeletonAnimation.timeScale = speed;

            if (new_CurrAnimation != null)
                new_CurrAnimation.speed = speed;

            if (old_CurrAnimation != null)
            {
                foreach (AnimationState state in old_CurrAnimation)
                    state.speed = speed;
            }
        }
        else
        {
            // 有狂暴动画 → 不做速度调整，保持 1 倍速
            if (skeletonAnimation != null)
                skeletonAnimation.timeScale = 1f;

            if (new_CurrAnimation != null)
                new_CurrAnimation.speed = 1f;

            if (old_CurrAnimation != null)
            {
                foreach (AnimationState state in old_CurrAnimation)
                    state.speed = 1f;
            }
        }
    }



    public void ChangeState(TurretState newState)
    {
        if (currState == newState) return;

        currState = newState;
        PlayState(newState);
    }

    private void PlayState(TurretState state)
    {
        switch (currTurretType)
        {
            case TurretAnimType.skeletonAnimation:
                PlaySkeleton(state);
                break;

            case TurretAnimType.animation:
                PlayLegacy(state);
                break;

            case TurretAnimType.animator:
                PlayAnimator(state);
                break;
        }
    }

    //private void PlaySkeleton(TurretState state)
    //{
    //    if (skeletonAnimation == null) return;

    //    string anim = state switch
    //    {
    //        TurretState.Idle => idleAnim,
    //        TurretState.Attack => (isFrenzy && useFrenzyAnim) ? frenzyAttackAnim : attackAnim,
    //        TurretState.LaserStart => laserStartAnim,
    //        TurretState.LaserLoop => laserLoopAnim,
    //        TurretState.LaserEnd => laserEndAnim,
    //        _ => idleAnim
    //    };

    //    bool loop = state == TurretState.Attack || state == TurretState.LaserLoop;
    //    skeletonAnimation.AnimationState.SetAnimation(0, anim, loop);

    //    if (state == TurretState.LaserStart)
    //    {
    //        skeletonAnimation.AnimationState.AddAnimation(0, laserLoopAnim, true, 0f);
    //    }
    //}



    //private void PlayLegacy(TurretState state)
    //{
    //    if (old_CurrAnimation == null) return;

    //    string anim = state switch
    //    {
    //        TurretState.Idle => idleAnim,
    //        TurretState.Attack => (isFrenzy && useFrenzyAnim) ? frenzyAttackAnim : attackAnim,
    //        TurretState.LaserStart => laserStartAnim,
    //        TurretState.LaserLoop => laserLoopAnim,
    //        TurretState.LaserEnd => laserEndAnim,
    //        _ => idleAnim
    //    };

    //    old_CurrAnimation.Play(anim);
    //}


    //private void PlayAnimator(TurretState state)
    //{
    //    if (new_CurrAnimation == null) return;

    //    if (state == TurretState.Attack && isFrenzy && useFrenzyAnim)
    //    {
    //        new_CurrAnimation.SetTrigger("FrenzyAttack");
    //    }
    //    else
    //    {
    //        new_CurrAnimation.SetInteger("State", (int)state);
    //    }
    //}
    private void PlaySkeleton(TurretState state)
    {
        if (skeletonAnimation == null) return;

        string anim = state switch
        {
            TurretState.Idle => idleAnim,
            TurretState.Attack => (isFrenzy && useFrenzyAnim) ? frenzyAttackAnim : attackAnim,
            TurretState.LaserStart => laserStartAnim,
            TurretState.LaserLoop => laserLoopAnim,
            TurretState.LaserEnd => laserEndAnim,
            _ => idleAnim
        };

        // 如果动画名为空 → 停止当前动画（暂停），不再播放任何动画
        if (string.IsNullOrEmpty(anim))
        {
            skeletonAnimation.AnimationState.ClearTrack(0);
            skeletonAnimation.AnimationState.SetEmptyAnimation(0, 0f);
            return;
        }

        bool loop = state == TurretState.Attack || state == TurretState.LaserLoop;
        skeletonAnimation.AnimationState.SetAnimation(0, anim, loop);

        if (state == TurretState.LaserStart && !string.IsNullOrEmpty(laserLoopAnim))
        {
            skeletonAnimation.AnimationState.AddAnimation(0, laserLoopAnim, true, 0f);
        }
    }

    private void PlayLegacy(TurretState state)
    {
        if (old_CurrAnimation == null) return;

        string anim = state switch
        {
            TurretState.Idle => idleAnim,
            TurretState.Attack => (isFrenzy && useFrenzyAnim) ? frenzyAttackAnim : attackAnim,
            TurretState.LaserStart => laserStartAnim,
            TurretState.LaserLoop => laserLoopAnim,
            TurretState.LaserEnd => laserEndAnim,
            _ => idleAnim
        };

        if (string.IsNullOrEmpty(anim))
        {
            old_CurrAnimation.Stop();
            return;
        }

        old_CurrAnimation.Play(anim);
    }

    private void PlayAnimator(TurretState state)
    {
        if (new_CurrAnimation == null) return;

        // 如果缺少对应动画，暂停 animator（速度为0）或者设置一个空状态
        if (state == TurretState.Attack && isFrenzy && useFrenzyAnim && !string.IsNullOrEmpty(frenzyAttackAnim))
        {
            new_CurrAnimation.SetTrigger("FrenzyAttack");
        }
        else if (!string.IsNullOrEmpty(attackAnim) || state == TurretState.Idle && !string.IsNullOrEmpty(idleAnim))
        {
            new_CurrAnimation.SetInteger("State", (int)state);
        }
        else
        {
            // 没有可用动画时暂停 animator，避免残留动作
            new_CurrAnimation.speed = 0f;
        }
    }

}