using Games.Events;
using Games.LogicObj;
using GCGame.Table;
using Module.Log;
using UnityEngine;
using UnityEngine.EventSystems;

public class SimpleSkillButton : SkillButtonBase, IPointerDownHandler, IPointerUpHandler
{
    //public GameObject PressShowImage; //增加按着时显示的图片

    // 当前操作技能按钮的手指Id
    public int? CurrentFingerId { get; private set; }
    public bool AllowInput { get; private set; }

    public void OnPointerDown(PointerEventData eventData)
    {
        if (CurrentFingerId == null && ProcessInput.Instance != null && !ProcessInput.Instance.isBlocked && AllowInput)
        {
            var mainPlayer = ObjManager.Instance.MainPlayer;
            if (mainPlayer == null)
                LogModule.ErrorLog("MainPlayer is Null");
            else if (mainPlayer.IsDisableControl())
            {
                //组队跟随，不响应技能报错
                if (GameManager.gameManager.PlayerDataPool.IsFollowTeam)
                    GUIData.AddNotifyData(StrDictionary.GetClientDictionaryString("#{5128}"));
                // 暂时没有混乱中报错的机制
            }
            else
            {
                // 不确定这个事件同Update的周期，因此发送一次操作
                // 特殊处理场景不可使用技能的情况 - 这种情况不允许用户一直按着报错
                var useSkillResult = UseSkill();
                if (useSkillResult != SkillCastableCheckResult.FailScene
                    && useSkillResult != SkillCastableCheckResult.FailMission)
                {
                    CurrentFingerId = eventData.pointerId;
                    //if (PressShowImage != null)
                    //    PressShowImage.SetActive(true);
                }
            }
        }
    }

    public void OnPointerUp(PointerEventData eventData)
    {
        if (CurrentFingerId == eventData.pointerId)
            Clear();
    }

    private void Clear()
    {
        //if (PressShowImage != null && CurrentFingerId != null)
        //    PressShowImage.SetActive(false);
        CurrentFingerId = null;
    }

    private void Start()
    {
        EventDispatcher.Instance.Add(Games.Events.EventId.LockSkillInput, OnSkillInputUpdate);
        EventDispatcher.Instance.Add(Games.Events.EventId.ProcessInputBlock, OnProcessInputBlock);
        OnSkillInputUpdate(null);
    }

    private void OnDestroy()
    {
        EventDispatcher.Instance.Remove(Games.Events.EventId.LockSkillInput, OnSkillInputUpdate);
        EventDispatcher.Instance.Remove(Games.Events.EventId.ProcessInputBlock, OnProcessInputBlock);
    }

    private void OnProcessInputBlock(object args)
    {
        var block = (bool) args;
        if (block)
            Clear();
    }

    private void OnSkillInputUpdate(object args)
    {
        AllowInput = GameManager.gameManager.PlayerDataPool.AllowSimpleInput;
        if (!AllowInput)
            Clear();
    }

    private void Update()
    {
        if (CurrentFingerId != null)
            if (ProcessInput.Instance == null || !ProcessInput.Instance.isBlocked)
                UseSkill();
            else
                Clear();
    }
}