using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using GCGame.Table;
using Module.Log;

public class TestingCopyBuffInfoCtr : MonoBehaviour {

    public List<BufferItem> buffs;
    public GameObject descPanel;
    public Text bufferDesc;
    private object preShowBuff;

    private static TestingCopyBuffInfoCtr _instance;
    public static TestingCopyBuffInfoCtr Instance
    {
        get
        {
            if(_instance != null)
            {
                return _instance;
            }

            // LogModule.ErrorLog("TestingCopyBuffInfoCtr instance is null");
            return null;
        }
    }

    private void Awake()
    {
        if(_instance == null)
        {
            _instance = this;
        }

        if(buffs != null && buffs.Count <= 0)
        {
            LogModule.ErrorLog("No buffs slot !!!");
        }

        for(int i = 0; i < buffs.Count; ++i)
        {
            buffs[i].Show(null);
            buffs[i]._ClickEvent += OnBuffSelect;
        }
    }

    private void OnEnable()
    {
        descPanel.SetActive(false);
        FunctionButtonLogic.Instance().HideBaseBtns();
        FunctionButtonLogic.Instance().TempSwitchPanels.Add(this.gameObject);
    }

    private void OnDisable()
    {
        preShowBuff = null;
    }

    private void OnDestroy()
    {
        FunctionButtonLogic.Instance().TempSwitchPanels.Remove(this.gameObject);
        _instance = null;
    }

    public void SetBuffer(int buffId, int index = -1)
    {
        if(index == -1)
        {
            for (int i = 0; i < buffs.Count; ++i)
            {
                if (buffs[i].BuffInfo == null)
                {
                    Hashtable hash = new Hashtable() { { "Info", buffId } };
                    buffs[i].Show(hash);
                    break;
                }

                if (i == buffs.Count - 1)
                {
                    LogModule.ErrorLog("Can't replace, please specify index !!!");
                }
            }
        }
        else
        {
            if(index >= buffs.Count || index < 0)
            {
                LogModule.ErrorLog("Wrong index");
                return;
            }

            Hashtable hash = new Hashtable() { { "Info", buffId } };
            buffs[index].Show(hash);
        }
    }

    private void OnBuffSelect(object buffInfo)
    {
        Tab_Impact selectedBuffTab = buffInfo as Tab_Impact;
        if(selectedBuffTab != null)
        {
            if(buffInfo == preShowBuff)
            {
                preShowBuff = null;
                descPanel.SetActive(false);
            }
            else
            {
                preShowBuff = buffInfo;
                bufferDesc.text = selectedBuffTab.Instruction;
                descPanel.SetActive(true);
            }
        }
        else
        {
            descPanel.SetActive(false);
        }
    }
}