using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System;

/// <summary>
/// 英雄列表滑动功能组件
/// </summary>
public class UI_HeroScrollFlowComponment : MonoBehaviour
{
    /// <summary>
    /// 操作控制层
    /// </summary>
    public UI_ScrollFlow mScrollFlow;

    /// <summary>
    /// 模板
    /// </summary>
    public GameObject mPrefab;

    /// <summary>
    /// 子对象节点
    /// </summary>
    public GameObject mNodes;

    /// <summary>
    /// 是否显示 可以上阵或者详细信息的操作功能
    /// </summary>
    private bool IsShowBattleOrQueryButton = false;

    /// <summary>
    /// 是否要接收 数据发生变化的事件
    /// </summary>
    private bool IsNeedReceiveDataChangedEvent = false;

    /// <summary>
    /// 初始化UI
    /// </summary>
    /// <param name="isShowOperateButton"> 是否显示 可以上阵或者详细信息的操作功能</param>
    /// <param name="isNeedReceiveDataChangedEvent">是否要接收 数据发生变化的事件</param>
    public void InitComponments(bool isShowOperateButton = false,bool isNeedReceiveDataChangedEvent= false)
    {
        this.IsShowBattleOrQueryButton = isShowOperateButton;
        this.IsNeedReceiveDataChangedEvent = isNeedReceiveDataChangedEvent;

        mPrefab = this.transform.Find("prefab").gameObject;
        mPrefab.SetActive(false);
        mNodes = this.transform.Find("Nodes").gameObject;
        mScrollFlow = mNodes.GetComponent<UI_ScrollFlow>();
        if (mScrollFlow == null)
        {
            AssemblyHelper.Instance.BindScript("UI_ScrollFlow", mNodes);
            mScrollFlow = mNodes.GetComponent<UI_ScrollFlow>();
        }

        mNodes.GetComponent<RectTransform>().anchoredPosition = new Vector2(-250, 0);

        mScrollFlow.InitHeroComponmentsSetting();
        mScrollFlow.goItemPrefab = mPrefab;
        mScrollFlow.nodeContent = mNodes.GetComponent<RectTransform>();

        CreateElement();
        mScrollFlow.EventRefreshCardState += RefreshCardState;
    }

    /// <summary>
    ///  刷新卡牌的状态
    /// </summary>
    /// <param name="isSelected">是否选中</param>
    /// <param name="t">卡牌</param>
    private void RefreshCardState(bool isSelected, UI_ScrollFlow_Item t)
    {
        if (t != null && t.gameObject != null)
        {
            UI_HeroMustCardElement go = t.gameObject.GetComponent<UI_HeroMustCardElement>();
            go.RefreshSelectedState(isSelected);

            if (isSelected)
            {
                _curHeroUID = go.mData;

                if (Action_ChangeCurrentCard != null)
                {
                    Action_ChangeCurrentCard(go.mData, t.gameObject);
                }
            }
        }
    }

    /// <summary>
    /// 销毁
    /// </summary>
    private void OnDestory()
    {
        mScrollFlow.EventRefreshCardState -= RefreshCardState;       
    }

    /// <summary>
    /// 创建元素
    /// </summary>
    private void CreateElement()
    {
        mScrollFlow.onInitializeItem = onInitializeItem;
        mScrollFlow.Init(0);

    }

    /// <summary>
    /// 元素初始化
    /// </summary>
    /// <param name="go"> 元素对象 </param>
    /// <param name="dataIndex"> 数据索引 </param>
    private void onInitializeItem(GameObject go, int dataIndex)
    {
        UI_HeroMustCardElement element = go.GetComponent<UI_HeroMustCardElement>();
        if (null == element)
        {
            AssemblyHelper.Instance.BindScript("UI_HeroMustCardElement", go);
            element = go.GetComponent<UI_HeroMustCardElement>();
        }

        element.Init(this.IsNeedReceiveDataChangedEvent, this.IsShowBattleOrQueryButton);
        element.Action_QueryButton = OnClicked_QueryButton;
        element.Action_SelectedSomeCard = OnClicked_Select;
        element.Action_UseButton = OnClicked_UseButton;

        ////element.Action_UNLockButton = OnClicked_LockButton;
        element.Action_BuyButton = OnClicked_BuyHeroButton;
        element.Action_GetMethodButton = OnClicked_GetMethodButton;

        if (dataIndex >= 0 && dataIndex < mDataList.Count)
        {
            element.SetData(mDataList[dataIndex]);
            ////LogHelper.LogError("onInitializeItem:::" + dataIndex + " uid::" + mDataList[dataIndex]);
            if (elements.ContainsKey(dataIndex))
            {
                elements[dataIndex] = go;
            }
            else
            {
                elements.Add(dataIndex, go);
            }
        }
    }

    /// <summary>
    /// 数据列表
    /// </summary>
    private List<string> mDataList = new List<string>();

    /// <summary>
    /// 刷新元素
    /// </summary>  
    /// <param name="heroUIDList">英雄列表</param>
    /// <param name="bResetPos"> 是否重设位置 </param>
    public void SetHeroData(List<string> heroUIDList, bool bResetPos = false)
    {
        mDataList = new List<string>();
        elements = new Dictionary<int, GameObject>();

        mDataList.AddRange(heroUIDList);

        mScrollFlow.Hero_DataChanged(heroUIDList.Count, bResetPos);

        if (heroUIDList.Count == 0)
        {
            mScrollFlow.enabled = false;
            _curHeroUID = string.Empty;
        }
        else
        {
            mScrollFlow.enabled = true;
        }
    }

    /// <summary>
    /// 子对象集合
    /// </summary>
    private Dictionary<int, GameObject> elements = new Dictionary<int, GameObject>();

    /// <summary>
    /// 当前英雄UID
    /// </summary>
    public string _curHeroUID = string.Empty;

    /// <summary>
    /// 获得当前英雄UID
    /// </summary>
    /// <returns>string</returns>
    internal string GetCurHeroUID()
    {
        return _curHeroUID;
    }

    /// <summary>
    /// 刷新卡牌锁定以及上阵状态
    /// </summary>
    internal void RefeshHeroCardLockAndFightState()
    {
        foreach (GameObject xx in elements.Values)
        {
            UI_HeroMustCardElement ele = xx.GetComponent<UI_HeroMustCardElement>();
            bool isInTeam = UserProxy.Instance.player.heroTeamConfig.CheckSomeHeroBeUsed(ele.mHeroUIDData);
            ele.RefreshCardLockAndFightState(isInTeam);
        }
    }

    /// <summary>
    /// 更改当前选择的卡牌
    /// </summary>
    internal Action<string, GameObject> Action_ChangeCurrentCard;

    /// <summary>
    /// 点击卡牌事件
    /// </summary>
    internal Action<string, GameObject> Action_SelectedSomeCard;

    /// <summary>
    /// 点击卡牌上阵事件
    /// </summary>
    internal Action<string, GameObject> Action_UseButton;

    /// <summary>
    /// 点击卡牌查询事件
    /// </summary>
    internal Action<string, GameObject> Action_QueryButton;

    /// <summary>
    /// 点击卡牌  购买按钮
    /// </summary>
    public Action<string, GameObject> Action_BuyButton;

    /// <summary>
    /// 点击卡牌 未解锁按钮
    /// </summary>
    public Action<string, GameObject> Action_UNLockButton;


    /// <summary>
    /// 点击卡牌 获取按钮
    /// </summary>
    public Action<string, GameObject> Action_GetMethodButton;

    /// <summary>
    /// 查询
    /// </summary>
    /// <param name="go"> 按钮对象 </param>
    private void OnClicked_QueryButton(GameObject go)
    {
        UI_HeroMustCardElement ele = go.GetComponent<UI_HeroMustCardElement>();
        if (ele == null)
        {
            return;
        }

        if (Action_QueryButton != null)
        {
            Action_QueryButton(ele.mData, go);
        }
    }

    /// <summary>
    ///  上阵
    /// </summary>
    /// <param name="go">按钮对象</param>
    private void OnClicked_UseButton(GameObject go)
    {
        UI_HeroMustCardElement ele = go.GetComponent<UI_HeroMustCardElement>();
        if (ele == null)
        {
            return;
        }

        if (Action_UseButton != null)
        {
            Action_UseButton(ele.mData, go);
        }
    }


    /// <summary>
    ///  未解锁按钮
    /// </summary>
    /// <param name="go">按钮对象</param>
    private void OnClicked_LockButton(GameObject go)
    {
        UI_HeroMustCardElement ele = go.GetComponent<UI_HeroMustCardElement>();
        if (ele == null)
        {
            return;
        }

        if (Action_UNLockButton != null)
        {
            Action_UNLockButton(ele.mData, go);
        }
    }

    /// <summary>
    /// 点击 获取按钮
    /// </summary>
    /// <param name="go"></param>
    private void OnClicked_GetMethodButton(GameObject go)
    {
        UI_HeroMustCardElement ele = go.GetComponent<UI_HeroMustCardElement>();
        if (ele == null)
        {
            return;
        }

        if (Action_GetMethodButton != null)
        {
            Action_GetMethodButton(ele.mData, go);
        }
    }

    /// <summary>
    ///  购买 按钮
    /// </summary>
    /// <param name="go">按钮对象</param>
    private void OnClicked_BuyHeroButton(GameObject go)
    {
        UI_HeroMustCardElement ele = go.GetComponent<UI_HeroMustCardElement>();
        if (ele == null)
        {
            return;
        }

        if (Action_BuyButton != null)
        {
            Action_BuyButton(ele.mData, go);
        }
    }

    /// <summary>
    /// 点击选择
    /// </summary>
    /// <param name="go">按钮对象</param>
    private void OnClicked_Select(GameObject go)
    {
        UI_ScrollFlow_Item script = go.GetComponent<UI_ScrollFlow_Item>();
        if (script == null)
        {
            return;
        }

        if (mScrollFlow.Current != script)
        {
            mScrollFlow.ToAppointedItem(script);
        }
        else
        {
            UI_HeroMustCardElement ele = go.GetComponent<UI_HeroMustCardElement>();
            if (ele == null)
            {
                return;
            }
            
            if (Action_SelectedSomeCard != null)
            {
                Action_SelectedSomeCard(ele.mData, go);
            }
        }
    }

    
    /// <summary>
    /// 对外的外界： 设定选中的卡牌
    /// 来促使卡牌进行移动
    /// </summary>
    /// <param name="data"></param>
    public void OnChangeSelectData(string data)
    {
        if (string.IsNullOrEmpty(data))
            return;

        foreach (GameObject xx in elements.Values)
        {
            UI_HeroMustCardElement ele = xx.GetComponent<UI_HeroMustCardElement>();
            if (ele.mData == data)
            {
                OnClicked_Select(ele.gameObject);
            }
        }
    }
}