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

namespace SuperScrollView.AI
{
    public enum MsgTypeEnum
    {
        Str = 0,
        Picture,
        Count,
    }

    public class PersonInfo
    {
        public int mId;
        public string mName;
        public Sprite mHeadIcon;
    }

    public class ChatMsg
    {
        public int mPersonId;
        public MsgTypeEnum mMsgType;
        public string mSrtMsg;
        public Sprite mPicMsgSprite;
    }

    public class ChatMsgDataSourceMgr : MonoBehaviour
    {
        Dictionary<int, PersonInfo> mPersonInfoDict = new Dictionary<int, PersonInfo>();
        List<ChatMsg> mChatMsgList = new List<ChatMsg>();
        static ChatMsgDataSourceMgr instance = null;
        public Sprite[] headIcons;
        public static ChatMsgDataSourceMgr Get
        {
            get
            {
                if (instance == null)
                {
                    instance = Object.FindObjectOfType<ChatMsgDataSourceMgr>();
                }
                return instance;
            }

        }

        void Awake()
        {
            Init();
        }

        public PersonInfo GetPersonInfo(int personId)
        {
            PersonInfo ret = null;
            if(mPersonInfoDict.TryGetValue(personId, out ret))
            {
                return ret;
            }
            return null;
        }

        public void Init()
        {            
            mPersonInfoDict.Clear();
            PersonInfo tInfo = new PersonInfo();
            tInfo.mHeadIcon = headIcons[0];
            tInfo.mId = 0;
            tInfo.mName = "小智";
            mPersonInfoDict.Add(tInfo.mId, tInfo);
            tInfo = new PersonInfo();
            tInfo.mHeadIcon = headIcons[1];
            tInfo.mId = 1;
            tInfo.mName = "您";
            mPersonInfoDict.Add(tInfo.mId, tInfo);
            InitChatDataSource();
        }

        public ChatMsg GetChatMsgByIndex(int index)
        {
            if (index < 0 || index >= mChatMsgList.Count)
            {
                return null;
            }
            return mChatMsgList[index];
        }

        public int TotalItemCount
        {
            get
            {
                return mChatMsgList.Count;
            }
        }

        void InitChatDataSource()
        {
            mChatMsgList.Clear();
        }

        public void AppendOneMsg(int personId,MsgTypeEnum msgTypeEnum,string str,Sprite sprite = null)
        {
            ChatMsg tMsg = new ChatMsg();
            tMsg.mMsgType = msgTypeEnum;
            tMsg.mPersonId = personId;
            tMsg.mSrtMsg = str;
            tMsg.mPicMsgSprite = sprite;
            mChatMsgList.Add(tMsg);
        }

    }

}