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

namespace GFGGame
{
    public class MailInfo
    {
        public long mailId;//邮件id
        public string title;//邮件标题
        public long timeSec;//邮件时间戳，单位秒
        public string content = "";//邮件内容
        public List<ItemData> rewards;
        public int state;//邮件状态 0未读, 1已读未领取，2已读已领取
        public bool hasItem;//是否有奖励
    }
    public class MailDataManager : SingletonBase<MailDataManager>
    {

        private int _totolCount = 0;
        public int TotolCount//邮件总数
        {
            get { return _totolCount; }
            set { _totolCount = value; }
        }

        private int _unreadCount = 0;
        public int UnreadCount////未读邮件数量
        {
            get { return _unreadCount; }
            set { _unreadCount = value; }
        }

        public const int Count = 20;//每次请求个数

        private int _startIndex = 0;
        public int StartIndex//起始索引，从0开始
        {
            get { return _startIndex; }
            set { _startIndex = value; }
        }
        public Dictionary<long, MailInfo> _mailInfoDic = new Dictionary<long, MailInfo>();
        public Dictionary<long, MailInfo> MailInfoDic
        {
            get
            {
                return _mailInfoDic;
            }
        }

        public List<MailInfo> mailInfos = new List<MailInfo>();
        public void RefreshMailInfoDic(bool sort)
        {
            if (sort)
            {
                _mailInfoDic.Clear();
            }
        }

        public void UpdateMainInfoDic(long mailId, MailInfo mailInfo)
        {
            if (!_mailInfoDic.ContainsKey(mailId))
            {
                _mailInfoDic.Add(mailId, mailInfo);
            }
            else
            {
                _mailInfoDic[mailId] = mailInfo;
            }
        }
        public void UpdateMailContent(long mailId, int state, string content = "", List<ItemData> rewards = null)
        {
            _mailInfoDic[mailId].state = state;
            if (content != "") _mailInfoDic[mailId].content = content;
            if (rewards != null) _mailInfoDic[mailId].rewards = rewards;
        }


        public List<MailInfo> GetMailInfos(int index, int count)
        {
            List<MailInfo> mailInfos = new List<MailInfo>();
            for (int i = 0; i < count; i++)
            {
                if (index + i + 1 > _mailInfoDic.Count) break;
                MailInfo mailInfo = _mailInfoDic.ElementAt(index + i).Value;
                mailInfos.Add(mailInfo);
            }
            return mailInfos;
        }


        /// <summary>
        /// 根据邮件Id获取邮件信息
        /// </summary>
        /// <param name="mailId"></param>
        /// <returns></returns>
        public MailInfo GetMailInfoById(long mailId)
        {

            if (_mailInfoDic.ContainsKey(mailId))
            {
                return _mailInfoDic[mailId];
            }
            return null;
        }

        //0未读，1无奖已读，2有奖未领，3有奖已领
        public int GetMailState(MailInfo data)
        {
            if (data.hasItem == false)
            {
                if ((ConstMailStatus)data.state == ConstMailStatus.Unread) return 0;
                if ((ConstMailStatus)data.state == ConstMailStatus.ReadedButNotGet) return 1;
                if ((ConstMailStatus)data.state == ConstMailStatus.ReadedAndGot) return 1;

            }
            else
            {
                if ((ConstMailStatus)data.state == ConstMailStatus.Unread) return 2;
                if ((ConstMailStatus)data.state == ConstMailStatus.ReadedButNotGet) return 2;
                if ((ConstMailStatus)data.state == ConstMailStatus.ReadedAndGot) return 3;
            }
            return 0;
        }


    }
}