/**
 * 消息模型。
 */
"use strict";

let RedisClient = require('../../repository/redis/redis.client.js');
let redisClient = RedisClient.redisClient();
let redis = redisClient.connection;
let RedisModel = require('./../redis.model.js');
let modelUtil = require('../../util/model.util');
var imDb = require('../../repository/mysql/db/im.db');
let log = require('../../util/log.js');
let Sessions = require('../sessions/sessions');
let MessageRepo = require('../../repository/mysql/message.repo');
let configFile = require('../../include/commons').CONFIG_FILE;
let config = require('../../resources/config/' + configFile);
const RedisKey = require('../../include/commons').REDIS_KEYS;
const IMTABLE = require('../../include/commons').IM_DB;

class Messages extends RedisModel {
    constructor() {
        super();
    }

    /**
     * 根据topicId获取对应的议题的信息列表
     * @param topicId
     */
    getMessagesByTopicId(topicId){

        
    }

    /**
     * 分页
     * 根据topicId获取对应的议题的成员信息
     * @param topicId
     */
    getMessagesByTopicIdForPage(topicId,page,pagesize){


    }


    /**
     * 根据sessionId获取对应的会话的信息列表mysql
     * @param sessionId
     */
    getMessagesBySession(sessionId,handler){
        MessageRepo.getMessagesBySession(sessionId,handler);
    }

    /**
     * 分页获取消息MySQL
     * @param sessionId
     * @param page
     * @param pagesize
     */
    getMessageByPage(sessionId,page,pagesize,handler){
        MessageRepo.getMessageByPage(sessionId,page,pagesize,handler);
    }



    /**
     * 根据消息ID获取单条消息
     * @param messageId
     */
    getMessagesByid(messageId){

    }

    saveMessageForRedis(message_id,sessionId,message){
        let message_key = super.makeRedisKey(RedisKey.Messages,sessionId);
        let message_timestamp_key = super.makeRedisKey(RedisKey.MessagesByTimestamp,sessionId);
        redis.hsetAsync(message_key, message_id, JSON.stringify(message)).then(function (res) {
            log.info("success save redis message by session :"+sessionId);
            //保存message_timestamp_key redis
            return redis.zaddAsync(message_timestamp_key, message.timestamp.getTime(), message_id);
        });
    }


    /**
     * 保存Message 到mysql
     * @param messages 消息对象
     * @type type 会话类型，1表示MUC会话，2表示P2P，3表示群会话，4表示临时讨论组
     */
    saveMessageForMysql(messages,type,messageid,sessionId){
        MessageRepo.saveMessageForMysql(messages,type,messageid,sessionId);
    }

}

// Expose class
module.exports = Messages;