<?php

namespace biz\message\services;

use biz\base\services\BaseService;
use biz\message\classes\ChatClass;
use biz\user\services\UserService;
use common\components\arrayUtil;
use jzweb\open\weixin\lib\user;
use Yii;

class ChatService extends BaseService
{
	
	//新增未读消息数
	public static function addUnreadNum($userId)
	{
		$key = ChatClass::getUnreadNumKey($userId);
		Yii::$app->redis->executeCommand('INCRBY', [$key, 1]);
	}
	
	//新增未回复客户 shish 2019.12.29
	public static function addUnReplyUser($merchantId, $userId)
	{
		$now = time();
		$cacheKey = ChatClass::getUnReplyUserKey($merchantId);
		Yii::$app->redis->executeCommand('ZADD', [$cacheKey, $now, "{$userId}"]);
	}
	
	//取未回复客户列表 shish 2019.12.29
	public static function getUnReplyUserList($merchantId)
	{
		$cacheKey = ChatClass::getUnReplyUserKey($merchantId);
		$return = Yii::$app->redis->executeCommand('ZREVRANGE', [$cacheKey, 0, -1, 'WITHSCORES']);//返回有序集合，从高分到低分排序
		if (empty($return)) {
			return [];
		}
		$list = [];
		$i = 0;
		$arr = [];
		foreach ($return as $key => $val) {
			if ($key % 2 == 0) {
				$arr[$i]['value'] = $val;
			} else {
				$arr[$i]['key'] = $val;
				$i++;
			}
		}
		foreach ($arr as $key => $val) {
			$list[$val['key']] = $val['value'];
		}
		return $list;
	}
	
	//新增最近联系人
	public static function addRecentlyUser($merchantId, $userId)
	{
		$now = time();
		$cacheKey = ChatClass::getRecentlyUserKey($merchantId);
		
		//删除10天前的联系人
		$max = $now - 86400 * 10;
		Yii::$app->redis->executeCommand('ZREMRANGEBYSCORE', [$cacheKey, 0, $max]);
		
		Yii::$app->redis->executeCommand('ZADD', [$cacheKey, $now, "{$userId}"]);
	}
	
	//取最近联系人 shish 2019.12.29
	public static function getRecentlyUserList($merchantId)
	{
		$userIdList = [12536630, 12536631, 12536632, 12536633, 12536634, 12536635];
		$userId = $userIdList[array_rand($userIdList)];
		self::addRecentlyUser($merchantId, $userId);
		
		$cacheKey = ChatClass::getRecentlyUserKey($merchantId);
		//返回有序集合，从高分到低分排序
		$return = Yii::$app->redis->executeCommand('ZREVRANGE', [$cacheKey, 0, -1, 'WITHSCORES']);
		if (empty($return)) {
			return [];
		}
		$i = 0;
		$arr = [];
		foreach ($return as $key => $val) {
			if ($key % 2 == 0) {
				$arr[$i]['userId'] = $val;
			} else {
				$arr[$i]['time'] = $val;
				$i++;
			}
		}
		$userData = [];
		//组合出最后聊天时间和未读消息数
		foreach ($arr as $val) {
			$userId = $val['userId'];
			$time = $val['time'];
			$num = ChatClass::getUnreadNum($userId);
			$date = date("m-d H:i", $time);
			if (date("Ymd") == date("Ymd", $time)) {
				$date = date("H:i", $time);
			}
			$userData[$userId] = ['time' => $date, 'unReadNum' => $num];
		}
		$ids = array_column($arr, 'userId');
		$infoList = UserService::getUserByIds($ids);
		foreach ($infoList as $userId => $info) {
			$infoList[$userId]['unReadNum'] = isset($userData[$userId]['unReadNum']) ? $userData[$userId]['unReadNum'] : 0;
			$infoList[$userId]['chatTime'] = isset($userData[$userId]['time']) ? $userData[$userId]['time'] : date("m-d H:i", $info['visitTime']);
		}
		return array_values($infoList);
	}
	
	//保存消息记录 shish 2019.12.29
	public static function saveMessage($messageList, $userId)
	{
		//商家的消息，ourSelf表示自己的消息 themSelf表示对方的消息
		$now = time();
		$cacheKey = ChatClass::getMessageKey($userId);
		
		//删除15天前的已读消息
		$max = $now - 86400 * 16;
		Yii::$app->redis->executeCommand('ZREMRANGEBYSCORE', [$cacheKey, 0, $max]);
		
		foreach ($messageList as $message) {
			Yii::$app->redis->executeCommand('ZADD', [$cacheKey, $now, json_encode($message)]);
		}
		//self::getMessageList($userId);
	}
	
	//取消息记录 shish 2019.12.29
	public static function getMessageList($userId)
	{
		$cacheKey = ChatClass::getMessageKey($userId);
		//返回有序集合，从高分到低分排序
		$return = Yii::$app->redis->executeCommand('ZREVRANGE', [$cacheKey, 0, -1, 'WITHSCORES']);
		if (empty($return)) {
			return [];
		}
		$i = 0;
		$arr = [];
		foreach ($return as $key => $val) {
			if ($key % 2 == 0) {
				$arr[$i]['message'] = $val;
			} else {
				$arr[$i]['time'] = $val;
				$i++;
			}
		}
		$arr = arrayUtil::arraySort($arr, 'time');
		$data = [];
		foreach ($arr as $val) {
			$message = $val['message'];
			$data[] = json_decode($message);
		}
		return $data;
	}

}