<?php

namespace bizHd\message\services;

use bizHd\base\services\BaseService;
use bizHd\custom\classes\CustomClass;
use bizHd\message\classes\ChatClass;
use bizHd\user\services\UserService;
use common\components\arrayUtil;
use common\components\imgUtil;
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 ssh 2019.12.29
    public static function addUnReplyUser($sjId, $userId)
    {
        $now = time();
        $cacheKey = ChatClass::getUnReplyUserKey($sjId);
        Yii::$app->redis->executeCommand('ZADD', [$cacheKey, $now, "{$userId}"]);
    }

    //取未回复客户列表 ssh 2019.12.29
    public static function getUnReplyUserList($sjId)
    {
        $cacheKey = ChatClass::getUnReplyUserKey($sjId);
        $return = Yii::$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($sjId, $userId)
    {
        $now = time();
        $cacheKey = ChatClass::getRecentlyUserKey($sjId);

        //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 ssh 2019.12.29
    public static function getRecentlyUserList($mainId)
    {
        $userIdList = [12536630, 12536631, 12536632, 12536633, 12536634, 12536635];
        $userId = $userIdList[array_rand($userIdList)];
        self::addRecentlyUser($mainId, $userId);

        $cacheKey = ChatClass::getRecentlyUserKey($mainId);
        //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 ssh 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 ssh 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;
    }

    // ------------------------------------------------  以下是新增的聊天方法  ------------------------------------------------
    //最近聊天人（人：可能是客户，也可能是商家）
    public static function getLatestUsers($shopId)
    {
        $cacheKey = ChatClass::getLatestUsersKey($shopId);
        //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]['cId'] = $val;
            } else {
                $arr[$i]['score'] = $val;
                $i++;
            }
        }
        $userData = [];
        //组合出最后聊天时间和未读消息数
        foreach ($arr as $val) {
            $customId = $val['cId'];
            $score = floatval($val['score']);
            $decimalPart = $score - floor($score);
            $unReadNum = intval($decimalPart * 10000 + 0.5);// 加0.5 -- 使用四舍五入来处理浮点数精度问题
            $time = intval($val['score']);
            $date = date("Y-m-d H:i", $time);

            $userData[$customId] = ['time' => $date, 'unReadNum' => $unReadNum];
        }
        $ids = array_column($arr, 'cId');
        $infoList = CustomClass::getByIds($ids, null, null, 'id,name,mobile,avatar,shopId,userId');
        foreach ($infoList as $customId => $info) {
            $infoList[$customId]['unReadNum'] = $userData[$info['id']]['unReadNum'] ?? 0;
            $infoList[$customId]['chatTime'] = $userData[$info['id']]['time'] ?? 0;
            //头像
            $shortAvatar = $info['avatar'] ?? '';
            $smallAvatar = imgUtil::groupImg($shortAvatar) . "?x-oss-process=image/resize,m_fill,h_130,w_130";
            $infoList[$customId]['shortAvatar'] = $shortAvatar;
            $infoList[$customId]['smallAvatar'] = $smallAvatar;
        }
        $infoList = arrayUtil::arraySort($infoList, 'chatTime', SORT_DESC);
        return array_values($infoList);
    }

    public static function getChatHistory($roomName)
    {
        if (empty($roomName)) {
            return [];
        }
        try {
            $re = Yii::$app->redis;
            $list = Yii::$app->redis->executeCommand('LRANGE', [$roomName, 0, -1]);
            if (empty($list)) {
                return [];
            }
            $result = [];
            foreach ($list as $item) {
                $decoded = json_decode($item, true);
                $struct = (json_last_error() === JSON_ERROR_NONE) ? $decoded : $item;
                $content = $struct['content'];
                $message = json_decode($content, true);
                $result[] = json_decode($message['message'], true);
            }
            return $result;
        } catch (\Throwable $e) {
            Yii::error('getChatHistory redis error: ' . $e->getMessage(), __METHOD__);
            return [];
        }
    }

    /**
     * @param int $shopId 门店id
     * @param string $unit 单位分：个数（person）消息（message）
     * @return int
     */
    public static function getUnReadMsgCount($shopId, $unit = 'person')
    {
        $cacheKey = ChatClass::getLatestUsersKey($shopId);
        //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 0;
        }
        $i = 0;
        $arr = [];
        foreach ($return as $key => $val) {
            if ($key % 2 == 0) {
                $arr[$i]['cId'] = $val;//customerId
            } else {
                $arr[$i]['score'] = $val;
                $i++;
            }
        }

        $msgCount = 0;
        foreach ($arr as $val) {
            //$customId = $val['cId'];
            $score = floatval($val['score']);
            $decimalPart = $score - floor($score);
            $unReadNum = intval($decimalPart * 10000 + 0.5); // 加0.5 -- 使用四舍五入来处理浮点数精度问题

            //根据未读消息数的单位进行计算总数
            if ($unit == 'person') {
                $msgCount += ($unReadNum >= 1 ? 1 : 0);
            } else if ($unit == 'message') {
                $msgCount += $unReadNum;
            }
        }

        return $msgCount;
    }
}