<?php
/**
 * 描述.
 *
 * @author nj
 * @date   2021-07-12 14:41
 */

namespace App\Repositories\Statistics;

use Carbon\Carbon;
use Illuminate\Support\Facades\Redis;
use App\Models\Mysql\ChannelModel;

class StatisticsActiveRepository
{
    /**
     * 统计某一天日活
     * @param mixed $date      某1天的日期.
     * @param null|string $channelUid  渠道UID
     * @param null|string $deviceType  设备类型
     * @param null|string $momAppUid  母包UD
     * @return integer
     */
    public function countOneDayActive($date, $channelUid = null, $deviceType = null, $momAppUid = null)
    {
        $deviceType = strtoupper($deviceType);
        $keyFlag = 'day_active:';
        if (is_null($channelUid)) {
            $key = $keyFlag . Carbon::parse($date)->toDateString();
            if (!empty($deviceType)) {
                $key .= ':'. $deviceType;
            }
            return Redis::pfcount($key);
        } else {
            if ($channelUid == '') {
                // 空字符串，代表官方.
                $fixChannelUid = 'office__';
            } else {
                $fixChannelUid = $channelUid;
            }
            $key = $keyFlag . 'ch:'.  $fixChannelUid . ':' . Carbon::parse($date)->toDateString();
            if (!empty($deviceType)) {
                $key .= ':'. $deviceType;
            }
            return Redis::pfcount($key);
        }
    }

    /**
     * 统计时间段的日活.
     * @param mixed $startDate 开始日期
     * @param mixed $endDate   结束日期
     * @param null|string $channelUid  渠道UID
     * @param null|string $deviceType  设备类型
     * @param null|string $momAppUid  母包UD
     * @return int
     */
    public function countSomeDaysActive($startDate, $endDate, $channelUid = null, $deviceType = null, $momAppUid = null)
    {
        $startDateObj = Carbon::parse($startDate);
        $endDateObj = Carbon::parse($endDate);
        if ($startDateObj > $endDateObj) {
            // 开始日期大于结束日期，错误的，为了容错，特意设置返回0.
            return 0;
        }
        if (abs(Carbon::parse($startDate)->diffInDays(Carbon::parse($endDateObj))) > 366) {
            // 不允许超过1年，为了容错，特意设置返回0.
            return 0;
        }
        $dateObj = Carbon::parse($startDate);
        $deviceType = strtoupper($deviceType);
        $keyFlag = 'day_active:';
        if (is_null($channelUid)) {
            $arrDates = [];
            while ($dateObj <= $endDateObj) {
                $key = $keyFlag . $dateObj->toDateString();
                if (!empty($deviceType)) {
                    $key .= ':'. $deviceType;
                }
                $arrDates[] = $key;
                $dateObj = $dateObj->addDays(1);
            }
            return Redis::pfcount($arrDates);
        } else {
            if ($channelUid == '') {
                // 空字符串，代表官方.
                $fixChannelUid = 'office__';
            } else {
                $fixChannelUid = $channelUid;
            }
            $arrDates = [];
            while ($dateObj <= $endDateObj) {
                $date = $startDate;
                $dateObj = Carbon::parse($date);
                $key = $keyFlag . 'ch:' . $fixChannelUid . ':' . $dateObj->toDateString();
                if (!empty($deviceType)) {
                    $key .= ':'. $deviceType;
                }
                $arrDates[] = $key;
                $dateObj = $dateObj->addDays(1);
            }
            return Redis::pfcount($arrDates);
        }
    }
}