<?php

declare (strict_types=1);

namespace app\store\model\analysis;

use app\common\model\analysis\AnalysisMonthlyRetain as AnalysisMonthlyRetainModel;
use app\common\model\analysis\AnalysisMonthlyRetainTag;
use app\common\service\MpWxService;
use think\facade\Db;

/**
 * 每月访问留存模型
 * Class AnalysisMonthlyRetain
 * @package app\common\model\analysis
 */
class AnalysisMonthlyRetain extends AnalysisMonthlyRetainModel
{

    /**
     * 批量写入每月留存数据
     * 发布上线时，只需执行一次
     */
    public static function addInitVisit()
    {
        $begin_date = strtotime('20211001'); // 生成初始数据开始时间，建议时间为：小程序上线时间
        $end_date = strtotime(date('Ymd', strtotime('-1 days'))); // 生成初始数据结束时间，建议时间为：昨天
        $date_arr = period_month($begin_date, $end_date, true);

        Db::startTrans();
        try {
            foreach ($date_arr as $date) {
                $date = month_first_last($date);
                $res = self::visit($date);
                self::addData($date, $res);
            }
            Db::commit();
            return true;
        } catch (\Exception $e) {
            Db::rollback();
            return false;
        }
    }

    /**
     * 写入每月留存数据
     * 定时任务每日执行一次，生成上月数据
     */
    public static function addVisit()
    {
        try {
            for ($i = 2; $i > 0; $i--) {
                $month = date('Y-m', strtotime(date('Y-m-01') . " -{$i} month"));
                $date = month_first_last($month);
                $data = self::visit($date);
                // 写入数据
                self::addData($date, $data);
            }
            Db::commit();
            return true;
        } catch (\Exception $e) {
            Db::rollback();
            return false;
        }
    }

    private static function addData($date, $data)
    {
        $visit_uv_new = $data['visit_uv_new']; // 新增用户留存
        $visit_uv = $data['visit_uv']; // 活跃用户留存
        unset($data['visit_uv_new'], $data['visit_uv']);

        $retain_id = self::where('start_time', '>=', strtotime($date['s']))
            ->where('end_time', '<', strtotime($date['e'])+ 86400)
            ->value('id');
        if (!$retain_id) {
            // 不存在 新增
            // 写入访问留存表
            $retain_id = self::insertGetId($data);
        }
        // 写入访问留存标识表
        foreach($visit_uv_new as $k=>&$new) {
            $tag_info = AnalysisMonthlyRetainTag::where('retain_id', $retain_id)
                ->where('type', AnalysisMonthlyRetainTag::TYPE_NEW)
                ->where('key', $new['key'])
                ->count();
            if ($tag_info) { // 存在 跳出循环
                unset($visit_uv_new[$k]);
                continue;
            }
            $new['retain_id'] = $retain_id;
            $new['type'] = AnalysisMonthlyRetainTag::TYPE_NEW;
            $new['create_time'] = time();
            $new['update_time'] = time();
        }
        AnalysisMonthlyRetainTag::insertAll($visit_uv_new);
        foreach($visit_uv as $k=>&$active) {
            $tag_info = AnalysisMonthlyRetainTag::where('retain_id', $retain_id)
                ->where('type', AnalysisMonthlyRetainTag::TYPE_ACTIVE)
                ->where('key', $new['key'])
                ->count();
            if ($tag_info) { // 存在 跳出循环
                unset($visit_uv[$k]);
                continue;
            }
            $active['retain_id'] = $retain_id;
            $active['type'] = AnalysisMonthlyRetainTag::TYPE_ACTIVE;
            $active['create_time'] = time();
            $active['update_time'] = time();
        }
        AnalysisMonthlyRetainTag::insertAll($visit_uv);
    }

    /**
     * 获取单月数据概览及访问留存数据
     *
     * @param $date
     * @return array
     */
    public static function visit($date)
    {
        $data = self::getRetain($date);// 每月访问趋势
        $data['create_time'] = time();
        $data['update_time'] = time();
        $data['start_time'] = strtotime($date['s']); // 开始时间 00:00:00
        $data['end_time'] = strtotime($date['e']) + 86400 - 1; // 结束时间 23:59:59

        return $data;
    }

    /**
     * 获取用户访问小程序数据月趋势
     *
     * @param $date
     * @return array|mixed
     */
    private static function getRetain($date)
    {
        $startDate = date('Ymd', strtotime($date['s']));
        $endDate = date('Ymd', strtotime($date['e']));
        $params['begin_date'] = $startDate;
        $params['end_date'] = $endDate;
        $data = MpWxService::doAnalysisAction('getweanalysisappidmonthlyretaininfo', $params);
        return $data;
    }

}