<?php


/**
 *  Website: https://mudew.com/
 *  Author: Lkeme
 *  License: The MIT License
 *  Email: Useri@live.cn
 *  Updated: 2019
 */

namespace lkeme\BiliHelper;

abstract class BaseRaffle
{
    const ACTIVE_TITLE = '';
    const ACTIVE_SWITCH = '';

    public static $lock;
    public static $rw_lock;

    protected static $wait_list;
    protected static $finish_list;
    protected static $all_list;

    public static function run()
    {
        if (getenv(static::ACTIVE_SWITCH) == 'false') {
            return;
        }
        if (static::$lock > time()) {
            return;
        }
        static::startLottery();
    }

    /**
     * 抽奖逻辑
     * @return bool
     */
    protected static function startLottery(): bool
    {
        $max_num = mt_rand(10, 20);
        if (count(static::$wait_list) == 0) {
            return false;
        }
        static::$wait_list = static::arrKeySort(static::$wait_list, 'wait');
        for ($i = 0; $i <= $max_num; $i++) {
            $raffle = array_shift(static::$wait_list);
            if (is_null($raffle)) {
                break;
            }
            if ($raffle['wait'] > strtotime(date("Y-m-d H:i:s"))) {
                array_push(static::$wait_list, $raffle);
                continue;
            }
            Live::goToRoom($raffle['room_id']);
            Statistics::addJoinList(static::ACTIVE_TITLE);
            static::lottery($raffle);
        }
        return true;
    }


    /**
     * 检查抽奖列表
     * @param $rid
     * @return bool
     */
    abstract protected static function check($rid): bool;


    /**
     * @use 请求抽奖
     * @param array $data
     * @return bool
     */
    abstract protected static function lottery(array $data): bool;

    /**
     * @use 二维数组按key排序
     * @param $arr
     * @param $key
     * @param string $type
     * @return array
     */
    protected static function arrKeySort($arr, $key, $type = 'asc')
    {
        switch ($type) {
            case 'desc':
                array_multisort(array_column($arr, $key), SORT_DESC, $arr);
                return $arr;
            case 'asc':
                array_multisort(array_column($arr, $key), SORT_ASC, $arr);
                return $arr;
            default:
                return $arr;
        }
    }


    /**
     * 重复检测
     * @param int $lid
     * @return bool
     */
    protected static function toRepeatLid(int $lid): bool
    {
        if (in_array($lid, static::$all_list)) {
            return true;
        }
        if (count(static::$all_list) > 2000) {
            static::$all_list = [];
        }
        array_push(static::$all_list, $lid);

        return false;
    }

    /**
     * 数据推入队列
     * @param array $data
     * @return bool
     */
    public static function pushToQueue(array $data): bool
    {
        if (getenv(static::ACTIVE_SWITCH) == 'false') {
            return false;
        }

        if (Live::fishingDetection($data['rid'])) {
            return false;
        }
        static::check($data['rid']);
        $wait_num = count(static::$wait_list);
        if ($wait_num > 2) {
            Log::info("当前队列中共有 {$wait_num} 个" . static::ACTIVE_TITLE . "待抽奖");
        }
        return true;
    }

}