<?php

namespace refill;

use QueueClient;

class transfer_timeout
{
    private $mMchid2Infos;
    public function __construct()
    {
        $this->load();
    }

    private static $stInstance = null;
    public static function instance()
    {
        if (self::$stInstance == null) {
            self::$stInstance = new transfer_timeout();
        }

        return self::$stInstance;
    }

    public function load()
    {
        $mch_checker = function ($mchid) {
            $item = Model()->table('merchant')->field('mchid,admin_id')->where(['mchid' => $mchid])->find();
            return intval($item['admin_id']);
        };

        $this->mMchid2Infos = [];
        $i = 0;
        while (true)
        {
            $start = $i * 1000;
            $items = Model()->table('merchant')->field('mchid,timeout_transfer_cfg')->order('mchid asc')->limit("{$start},1000")->select();
            if(empty($items)) {
                return;
            }
            $i++;

            foreach ($items as $item)
            {
                $cfg = $item['timeout_transfer_cfg'];

                if(empty($cfg)) {
                    continue;
                }

                $cfg = unserialize($cfg);
                if($cfg === false) {
                    continue;
                }

                $mchid = intval($item['mchid']);
                $opened = intval($cfg['transfer_opened']);
                $tmchid = intval($cfg['transfer_mchid']);
                $maxtm = intval($cfg['transfer_maxtm']);

                if ($opened == 1 && $tmchid > 0 && $tmchid != $mchid && $maxtm > 0)
                {
                    $admin_id = $mch_checker($tmchid);
                    if ($admin_id > 0) {
                        $this->mMchid2Infos[$mchid] = ['transfer_mchid' => $tmchid, 'admin_id' => $admin_id, 'transfer_maxtm' => $maxtm];
                    }
                }
            }
        }
    }

    private function time_out($mchid)
    {
        return $this->mMchid2Infos[$mchid]['transfer_maxtm'];
    }

    public function need_monitor($mchid)
    {
        if(array_key_exists($mchid,$this->mMchid2Infos)) {
            return true;
        } else {
            return false;
        }
    }

    public function has_tmout($mchid,$mch_order)
    {
        $need_monitor = $this->need_monitor($mchid);
        if(!$need_monitor) {
            return false;
        }

        $order_state = util::query_queue_order($mchid,$mch_order);
        if($order_state === false || $order_state == ORDER_STATE_TIMEOUT) {
            return false;
        }

        $mod_refill = Model('refill_order');
        $detail = $mod_refill->get_detail($mchid, $mch_order);
        if(empty($detail)) {
            return false;
        }

        $order_state = intval($detail['order_state']);
        if($order_state == ORDER_STATE_HANDLED) {
            return false;
        }

        $order_time = intval($detail['order_time']);
        $tmout = $this->time_out($mchid);

        if (time() >= $order_time + $tmout) {
            return true;
        } else {
            $delta = $order_time + $tmout - time();
            QueueClient::async_push("QueryMchOrderTimeout", ['mchid' => $mchid, 'mch_order' => $mch_order], $delta);
            return false;
        }
    }

    public function monitor(order $order)
    {
        $mchid = $order->mchid();
        $mch_order = $order->mch_order();
        $tmout = $this->time_out($mchid);

        QueueClient::async_push("QueryMchOrderTimeout", ['mchid' => $mchid, 'mch_order' => $mch_order], $tmout);
    }

    public function transfer_info($mchid)
    {
        if(array_key_exists($mchid,$this->mMchid2Infos))
        {
            $transfer_cfg = $this->mMchid2Infos[$mchid];
            $transfer_mchid = $transfer_cfg['transfer_mchid'];
            $admin_id = $transfer_cfg['admin_id'];

            return [$transfer_mchid,$admin_id];
        }

        return [0,0];
    }

    public function transfers()
    {
        return $this->mMchid2Infos;
    }
}