<?php

namespace refill;
use Log;

class detail_ops
{
    public function __construct()
    {
    }
    public function correct_state($partition,$start,$last)
    {
        $detail_gen = function ($part, $start,$last)
        {
            while (true)
            {
                $end = $start + 1000;
                $cond = ['detail_id&detail_id' => ['_multi' => true, ['egt', $start], ['lt', $end]]];

                $start = 0;
                $items = Model()->table('refill_detail')
                    ->partition($part)
                    ->field('detail_id,mchid,mch_order,order_state')
                    ->where($cond)
                    ->order('detail_id asc')->limit("{$start},1000")->select();

                if(empty($items)) break;

                $last_item = end($items);
                $start = intval($last_item['detail_id']);

                foreach ($items as $item)
                {
                    if ($item['order_state'] == ORDER_STATE_QUEUE) {
                        yield $item;
                    }
                }
                if($start > $last) {
                    break;
                }
            }
        };

        $state_check = function ($partition,$mchid,$mch_order)
        {
            $mod_refill = Model();
            $cond_complete = ['mchid' => $mchid, 'mch_order' => $mch_order, 'inner_status' => 0];
            $cond_sending = ['mchid' => $mchid, 'mch_order' => $mch_order];


            $item = $mod_refill->table('refill_order')->partition($partition)->where($cond_complete)->find();
            if(!empty($item))
            {
                if($item['mch_notify_state'] != 0) {
                    return ORDER_STATE_HANDLED;
                }
                else {
                    return ORDER_STATE_SEND;
                }
            }
            else
            {
                $items = $mod_refill->table('refill_order')->partition($partition)->where($cond_sending)->select();
                if(count($items) > 0) {
                    return ORDER_STATE_SEND;
                }
                else {
                    return -1;
                }
            }
        };

        $modify_state = function ($partition,$detail_id,$state)
        {
            if($state > 0 && $detail_id > 0) {
                Model()->table('refill_detail')->where(['detail_id' => $detail_id])->update(['order_state' => $state]);
            }
        };

        $details = $detail_gen($partition,$start,$last);
        foreach ($details as $item)
        {
            $mchid = $item['mchid'];
            $mch_order = $item['mch_order'];
            $detail_id = $item['detail_id'];

            $state = $state_check($partition,$mchid,$mch_order);
            Log::record("detail_id={$detail_id},mchid={$mchid},mch_order={$mch_order} order_state={$state}",Log::DEBUG);
            if($state > -1) {
                $modify_state($partition, $detail_id, $state);
            }
            if($state == ORDER_STATE_SEND) {
                Log::record("SENDING: detail_id={$detail_id},mchid={$mchid},mch_order={$mch_order} order_state={$state}",Log::DEBUG);
            }
        }
    }
}