<?php

namespace app\common\service;

use app\common\model\demand\Biddings;
use app\common\traits\ServiceTrait;
use Exception;
use think\Db;

class DemandBiddingService
{
    use ServiceTrait;

    /** @var Biddings */
    public static $Model = Biddings::class;

    // 竞标状态
    const STATUS_BIDDING_NO = 0; //无
    const STATUS_BIDDING_ONGOING = 1; //竞标中
    const STATUS_BIDDING_WIN = 2; //中标
    const STATUS_BIDDING_FAILED = 3; //未中标

    const BIDDING_STATUS_MAP = [
        self::STATUS_BIDDING_NO => '无',
        self::STATUS_BIDDING_ONGOING => '竞标中',
        self::STATUS_BIDDING_WIN => '中标',
        self::STATUS_BIDDING_FAILED => '未中标',
    ];

    // 竞标状态
    const STATUS_PROCESS_NO = 0; //未处理
    const STATUS_PROCESS_ONGOING = 1; //待确认
    const STATUS_PROCESS_CONFIRMED = 2; //已确认
    const STATUS_PROCESS_FAILED = 3; //已拒绝
    const STATUS_PROCESS_TIMEOUT = 4; //超时弃权

    const PROCESS_STATUS_MAP = [
        self::STATUS_PROCESS_NO => '未处理',
        self::STATUS_PROCESS_ONGOING => '待确认',
        self::STATUS_PROCESS_CONFIRMED => '已确认',
        self::STATUS_PROCESS_FAILED => '已拒绝',
        self::STATUS_PROCESS_TIMEOUT => '超时弃权',
    ];


    /**
     * 创建竞标记录
     *
     * @param array $data 需求数据
     * @param int $userId 用户ID
     * @return bool
     * @throws Exception
     */
    public static function create($data, $userId)
    {
        $saveData = $data + [
                'user_id' => $userId,
                'bidding_status' => self::STATUS_BIDDING_ONGOING,
                'process_status' => self::STATUS_PROCESS_NO,
            ];

        $result = self::$Model::create($saveData);
        if (!$result) {
            throw new Exception('需求保存失败');
        }

        return true;
    }

    public static function joinBidding()
    {

    }

    /**
     * 设为中标
     * @param $demandBidding
     * @return void
     */
    public static function setWin($demandBidding)
    {
        DB::transaction(function () use ($demandBidding) {
            $demandId = $demandBidding->demand_id;
            $demand = DemandService::getOne(['id' => $demandId]);
            $where = ['demand_id' => $demandId, 'bidding_status' => DemandBiddingService::STATUS_BIDDING_WIN];
            $winBidding = DemandBiddingService::where($where)->find();
            if ($winBidding) {
                exception('请先执行重置投标操作');
            }
            if ($demandBidding->bidding_status != CommonService::ONGOING) {
                exception('用户投标状态异常不能中标');
            }
            //设置为已中标
            $demandBidding->bidding_status = DemandBiddingService::STATUS_BIDDING_WIN;
            $demandBidding->process_status = DemandBiddingService::STATUS_PROCESS_ONGOING;
            $saveRes = $demandBidding->save();
            if (!$saveRes) {
                exception('更新中标状态失败');
            }
            //发送接单成功提醒消息
            $msgData = [
                'values' => [
                    $demand->parent_order_no,
                    mb_substr($demand->desc, 0, 8),
                    mb_substr($demand->desc, 0, 11),
                    SubscribeMessageService::MSG_MAP[SubscribeMessageService::MSG_TEMP_DEMAND_RECEIVE]['remark'],
                ]
            ];
            (new EasyWeChatService())->sendMsg($demandBidding->user_id, SubscribeMessageService::MSG_TEMP_DEMAND_RECEIVE, $msgData);
        });
    }
}