<?php

namespace App\Service\v3\Implementations;

use App\Constants\v3\ErrorCode;
use App\Exception\ErrorCodeException;
use App\Model\v3\ShoppingCart;
use App\Model\v3\Store;
use App\Service\v3\Interfaces\AppointmentTimeServiceInterface;
use phpDocumentor\Reflection\Types\Object_;

class AppointmentTimeService implements AppointmentTimeServiceInterface
{
    public function do()
    {
        return [
            '尽快送达',
            '08:30 - 09:00',
            '09:00 - 09:30',
            '09:30 - 10:00',
            '10:00 - 10:30'
        ];
    }

    public function check()
    {
        // TODO: Implement check() method.
    }

    public function undo()
    {
        // TODO: Implement undo() method.
    }

    public function get($shopcartIds)
    {
        $shopcartIds = explode(',',$shopcartIds);
        $sotreIds = ShoppingCart::query()->whereIn('id',$shopcartIds)->pluck('store_id');
        $stores = Store::query()->whereIn('id',$sotreIds)->get()->toArray();
		$time1Arr = [];
		$time2Arr = [];
		$time3Arr = [];
		$time4Arr = [];
		$nowTime = time();
        $closedTime = strtotime('19:30');
		//取得所有店铺营业时间交集
		foreach($stores as $store){
		    //店铺手动 点击歇业
			if($store['is_rest'] == 1){
                throw new ErrorCodeException(ErrorCode::STORE_REST);
			}
			//当前时间小于 开始营业时间
			$time1 = strtotime(($store['time1']));
			if($nowTime < $time1){
                throw new ErrorCodeException(ErrorCode::STORE_REST);
			}

            if($nowTime > $closedTime){
                throw new ErrorCodeException(ErrorCode::STORE_REST);
            }

            $time2 = strtotime(($store['time2']));
			if(!empty($store['time3'])  && !empty($store['time4'])){
				$time3 = strtotime(($store['time3']));
				$time4 = strtotime(($store['time4']));
				array_push($time3Arr,$time3);
				array_push($time4Arr,$time4);
				$endTime = $time4;
			}else{
				$endTime = $time2;
			}
			if(($nowTime+60*30) > $endTime){
                throw new ErrorCodeException(ErrorCode::STORE_REST);
			}
			array_push($time1Arr,$time1);
			array_push($time2Arr,$time2);			
		}
		$res = [];
		$time1Max = max($time1Arr);
        $time2Min = min($time2Arr);
        if($time2Min > $nowTime) {
            $res[] = $this->calculateTime($time1Max, $time2Min);
        }
		if(!empty($time3Arr)  && !empty($time4Arr)){
            $time3Max = max($time3Arr);
		    $time4Min = min($time4Arr);
            if($time4Min > $nowTime) {
                $res[] = $this->calculateTime($time3Max, $time4Min);
            }
		}
        return array_shift($res);
    }

    function calculateTime($startTime,$endTime)
    {
        $nowTime = time();
        //如果开始时间小于当前时间则取当前时间
        if($nowTime > $startTime){
            $startTime = ceil($nowTime / (30*60)) * (30*60);
        }
        //高峰段 区间
        $peakPeriod = strtotime('16:00');
        $peakPeriodEnd = strtotime('18:00');
        $span = ($peakPeriodEnd -  $peakPeriod)/(30*60);
        //取得订单下所有店铺时间段 交集 并计算时间段横跨单位区间长度
        $length = ceil(($endTime - $startTime) / (30*60));
        for ($i=1;$i<=$length;$i++){
            $addTime = $startTime + (30*60*$i);
            if($addTime >= $peakPeriod && $addTime < $peakPeriodEnd){
                $i+=$span;
                $addTime = $startTime + (30*60*$i);
            }
            $date['title'] = date('H:i',$addTime) . ' - ' . date('H:i',$addTime + (30*60));
            $date['value'] = date('H:i',$addTime) . ' - ' . date('H:i',$addTime + (30*60));
            $res[] = $date;
        }
        return $res;
    }
}