<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use App\Traits\ModelLogChanging;

class StationCacheShelfGrid extends Model
{
    use ModelLogChanging;

    protected $fillable = ['station_id', 'material_box_id', 'grid_id', 'status'];

    public static $status = [
        '0' => '无',
        '1' => '待处理',
    ];

    public function station(): BelongsTo
    {
        return $this->belongsTo(Station::class);
    }

    public function materialBox(): BelongsTo
    {
        return $this->belongsTo(MaterialBox::class);
    }

    /**
     * 根据格口计算位置
     * @param Station $station
     * @param StationCacheShelfGrid $grid
     * @return string
     */
    public static function getLocation(Station $station, StationCacheShelfGrid $grid): string
    {
        $code = $station['code'];
        $grid_id = $grid['grid_id'];
        $row = 2 - round($grid_id / 3) + 1;
        $col = 2 - ($grid_id % 3) + 1;
        return 'HAI' . $code . '-0' . $col . '-0' . $row;
    }

    /**
     * 根据位置计算 grid_id 和 station code
     * @param $code
     * @return array|false[]
     */
    public static function getGridByCode($code): array
    {
        $arr = [];
        preg_match('/^HAI([\w\.\ ]+)-0([0-9]+)-0([0-9]+)/',$code,$arr);
        if(count($arr)==0)return [false,false,null,null];
        $stationCode =$arr[1] ?? false;
        $col = $arr[2] ?? 0;  // 列
        $row = $arr[3] ?? 0;  // 行
        $gridId = ($row-1)*3 + (3-$col);
        return [$stationCode,$gridId,$row,$col];
    }
}