<?php

namespace App;

use App\Traits\ModelTimeFormat;
use Illuminate\Database\Eloquent\Model;

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

class WorkOrder extends Model
{
    use ModelLogChanging;
    use ModelTimeFormat;
    use SoftDeletes;

    // 工单 信息
    protected $fillable = [
        'status',           // 状态
        'creator_id',       // 创建人
        'reviewer_id',      // 审核人
        'work_order_type_id',  // 工单类型
        'work_order_child_type_id',  // 工单子类型
        'grad',         // 紧急等级
        'remark',       // 工单信息描述
        'outer_table_name',   // 链接表名
        'outer_table_id',     // 表id
        'review_at',            // 审核时间
    ];

    static public $enums = [
        'status' => [
            '' => 0,
            '待审核' => 1,
            '已处理' => 2,
        ],
        'grad' => [
            '' => 0,
            '一般' => 1,
            '重要' => 2,
            '紧急' => 3,
            '重要且紧急' => 4,
        ],
    ];

    function __construct(array $attributes = [])
    {
        foreach (self::$enums as &$enum) {
            $enum = $enum + array_flip($enum);
        }
        parent::__construct($attributes);
    }

    public function getStatusAttribute($value)
    {
        if (!$value) return '';
        return self::$enums['status'][$value];
    }

    public function setStatusAttribute($value)
    {
        if (!$value) return 0;
        if (is_numeric($value)) {
            $this->attributes['status'] = $value;
        } else {
            $this->attributes['status'] = self::$enums['status'][$value];
        }
    }

    public function getGradAttribute($value)
    {
        if (!$value) return '';
        return self::$enums['grad'][$value];
    }

    public function setGradAttribute($value)
    {
        if (!$value) return 0;
        if (is_numeric($value)) {
            $this->attributes['grad'] = $value;
        } else {
            $this->attributes['grad'] = self::$enums['grad'][$value];
        }
    }

    // 创建人
    public function creator(): BelongsTo
    {
        return $this->belongsTo(User::class, 'creator_id');
    }

    // 审核人
    public function reviewer(): BelongsTo
    {
        return $this->belongsTo(User::class, 'reviewer_id');
    }

    // 关联订单
    public function order(): BelongsTo
    {
        return $this->belongsTo(Order::class, 'outer_table_id');
    }

    // 类型
    public function type(): BelongsTo
    {
        return $this->belongsTo(WorkOrderType::class, 'work_order_type_id', 'id');
    }

    // 子类型
    public function childType(): BelongsTo
    {
        return $this->belongsTo(WorkOrderChildType::class, 'work_order_child_type_id', 'id');
    }

    public function scopeFilter($query, $filters)
    {
        return $filters->apply($query);
    }

}