<?php

namespace app\common\model;

use support\Model;

class UsedCarDetailAudit extends Model
{
    /**
     * The connection name for the model.
     *
     * @var string|null
     */
    protected $connection = 'mysql';

    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'used_car_detail_audit';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = true;

    protected $dateFormat = 'U';

    /**
     * 允许自动填充模型字段
     */
    protected $fillable = [
        'id', 'car_id', 'auditor_id', 'audit_status', 'audit_reason',
        'before_status', 'after_status', 'created_at', 'updated_at'
    ];

    /**
     * 不允许自动填充模型字段
     */
    protected $guarded = [];

    /**
     * 审核状态文本
     */
    public static $statusText = [
        0 => '待审核',
        1 => '审核通过',
        2 => '审核拒绝',
    ];

    /**
     * 关联车辆
     */
    public function car()
    {
        return $this->belongsTo(UsedCarDetail::class, 'car_id', 'id');
    }

    /**
     * 关联审核人
     */
    public function auditor()
    {
        return $this->belongsTo(\app\common\model\User::class, 'auditor_id', 'id');
    }

    /**
     * 获取审核状态文本
     */
    public function getAuditStatusTextAttribute()
    {
        return self::$statusText[$this->audit_status] ?? '未知';
    }

    /**
     * 作用域：通过审核
     */
    public function scopeApproved($query)
    {
        return $query->where('audit_status', 1);
    }

    /**
     * 作用域：拒绝审核
     */
    public function scopeRejected($query)
    {
        return $query->where('audit_status', 2);
    }

    /**
     * 作用域：待审核
     */
    public function scopePending($query)
    {
        return $query->where('audit_status', 0);
    }
}