<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Modules\SystemTool\Models\SysFileModel;

/**
 * 小程序首页宫格导航
 */
class HomeNavModel extends Model
{
    /** 状态：停用 */
    public const int STATUS_DISABLED = 0;
    /** 状态：正常 */
    public const int STATUS_NORMAL = 1;

    protected $table = 'mini_home_nav';
    protected $primaryKey = 'id';

    protected $fillable = [
        'name',
        'image_id',
        'link',
        'sort',
        'status',
    ];

    protected $casts = [
        'image_id' => 'integer',
        'sort' => 'integer',
        'status' => 'integer',
        'created_at' => 'datetime:Y-m-d H:i:s',
        'updated_at' => 'datetime:Y-m-d H:i:s',
    ];

    protected $appends = ['image_url'];

    protected $with = ['image'];

    /**
     * 关联图标
     */
    public function image(): HasOne
    {
        return $this->hasOne(SysFileModel::class, 'id', 'image_id');
    }

    /**
     * 图标链接
     */
    public function getImageUrlAttribute(): ?string
    {
        return $this->image?->preview_url;
    }
}