<?php

namespace App\Models;

use Illuminate\Database\Eloquent\SoftDeletes;
use RuLong\Panel\Extensions\Tree;
use RuLong\Panel\Models\Storage;

class Category extends Model
{

    use SoftDeletes;

    public function parent()
    {
        return $this->belongsTo(Category::class);
    }

    public function children()
    {
        return $this->hasMany(Category::class, 'parent_id');
    }

    public function storage()
    {
        return $this->belongsTo(Storage::class)->withDefault();
    }

    public function goods()
    {
        return $this->hasMany(Goods::class);
    }

    public static function treeSelect($parent_id = 0)
    {
        $menus = self::orderBy('sort', 'asc')->get()->toArray();
        $menus = Tree::toFormatTree($menus, 'title', 'id', 'parent_id', $parent_id);
        return $menus;
    }

    public static function treeShow($id = 0)
    {
        $menus = self::when($id, function ($query) use ($id) {
            return $query->where('id', '<>', $id);
        })->orderBy('sort', 'asc')->get()->toArray();

        $menus = Tree::toFormatTree($menus);

        $menus = array_merge([0 => ['id' => 0, 'title_show' => '顶级分类']], $menus);
        return $menus;
    }

    //查找顶级分类id
    public static function findTop($id, $topPatentid)
    {
        $category_ids = Category::orderBy('id', 'desc')->pluck('parent_id', 'id');
        do {
            $id = $category_ids[$id];
        } while ($category_ids[$id] != $topPatentid);

        return $id;
    }
}