<?php

namespace App\Models;

use App\Models\Traits\FullTextSearch;
use App\Models\Traits\SortableTag;
use Illuminate\Database\Eloquent\Model;
use OwenIt\Auditing\Contracts\Auditable;
use Illuminate\Support\Facades\DB;

class Tag extends ExtendedModel
{
	use FullTextSearch;
	use SortableTag;

	protected $fillable             = [
		'type',
		'name',
		'user_id'
	];

	protected $auditInclude         = [
		'type',
		'name',
		'user_id'
	];

	protected $searchable			= [
		'type',
		'name',
	];

	protected $sortableTag = [
		'order_column_name' => 'order',
		'sort_when_creating' => true,
	];

	function __construct(array $attributes = [])
	{
		parent::__construct($attributes);
		$this->modelType			= "TAG";
	}

	public function tags()
	{
		return $this->belongsToMany('App\Models\Tag', 'tag_tag', 'parent_id', 'tag_id');
	}

	public function tags2()
	{
		return $this->belongsToMany('App\Models\Tag', 'tag_tag', 'tag_id', 'parent_id');
	}

	public function children()
	{
		return $this->belongsToMany('App\Models\Tag', 'tag_tag', 'tag_id', 'parent_id')
			->where('tag_tag.parent_id', '!=', DB::raw('`tag_tag`.`tag_id`'));
	}

	public function scopeIsRootElement($query)
	{
		return $query->doesnthave('tags');
//			->doesnthave('tags2');
		return $query->join('tag_tag as tag_tag', function($join){
			$join->on('tag_tag.parent_id', 'tags.id')
				->where('tag_tag.parent_id', DB::raw('`tag_tag`.`tag_id`'));
		})
		->addSelect('tag_tag.parent_id');
	}

	/**********/
	/* Scopes */
	/**********/

	public function scopeIsType($query, $type)
	{
		return $query->where('type', $type);
	}
}