<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\App;

class Technique extends Model
{
	use HasFactory;

	public static function locale2lang($locale) {
		if (strtolower(substr($locale, 0, 2)) == 'de') return 'de';
		return 'en';
	}

	public function chapters() {
		return $this
			->belongsToMany(Technique::class, 'technique_chapter', 'parent_id', 'child_id')
			->withPivot('level', 'order')
			->orderByPivot('order')
			->using(TechniqueChapter::class);
	}

	public function relations() {
		return $this
			->belongsToMany(Technique::class, 'technique_relations', 'from_id', 'to_id')
			->withPivot('type')
			->using(TechniqueRelation::class);
	}

	public function translations() {
		return $this->hasMany(TechniqueTranslation::class);
	}

	public function getTranslatedProperty($prop, $lang = null) {
		if (is_null($lang)) $lang = App::getLocale();
		foreach ($this->translations as $translation) {
			if ($translation->locale == $lang) {
				return $translation->{$prop};
			}
		}
		return $this->{$prop};
	}

	protected $casts = [
		'index' => 'boolean',
		'requirements' => 'array',
		'rulesets' => 'array',
		'title_icons' => 'array',
	];

	protected $with = [
		'translations',
	];

}