<?php

namespace App;

use App\Repositories\ModelTranslationRepository;
use Illuminate\Database\Eloquent\Model;
use App\Observers\TranslatableModelOberserver;

class TranslatableModel extends Model
{
    protected $translatableAttributes = [];

    protected static function boot()
    {
        parent::boot();

        static::observe(TranslatableModelOberserver::class);
    }

    public function __get($attribute)
    {
        return $this->trans($attribute, app()->getLocale());
    }

    public function defaultValue($attribute)
    {
        return parent::__get($attribute);
    }

    public function trans($attribute, $locale = null)
    {
        if(in_array($attribute, $this->translatableAttributes)) {
            $currentLocale = $locale ? $locale : app()->getLocale();

            $transRepo = app(ModelTranslationRepository::class);

            $transRepo->setTranslatedModel($this);

            $value = $transRepo->getModelTranslation($this->id, $attribute, $currentLocale);

            if($value === null) {
                $value = $this->defaultValue($attribute);
            }

            return $value;
        } else {
            return $this->defaultValue($attribute);
        }
    }

    public function getTranslatableAttributes()
    {
        return $this->translatableAttributes;
    }

    public function translations()
    {
        return $this->morphMany(ModelTranslation::class, 'model');
    }

    public function scopeSearchInTranslation($query, $attribute, $keyword)
    {
        $keyword = '%' . implode('%', preg_split('//u', $keyword, -1, PREG_SPLIT_NO_EMPTY)) . '%';

        return $query->whereHas('translations', function($query) use($attribute, $keyword) {
            $query->where('attribute', $attribute)->where('content', 'LIKE', $keyword);
        });
    }
}