<?php

namespace App\JsonApi\v1\Comments;

use App\Comment;
use App\JsonApi\v1\CustomStrategy;
use CloudCreativity\LaravelJsonApi\Eloquent\AbstractAdapter;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Collection;

class Adapter extends AbstractAdapter
{

    /**
     * Mapping of JSON API attribute field names to model keys.
     *
     * @var array
     */
    protected $attributes = [];

    /**
     * Mapping of JSON API filter names to model scopes.
     *
     * @var array
     */
    protected $filterScopes = [];

    protected $fillable = [
        'user_id', 'post_id', 'body'
    ];

    protected $defaultWith = [
        'commentator'
    ];

    protected $defaultPagination = [
        'number' => 1
    ];

    protected $searchable = [
        'body'
    ];

    /**
     * Adapter constructor.
     *
     * @param  CustomStrategy  $paging
     */
    public function __construct(CustomStrategy $paging)
    {
        parent::__construct(new Comment, $paging);
    }

    /**
     * @param  Builder  $query
     * @param  Collection  $filters
     * @return void
     */
    protected function filter($query, Collection $filters)
    {
        $this->filterWithScopes($query, $filters->only('body'));

        if ($term = $filters->get('search')) {
            $query->whereLike($this->searchable, $term);
        }
    }

    protected function commentator()
    {
        return $this->belongsTo();
    }

    protected function post()
    {
        return $this->belongsTo();
    }
}