<?php namespace Zoomyboy\Social\Models;

use Illuminate\Database\Eloquent\Builder;
use Model;

/**
 * Post Model
 */
class Post extends Model
{
    use \October\Rain\Database\Traits\Validation;

    /**
     * @var string The database table used by the model.
     */
    public $table = 'zoomyboy_social_posts';

    /**
     * @var array Guarded fields
     */
    protected $guarded = ['*'];

    /**
     * @var array Fillable fields
     */
    protected $fillable = ['message', 'href', 'remote_id', 'created_at', 'updated_at'];

    /**
     * @var array Validation rules for attributes
     */
    public $rules = [];

    /**
     * @var array Attributes to be cast to native types
     */
    protected $casts = [];

    /**
     * @var array Attributes to be cast to JSON
     */
    protected $jsonable = [];

    /**
     * @var array Attributes to be appended to the API representation of the model (ex. toArray())
     */
    protected $appends = [];

    /**
     * @var array Attributes to be removed from the API representation of the model (ex. toArray())
     */
    protected $hidden = [];

    /**
     * @var array Attributes to be cast to Argon (Carbon) instances
     */
    protected $dates = [
        'created_at',
        'updated_at'
    ];

    /**
     * @var array Relations
     */
    public $hasOne = [];
    public $hasMany = [
        'attachments' => [ Attachment::class, 'post_id' ]
    ];
    public $belongsTo = [
        'page' => [ Page::class, 'page_id' ]
    ];
    public $belongsToMany = [];
    public $morphTo = [];
    public $morphOne = [];
    public $morphMany = [];
    public $attachOne = [];
    public $attachMany = [];

    public function beforeDelete() {
        $this->attachments->each->delete();        
    }

    // ---------------------------------- Getters ----------------------------------
    // *****************************************************************************
    public function getFeaturedImageAttribute(): ?string
    {
        return optional($this->attachments->first())->href;
    }

    // ---------------------------------- Scopes -----------------------------------
    // *****************************************************************************
    public function scopeWithIntro(Builder $q): Builder
    {
        return $q->selectSub('SELECT SUBSTRING(message, 1, 200)', 'intro');
    }
}