<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Article extends Model
{
    use HasFactory;

    protected $fillable = [
        'title',
        'slug',
        'summary',
        'content_md',
        'cover',
        'author',
        'view_count',
        'status',
        'published_at',
        'seo_title',
        'seo_description',
    ];

    protected $casts = [
        'published_at' => 'datetime',
    ];

    public function tags()
    {
        return $this->belongsToMany(Tag::class)->withTimestamps();
    }

    public function comments()
    {
        return $this->hasMany(Comment::class, 'target_id')
            ->where('target_type', 'article');
    }

    public function scopePublished($query)
    {
        return $query->where('status', 'published');
    }
}