<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Str;

class BlogPost extends Model
{
    protected $fillable = ['title', 'slug', 'excerpt', 'content', 'image', 'status', 'published_at'];

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

    protected static function boot()
    {
        parent::boot();
        static::creating(function ($post) {
            if (empty($post->slug)) {
                $post->slug = Str::slug($post->title);
            }
            if (empty($post->excerpt) && $post->content) {
                $post->excerpt = Str::limit(strip_tags($post->content), 160);
            }
        });
    }

    public function getImageUrlAttribute()
    {
        return $this->image ? asset('storage/' . $this->image) : asset('images/no-blog.png');
    }

    public function scopePublished($query)
    {
        return $query->where('status', true)
                     ->whereNotNull('published_at')
                     ->where('published_at', '<=', now());
    }
}