<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\SoftDeletes;

class Post extends Model
{
    /** @use HasFactory<\Database\Factories\PostFactory> */
    use HasFactory;
    use SoftDeletes;

    protected $fillable = [
        'title',
        'slug',
        'content',
        'excerpt',
        'status',
        'published_at',
        'author_id',
        'category_id'
    ];

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

    protected function avgReadingTime(): Attribute
    {
        return new Attribute(
            get: fn ($value) => ceil(str_word_count($this->content) / 100)
        );
    }

    public function author(): BelongsTo
    {
        return $this->belongsTo(User::class, 'author_id');
    }

    public function category(): BelongsTo
    {
        return $this->belongsTo(Category::class);
    }

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