<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
/* use Illuminate\Database\Eloquent\Builder; */
use Illuminate\Database\Eloquent\Relations\HasMany;
/* use Illuminate\Database\Eloquent\Casts\Attribute; */
use CyrildeWit\EloquentViewable\InteractsWithViews;
use CyrildeWit\EloquentViewable\Contracts\Viewable;

class BlogPost extends Model implements Viewable
{
    use HasFactory, InteractsWithViews;

    protected $withCount = [
        'likes',
        'comments'
    ];

    public function tags()
    {
        return $this->morphToMany(Tag::class, 'taggable');
    }

    public function author()
    {
        /* return $this->belongsToMany(User::class, 'blog_post_author', 'blog_post_id', 'user_id'); */
        return $this->hasOneThrough(User::class, BlogPostAuthor::class, 'blog_post_id', 'id', 'id', 'user_id');
    }

    public function comments()
    {
        return $this->hasMany(BlogPostComment::class);
    }

    public function likes(): HasMany
    {
        return $this->hasMany(BlogPostLike::class);
    }

    public function isLiked(): bool
    {
        $curUser = auth()->user();
        if ($curUser) {
            return $curUser->blog_post_likes()->forBlogPost($this)->count();
        }

        return false;
    }

    public function removeLike(): bool
    {
        $curUser = auth()->user();
        if ($curUser) {
            return $curUser->blog_post_likes()->forBlogPost($this)->delete();
        }

        return false;
    }

    public function scopeContainsTag($query, $tagString): Builder
    {
        $tagId = Str::of($tagString)->split('/-/')->first();
        return Tag::find($tagId)->blogPosts();
    }
}