<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Post extends Model
{
    protected $fillable = ['user_id', 'body', 'video_id', 'image'];

    public function user()
    {
        return $this->belongsTo(User::class);
    }

    public function video()
    {
        return $this->belongsTo(Video::class)->withDefault();
    }

    public function reactions()
    {
        return $this->hasMany(PostReaction::class);
    }

    public function postImages()
    {
        return $this->hasMany(PostImage::class)->orderBy('sort_order');
    }

    public function postVideos()
    {
        return $this->hasMany(PostVideo::class)->with('video')->orderBy('sort_order');
    }

    public function isLikedBy(?User $user): bool
    {
        if (! $user) return false;
        return $this->reactions()->where('user_id', $user->id)->exists();
    }

    public function getReactionCountAttribute(): int
    {
        return $this->reactions()->count();
    }

    public function getImageUrlAttribute(): ?string
    {
        if (! $this->image) return null;
        if (str_starts_with($this->image, 'users/')) {
            return route('media.post-image', $this->image);
        }
        return asset('storage/post_images/' . $this->image);
    }
}