<?php

namespace App\Http\Resources\Api;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class PostResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        return [
            'id' => $this->id,
            'post_category_id' => $this->post_category_id,
            'title' => $this->title,
            'slug' => $this->slug,
            'excerpt' => $this->excerpt,
            'content' => $this->content,
            'thumbnail' => $this->thumbnail,
            'status' => $this->status,
            'is_featured' => (bool) $this->is_featured,
            'view_count' => (int) $this->view_count,
            'reading_time' => $this->reading_time,
            'meta_title' => $this->meta_title,
            'meta_description' => $this->meta_description,
            'published_at' => $this->published_at?->toISOString(),
            'created_at' => $this->created_at?->toISOString(),
            'updated_at' => $this->updated_at?->toISOString(),
            'category' => $this->whenLoaded('category', fn () => new PostCategoryResource($this->category)),
            'related_posts' => $this->when(isset($this->related_posts), fn () => $this->related_posts->map(fn ($post) => [
                'id' => $post->id,
                'post_category_id' => $post->post_category_id,
                'title' => $post->title,
                'slug' => $post->slug,
                'excerpt' => $post->excerpt,
                'thumbnail' => $post->thumbnail,
                'status' => $post->status,
                'is_featured' => (bool) $post->is_featured,
                'view_count' => (int) $post->view_count,
                'reading_time' => $post->reading_time,
                'published_at' => $post->published_at?->toISOString(),
                'category' => $post->relationLoaded('category') && $post->category
                    ? new PostCategoryResource($post->category)
                    : null,
            ])->values()),
        ];
    }
}