<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Http\Requests\StorePostRequest;
use App\Http\Requests\UpdatePostRequest;
use App\Http\Resources\PostResource;
use App\Models\Post;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
use Illuminate\Http\Response;

class PostController extends Controller
{
    public function index(Request $request): AnonymousResourceCollection
    {
        $posts = Post::query()
            ->with(['user', 'category', 'tags'])
            ->when($request->string('status')->toString(), fn ($query, $status) => $query->where('status', $status))
            ->when($request->integer('category_id'), fn ($query, $categoryId) => $query->where('category_id', $categoryId))
            ->latest('created_at')
            ->paginate(20);

        return PostResource::collection($posts);
    }

    public function store(StorePostRequest $request): PostResource
    {
        $post = Post::query()->create([
            ...$request->safe()->except('tags'),
            'user_id' => $request->user()->id,
        ]);

        $post->tags()->sync($request->safe()->input('tags', []));

        return new PostResource($post->load(['user', 'category', 'tags']));
    }

    public function show(Post $post): PostResource
    {
        return new PostResource($post->load(['user', 'category', 'tags']));
    }

    public function update(UpdatePostRequest $request, Post $post): PostResource
    {
        $post->update($request->safe()->except('tags'));

        if ($request->has('tags')) {
            $post->tags()->sync($request->safe()->input('tags', []));
        }

        return new PostResource($post->load(['user', 'category', 'tags']));
    }

    public function destroy(Post $post): Response
    {
        $post->delete();

        return response()->noContent();
    }
}