<?php

namespace App\Http\Controllers;

use App\Http\Requests\MealPostsRequest;
use App\Http\Resources\MealPostsResource;
use App\Models\MealPosts;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Storage;

class MealPostController extends Controller
{
    public function index(Request $request): AnonymousResourceCollection
    {
        $perPage = max(1, min($request->integer('per_page', 15), 100));

        $mealPosts = MealPosts::query()
            ->where('user_id', $request->user()->getKey())
            ->with('user:id,name,avatar_url')
            ->latest('eaten_at')
            ->paginate($perPage)
            ->withQueryString();

        return MealPostsResource::collection($mealPosts);
    }

    public function store(MealPostsRequest $request): JsonResponse
    {
        $mealPost = MealPosts::create([
            ...$this->getValidatedDataWithImageUrl($request),
            'user_id' => $request->user()->getKey(),
        ]);

        $mealPost->setRelation('user', $request->user());

        return (new MealPostsResource($mealPost))
            ->response()
            ->setStatusCode(201);
    }

    public function show(Request $request, MealPosts $mealPost): MealPostsResource
    {
        $this->abortIfNotOwner($request, $mealPost);

        return new MealPostsResource($mealPost->loadMissing('user:id,name,avatar_url'));
    }

    public function update(MealPostsRequest $request, MealPosts $mealPost): MealPostsResource
    {
        $this->abortIfNotOwner($request, $mealPost);

        $mealPost->update($this->getValidatedDataWithImageUrl($request));

        return new MealPostsResource($mealPost->refresh()->loadMissing('user:id,name,avatar_url'));
    }

    public function destroy(Request $request, MealPosts $mealPost): Response
    {
        $this->abortIfNotOwner($request, $mealPost);

        $mealPost->delete();

        return response()->noContent();
    }

    private function abortIfNotOwner(Request $request, MealPosts $mealPost): void
    {
        abort_unless($request->user(), 401);
        abort_unless($mealPost->user_id === $request->user()->getKey(), 404);
    }

    private function getValidatedDataWithImageUrl(MealPostsRequest $request): array
    {
        $data = $request->validated();

        if ($request->hasFile('image')) {
            $path = $request->file('image')->store('meal-posts', 'public');
            $data['image_url'] = asset(Storage::url($path));
        }

        unset($data['image']);

        return $data;
    }
}