<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use App\Models\Collection;
use App\Models\CollectionComment;
use App\Services\CollectionCommentService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class CollectionCommentController extends Controller
{
    public function __construct(
        private readonly CollectionCommentService $comments,
    ) {
    }

    public function index(Request $request, Collection $collection): JsonResponse
    {
        abort_unless($collection->canBeViewedBy($request->user()), 404);

        return response()->json([
            'data' => $this->comments->mapComments($collection, $request->user()),
        ]);
    }

    public function store(Request $request, Collection $collection): JsonResponse
    {
        $this->authorize('comment', $collection);

        $data = $request->validate([
            'body' => ['required', 'string', 'min:2', 'max:4000'],
            'parent_id' => ['nullable', 'integer', 'min:1'],
        ]);

        $parent = null;
        if (! empty($data['parent_id'])) {
            $parent = CollectionComment::query()->findOrFail((int) $data['parent_id']);
            abort_unless((int) $parent->collection_id === (int) $collection->id, 404);
        }

        $this->comments->create($collection->loadMissing('user'), $request->user(), (string) $data['body'], $parent);

        return response()->json([
            'ok' => true,
            'comments' => $this->comments->mapComments($collection, $request->user()),
            'comments_count' => (int) $collection->fresh()->comments_count,
        ]);
    }

    public function destroy(Request $request, Collection $collection, CollectionComment $comment): JsonResponse
    {
        abort_unless((int) $comment->collection_id === (int) $collection->id, 404);

        $this->comments->delete($comment->load('collection'), $request->user());

        return response()->json([
            'ok' => true,
            'comments' => $this->comments->mapComments($collection, $request->user()),
            'comments_count' => (int) $collection->fresh()->comments_count,
        ]);
    }
}