<?php

declare(strict_types=1);

namespace App\Services\Comment;

use App\Models\Comment;
use App\Models\Post;
use App\Services\PaginableResource;
use App\Services\QueryRequestModifiers\Comment\CommentFilter;
use App\Services\QueryRequestModifiers\Comment\CommentFilterDTO;
use App\Services\QueryRequestModifiers\Comment\CommentOrder;
use App\Services\QueryRequestModifiers\Comment\CommentOrderDTO;

class PostCommentService implements CommentServiceInterface
{
    public function __construct(
        protected readonly CommentFilter $commentFilter,
        protected readonly CommentOrder $commentOrder,
        protected readonly int $paginate = 10,
    ) {
    }

    public function fetchComments(int $remoteId, int $page, ?CommentFilterDTO $filters, ?CommentOrderDTO $orderDef): PaginableResource
    {
        $post = Post::findOrFail($remoteId);

        $comments = $this->commentOrder->apply(
            $this->commentFilter->apply($post->comments()->getQuery(), $filters),
            $orderDef
        )->paginate($this->paginate);

        return PaginableResource::createFromLengthAwarePaginator($comments);
    }

    public function storeComment(array $data, int $postId): ?Comment
    {
        $post = Post::findOrFail($postId);

        $comment = $post->comments()->create([
            'content' => $data['content'],
        ]);

        return Comment::findOrFail($comment->id);
    }

    public function deleteComment(int $remoteId, int $id): bool
    {
        $post = Post::find($remoteId);

        if ($post === null) {
            return false;
        }

        $comment = $post->comments()->find($id);

        if ($comment === null) {
            return false;
        }

        return $comment->delete();
    }

    public function updateComment(array $data, int $remoteId, int $id): ?Comment
    {
        $post = Post::find($remoteId);

        if ($post === null) {
            return null;
        }

        $comment = $post->comments()->find($id);

        if ($comment === null) {
            return null;
        }

        $comment->update($data);

        return Comment::findOrFail($comment->id);
    }
}