import type { APIRoute } from 'astro';

const POCKETBASE_URL = import.meta.env.POCKETBASE_URL || 'http://127.0.0.1:8090';

const POCKETBASE_ID_REGEX = /^[a-z0-9]{15}$/;

export const POST: APIRoute = async ({ url }) => {
  try {
    const postId = url.searchParams.get('postId');

    if (!postId || !POCKETBASE_ID_REGEX.test(postId)) {
      return new Response(
        JSON.stringify({ error: 'Некорректный postId' }),
        { status: 400, headers: { 'Content-Type': 'application/json' } }
      );
    }

    const postRes = await fetch(
      `${POCKETBASE_URL}/api/collections/posts/records/${postId}`,
    );

    if (!postRes.ok) {
      return new Response(
        JSON.stringify({ error: 'Пост не найден' }),
        { status: 404, headers: { 'Content-Type': 'application/json' } }
      );
    }

    const post = await postRes.json();
    const newViews = (post.views || 0) + 1;

    await fetch(
      `${POCKETBASE_URL}/api/collections/posts/records/${postId}`,
      {
        method: 'PATCH',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ views: newViews }),
      }
    );

    return new Response(
      JSON.stringify({ views: newViews }),
      { status: 200, headers: { 'Content-Type': 'application/json' } }
    );

  } catch (error) {
    console.error('[Increment Views API] Error:', error);
    return new Response(
      JSON.stringify({ error: 'Внутренняя ошибка сервера' }),
      { status: 500, headers: { 'Content-Type': 'application/json' } }
    );
  }
};