import type { Component } from 'svelte';

export interface PostMetadata {
  title: string;
  date: string;
  description: string;
  tags?: string[];
}

export interface Post extends PostMetadata {
  slug: string;
}

export interface PostModule {
  default: Component;
  metadata: PostMetadata;
}

const postLoaders = import.meta.glob<PostModule>('/src/posts/*.svx');

function getSlugFromPath(path: string): string {
  return path.split('/').pop()?.replace('.svx', '') ?? '';
}

export function getPostSlugs(): string[] {
  return Object.keys(postLoaders)
    .map((path) => getSlugFromPath(path))
    .sort();
}

export async function getPost(slug: string): Promise<PostModule | undefined> {
  const path = `/src/posts/${slug}.svx`;
  const loader = postLoaders[path];

  if (!loader) {
    return undefined;
  }

  return loader();
}