import { render } from "gfm";
import "https://esm.sh/prismjs@1.29.0/components/prism-typescript?no-check";
import "https://esm.sh/prismjs@1.29.0/components/prism-bash?no-check";
import "https://esm.sh/prismjs@1.29.0/components/prism-rust?no-check";

export type Document = {
  name: string;
  lastModified: number;
  contentType: string;
  content: string | null;
  size: number;
  perm: string;
};

function removeFrontmatter(doc: string) {
  if (doc.trim().startsWith("---")) {
    return doc.trim().split("---").filter((s) => s.length).slice(1).join("---");
  }
  return doc;
}

export function removeImage(doc: string, imageUrl?: string) {
  if (!imageUrl) {
    return doc;
  }
  // Remove image from content
  const first = doc.slice(0, 500);
  const second = doc.slice(500);

  // Regex pattern to match the image Markdown syntax with the specific URL
  const pattern = new RegExp(
    `!\\[.*?\\]\\(${imageUrl.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")}\\)`,
    "g",
  );

  // Remove the matched image
  const updatedMarkdown = first.replace(pattern, "");
  return updatedMarkdown + second;
}

export function renderMarkdown(doc: string) {
  return render(removeFrontmatter(doc), {
    baseUrl: "https://max-richter.dev",
    allowMath: true,
  });
}

export function createDocument(
  path: string,
  entry: string,
  mimetype = "image/jpeg",
) {
  console.log("creating", { path, entry, mimetype });
}