// Name: Link Extractor
// Description: Extracts links from dropped files and saves to JSON.
// Author: tayiorbeii
import "@johnlindquist/kit"

interface Link {
  url: string;
  referencingFile: string[];
}

const droppedFiles = await drop();if (!droppedFiles || droppedFiles.length === 0) {
  await div("No files dropped.");
  exit();
}

const allLinks: { [url: string]: Link } = {};

for (const file of droppedFiles) {
    if (typeof file === 'string') continue; // Skip if file is not an object

  try {
    const content = await readFile(file.path, "utf-8");
    const regex = /\[.*?\]\((https?:\/\/[^\s]+)\)/g;
    let match;

    while ((match = regex.exec(content)) !== null) {
      const url = match[1];
      if (allLinks[url]) {
        if (!allLinks[url].referencingFile.includes(file.name)) {
          allLinks[url].referencingFile.push(file.name);
        }
      } else {
        allLinks[url] = { url, referencingFile: [file.name] };
      }
    }
  } catch (error) {
    console.error(`Error processing file ${file.path}:`, error);
    await div(md(`Error processing file ${file.name}. Check console for details.`))
  }
}

const allLinksArray = Object.values(allLinks);

try {
  await writeFile(kenvPath("all-links.json"), JSON.stringify(allLinksArray, null, 2));
  await div(md(`Links extracted to \`all-links.json\``));
} catch (error) {
    console.error("Error writing to all-links.json:", error);
    await div(md(`Error saving links to \`all-links.json\`. Check console for details.`))
}