const axios = require('axios');

// Function to get the latest Fabric download URL
async function getLatestFabricDownloadURL(gameVersion) {
  try {
    // Fetch the loader versions for the given game version
    const loaderResponse = await axios.get(`https://meta.fabricmc.net/v2/versions/loader/${gameVersion}`);
    const loaderVersions = loaderResponse.data;

    if (loaderVersions.length === 0) {
      throw new Error('No loader versions found for this game version');
    }

    // Get the latest loader version details (assuming the first is the latest)
    const latestLoader = loaderVersions[0].loader.version;

    // Fetch the installer versions
    const installerResponse = await axios.get('https://meta.fabricmc.net/v2/versions/installer');
    const installerVersions = installerResponse.data;

    if (installerVersions.length === 0) {
      throw new Error('No installer versions found');
    }

    // Get the latest installer version (assuming the first is the latest)
    const latestInstaller = installerVersions[0].version;

    // Construct the download URL
    const downloadURL = `https://meta.fabricmc.net/v2/versions/loader/${gameVersion}/${latestLoader}/${latestInstaller}/server/jar`;

    console.log(downloadURL);
    return downloadURL;
  } catch (error) {
    console.error('Error fetching Fabric versions:', error.message);
  }
}

// Retrieve the game version from command line arguments
const gameVersion = process.argv[2];

// Check if game version is provided
if (!gameVersion) {
  console.error('Please provide a game version as an argument');
  process.exit(1);
}

// Call the function with the provided game version
getLatestFabricDownloadURL(gameVersion);