// Import the Nostr SDK package
import { NDKNip07Signer } from "@nostr-dev-kit/ndk";
import NDK from "@nostr-dev-kit/ndk";

document.querySelector('button').addEventListener('click', login);

async function fetchUserProfile(npub, ndk) {
  try {
    console.log('Fetching user profile for npub:', npub);
    const user = ndk.getUser({ npub });
    await user.fetchProfile();
    console.log("User profile:", user.profile);
    return user;
  } catch (error) {
    console.error("Error fetching user profile:", error);
    throw error;
  }
}
const relays = (["wss://nostr.happytavern.co"])
const ndk = new NDK({ explicitRelayUrls: relays });


async function login() {
  try {
    const signer = new NDKNip07Signer();

    // Connect to the NDK
    await ndk.connect();

    // Wait for the user to be obtained from the signer
    const user = await signer.user();

    if (!!user.pubkey && user.npub) {
      console.log("Permission granted to read their public key:", user.pubkey);

      // Fetch user profile
      const userProfile = await fetchUserProfile(user.npub, ndk);
      const displayName = userProfile.profile.displayName;

      console.log("User's display name:", displayName);

      // Check if user's public key exists in the nostr.json
      const nostrJsonResponse = await fetch('/.well-known/nostr.json');
      if (!nostrJsonResponse.ok) {
        throw new Error('Failed to fetch nostr.json: ' + nostrJsonResponse.statusText);
      }
      const nostrJson = await nostrJsonResponse.json();
      console.log("nostrJson object:", nostrJson);

      if (nostrJson.names[displayName] === user.pubkey) {
        // User exists in nostr.json, proceed with further authentication or actions
        console.log('User authenticated successfully.');
        // Redirect or show UI for file upload
        showFileUploadUI();
      } else {
        console.log('User not found in the authentication database.');
        alert('User not found in the authentication database.');
      }
    } else {
      console.log('User information not available from signer.');
    }
  } catch (error) {
    console.error('Error during authentication:', error);
    alert('Error during authentication: ' + error.message);
  }
}

function showFileUploadUI() {
  // Show UI for file upload
  console.log('Show file upload UI...');
  // Implement UI logic for file upload
}