src/lib/firebase.ts

/**
 * @license
 * SPDX-License-Identifier: Apache-2.0
 */

import { initializeApp } from 'firebase/app';
import { getAuth } from 'firebase/auth';
import { initializeFirestore, doc, getDocFromServer } from 'firebase/firestore';
import firebaseConfig from '../../firebase-applet-config.json';
import { OperationType, FirestoreErrorInfo } from '../types';

// Initialize the Firebase SDK
const app = initializeApp(firebaseConfig);

// CRITICAL: The app will break without providing the firestoreDatabaseId
export const db = initializeFirestore(app, {
  experimentalForceLongPolling: true,
}, firebaseConfig.firestoreDatabaseId);
export const auth = getAuth();

/**
 * Handle Firestore security and operational errors in accordance with strict JSON error tracking rules.
 */
export function handleFirestoreError(error: unknown, operationType: OperationType, path: string | null) {
  const errInfo: FirestoreErrorInfo = {
    error: error instanceof Error ? error.message : String(error),
    authInfo: {
      userId: auth.currentUser?.uid,
      email: auth.currentUser?.email,
      emailVerified: auth.currentUser?.emailVerified,
      isAnonymous: auth.currentUser?.isAnonymous,
      tenantId: auth.currentUser?.tenantId,
      providerInfo: auth.currentUser?.providerData?.map(provider => ({
        providerId: provider.providerId,
        email: provider.email,
      })) || []
    },
    operationType,
    path
  };
  
  console.error('Firestore Error Tracked: ', JSON.stringify(errInfo));
  throw new Error(JSON.stringify(errInfo));
}

/**
 * Validates connection to Firestore on initial boot.
 */
async function testConnection() {
  try {
    await getDocFromServer(doc(db, 'test', 'connection'));
  } catch (error) {
    if (error instanceof Error && error.message.includes('the client is offline')) {
      console.error("Please check your Firebase configuration or networks. Client appears offline.");
    }
  }
}

// Quietly test connection on startup
testConnection();