import { initializeApp, getApps } from 'firebase/app'

export default defineNuxtPlugin(() => {
  const config = useRuntimeConfig()

  const firebaseConfig = {
    apiKey: config.public.firebaseApiKey || 'AIzaSyDP1IxP7ntZ5k3agzulPjW_dDsQMKsMPck',
    authDomain: config.public.firebaseAuthDomain || 'xflow-d8dd5.firebaseapp.com',
    projectId: config.public.firebaseProjectId || 'xflow-d8dd5',
    appId: config.public.firebaseAppId || '1:944408960366:web:4d2cd393e85a0ca9b4357f',
    messagingSenderId: config.public.firebaseMessagingSenderId || '944408960366',
    storageBucket: (config.public as any).firebaseStorageBucket || 'xflow-d8dd5.firebasestorage.app'
  }

  if (!firebaseConfig.apiKey) {
    console.warn('[Firebase] API key not configured. Google Sign-In will not work.')
    return
  }

  if (!getApps().length) {
    initializeApp(firebaseConfig)
    console.log('[Firebase] Initialized with project:', firebaseConfig.projectId)
  }
})