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| import admin from 'firebase-admin'; | |
| import { FIREBASE_PROJECT_ID } from '../config.js'; | |
| // Service account JSON (raw or base64) in FIREBASE_SERVICE_ACCOUNT lets the generator write usage counts to Firestore. | |
| // Without it the Admin SDK can still verify ID tokens, but Firestore writes fail outside Google Cloud. | |
| function loadServiceAccount() { | |
| const raw = process.env.FIREBASE_SERVICE_ACCOUNT; | |
| if (!raw) return null; | |
| const json = raw.trim().startsWith('{') ? raw : Buffer.from(raw, 'base64').toString('utf8'); | |
| return JSON.parse(json); | |
| } | |
| if (!admin.apps.length) { | |
| try { | |
| const serviceAccount = loadServiceAccount(); | |
| admin.initializeApp({ | |
| projectId: FIREBASE_PROJECT_ID, | |
| ...(serviceAccount && { credential: admin.credential.cert(serviceAccount) }) | |
| }); | |
| console.log(`[Firebase] Initialized generator for ${FIREBASE_PROJECT_ID} (${serviceAccount ? 'service account' : 'no service account: usage counting will fail'})`); | |
| } catch (err) { | |
| console.error('[Firebase] Init notice:', err.message); | |
| } | |
| } | |
| export { admin }; | |