import os
import json
import firebase_admin
from firebase_admin import credentials, storage

import firebase_admin
from firebase_admin import credentials, storage
import os, json

def initialize_firebase():
    try:
        firebase_admin.get_app()
    except ValueError:
        key_json = os.environ["FIREBASE_KEY"]
        key_dict = json.loads(key_json)
        cred = credentials.Certificate(key_dict)
        firebase_admin.initialize_app(cred, {
            "storageBucket": "dryasuda-9a03c.appspot.com"
        })