import dotenv from 'dotenv'
import convict from 'convict'

dotenv.config()

const {
    NODE_ENV = "development",
    PORT = 8080,
    FB_CERT_TYPE,
    FB_CERT_PROJECT_ID,
    FB_CERT_PRIVATE_KEY_ID,
    FB_CERT_PRIVATE_KEY,
    FB_CERT_CLIENT_EMAIL,
    FB_CERT_CLIENT_ID,
    FB_CERT_AUTH_URI,
    FB_CERT_TOKEN_URI,
    FB_CERT_AUTH_PROVIDER_X_509_CERT_URL,
    FB_CERT_CLIENT_X_509_CERT_URL
} = process.env;

if(!FB_CERT_TYPE) throw new Error(`FB_CERT_TYPE required but not found`)
if(!FB_CERT_PROJECT_ID) throw new Error(`FB_CERT_PROJECT_ID required but not found`)
if(!FB_CERT_PRIVATE_KEY_ID) throw new Error(`FB_CERT_PRIVATE_KEY_ID required but not found`)
if(!FB_CERT_PRIVATE_KEY) throw new Error(`FB_CERT_PRIVATE_KEY required but not found`)
if(!FB_CERT_CLIENT_EMAIL) throw new Error(`FB_CERT_CLIENT_EMAIL required but not found`)
if(!FB_CERT_CLIENT_ID) throw new Error(`FB_CERT_CLIENT_ID required but not found`)
if(!FB_CERT_AUTH_URI) throw new Error(`FB_CERT_AUTH_URI required but not found`)
if(!FB_CERT_TOKEN_URI) throw new Error(`FB_CERT_TOKEN_URI required but not found`)
if(!FB_CERT_AUTH_PROVIDER_X_509_CERT_URL) throw new Error(`FB_CERT_AUTH_PROVIDER_X_509_CERT_URL required but not found`)
if(!FB_CERT_CLIENT_X_509_CERT_URL) throw new Error(`FB_CERT_CLIENT_X_509_CERT_URL required but not found`)

const config = {
    env: NODE_ENV,
    port: PORT,
    firebase: {
        certConfig: {
            type: FB_CERT_TYPE,
            project_id: FB_CERT_PROJECT_ID,
            private_key_id: FB_CERT_PRIVATE_KEY_ID,
            private_key: FB_CERT_PRIVATE_KEY.replace(/\\n/g, '\n'),
            client_email: FB_CERT_CLIENT_EMAIL,
            client_id: FB_CERT_CLIENT_ID,
            auth_uri: FB_CERT_AUTH_URI,
            token_uri: FB_CERT_TOKEN_URI,
            auth_provider_x509_cert_url: FB_CERT_AUTH_PROVIDER_X_509_CERT_URL,
            client_x509_cert_url: FB_CERT_CLIENT_X_509_CERT_URL,
        }
    }
};

export default config;