import 'dotenv/config'

const requiredEnvVars = [
  'HTTP_PROXY',
  'POSTGREST_URL',
  'NODE_ENV',
  'WORKER_CONNECTION_STRING',
  'PORT',
] as const;

const getEnvVar = (key: typeof requiredEnvVars[number]): string => {
  const value = process.env[key];
  if (!value) {
    throw new Error(`Missing ${key} env var`);
  }
  return value;
};

export interface Config {
  postgrestUrl: string;
  httpProxy: string;
  nodeEnv: string;
  workerConnectionString: string;
  port: number;
}


export const configs: Config = {
  httpProxy: getEnvVar('HTTP_PROXY'),
  postgrestUrl: getEnvVar('POSTGREST_URL'),
  nodeEnv: getEnvVar('NODE_ENV'),
  workerConnectionString: getEnvVar('WORKER_CONNECTION_STRING'),
  port: parseInt(getEnvVar('PORT')),
}