import { loadEnvConfig } from "@next/env";

loadEnvConfig(process.cwd());

function getRequiredEnv(name: string): string {
  const value = process.env[name];
  if (!value) {
    throw new Error(`Missing required environment variable: ${name}`);
  }
  return value;
}

function getOptionalEnv(name: string): string | undefined {
  const value = process.env[name];
  return value && value.trim().length > 0 ? value : undefined;
}

export const env = {
  APP_URL: getRequiredEnv("APP_URL"),
  KEYCLOAK_BASE_URL: getRequiredEnv("KEYCLOAK_BASE_URL"),
  KEYCLOAK_REALM: getRequiredEnv("KEYCLOAK_REALM"),
  KEYCLOAK_CLIENT_ID: getRequiredEnv("KEYCLOAK_CLIENT_ID"),
  KEYCLOAK_CLIENT_SECRET: getRequiredEnv("KEYCLOAK_CLIENT_SECRET"),
  API_URL: getRequiredEnv("API_URL"),
  COOKIE_DOMAIN: getOptionalEnv("COOKIE_DOMAIN"),
};