import { logger } from "@creations.works/logger";

const environment: Environment = {
	port: Number.parseInt(process.env.PORT || "", 10),
	host: process.env.HOST || "0.0.0.0",
	development:
		process.env.NODE_ENV === "development" || process.argv.includes("--dev"),
};

const frontend: FrontendConfig = {
	origin: process.env.FRONTEND_ORIGIN || "",
};

function verifyRequiredVariables(): void {
	const requiredVariables = [
		"HOST",
		"PORT",

		"REDIS_URL",
		"REDIS_TTL",

		"CASSANDRA_HOST",
		"CASSANDRA_PORT",
		"CASSANDRA_CONTACT_POINTS",
		"CASSANDRA_AUTH_ENABLED",
		"CASSANDRA_DATACENTER",

		"JWT_SECRET",
		"JWT_EXPIRATION",
		"JWT_ISSUER",

		"FRONTEND_ORIGIN",
	];

	let hasError = false;

	for (const key of requiredVariables) {
		const value = process.env[key];
		if (value === undefined || value.trim() === "") {
			logger.error(`Missing or empty environment variable: ${key}`);
			hasError = true;
		}
	}

	if (hasError) {
		process.exit(1);
	}
}

export * from "@config/cassandra";
export * from "@config/jwt";
export * from "@config/redis";

export { environment, frontend, verifyRequiredVariables };