first commit

environment/config.ts

@@ -0,0 +1,69 @@
+import { echo } from "@atums/echo";
+import { validateJWTConfig } from "#lib/validation";
+import { cassandraConfig, validateCassandraConfig } from "./database/cassandra";
+import { jwt } from "./jwt";
+
+import type { Environment } from "#types/config";
+
+const environment: Environment = {
+	port: Number.parseInt(process.env.PORT || "8080", 10),
+	host: process.env.HOST || "0.0.0.0",
+	development:
+		process.env.NODE_ENV === "development" || process.argv.includes("--dev"),
+};
+
+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_FQDN",
+	];
+
+	let hasError = false;
+
+	for (const key of requiredVariables) {
+		const value = process.env[key];
+		if (value === undefined || value.trim() === "") {
+			echo.error(`Missing or empty environment variable: ${key}`);
+			hasError = true;
+		}
+	}
+
+	const validateCassandra = validateCassandraConfig(cassandraConfig);
+
+	if (!validateCassandra.isValid) {
+		echo.error("Cassandra configuration validation failed:");
+		for (const error of validateCassandra.errors) {
+			echo.error(`- ${error}`);
+		}
+		hasError = true;
+	}
+
+	const validateJWT = validateJWTConfig(jwt);
+
+	if (!validateJWT.valid) {
+		echo.error("JWT configuration validation failed:");
+		echo.error(`- ${validateJWT.error}`);
+		hasError = true;
+	}
+
+	if (hasError) {
+		process.exit(1);
+	}
+}
+
+export { environment, verifyRequiredVariables };