function timestamp() {
	return new Date().toISOString();
}

function formatError(error) {
	if (error instanceof Error) {
		return {
			name: error.name,
			message: error.message,
			stack: error.stack,
			...(typeof error === "object" && error !== null && "$metadata" in error
				? { metadata: error.$metadata }
				: {}),
		};
	}

	return { value: String(error) };
}

const consoleMethods = {
	info: console.log,
	warn: console.warn,
	error: console.error,
	debug: console.log,
};

function log(level, step, message, details) {
	const prefix = `[${timestamp()}] [${level}] [${step}]`;
	const write = consoleMethods[level] ?? console.log;

	if (details !== undefined) {
		write(`${prefix} ${message}`, details);
		return;
	}

	write(`${prefix} ${message}`);
}

export const logger = {
	info(step, message, details) {
		log("info", step, message, details);
	},
	warn(step, message, details) {
		log("warn", step, message, details);
	},
	error(step, message, details) {
		log("error", step, message, details);
	},
	debug(step, message, details) {
		log("debug", step, message, details);
	},
	formatError,
};

export async function runStep(step, fn) {
	logger.info(step, "starting");
	try {
		const result = await fn();
		logger.info(step, "completed");
		return result;
	} catch (error) {
		logger.error(step, "failed", formatError(error));
		throw error;
	}
}