import type { IncomingMessage, ServerResponse } from "node:http";

export function json(res: ServerResponse, data: unknown, status = 200): void {
	res.writeHead(status, { "Content-Type": "application/json" });
	res.end(JSON.stringify(data));
}

export function readBody(req: IncomingMessage): Promise<Record<string, unknown>> {
	return new Promise((resolve, reject) => {
		let body = "";
		req.on("data", (chunk: Buffer) => {
			body += chunk.toString();
		});
		req.on("end", () => {
			try {
				resolve(JSON.parse(body));
			} catch {
				reject(new Error("无效 JSON"));
			}
		});
		req.on("error", reject);
	});
}