import HttpCodes from "@Common/system/controller-pattern/HttpCodes";
import AuthService from "@Services/common/AuthService/AuthService";
import { NextFunction, Request, Response } from "express";
import Container from "typedi";

export default function authHandler(req: Request, response: Response, next: NextFunction) {
	try {
		const authHeader = req.headers["authorization"];
		const token = authHeader && authHeader.split(" ")[1];

		if (!token) {
			response.status(HttpCodes.UNAUTHORIZED).send("Missing token in authorization header");
			return;
		}

		const authService = Container.get(AuthService);
		authService.verifyAccessToken(token, (err, userPayload) => {
			if (err) {
				response.status(HttpCodes.UNAUTHORIZED).send("Error while verifying token");
				return;
			}
			req.body.user = userPayload;
			next();
		});
	} catch (error) {
		console.error(error);
		response.status(HttpCodes.INTERNAL_ERROR).send("Internal server error");
		return;
	}
}