import { Express, ErrorRequestHandler } from "express";
import { getConfig } from "./config";
import "express-async-errors";

const template400 = getConfig("errors:400");
const template500 = getConfig("errors:500");

export const createErrorHandlers = (app: Express) => {

    app.use((req, resp) => {
        resp.statusCode = 404;
        resp.render(template400);
    });

    const handler: ErrorRequestHandler = (error, req, resp, next) => {
        console.log(error);
        if (resp.headersSent) {
            return next(error);
        }
        try {
            resp.statusCode = 500;
            resp.render(template500, { error} );
        } catch (newErr) {
            next(error);
        }
    }
    app.use(handler);
}