import * as routes from './routes/index.js';
import * as url from 'node:url';
import express from 'express';

let dumpHttpEndpoints = false;

function logPrefixed(...args) {
    console.log('%', ...args);
}

function logHttpHeader() {
    if (!dumpHttpEndpoints) return;
    logPrefixed('@baseUrl=http://localhost:3000');
    logPrefixed('@username=admin');
    logPrefixed('@password=admin');
    logPrefixed('@email=admin@example.com');
    logPrefixed('@userType=admin');
    logPrefixed('@accessToken=someValueXyzXyz');
    logPrefixed('');
    logPrefixed('');
}

function logHttpEntry(method, route, routeMethod) {
    console.log(
        'Registering',
        method.toUpperCase(),
        route + ':',
        routeMethod.description || 'No description provided'
    );
    if (!dumpHttpEndpoints) return;

    if (routeMethod.description) logPrefixed('#', routeMethod.description);

    logPrefixed(method, '{{baseUrl}}' + route, 'HTTP/1.1');

    if (routeMethod.exampleHeaders) {
        for (var key of Object.keys(routeMethod.exampleHeaders)) {
            logPrefixed(`${key}: ${routeMethod.exampleHeaders[key]}`);
        }
    }

    if (routeMethod.exampleBody) {
        logPrefixed('Content-Type: application/json');
        logPrefixed('');
        logPrefixed(
            JSON.stringify(routeMethod.exampleBody, null, 4).replaceAll(
                '\n',
                '\n% '
            )
        );
        logPrefixed('');
    }

    logPrefixed('');
    logPrefixed('###');
}

export function registerRoutes(app) {
    logHttpHeader();
    let routeCount = 0;

    Object.keys(routes).forEach(routeName => {
        /**
         * @type {RouteDescription}
         */
        const route = routes[routeName];
        if (route === undefined) return;

        Object.keys(route.methods).forEach(routeMethodName => {
            /**
             * @type {RouteMethod}
             */
            const routeMethod = route.methods[routeMethodName];
            if (routeMethod === undefined) return;

            logHttpEntry(
                routeMethodName.toUpperCase(),
                route.path,
                routeMethod
            );
            app[routeMethodName](route.path, [
                ...(routeMethod.middlewares || []),
                routeMethod.method
            ]);
            routeCount++;
        });
    });

    console.log(`Registered ${routeCount} routes.`);
}

// Check if the script is run directly, to create the routes.html file.
if (import.meta.url.startsWith('file:')) {
    const modulePath = url.fileURLToPath(import.meta.url);
    if (process.argv[1] === modulePath) {
        const app = express();
        dumpHttpEndpoints = true;
        registerRoutes(app);
        process.exit(1);
    }
}