#!/usr/bin/env node

import { argv, IEither, Either } from '@emprespresso/pengueno';
import { runServer } from '@emprespresso/uptime';

const main = (_argv = process.argv.slice(2)): Promise<IEither<Error, void>> =>
    argv(
        ['--run-server', '--port', '--host'],
        {
            '--run-server': { absent: false, unspecified: true, present: () => true },
            '--port': { absent: 9000, present: (port) => parseInt(port) },
            '--host': { absent: '0.0.0.0', present: (host) => host },
        },
        _argv,
    )
        .mapRight((args) => ({
            server_mode: args['--run-server'],
            port: args['--port'],
            host: args['--host'],
        }))
        .flatMapAsync(async (runConfig) => {
            if (!runConfig.server_mode) {
                return Either.right(<void>undefined);
            }
            return runServer(runConfig.port, runConfig.host);
        });

if (process.argv[1] === import.meta.filename) {
    await main().then((eitherDone) =>
        eitherDone.mapLeft((err) => {
            console.error('error:', err);
            process.exit(1);
        }),
    );
}