#!/usr/bin/env node
import { startServer, DEFAULT_BOARD } from './serve.mjs';
import { busReader } from './bus.mjs';
import { loadSystem, socketPath } from '../../cli/src/config.mjs';
import { ID_PATTERN } from '../../business/src/vocabulary.mjs';
const args = process.argv.slice(2);
const usage = 'node packages/webui/src/cli.mjs serve [--port N] [--board http://127.0.0.1:7331] [--business ID]';
try {
  if (args.length === 1 && ['--help', '-h'].includes(args[0])) { console.log(usage); process.exit(0); }
  if (args.shift() !== 'serve') throw new Error(usage);
  const options = { board: DEFAULT_BOARD, port: 7330 };
  while (args.length) {
    const flag = args.shift(), value = args.shift();
    if (!value) throw new Error(`missing value for ${flag}`);
    if (flag === '--port') {
      if (!/^\d+$/.test(value) || Number(value) > 65535) throw new Error('port must be 0..65535');
      options.port = Number(value);
    } else if (flag === '--board') options.board = value;
    else if (flag === '--business') {
      if (!ID_PATTERN.test(value)) throw new Error('business must be a business id');
      options.business = value;
    }
    else throw new Error(`unknown option: ${flag}`);
  }
  // The bus views (slice 1 S5) need the system config. Without it the
  // board still serves and the bus routes answer not-configured.
  let bus = null, busLine;
  try {
    const { dataRoot } = loadSystem();
    bus = busReader({ dataRoot, socket: socketPath(dataRoot), business: options.business ?? null });
    busLine = `Bus: ${options.business ?? 'the running bus host\'s business'}`;
  } catch (err) { busLine = `Bus: not configured (${err.message})`; }
  const server = await startServer({ board: options.board, port: options.port, bus });
  console.log(`Mosaic Console: http://127.0.0.1:${server.address().port}/\nBoard: ${options.board}\n${busLine}\nCtrl-C stops this server.`);
  for (const signal of ['SIGINT', 'SIGTERM']) process.once(signal, () => server.close());
} catch (err) {
  console.error(`refused: ${err.message}`);
  process.exitCode = 2;
}