/**
 * Create WeTTY server
 * @module WeTTy
 */
import yargs from 'yargs';
import { logger } from './shared/logger.js';
import { startServer } from './server.js';
import { loadConfigFile, mergeCliConf } from './shared/config.js';

const opts = yargs
  .options('conf', {
    type: 'string',
    description: 'config file to load config from',
  })
  .option('ssl-key', {
    type: 'string',
    description: 'path to SSL key',
  })
  .option('ssl-cert', {
    type: 'string',
    description: 'path to SSL certificate',
  })
  .option('ssh-host', {
    description: 'ssh server host',
    type: 'string',
  })
  .option('ssh-port', {
    description: 'ssh server port',
    type: 'number',
  })
  .option('ssh-user', {
    description: 'ssh user',
    type: 'string',
  })
  .option('title', {
    description: 'window title',
    type: 'string',
  })
  .option('ssh-auth', {
    description:
      'defaults to "password", you can use "publickey,password" instead',
    type: 'string',
  })
  .option('ssh-pass', {
    description: 'ssh password',
    type: 'string',
  })
  .option('ssh-key', {
    demand: false,
    description:
      'path to an optional client private key (connection will be password-less and insecure!)',
    type: 'string',
  })
  .option('force-ssh', {
    description: 'Connecting through ssh even if running as root',
    type: 'boolean',
  })
  .option('known-hosts', {
    description: 'path to known hosts file',
    type: 'string',
  })
  .option('base', {
    alias: 'b',
    description: 'base path to wetty',
    type: 'string',
  })
  .option('port', {
    alias: 'p',
    description: 'wetty listen port',
    type: 'number',
  })
  .option('host', {
    description: 'wetty listen host',
    type: 'string',
  })
  .option('command', {
    alias: 'c',
    description: 'command to run in shell',
    type: 'string',
  })
  .option('allow-iframe', {
    description:
      'Allow wetty to be embedded in an iframe, defaults to allowing same origin',
    type: 'boolean',
  })
  .option('help', {
    alias: 'h',
    type: 'boolean',
    description: 'Print help message',
  })
  .boolean('allow_discovery').argv;

if (!opts.help) {
  loadConfigFile(opts.conf)
    .then(config => mergeCliConf(opts, config))
    .then(conf =>
      startServer(conf.ssh, conf.server, conf.command, conf.forceSSH, conf.ssl),
    )
    .catch((err: Error) => {
      logger.error(err);
      process.exitCode = 1;
    });
} else {
  yargs.showHelp();
  process.exitCode = 0;
}