import type {LogLevel} from '@rocicorp/logger';
import {newLogContext} from './logger.js';
import {newApp} from './app.js';

const port = process.env.PORT || 8080; // default port to listen

if (process.env.ADMIN_PW === undefined) {
  throw 'ADMIN_PW environment variable must be set';
}

let logLevel: LogLevel = 'debug';
if (process.env.LOG_LEVEL === 'info' || process.env.LOG_LEVEL === 'error') {
  logLevel = process.env.LOG_LEVEL;
}
const allowNewlines =
  process.env.NODE_ENV !== 'production' && process.env.NODE_ENV !== 'staging';
const lc = newLogContext(logLevel, allowNewlines);

// start the Express server
const app = newApp(process.env.ADMIN_PW, lc);
app.listen(port, () => {
  // This is a helpful hint for when developing. We don't log if the
  // pw is non-empty, as it is in production.
  if (process.env.ADMIN_PW === '') {
    lc.info?.("admin user is 'admin', pw is empty string");
  }
  lc.info?.(`server started at http://localhost:${port}`);
});