import process from 'node:process';
import {EventEmitter} from 'node:events';

import minimist from 'minimist';
import dotenv from 'dotenv';

import {addTelemetry} from '../telemetry.ts';
import {GoogleApiContainer} from '../containers/google_api/GoogleApiContainer.ts';
import {getAuthConfig} from './getAuthConfig.ts';
import {urlToFolderId} from '../utils/idParsers.ts';
import {FolderRegistryContainer} from '../containers/folder_registry/FolderRegistryContainer.ts';
import {usage} from './usage.ts';
import {initEngine} from './initEngine.ts';

const __filename = import.meta.filename;
const __dirname = import.meta.dirname;

process.env.GIT_SHA = process.env.GIT_SHA || 'dev';

dotenv.config();
await addTelemetry(process.env.ZIPKIN_SERVICE || 'wikigdrive', __dirname);

async function main() {
  const argv = minimist(process.argv.slice(2));

  if (argv._.length < 1 || argv.h || argv.help) {
    await usage(__filename);
    process.exit(0);
  }

  const args = argv._.slice(1);

  // PWD is null on Windows, so we can set it here
  process.env.PWD = process.cwd();

  const workdir = argv['workdir'] || process.env.VOLUME_DATA || '/data';

  const {mainFileService, containerEngine} = await initEngine(workdir);

  const params = {
    client_id: argv['client_id'] || process.env.CLIENT_ID,
    client_secret: argv['client_secret'] || process.env.CLIENT_SECRET,
    service_account: argv['service_account'] || null,
  };

  const authConfig = await getAuthConfig(params, mainFileService);

  const apiContainer = new GoogleApiContainer({ name: 'google_api' }, authConfig);
  await apiContainer.mount(await mainFileService);
  await containerEngine.registerContainer(apiContainer);
  await apiContainer.run();

  const folderId = urlToFolderId(args[0]);
  if (!folderId) {
    throw new Error('No folderId');
  }

  const eventBus = new EventEmitter();
  eventBus.setMaxListeners(0);
  eventBus.on('panic:invalid_grant', () => {
    process.exit(1);
  });
  eventBus.on('panic', (error) => {
    throw error;
  });

  const folderRegistryContainer = new FolderRegistryContainer({ name: 'folder_registry' });
  await folderRegistryContainer.mount(await mainFileService);
  await containerEngine.registerContainer(folderRegistryContainer);
  await folderRegistryContainer.run();
  await folderRegistryContainer.pruneFolder(folderId);

  await containerEngine.flushData();
}

try {
  await main();
  process.exit(0);
} catch (err) {
  if (err.isUsageError) {
    console.error(err.message);
    await usage(__filename);
  } else {
    console.error(err);
  }
  process.exit(1);
}