import * as fs from 'fs';
import {command, defaultValue, help, namespace, param} from 'oo-cli';
import * as path from 'path';
import {appContext} from '../../lib/AppContext';
import {AppPackager} from '../../lib/AppPackager';
import {die} from '../../lib/die';
import {directoryExists} from '../../lib/directoryExists';
import {formatError} from '../../lib/formatError';

@namespace('app')
export class PackageCommand {
  @param
  @help('The root directory of the app')
  @defaultValue('./')
  public path!: string;

  @command
  @help('Prepare a package for manual upload')
  public async package() {
    try {
      const workingDir = process.cwd();
      if (!directoryExists(this.path)) {
        die('Specified path to app does not exist');
        return;
      }
      process.chdir(this.path);

      const context = appContext();
      if (!context.appId || !context.version) {
        die('Unable to read App ID or version info. Ensure you are uploading the right directory.');
        return;
      }

      if (context) {
        const packageData = await new AppPackager('./').package();
        const zipFileName = `${context.appId}@${context.version}.zip`;
        fs.writeFileSync(path.join(workingDir, zipFileName), packageData);
        console.log(`Created package ${zipFileName}`);
      }
    } catch (e: any) {
      die(formatError(e));
    }
  }
}