cli.dart

library cli;

import 'dart:io' show File, exit;
import 'package:args/args.dart' show ArgParser, ArgResults;
import 'package:emojiscraper/emojiscraper.dart' as scraper;
import 'package:interact/interact.dart' show Select, Spinner, SpinnerState;

// generated by `dart run build_runner`
import './app_info.dart' as app_info;

part './options.dart';
part './commands.dart';

Future<void> run({required List<String> args}) async {
  try {
    final app = _generate(ArgParser());

    final cli = app.parse(args);

    if (_validFlagsOrOptionsPassed(cli) == false) {
      _printNoArgsHelp();
    }

    // show help
    if (cli['help']) {
      _help(app.usage);
    }

    // show version
    if (cli['version']) {
      _version();
    }

    // list versions
    if (cli['list']) {
      await _printAvailableVersions();
    }

    var edition = cli['edition'];

    final format = cli['format'],
        writeTo = cli['writeTo'],
        interactive = cli['interactive'];

    edition ??= await _getEdition(interactive);

    final downloadSpinner = _spinner('Downloading ...');

    final data = await scraper.fetchEmojiData(edition);

    downloadSpinner.done();

    switch (writeTo) {
      case "path":
        String? emoji;
        File? file;

        switch (format) {
          case "json":
            file = await File('$edition-emoji-sequences.json').create();
            emoji = scraper.parseTextToJson(data);
            break;
          case "raw":
            file = await File('$edition-emoji-sequences.txt').create();
            emoji = data;
            break;
          default:
            _invalidState();
        }

        await file.writeAsString(emoji, flush: true);

        break;
      case "stdout":
        switch (format) {
          case "json":
            final json = scraper.parseTextToJson(data);
            print(json);
            break;
          case "raw":
            print(data);
            break;
          default:
            _invalidState();
        }
        break;
      default:
        _invalidState();
    }
  } catch (e) {
    _printAllErrors(e);
  }
}