import 'dart:async';
import 'dart:convert';
import 'dart:io';

import 'package:dartboard_resume/dartboard_parser.dart';
import 'package:dartboard_resume/render.dart';
import 'package:hotreloader/hotreloader.dart';
import 'package:logging/logging.dart' as logging;
import 'package:toml/toml.dart';

StreamSubscription<FileSystemEvent>? fileStreamSub;
StreamSubscription<String>? stdinStreamSub;

Future<void> main(List<String> arguments) async {
  const String tomlFilePath = "resume.toml";
  logging.hierarchicalLoggingEnabled = true;
  HotReloader.logLevel = logging.Level.INFO;
  final HotReloader reloader = await HotReloader.create();

  stdin.lineMode = false;
  stdin.echoMode = false;
  stdin.echoNewlineMode = false;
  stdinStreamSub = stdin.transform(const Utf8Decoder()).transform(const LineSplitter()).listen(
    (event) {
      if (event == "r") {
        stdout.writeln("Triggering pdf render...");
        renderPdf(tomlFilePath, force: true);
      }
      if (event == "p") {
        stdout.writeln("Current toml map:");
        stdout.writeln(TomlDocument.loadSync(tomlFilePath).toMap());
        final dartboardData = DartboardData.fromToml(tomlFilePath);
        dartboardData.miscList.forEach(stdout.writeln);
      }
    },
  );

  ProcessSignal.sigint.watch().listen((_) {
    stdout.writeln('SIGINT received. Exiting gracefully...');
    fileStreamSub?.cancel();
    stdinStreamSub?.cancel();
    // Perform cleanup or other necessary actions here
    reloader.stop();
    exit(0); // Exit with code 0 to indicate a successful termination
  });
  if (FileSystemEntity.isWatchSupported) {
    final fileStream = File(tomlFilePath).watch(events: FileSystemEvent.modify);
    fileStreamSub = fileStream.listen((e) {
      renderPdf(tomlFilePath);
    });
    stdout.writeln('Watching for file changes.');
  } else {
    renderPdf(tomlFilePath);
  }
}