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

import 'package:args/command_runner.dart';
import 'package:intl/intl.dart';
import 'package:path/path.dart';

import '../../core/env.dart';
import 'common.dart';

class LinuxBuildCommand extends Command with BuildCommandCommonSteps {
  @override
  String get description => "Linux build command";

  @override
  String get name => "linux";

  @override
  FutureOr? run() async {
    stdout.writeln("Replacing versions");

    final appDataFile = File(
      join(cwd.path, "linux", "com.github.KRTirtho.Spotube.appdata.xml"),
    );

    appDataFile.writeAsStringSync(
      appDataFile.readAsStringSync().replaceAll(
            versionVarRegExp,
            '<release'
            ' version="$versionWithoutBuildNumber"'
            ' date="${DateFormat("yyyy-MM-dd").format(DateTime.now())}"'
            '/>',
          ),
    );

    await bootstrap();

    await shell.run(
      """
      alias dpkg-deb="dpkg-deb --Zxz"
      flutter_distributor package --platform=linux --targets=deb
      flutter_distributor package --platform=linux --targets=rpm
      """,
    );

    final tempDir = Directory(join(Directory.systemTemp.path, "spotube-tar"))
      ..createSync(recursive: true);

    final bundleDirPath =
        join(cwd.path, "build", "linux", "x64", "release", "bundle", "*");

    final tarPath = join(
      cwd.path,
      "build",
      "spotube-linux-"
          "${CliEnv.channel == BuildChannel.nightly ? "nightly" : versionWithoutBuildNumber}"
          "-x86_64.tar.xz",
    );
    await shell.run(
      """
      cp -r $bundleDirPath ${tempDir.path}
      cp ${join(cwd.path, "linux", "spotube.desktop")} ${tempDir.path}
      cp ${join(cwd.path, "linux", "com.github.KRTirtho.Spotube.appdata.xml")} ${tempDir.path}
      cp ${join(cwd.path, "assets", "spotube-logo.png")} ${tempDir.path}
      tar -cJf $tarPath -C ${tempDir.path} .
      """,
    );

    await tempDir.delete();

    await File(tarPath).copy(join(cwd.path, "dist"));

    final ogDeb = File(
      join(
        cwd.path,
        "dist",
        pubspec.version.toString(),
        "spotube-${pubspec.version}-linux.deb",
      ),
    );

    final ogRpm = File(
      join(
        cwd.path,
        "dist",
        pubspec.version.toString(),
        "spotube-${pubspec.version}-linux.rpm",
      ),
    );

    await ogDeb.copy(
      join(cwd.path, "dist", "Spotube-linux-x86_64.deb"),
    );
    await ogRpm.copy(
      join(cwd.path, "dist", "Spotube-linux-x86_64.rpm"),
    );

    await ogDeb.delete();
    await ogRpm.delete();

    stdout.writeln("✅ Linux building done");
  }
}