import 'dart:io';

import 'package:flutter/foundation.dart';
import 'package:path/path.dart' as path;
import 'package:path_provider/path_provider.dart';

class Paths {
  static Future<String> dataDirectory() async {
    switch (defaultTargetPlatform) {
      case TargetPlatform.linux:
        final home = Platform.environment['HOME'];
        if (home == null) return path.dirname(Platform.resolvedExecutable);
        if (await Directory(path.join(home, '.local', 'share')).exists()) {
          final target =
              await Directory(path.join(home, '.local', 'share', 'freezer'))
                  .create();
          return target.path;
        }
        return path.dirname(Platform.resolvedExecutable);
      case TargetPlatform.windows:
        String? home = Platform.environment['USERPROFILE'];
        if (home == null) {
          final drive = Platform.environment['HOMEDRIVE'];
          final homepath = Platform.environment['HOMEPATH'];
          if (drive == null || homepath == null) {
            return path.dirname(Platform.resolvedExecutable);
          }

          home = drive + homepath;
        }

        final target =
            await Directory(path.join(home, 'AppData', 'Freezer')).create();
        return target.path;
      default:
        return (await getApplicationDocumentsDirectory()).path;
    }
  }

  static Future<String> cacheDir() async {
    if (Platform.isLinux || Platform.isWindows) {
      final dataDir = await dataDirectory();
      final target = await Directory(path.join(dataDir, 'cache')).create();
      return target.path;
    }

    return (await getTemporaryDirectory()).path;
  }
}