import 'dart:io';

import 'package:flutter_test/flutter_test.dart';

import 'package:appsok/src/services/adb_service.dart';

void main() {
  group('AdbRuntimeConfig', () {
    test('prefers bundled adb when it exists', () {
      final tempDir = Directory.systemTemp.createTempSync(
        'appsok-adb-runtime-',
      );
      addTearDown(() => tempDir.deleteSync(recursive: true));

      final bundledAdb = File('${tempDir.path}/adb')..writeAsStringSync('');
      final runtime = AdbRuntimeConfig(
        bundledAdbPath: bundledAdb.path,
      ).resolve();

      expect(runtime.executablePath, bundledAdb.path);
      expect(runtime.source, AdbExecutableSource.bundled);
      expect(runtime.bundledExists, isTrue);
      expect(runtime.fallbackUsed, isFalse);
      expect(runtime.serverPort, AdbRuntimeConfig.defaultAppSokServerPort);
    });

    test('falls back to system adb when bundled adb is missing', () {
      final runtime = const AdbRuntimeConfig(
        bundledAdbPath: '/tmp/appsok-missing-adb',
      ).resolve();

      expect(runtime.executablePath, AdbRuntimeConfig.systemAdbPath);
      expect(runtime.source, AdbExecutableSource.system);
      expect(runtime.bundledExists, isFalse);
      expect(runtime.fallbackUsed, isTrue);
    });

    test('uses custom adb as an explicit override', () {
      final tempDir = Directory.systemTemp.createTempSync(
        'appsok-adb-runtime-',
      );
      addTearDown(() => tempDir.deleteSync(recursive: true));

      final bundledAdb = File('${tempDir.path}/adb')..writeAsStringSync('');
      final runtime = AdbRuntimeConfig(
        bundledAdbPath: bundledAdb.path,
        customAdbPath: '/custom/platform-tools/adb',
      ).resolve();

      expect(runtime.executablePath, '/custom/platform-tools/adb');
      expect(runtime.source, AdbExecutableSource.custom);
      expect(runtime.fallbackUsed, isFalse);
    });

    test('uses shared ADB server port when requested', () {
      final runtime = const AdbRuntimeConfig(
        serverMode: AdbServerMode.shared,
      ).resolve();

      expect(runtime.serverPort, AdbRuntimeConfig.sharedServerPort);
      expect(runtime.environment, {'ADB_SERVER_PORT': '5037'});
    });
  });

  group('AdbService', () {
    test(
      'runs adb devices with the resolved executable and server port',
      () async {
        final calls =
            <({String executable, List<String> args, String? port})>[];
        final service = AdbService(
          runtimeConfig: const AdbRuntimeConfig(
            customAdbPath: '/opt/appsok/adb',
            serverPort: 15037,
          ),
          processRunner: (executable, args, {environment}) async {
            calls.add((
              executable: executable,
              args: args,
              port: environment?['ADB_SERVER_PORT'],
            ));
            return ProcessResult(
              42,
              0,
              'List of devices attached\n'
                  'emulator-5554 device product:emu64a '
                  'model:sdk_gphone64_arm64 device:emu64a\n',
              '',
            );
          },
        );

        final devices = await service.listDevices();

        expect(calls, hasLength(1));
        expect(calls.single.executable, '/opt/appsok/adb');
        expect(calls.single.args, ['devices', '-l']);
        expect(calls.single.port, '15037');
        expect(devices.single.serial, 'emulator-5554');
        expect(devices.single.state, 'device');
        expect(devices.single.model, 'sdk_gphone64_arm64');
      },
    );

    test('runs adb install with the shared server port', () async {
      final calls = <({List<String> args, String? port})>[];
      final service = AdbService(
        runtimeConfig: const AdbRuntimeConfig(
          customAdbPath: '/opt/appsok/adb',
          serverMode: AdbServerMode.shared,
        ),
        processRunner: (_, args, {environment}) async {
          calls.add((args: args, port: environment?['ADB_SERVER_PORT']));
          return ProcessResult(42, 0, 'Success', '');
        },
      );

      final result = await service.installApk(
        serial: 'R5CT90A1B2C',
        apkPath: '/tmp/app.apk',
      );

      expect(result.succeeded, isTrue);
      expect(calls.single.args, [
        '-s',
        'R5CT90A1B2C',
        'install',
        '-r',
        '/tmp/app.apk',
      ]);
      expect(calls.single.port, '5037');
    });
  });
}