// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/os_crypt/test_support.h"

#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "chrome/elevation_service/elevator.h"
#include "chrome/install_static/buildflags.h"
#include "chrome/install_static/install_constants.h"
#include "chrome/install_static/install_modes.h"
#include "chrome/installer/util/install_service_work_item.h"
#include "chrome/installer/util/util_constants.h"
#include "chrome/windows_services/service_program/test_support/scoped_log_grabber.h"

namespace os_crypt {

namespace {

void UnInstallService() {
  std::ignore = installer::InstallServiceWorkItem::DeleteService(
      install_static::GetElevationServiceName(),
      install_static::GetClientStateKeyPath(),
      {install_static::GetElevatorClsid()}, {install_static::GetElevatorIid()});
}

}  // namespace

namespace switches {

// Encrypt the data in input-filename and place the result in output-filename.
const char kAppBoundTestModeEncrypt[] = "encrypt";
// Decrypt the data in input-filename and place the result in output-filename.
const char kAppBoundTestModeDecrypt[] = "decrypt";
// The input file for encryption or decryption.
const char kAppBoundTestInputFilename[] = "input-filename";
// The output file for encryption or decryption.
const char kAppBoundTestOutputFilename[] = "output-filename";

}  // namespace switches

FakeInstallDetails::FakeInstallDetails(bool use_old_elevator_interface)
    : constants_(install_static::kInstallModes[0]) {
  // AppGuid determines registry locations, so use a test one.
#if BUILDFLAG(USE_GOOGLE_UPDATE_INTEGRATION)
  constants_.app_guid = L"testguid";
#endif

  // This is the CLSID of the test interface, used if
  // kElevatorClsIdForTestingSwitch is supplied on the command line of the
  // elevation service.
  constants_.elevator_clsid = {elevation_service::kTestElevatorClsid};

  if (use_old_elevator_interface) {
    // This is the IID of the non-channel specific IElevator Interface. See
    // chrome/elevation_service/elevation_service_idl.idl.
    // {A949CB4E-C4F9-44C4-B213-6BF8AA9AC69C}
    constants_.elevator_iid = {0xA949CB4E,
                               0xC4F9,
                               0x44C4,
                               {0xB2, 0x13, 0x6B, 0xF8, 0xAA, 0x9A, 0xC6,
                                0x9C}};  // IElevator IID and TypeLib
  } else {
    // This is the IID of the non-channel specific IElevator2 Interface. See
    // chrome/elevation_service/elevation_service_idl.idl.
    // {8F7B6792-784D-4047-845D-1782EFBEF205}
    constants_.elevator_iid = {0x8F7B6792,
                               0x784D,
                               0x4047,
                               {0x84, 0x5D, 0x17, 0x82, 0xEF, 0xBE, 0xF2,
                                0x05}};  // IElevator2 IID and TypeLib
  }
  // These are used to generate the name of the service, so keep them
  // different from any real installs.
  constants_.base_app_name = L"testapp";
  constants_.base_app_id = L"testapp";

  // This is needed for shell_integration::GetDefaultBrowser which runs on
  // startup.
  constants_.browser_prog_id_prefix = L"TestHTM";
  constants_.pdf_prog_id_prefix = L"TestPDF";

  set_mode(&constants_);
  set_system_level(true);
}

std::optional<base::ScopedClosureRunner> InstallService(
    const ScopedLogGrabber& log_grabber,
    bool fake_reencrypt) {
  base::FilePath exe_dir;
  base::PathService::Get(base::DIR_EXE, &exe_dir);
  base::CommandLine service_cmd(
      exe_dir.Append(installer::kElevationServiceExe));
  service_cmd.AppendSwitch(
      elevation_service::switches::kElevatorClsIdForTestingSwitch);
  log_grabber.AddLoggingSwitches(service_cmd);
  if (fake_reencrypt) {
    service_cmd.AppendSwitch(
        elevation_service::switches::kFakeReencryptForTestingSwitch);
  }
  installer::InstallServiceWorkItem install_service_work_item(
      install_static::GetElevationServiceName(),
      install_static::GetElevationServiceDisplayName(), /*description=*/{},
      SERVICE_DEMAND_START, service_cmd,
      base::CommandLine(base::CommandLine::NO_PROGRAM),
      install_static::GetClientStateKeyPath(),
      {install_static::GetElevatorClsid()}, {install_static::GetElevatorIid()});
  install_service_work_item.set_best_effort(true);
  install_service_work_item.set_rollback_enabled(false);
  if (!install_service_work_item.Do()) {
    return std::nullopt;
  }
  return base::ScopedClosureRunner(base::BindOnce(&UnInstallService));
}

}  // namespace os_crypt