// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/sync/sync_global_error.h"

#include "base/basictypes.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/signin/signin_manager.h"
#include "chrome/browser/signin/signin_manager_factory.h"
#include "chrome/browser/sync/profile_sync_service_mock.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/webui/signin/login_ui_service.h"
#include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
#include "chrome/test/base/browser_with_test_window_test.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/test/test_browser_thread.h"
#include "testing/gmock/include/gmock/gmock-actions.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

using ::testing::NiceMock;
using ::testing::Return;
using ::testing::ReturnRef;
using ::testing::_;
using content::BrowserThread;

namespace {

class FakeLoginUIService: public LoginUIService {
 public:
  FakeLoginUIService() : LoginUIService(NULL) {}
};

class FakeLoginUI : public LoginUIService::LoginUI {
 public:
  FakeLoginUI() : focus_ui_call_count_(0) {}

  virtual ~FakeLoginUI() {}

  int focus_ui_call_count() const { return focus_ui_call_count_; }

 private:
  // Overridden from LoginUIService::LoginUI:
  virtual void FocusUI() OVERRIDE {
    ++focus_ui_call_count_;
  }
  virtual void CloseUI() OVERRIDE {}

  int focus_ui_call_count_;
};

BrowserContextKeyedService* BuildMockLoginUIService(
    content::BrowserContext* profile) {
  return new FakeLoginUIService();
}

// Same as BrowserWithTestWindowTest, but uses MockBrowser to test calls to
// ExecuteCommand method.
class SyncGlobalErrorTest : public BrowserWithTestWindowTest {
 public:
  SyncGlobalErrorTest() {}
  virtual ~SyncGlobalErrorTest() {}

 private:
  DISALLOW_COPY_AND_ASSIGN(SyncGlobalErrorTest);
};

// Utility function to test that SyncGlobalError behaves correct for the given
// error condition.
void VerifySyncGlobalErrorResult(NiceMock<ProfileSyncServiceMock>* service,
                                 FakeLoginUIService* login_ui_service,
                                 Browser* browser,
                                 SyncGlobalError* error,
                                 GoogleServiceAuthError::State error_state,
                                 bool is_signed_in,
                                 bool is_error) {
  EXPECT_CALL(*service, HasSyncSetupCompleted())
              .WillRepeatedly(Return(is_signed_in));

  GoogleServiceAuthError auth_error(error_state);
  EXPECT_CALL(*service, GetAuthError()).WillRepeatedly(ReturnRef(auth_error));

  error->OnStateChanged();

  // If there is an error then a menu item and bubble view should be shown.
  EXPECT_EQ(error->HasMenuItem(), is_error);
  EXPECT_EQ(error->HasBubbleView(), is_error);

  // If there is an error then labels should not be empty.
  EXPECT_NE(error->MenuItemCommandID(), 0);
  EXPECT_NE(error->MenuItemLabel().empty(), is_error);
  EXPECT_NE(error->GetBubbleViewAcceptButtonLabel().empty(), is_error);

  // We never have a cancel button.
  EXPECT_TRUE(error->GetBubbleViewCancelButtonLabel().empty());
  // We always return a hardcoded title.
  EXPECT_FALSE(error->GetBubbleViewTitle().empty());

  // TODO(altimofeev): Implement this for ChromeOS in a way that doesn't involve
  //                   subclassing Browser or using GMock on browser/ui types
  //                   which is banned. Consider observing
  //                   NOTIFICATION_APP_TERMINATING instead.
  //                   http://crbug.com/134675
#if !defined(OS_CHROMEOS)
  // Test message handler.
  if (is_error) {
    FakeLoginUI* login_ui = static_cast<FakeLoginUI*>(
        login_ui_service->current_login_ui());
    error->ExecuteMenuItem(browser);
    ASSERT_GT(login_ui->focus_ui_call_count(), 0);
    error->BubbleViewAcceptButtonPressed(browser);
    error->BubbleViewDidClose(browser);
  }
#endif
}

} // namespace

// Test that SyncGlobalError shows an error if a passphrase is required.
TEST_F(SyncGlobalErrorTest, PassphraseGlobalError) {
  scoped_ptr<Profile> profile(
      ProfileSyncServiceMock::MakeSignedInTestingProfile());
  NiceMock<ProfileSyncServiceMock> service(profile.get());
  SigninManagerBase* signin =
      SigninManagerFactory::GetForProfile(profile.get());
  FakeLoginUIService* login_ui_service = static_cast<FakeLoginUIService*>(
      LoginUIServiceFactory::GetInstance()->SetTestingFactoryAndUse(
          profile.get(), BuildMockLoginUIService));
  FakeLoginUI login_ui;
  login_ui_service->SetLoginUI(&login_ui);
  SyncGlobalError error(&service, signin);

  browser_sync::SyncBackendHost::Status status;
  EXPECT_CALL(service, QueryDetailedSyncStatus(_))
              .WillRepeatedly(Return(false));

  EXPECT_CALL(service, IsPassphraseRequired())
              .WillRepeatedly(Return(true));
  EXPECT_CALL(service, IsPassphraseRequiredForDecryption())
              .WillRepeatedly(Return(true));
  VerifySyncGlobalErrorResult(
      &service, login_ui_service, browser(), &error,
      GoogleServiceAuthError::NONE, true, true);
}