// Copyright 2013 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/chromeos/login/login_display_host_impl.h"
#include "chrome/browser/chromeos/login/login_manager_test.h"
#include "chrome/browser/chromeos/login/startup_utils.h"
#include "chrome/browser/chromeos/login/user_adding_screen.h"
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "content/public/test/test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"

using namespace testing;

namespace {

const char* kTestUsers[] = {"test-user@gmail.com",
                            "test-user1@gmail.com",
                            "test-user2@gmail.com"};

}  // anonymous namespace

namespace chromeos {

class UserAddingScreenTest : public LoginManagerTest,
                             public UserAddingScreen::Observer {
 public:
  UserAddingScreenTest() : LoginManagerTest(false),
                           user_adding_started_(0),
                           user_adding_finished_(0) {
  }

  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
    LoginManagerTest::SetUpCommandLine(command_line);
    command_line->AppendSwitch(::switches::kMultiProfiles);
  }

  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
    LoginManagerTest::SetUpInProcessBrowserTestFixture();
    UserAddingScreen::Get()->AddObserver(this);
  }

  virtual void OnUserAddingFinished() OVERRIDE { ++user_adding_finished_; }

  virtual void OnUserAddingStarted() OVERRIDE { ++user_adding_started_; }

  int user_adding_started() { return user_adding_started_; }

  int user_adding_finished() { return user_adding_finished_; }

 private:
  int user_adding_started_;
  int user_adding_finished_;

  DISALLOW_COPY_AND_ASSIGN(UserAddingScreenTest);
};

IN_PROC_BROWSER_TEST_F(UserAddingScreenTest, PRE_CancelAdding) {
  RegisterUser(kTestUsers[0]);
  RegisterUser(kTestUsers[1]);
  RegisterUser(kTestUsers[2]);
  StartupUtils::MarkOobeCompleted();
}

IN_PROC_BROWSER_TEST_F(UserAddingScreenTest, CancelAdding) {
  EXPECT_CALL(login_utils(), DoBrowserLaunch(_, _)).Times(1);
  EXPECT_EQ(UserManager::Get()->GetUsers().size(), 3u);
  EXPECT_EQ(UserManager::Get()->GetLoggedInUsers().size(), 0u);

  LoginUser(kTestUsers[0]);
  EXPECT_EQ(UserManager::Get()->GetLoggedInUsers().size(), 1u);

  UserAddingScreen::Get()->Start();
  content::RunAllPendingInMessageLoop();
  EXPECT_EQ(user_adding_started(), 1);

  UserAddingScreen::Get()->Cancel();
  content::RunAllPendingInMessageLoop();
  EXPECT_EQ(user_adding_finished(), 1);

  EXPECT_TRUE(LoginDisplayHostImpl::default_host() == NULL);
  EXPECT_EQ(UserManager::Get()->GetLoggedInUsers().size(), 1u);
  EXPECT_EQ(UserManager::Get()->GetActiveUser()->email(), kTestUsers[0]);
}

IN_PROC_BROWSER_TEST_F(UserAddingScreenTest, PRE_AddingSeveralUsers) {
  RegisterUser(kTestUsers[0]);
  RegisterUser(kTestUsers[1]);
  RegisterUser(kTestUsers[2]);
  StartupUtils::MarkOobeCompleted();
}

IN_PROC_BROWSER_TEST_F(UserAddingScreenTest, AddingSeveralUsers) {
  EXPECT_CALL(login_utils(), DoBrowserLaunch(_, _)).Times(3);
  LoginUser(kTestUsers[0]);
  for (int i = 1; i < 3; ++i) {
    UserAddingScreen::Get()->Start();
    content::RunAllPendingInMessageLoop();
    EXPECT_EQ(user_adding_started(), i);
    AddUser(kTestUsers[i]);
    EXPECT_EQ(user_adding_finished(), i);
    EXPECT_TRUE(LoginDisplayHostImpl::default_host() == NULL);
    EXPECT_EQ(UserManager::Get()->GetLoggedInUsers().size(), unsigned(i + 1));
  }
}

}  // namespace chromeos