// 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 <string>

#include "base/command_line.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "chrome/browser/extensions/extension_action.h"
#include "chrome/browser/extensions/extension_action_manager.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/page_action_controller.h"
#include "chrome/browser/extensions/tab_helper.h"
#include "chrome/browser/extensions/test_extension_system.h"
#include "chrome/browser/sessions/session_id.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_builder.h"
#include "chrome/common/extensions/value_builder.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/test/test_browser_thread.h"

#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/browser/chromeos/settings/cros_settings.h"
#include "chrome/browser/chromeos/settings/device_settings_service.h"
#endif

namespace extensions {
namespace {

class PageActionControllerTest : public ChromeRenderViewHostTestHarness {
 protected:
  virtual void SetUp() OVERRIDE {
    ChromeRenderViewHostTestHarness::SetUp();
#if defined OS_CHROMEOS
  test_user_manager_.reset(new chromeos::ScopedTestUserManager());
#endif
    TabHelper::CreateForWebContents(web_contents());
    // Create an ExtensionService so the PageActionController can find its
    // extensions.
    CommandLine command_line(CommandLine::NO_PROGRAM);
    Profile* profile =
        Profile::FromBrowserContext(web_contents()->GetBrowserContext());
    extension_service_ = static_cast<TestExtensionSystem*>(
        ExtensionSystem::Get(profile))->CreateExtensionService(
            &command_line, base::FilePath(), false);
  }

  virtual void TearDown() OVERRIDE {
#if defined OS_CHROMEOS
    test_user_manager_.reset();
#endif
    ChromeRenderViewHostTestHarness::TearDown();
  }

  int tab_id() {
    return SessionID::IdForTab(web_contents());
  }

  ExtensionService* extension_service_;

 private:
#if defined OS_CHROMEOS
  chromeos::ScopedTestDeviceSettingsService test_device_settings_service_;
  chromeos::ScopedTestCrosSettings test_cros_settings_;
  scoped_ptr<chromeos::ScopedTestUserManager> test_user_manager_;
#endif
};

TEST_F(PageActionControllerTest, NavigationClearsState) {
  scoped_refptr<const Extension> extension =
      ExtensionBuilder()
      .SetManifest(DictionaryBuilder()
                   .Set("name", "Extension with page action")
                   .Set("version", "1.0.0")
                   .Set("manifest_version", 2)
                   .Set("permissions", ListBuilder()
                        .Append("tabs"))
                   .Set("page_action", DictionaryBuilder()
                        .Set("default_title", "Hello")))
      .Build();
  extension_service_->AddExtension(extension.get());

  NavigateAndCommit(GURL("http://www.google.com"));

  ExtensionAction& page_action =
      *ExtensionActionManager::Get(profile())->GetPageAction(*extension.get());
  page_action.SetTitle(tab_id(), "Goodbye");
  page_action.SetPopupUrl(
      tab_id(), extension->GetResourceURL("popup.html"));

  EXPECT_EQ("Goodbye", page_action.GetTitle(tab_id()));
  EXPECT_EQ(extension->GetResourceURL("popup.html"),
            page_action.GetPopupUrl(tab_id()));

  // Within-page navigation should keep the settings.
  NavigateAndCommit(GURL("http://www.google.com/#hash"));

  EXPECT_EQ("Goodbye", page_action.GetTitle(tab_id()));
  EXPECT_EQ(extension->GetResourceURL("popup.html"),
            page_action.GetPopupUrl(tab_id()));

  // Should discard the settings, and go back to the defaults.
  NavigateAndCommit(GURL("http://www.yahoo.com"));

  EXPECT_EQ("Hello", page_action.GetTitle(tab_id()));
  EXPECT_EQ(GURL(), page_action.GetPopupUrl(tab_id()));
};

}  // namespace
}  // namespace extensions