// Copyright 2018 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/ui/tabs/pinned_tab_service.h"

#include "base/memory/raw_ptr.h"
#include "chrome/browser/profiles/keep_alive/profile_keep_alive_types.h"
#include "chrome/browser/profiles/keep_alive/scoped_profile_keep_alive.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/browser_window/public/create_browser_window.h"
#include "chrome/browser/ui/navigator/browser_navigator_params.h"
#include "chrome/browser/ui/tabs/pinned_tab_codec.h"
#include "chrome/browser/ui/tabs/pinned_tab_service_factory.h"
#include "chrome/browser/ui/tabs/pinned_tab_test_utils.h"
#include "chrome/browser/ui/tabs/tab_enums.h"
#include "chrome/browser/ui/unload_controller.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/test_utils.h"

using PinnedTabServiceBrowserTest = InProcessBrowserTest;

// Makes sure pinned tabs are updated when tabstrip is empty.
// http://crbug.com/40519327
IN_PROC_BROWSER_TEST_F(PinnedTabServiceBrowserTest, TabStripEmpty) {
  Profile* profile = browser()->GetProfile();
  GURL url("https://www.google.com");
  NavigateParams params(browser(), url, ui::PAGE_TRANSITION_TYPED);
  ui_test_utils::NavigateToURL(&params);

  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  tab_strip_model->SetTabPinned(0, true);

  PinnedTabCodec::WritePinnedTabs(profile);
  std::string result =
      PinnedTabTestUtils::TabsToString(PinnedTabCodec::ReadPinnedTabs(profile));
  EXPECT_EQ("https://www.google.com/:pinned", result);

  // When tab strip is empty, browser window will be closed and PinnedTabService
  // must update data on this event.
  ScopedProfileKeepAlive profile_keep_alive(
      profile, ProfileKeepAliveOrigin::kBrowserWindow);
  ui_test_utils::BrowserDestroyedObserver observer(browser());
  tab_strip_model->SetTabPinned(0, false);
  int previous_tab_count = tab_strip_model->count();
  tab_strip_model->CloseWebContentsAt(0, TabCloseTypes::CLOSE_NONE);
  EXPECT_EQ(previous_tab_count - 1, tab_strip_model->count());
  observer.Wait();

  // Let's see it's cleared out properly.
  result =
      PinnedTabTestUtils::TabsToString(PinnedTabCodec::ReadPinnedTabs(profile));
  EXPECT_TRUE(result.empty());
}

IN_PROC_BROWSER_TEST_F(PinnedTabServiceBrowserTest, CloseWindow) {
  Profile* profile = browser()->GetProfile();
  EXPECT_TRUE(PinnedTabServiceFactory::GetForProfile(profile));
  EXPECT_TRUE(profile->GetPrefs());

  GURL url("https://www.google.com");
  NavigateParams params(browser(), url, ui::PAGE_TRANSITION_TYPED);
  ui_test_utils::NavigateToURL(&params);

  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  tab_strip_model->SetTabPinned(0, true);

  ScopedProfileKeepAlive profile_keep_alive(
      profile, ProfileKeepAliveOrigin::kBrowserWindow);
  ui_test_utils::BrowserDestroyedObserver observer(browser());
  browser()->GetWindow()->Close();
  observer.Wait();

  std::string result =
      PinnedTabTestUtils::TabsToString(PinnedTabCodec::ReadPinnedTabs(profile));
  EXPECT_EQ("https://www.google.com/:pinned", result);
}

// Makes sure closing a popup triggers writing pinned tabs.
IN_PROC_BROWSER_TEST_F(PinnedTabServiceBrowserTest, Popup) {
  Profile* profile = browser()->GetProfile();
  EXPECT_TRUE(PinnedTabServiceFactory::GetForProfile(profile));
  EXPECT_TRUE(profile->GetPrefs());

  GURL url("https://www.google.com");
  NavigateParams params(browser(), url, ui::PAGE_TRANSITION_TYPED);
  ui_test_utils::NavigateToURL(&params);

  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  tab_strip_model->SetTabPinned(0, true);

  // Create a popup browser.
  BrowserWindowInterface* popup_browser =
      CreateBrowserWindow(BrowserWindowCreateParams(
          BrowserWindowInterface::TYPE_POPUP, browser()->GetProfile(),
          /*from_user_gesture=*/true));
  ASSERT_EQ(popup_browser->GetType(), BrowserWindowInterface::Type::TYPE_POPUP);

  // Close the browser. This should trigger saving the tabs. No need to destroy
  // the browser (this happens automatically in the test destructor).
  UnloadController::From(browser())->OnWindowClosing();

  std::string result =
      PinnedTabTestUtils::TabsToString(PinnedTabCodec::ReadPinnedTabs(profile));
  EXPECT_EQ("https://www.google.com/:pinned", result);

  // Close the popup browser. This shouldn't reset the saved state.
  popup_browser->GetTabStripModel()->CloseAllTabs();

  // Check the state to make sure it hasn't changed.
  result =
      PinnedTabTestUtils::TabsToString(PinnedTabCodec::ReadPinnedTabs(profile));
  EXPECT_EQ("https://www.google.com/:pinned", result);
}