// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_element_identifiers.h"
#include "chrome/browser/ui/browser_window/public/browser_window_features.h"
#include "chrome/browser/ui/side_panel/side_panel_entry.h"
#include "chrome/browser/ui/toolbar/app_menu_model.h"
#include "chrome/browser/ui/toolbar/bookmark_sub_menu_model.h"
#include "chrome/browser/ui/toolbar/reading_list_sub_menu_model.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/side_panel/side_panel_coordinator.h"
#include "chrome/common/webui_url_constants.h"
#include "chrome/test/interaction/interactive_browser_test.h"
#include "components/prefs/pref_service.h"
#include "components/webui/chrome_urls/pref_names.h"
#include "content/public/test/browser_test.h"
#include "ui/base/interaction/element_identifier.h"

namespace {
DEFINE_LOCAL_ELEMENT_IDENTIFIER_VALUE(kBrowserTabId);
DEFINE_LOCAL_ELEMENT_IDENTIFIER_VALUE(kBrowserTabId2);
DEFINE_LOCAL_ELEMENT_IDENTIFIER_VALUE(kReadLaterWebContentsElementId);
}  // namespace

class HelpBubbleHandlerInteractiveUiTest : public InteractiveBrowserTest {
 public:
  HelpBubbleHandlerInteractiveUiTest() = default;
  ~HelpBubbleHandlerInteractiveUiTest() override = default;

  void SetUpOnMainThread() override {
    InteractiveBrowserTest::SetUpOnMainThread();
    g_browser_process->local_state()->SetBoolean(
        chrome_urls::kInternalOnlyUisEnabled, true);
  }

  // Opens the side panel and instruments the Read Later WebContents as
  // kReadLaterWebContentsElementId.
  auto OpenReadingListSidePanel() {
    return Steps(
        // Remove delays in switching side panels to prevent possible race
        // conditions when selecting items from the side panel dropdown.
        Do([this]() {
          browser()->GetFeatures().side_panel_ui()->SetNoDelaysForTesting(true);
        }),
        PressButton(kToolbarAppMenuButtonElementId),
        SelectMenuItem(AppMenuModel::kBookmarksMenuItem),
        SelectMenuItem(BookmarkSubMenuModel::kReadingListMenuItem),
        SelectMenuItem(ReadingListSubMenuModel::kReadingListMenuShowUI),
        WaitForShow(kSidePanelElementId),
        WaitForShow(kReadLaterSidePanelWebViewElementId),
        // Ensure that the Reading List side panel loads properly.
        InstrumentNonTabWebView(kReadLaterWebContentsElementId,
                                kReadLaterSidePanelWebViewElementId));
  }

  auto OpenBookmarksSidePanel() {
    return Steps(
        PressButton(kToolbarAppMenuButtonElementId),
        SelectMenuItem(AppMenuModel::kBookmarksMenuItem),
        SelectMenuItem(BookmarkSubMenuModel::kShowBookmarkSidePanelItem),
        WaitForShow(kSidePanelElementId));
  }

  auto CloseSidePanel() {
    return Steps(EnsurePresent(kSidePanelElementId),
                 PressButton(kSidePanelCloseButtonElementId),
                 WaitForHide(kSidePanelElementId));
  }
};

IN_PROC_BROWSER_TEST_F(HelpBubbleHandlerInteractiveUiTest,
                       ElementBecomesVisibleOnPageLoad) {
  RunTestSequence(
      InstrumentTab(kBrowserTabId),
      NavigateWebContents(kBrowserTabId,
                          GURL(chrome::kChromeUIUserEducationInternalsURL)),
      InAnyContext(WaitForShow(kWebUIIPHDemoElementIdentifier)));
}

IN_PROC_BROWSER_TEST_F(HelpBubbleHandlerInteractiveUiTest,
                       ElementBecomesHiddenOnTabBackgrounded) {
  RunTestSequence(
      InstrumentTab(kBrowserTabId),
      NavigateWebContents(kBrowserTabId,
                          GURL(chrome::kChromeUIUserEducationInternalsURL)),
      InAnyContext(WaitForShow(kWebUIIPHDemoElementIdentifier)),
      // This will add the new tab in the foreground.
      AddInstrumentedTab(kBrowserTabId2, GURL(chrome::kChromeUIBookmarksURL)),
      InAnyContext(WaitForHide(kWebUIIPHDemoElementIdentifier)));
}

IN_PROC_BROWSER_TEST_F(HelpBubbleHandlerInteractiveUiTest,
                       ElementBecomesVisibleOnSecondaryUILoad) {
  RunTestSequence(
      OpenReadingListSidePanel(),
      InAnyContext(WaitForShow(kAddCurrentTabToReadingListElementId)));
}

IN_PROC_BROWSER_TEST_F(HelpBubbleHandlerInteractiveUiTest,
                       ElementBecomesHiddenOnSecondaryUIHide) {
  RunTestSequence(
      OpenReadingListSidePanel(),
      InAnyContext(WaitForShow(kAddCurrentTabToReadingListElementId)),
      CloseSidePanel(),
      InAnyContext(WaitForHide(kAddCurrentTabToReadingListElementId)));
}

// This test is flaky on Mac; see: https://crbug.com/348242589
// Suspect that something in the async way the combo box works is causing this
// particular issue. Might be solved by programmatically switching panels.
// TODO(crbug.com/524036564): flaky on Win.
#if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
#define MAYBE_ElementBecomesHiddenOnSecondaryUISwap \
  DISABLED_ElementBecomesHiddenOnSecondaryUISwap
#else
#define MAYBE_ElementBecomesHiddenOnSecondaryUISwap \
  ElementBecomesHiddenOnSecondaryUISwap
#endif
IN_PROC_BROWSER_TEST_F(HelpBubbleHandlerInteractiveUiTest,
                       MAYBE_ElementBecomesHiddenOnSecondaryUISwap) {
  RunTestSequence(
      OpenReadingListSidePanel(),
      InAnyContext(WaitForShow(kAddCurrentTabToReadingListElementId)),
      OpenBookmarksSidePanel(),
      InAnyContext(WaitForHide(kAddCurrentTabToReadingListElementId)));
}