// 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 "chrome/browser/ui/webui/commerce/shopping_ui_handler_delegate.h"

#include "base/memory/raw_ptr.h"
#include "chrome/browser/bookmarks/bookmark_model_factory.h"
#include "chrome/browser/feedback/show_feedback_page.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/identity_manager_factory.h"
#include "chrome/browser/signin/signin_ui_util.h"
#include "chrome/browser/ui/bookmarks/bookmark_editor.h"
#include "chrome/browser/ui/bookmarks/bookmark_utils.h"
#include "chrome/browser/ui/browser_window/public/browser_window_interface.h"
#include "chrome/browser/ui/browser_window/public/global_browser_collection.h"
#include "chrome/browser/ui/browser_window/public/profile_browser_collection.h"
#include "chrome/browser/ui/chrome_pages.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/url_constants.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "components/commerce/core/commerce_feature_list.h"
#include "components/commerce/core/commerce_utils.h"
#include "components/commerce/core/price_tracking_utils.h"
#include "components/commerce/core/webui/shopping_service_handler.h"
#include "components/signin/public/base/signin_metrics.h"
#include "components/signin/public/identity_manager/account_info.h"
#include "components/strings/grit/components_strings.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "shopping_ui_handler_delegate.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/page_transition_types.h"

namespace commerce {

ShoppingUiHandlerDelegate::ShoppingUiHandlerDelegate(Profile* profile)
    : profile_(profile),
      bookmark_model_(BookmarkModelFactory::GetForBrowserContext(profile)) {}

ShoppingUiHandlerDelegate::~ShoppingUiHandlerDelegate() = default;

std::optional<GURL> ShoppingUiHandlerDelegate::GetCurrentTabUrl() {
  BrowserWindowInterface* browser =
      ProfileBrowserCollection::GetForProfile(profile_)->FindTabbedBrowser();
  if (!browser) {
    return std::nullopt;
  }

  content::WebContents* web_contents =
      browser->GetTabStripModel()->GetActiveWebContents();
  if (!web_contents) {
    return std::nullopt;
  }
  return std::make_optional<GURL>(web_contents->GetLastCommittedURL());
}

const bookmarks::BookmarkNode*
ShoppingUiHandlerDelegate::GetOrAddBookmarkForCurrentUrl() {
  BrowserWindowInterface* const browser =
      ProfileBrowserCollection::GetForProfile(profile_)->GetLastActiveBrowser();
  if (!browser) {
    return nullptr;
  }
  content::WebContents* web_contents =
      browser->GetTabStripModel()->GetActiveWebContents();
  if (!web_contents) {
    return nullptr;
  }

  const bookmarks::BookmarkNode* existing_node =
      bookmark_model_->GetMostRecentlyAddedUserNodeForURL(
          web_contents->GetLastCommittedURL());
  if (existing_node != nullptr &&
      !bookmark_model_->IsLocalOnlyNode(*existing_node)) {
    return existing_node;
  }
  GURL url;
  std::u16string title;
  const bookmarks::BookmarkNode* parent =
      commerce::GetShoppingCollectionBookmarkFolder(bookmark_model_, true);

  if (chrome::GetURLAndTitleToBookmark(web_contents, &url, &title) && parent) {
    return bookmark_model_->AddNewURL(parent, parent->children().size(), title,
                                      url);
  }
  return nullptr;
}

void ShoppingUiHandlerDelegate::OpenUrlInNewTab(const GURL& url) {
  BrowserWindowInterface* browser =
      ProfileBrowserCollection::GetForProfile(profile_)->GetLastActiveBrowser();
  if (!browser) {
    return;
  }

  NavigateToUrl(browser, url);
}

void ShoppingUiHandlerDelegate::SwitchToOrOpenTab(const GURL& url) {
  if (!url.is_valid() || !url.SchemeIsHTTPOrHTTPS()) {
    return;
  }
  BrowserWindowInterface* browser =
      GlobalBrowserCollection::GetInstance()->GetActiveBrowser();
  if (!browser) {
    browser = ProfileBrowserCollection::GetForProfile(profile_)
                  ->GetLastActiveBrowser();
  }
  if (!browser) {
    return;
  }

  auto* tab_strip_model = browser->GetTabStripModel();
  for (int i = 0; i < tab_strip_model->count(); ++i) {
    auto* web_contents = tab_strip_model->GetWebContentsAt(i);
    if (web_contents->GetLastCommittedURL() == url) {
      tab_strip_model->ActivateTabAt(i);
      return;
    }
  }

  NavigateToUrl(browser, url);
}

ukm::SourceId ShoppingUiHandlerDelegate::GetCurrentTabUkmSourceId() {
  BrowserWindowInterface* browser =
      ProfileBrowserCollection::GetForProfile(profile_)->FindTabbedBrowser();
  if (!browser) {
    return ukm::kInvalidSourceId;
  }
  content::WebContents* web_contents =
      browser->GetTabStripModel()->GetActiveWebContents();
  if (!web_contents) {
    return ukm::kInvalidSourceId;
  }
  return web_contents->GetPrimaryMainFrame()->GetPageUkmSourceId();
}

void ShoppingUiHandlerDelegate::NavigateToUrl(BrowserWindowInterface* browser,
                                              const GURL& url) {
  browser->OpenGURL(url, WindowOpenDisposition::NEW_FOREGROUND_TAB);
}

}  // namespace commerce