// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/security_interstitials/content/https_only_mode_blocking_page.h"

#include "base/logging.h"
#include "base/notreached.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/security_interstitials/content/security_interstitial_controller_client.h"
#include "components/security_interstitials/core/common_string_util.h"
#include "components/security_interstitials/core/controller_client.h"
#include "components/security_interstitials/core/https_only_mode_ui_util.h"
#include "components/security_interstitials/core/metrics_helper.h"
#include "components/security_interstitials/core/pref_names.h"
#include "components/strings/grit/components_strings.h"
#include "ui/base/l10n/l10n_util.h"

namespace security_interstitials {

// static
const SecurityInterstitialPage::TypeID
    HttpsOnlyModeBlockingPage::kTypeForTesting =
        &HttpsOnlyModeBlockingPage::kTypeForTesting;

// static
const char HttpsOnlyModeBlockingPage::kLearnMoreLink[] =
    "https://support.google.com/chrome?p=first_mode";

HttpsOnlyModeBlockingPage::HttpsOnlyModeBlockingPage(
    content::WebContents* web_contents,
    const GURL& request_url,
    std::unique_ptr<SecurityInterstitialControllerClient> controller_client,
    const security_interstitials::https_only_mode::HttpInterstitialState&
        interstitial_state,
    MetricsCallback metrics_callback)
    : SecurityInterstitialPage(web_contents,
                               request_url,
                               std::move(controller_client)),
      interstitial_state_(interstitial_state),
      metrics_callback_(std::move(metrics_callback)) {
  controller()->metrics_helper()->RecordUserDecision(MetricsHelper::SHOW);
  controller()->metrics_helper()->RecordUserInteraction(
      MetricsHelper::TOTAL_VISITS);
}

HttpsOnlyModeBlockingPage::~HttpsOnlyModeBlockingPage() = default;

void HttpsOnlyModeBlockingPage::OnInterstitialClosing() {
  // If the page is closing without an explicit decision, record it as not
  // proceeding.
  if (!user_made_decision_) {
    if (metrics_callback_ && !ukm_recorded_) {
      std::move(metrics_callback_)
          .Run(https_only_mode::BlockingResult::kInterstitialDontProceed);
      ukm_recorded_ = true;
    }
    controller()->metrics_helper()->RecordUserDecision(
        MetricsHelper::DONT_PROCEED);
  }
}

SecurityInterstitialPage::TypeID
HttpsOnlyModeBlockingPage::GetTypeForTesting() {
  return HttpsOnlyModeBlockingPage::kTypeForTesting;
}

void HttpsOnlyModeBlockingPage::CommandReceived(const std::string& command) {
  if (command == "\"pageLoadComplete\"") {
    // content::WaitForRenderFrameReady sends this message when the page
    // load completes. Ignore it.
    return;
  }
  int cmd = 0;
  bool retval = base::StringToInt(command, &cmd);
  DCHECK(retval);
  switch (cmd) {
    case security_interstitials::CMD_DONT_PROCEED:
      if (metrics_callback_ && !ukm_recorded_) {
        std::move(metrics_callback_)
            .Run(https_only_mode::BlockingResult::kInterstitialDontProceed);
        ukm_recorded_ = true;
      }
      user_made_decision_ = true;
      controller()->metrics_helper()->RecordUserDecision(
          MetricsHelper::DONT_PROCEED);
      controller()->GoBack();
      break;
    case security_interstitials::CMD_PROCEED:
      if (metrics_callback_ && !ukm_recorded_) {
        std::move(metrics_callback_)
            .Run(https_only_mode::BlockingResult::kInterstitialProceed);
        ukm_recorded_ = true;
      }
      user_made_decision_ = true;
      controller()->metrics_helper()->RecordUserDecision(
          MetricsHelper::PROCEED);
      controller()->Proceed();
      break;
    case security_interstitials::CMD_OPEN_HELP_CENTER: {
      controller()->metrics_helper()->RecordUserInteraction(
          security_interstitials::MetricsHelper::SHOW_LEARN_MORE);
      controller()->OpenUrlInNewForegroundTab(GURL(kLearnMoreLink));
      break;
    }
    case security_interstitials::CMD_OPEN_ANDROID_ADVANCED_PROTECTION_SETTINGS:
#if BUILDFLAG(IS_ANDROID)
      controller()->metrics_helper()->RecordUserInteraction(
          security_interstitials::MetricsHelper::
              OPEN_ADVANCED_PROTECTION_SETTINGS);
      controller()->OpenAdvancedProtectionSettings();
#endif  // BUILDFLAG(IS_ANDROID)
      break;
    case security_interstitials::CMD_DO_REPORT:
    case security_interstitials::CMD_DONT_REPORT:
    case security_interstitials::CMD_SHOW_MORE_SECTION:
    case security_interstitials::CMD_OPEN_DATE_SETTINGS:
    case security_interstitials::CMD_OPEN_REPORTING_PRIVACY:
    case security_interstitials::CMD_OPEN_WHITEPAPER:
    case security_interstitials::CMD_RELOAD:
    case security_interstitials::CMD_OPEN_DIAGNOSTIC:
    case security_interstitials::CMD_OPEN_LOGIN:
    case security_interstitials::CMD_REPORT_PHISHING_ERROR:
      // Not supported by the HTTPS-only mode blocking page.
      NOTREACHED() << "Unsupported command: " << command;
    case security_interstitials::CMD_ERROR:
    case security_interstitials::CMD_TEXT_FOUND:
    case security_interstitials::CMD_TEXT_NOT_FOUND:
      // Commands are for testing.
      break;
  }
}

void HttpsOnlyModeBlockingPage::PopulateInterstitialStrings(
    base::DictValue& load_time_data) {
  PopulateHttpsOnlyModeStringsForSharedHTML(
      load_time_data, /*august2024_refresh_enabled=*/true);
  PopulateHttpsOnlyModeStringsForBlockingPage(
      load_time_data, request_url(), interstitial_state_,
      /*august2024_refresh_enabled=*/true);
}

}  // namespace security_interstitials