// Copyright 2022 The Chromium Authors and Alex313031. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ui/startup/infobar_utils.h"

#include "base/command_line.h"
#include "build/buildflag.h"
#include "build/chromeos_buildflags.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/obsolete_system/obsolete_system.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/session_crashed_bubble.h"
#include "chrome/browser/ui/startup/automation_infobar_delegate.h"
#include "chrome/browser/ui/startup/bad_flags_prompt.h"
#include "chrome/browser/ui/startup/default_browser_prompt.h"
#include "chrome/browser/ui/startup/google_api_keys_infobar_delegate.h"
#include "chrome/browser/ui/startup/obsolete_system_infobar_delegate.h"
#include "chrome/browser/ui/startup/startup_browser_creator.h"
#include "chrome/browser/ui/startup/startup_types.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "components/infobars/content/content_infobar_manager.h"
#include "components/prefs/pref_service.h"
#include "content/public/common/content_switches.h"
#include "google_apis/google_api_keys.h"

namespace {
bool ShouldShowBadFlagsSecurityWarnings() {
#if !BUILDFLAG(IS_CHROMEOS_ASH)
  PrefService* local_state = g_browser_process->local_state();
  if (!local_state)
    return true;

  const auto* pref = local_state->FindPreference(
      prefs::kCommandLineFlagSecurityWarningsEnabled);
  DCHECK(pref);

  // The warnings can only be disabled by policy. Default to show warnings.
  if (pref->IsManaged())
    return pref->GetValue()->GetBool();
#endif
  return true;
}

// This is a separate function to avoid accidentally reading the switch from
// `startup_command_line`.
bool IsAutomationEnabled() {
  return base::CommandLine::ForCurrentProcess()->HasSwitch(
      switches::kEnableAutomation);
}

// This is a separate function to avoid accidentally reading the switch from
// `startup_command_line`.
bool IsKioskModeEnabled() {
  return base::CommandLine::ForCurrentProcess()->HasSwitch(
      switches::kKioskMode);
}

}  // namespace

void AddInfoBarsIfNecessary(Browser* browser,
                            Profile* profile,
                            const base::CommandLine& startup_command_line,
                            chrome::startup::IsFirstRun is_first_run,
                            bool is_web_app) {
  if (!browser || !profile || browser->tab_strip_model()->count() == 0)
    return;

  // Show the Automation info bar unless it has been disabled by policy.
  bool show_bad_flags_security_warnings = ShouldShowBadFlagsSecurityWarnings();
  if (IsAutomationEnabled() && show_bad_flags_security_warnings) {
    AutomationInfoBarDelegate::Create();
  }

  // Do not show any other info bars in Kiosk mode, because it's unlikely that
  // the viewer can act upon or dismiss them.
  if (IsKioskModeEnabled())
    return;

  // Web apps should not display the session restore bubble (crbug.com/1264121)
  if (!is_web_app && HasPendingUncleanExit(browser->profile()))
    SessionCrashedBubble::ShowIfNotOffTheRecordProfile(
        browser, /*skip_tab_checking=*/false);

  // These info bars are not shown when the browser is being controlled by
  // automated tests, so that they don't interfere with tests that assume no
  // info bars.
  if (!startup_command_line.HasSwitch(switches::kTestType) &&
      !IsAutomationEnabled()) {
    // The below info bars are only added to the first profile which is
    // launched. Other profiles might be restoring the browsing sessions
    // asynchronously, so we cannot add the info bars to the focused tabs here.
    //
    // We cannot use `chrome::startup::IsProcessStartup` to determine whether
    // this is the first profile that launched: The browser may be started
    // without a startup window (`kNoStartupWindow`), or open the profile
    // picker, which means that `chrome::startup::IsProcessStartup` will already
    // be `kNo` when the first browser window is opened.
    static bool infobars_shown = false;
    if (infobars_shown)
      return;
    infobars_shown = true;

    content::WebContents* web_contents =
        browser->tab_strip_model()->GetActiveWebContents();
    DCHECK(web_contents);

    if (show_bad_flags_security_warnings)
      chrome::ShowBadFlagsPrompt(web_contents);

    infobars::ContentInfoBarManager* infobar_manager =
        infobars::ContentInfoBarManager::FromWebContents(web_contents);

    if (ObsoleteSystem::IsObsoleteNowOrSoon()) {
      PrefService* local_state = g_browser_process->local_state();
      if (!local_state ||
          !local_state->GetBoolean(prefs::kSuppressUnsupportedOSWarning))
        ObsoleteSystemInfoBarDelegate::Create(infobar_manager);
    }

#if !BUILDFLAG(IS_CHROMEOS_ASH)
    if (!is_web_app &&
        !startup_command_line.HasSwitch(switches::kNoDefaultBrowserCheck)) {
      // The default browser prompt should only be shown after the first run.
      if (is_first_run == chrome::startup::IsFirstRun::kNo)
        ShowDefaultBrowserPrompt(profile);
    }
#endif
  }
}