// Copyright 2014 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/android_autofill/browser/android_autofill_client.h"

#include <utility>

#include "base/check_op.h"
#include "base/feature_list.h"
#include "base/functional/function_ref.h"
#include "base/notimplemented.h"
#include "base/notreached.h"
#include "base/types/cxx23_to_underlying.h"
#include "components/android_autofill/browser/android_autofill_manager.h"
#include "components/android_autofill/browser/android_autofill_provider.h"
#include "components/autofill/content/browser/content_autofill_client.h"
#include "components/autofill/core/browser/crowdsourcing/autofill_crowdsourcing_manager.h"
#include "components/autofill/core/browser/payments/legal_message_line.h"
#include "components/autofill/core/browser/suggestions/suggestion.h"
#include "components/autofill/core/browser/suggestions/suggestion_type.h"
#include "components/autofill/core/browser/ui/autofill_suggestion_delegate.h"
#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
#include "components/autofill/core/common/aliases.h"
#include "components/autofill/core/common/autofill_features.h"
#include "components/credential_management/android/features.h"
#include "components/credential_management/android/third_party_credential_manager_impl.h"
#include "components/prefs/pref_service.h"
#include "components/security_state/content/security_state_tab_helper.h"
#include "components/user_prefs/user_prefs.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/ssl_status.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/web_contents.h"
#include "ui/android/view_android.h"
#include "ui/gfx/geometry/rect_f.h"

namespace android_autofill {

void AndroidAutofillClient::CreateForWebContents(
    content::WebContents* contents) {
  DCHECK(contents);
  if (!FromWebContents(contents)) {
    contents->SetUserData(
        UserDataKey(), base::WrapUnique(new AndroidAutofillClient(contents)));
  }
}

AndroidAutofillClient::AndroidAutofillClient(content::WebContents* web_contents)
    : autofill::ContentAutofillClient(web_contents),
      content_credential_manager_(
          std::make_unique<
              credential_management::ThirdPartyCredentialManagerImpl>(
              web_contents)) {}

AndroidAutofillClient::~AndroidAutofillClient() {
  HideAutofillSuggestions(autofill::SuggestionHidingReason::kTabGone);
}

base::WeakPtr<autofill::AutofillClient> AndroidAutofillClient::GetWeakPtr() {
  return weak_ptr_factory_.GetWeakPtr();
}

const std::string& AndroidAutofillClient::GetAppLocale() const {
  NOTREACHED();
}

bool AndroidAutofillClient::IsOffTheRecord() const {
  auto* mutable_this = const_cast<AndroidAutofillClient*>(this);
  return mutable_this->GetWebContents().GetBrowserContext()->IsOffTheRecord();
}

scoped_refptr<network::SharedURLLoaderFactory>
AndroidAutofillClient::GetURLLoaderFactory() {
  return GetWebContents()
      .GetBrowserContext()
      ->GetDefaultStoragePartition()
      ->GetURLLoaderFactoryForBrowserProcess();
}

autofill::AutofillCrowdsourcingManager&
AndroidAutofillClient::GetCrowdsourcingManager() {
  if (!crowdsourcing_manager_) {
    // Lazy initialization to avoid virtual function calls in the constructor.
    crowdsourcing_manager_ =
        std::make_unique<autofill::AutofillCrowdsourcingManager>(this,
                                                                 GetChannel());
  }
  return *crowdsourcing_manager_;
}

autofill::VotesUploader& AndroidAutofillClient::GetVotesUploader() {
  return votes_uploader_;
}

autofill::PersonalDataManager& AndroidAutofillClient::GetPersonalDataManager() {
  NOTREACHED();
}

autofill::ValuablesDataManager*
AndroidAutofillClient::GetValuablesDataManager() {
  return nullptr;
}

autofill::EntityDataManager* AndroidAutofillClient::GetEntityDataManager() {
  return nullptr;
}

autofill::SingleFieldFillRouter&
AndroidAutofillClient::GetSingleFieldFillRouter() {
  NOTREACHED();
}

autofill::AutocompleteHistoryManager*
AndroidAutofillClient::GetAutocompleteHistoryManager() {
  NOTREACHED();
}

PrefService* AndroidAutofillClient::GetPrefs() {
  return const_cast<PrefService*>(std::as_const(*this).GetPrefs());
}

const PrefService* AndroidAutofillClient::GetPrefs() const {
  return user_prefs::UserPrefs::Get(GetWebContents().GetBrowserContext());
}

syncer::SyncService* AndroidAutofillClient::GetSyncService() {
  // TODO(crbug.com/321949351): Move this and other stubs into AutofillClient.
  return nullptr;
}

signin::IdentityManager* AndroidAutofillClient::GetIdentityManager() {
  return nullptr;
}

const signin::IdentityManager* AndroidAutofillClient::GetIdentityManager()
    const {
  return nullptr;
}

autofill::FormDataImporter* AndroidAutofillClient::GetFormDataImporter() {
  return nullptr;
}

autofill::StrikeDatabase* AndroidAutofillClient::GetStrikeDatabase() {
  return nullptr;
}

ukm::UkmRecorder* AndroidAutofillClient::GetUkmRecorder() {
  return nullptr;
}

autofill::AddressNormalizer* AndroidAutofillClient::GetAddressNormalizer() {
  return nullptr;
}

const GURL& AndroidAutofillClient::GetLastCommittedPrimaryMainFrameURL() const {
  return GetWebContents().GetPrimaryMainFrame()->GetLastCommittedURL();
}

url::Origin AndroidAutofillClient::GetLastCommittedPrimaryMainFrameOrigin()
    const {
  return GetWebContents().GetPrimaryMainFrame()->GetLastCommittedOrigin();
}

security_state::SecurityLevel
AndroidAutofillClient::GetSecurityLevelForUmaHistograms() {
  if (SecurityStateTabHelper* helper =
          ::SecurityStateTabHelper::FromWebContents(&GetWebContents())) {
    return helper->GetSecurityLevel();
  }

  // If there is no helper, it means we are not in a "web" state or the embedder
  // doesn't support the state helper. Return SECURITY_LEVEL_COUNT which will
  //  not be logged.
  return security_state::SecurityLevel::SECURITY_LEVEL_COUNT;
}

const translate::LanguageState* AndroidAutofillClient::GetLanguageState() {
  return nullptr;
}

translate::TranslateDriver* AndroidAutofillClient::GetTranslateDriver() {
  return nullptr;
}

void AndroidAutofillClient::ShowAutofillSettings(
    autofill::SuggestionType suggestion_type) {
  NOTIMPLEMENTED();
}

void AndroidAutofillClient::ConfirmSaveAddressProfile(
    const autofill::AutofillProfile& profile,
    const autofill::AutofillProfile* original_profile,
    bool is_migration_to_account,
    AddressProfileSavePromptCallback callback) {
  NOTIMPLEMENTED();
}

autofill::AutofillClient::SuggestionUiSessionId
AndroidAutofillClient::ShowAutofillSuggestions(
    const autofill::AutofillClient::PopupOpenArgs& open_args,
    base::WeakPtr<autofill::AutofillSuggestionDelegate> delegate) {
  NOTIMPLEMENTED();
  return SuggestionUiSessionId();
}

void AndroidAutofillClient::UpdateAutofillDataListValues(
    base::span<const autofill::SelectOption> datalist) {
  // Leaving as an empty method since updating autofill popup window
  // dynamically does not seem to be a useful feature when delegating to Android
  // APIs.
}

void AndroidAutofillClient::HideAutofillSuggestions(
    autofill::SuggestionHidingReason reason) {
  // TODO(321950502): Analyze hiding the datalist popup here.
}

bool AndroidAutofillClient::IsAutofillEnabled() const {
  NOTREACHED();
}

bool AndroidAutofillClient::IsAutofillProfileEnabled() const {
  NOTREACHED();
}

bool AndroidAutofillClient::IsAutofillPaymentMethodsEnabled() const {
  NOTREACHED();
}

bool AndroidAutofillClient::IsAutocompleteEnabled() const {
  return false;
}

bool AndroidAutofillClient::IsPasswordManagerEnabled() const {
  // Android 3P mode and WebView rely on the AndroidAutofillManager which
  // doesn't call this function. If it ever does, the function needs to
  // be implemented in a meaningful way.
  NOTREACHED();
}

void AndroidAutofillClient::DidFillForm(
    autofill::AutofillTriggerSource trigger_source,
    bool is_refill) {}

bool AndroidAutofillClient::IsContextSecure() const {
  // Note: As of crbug.com/701018, Chrome relies on ChromeSecurityStateTabHelper
  // to determine whether the page is secure, but WebView can only access a
  // small part of the functionality so the helper will be null for now.
  if (SecurityStateTabHelper* helper =
          SecurityStateTabHelper::FromWebContents(&GetWebContents())) {
    return security_state::IsSslCertificateValid(helper->GetSecurityLevel());
  }

  content::NavigationEntry* navigation_entry =
      GetWebContents().GetController().GetLastCommittedEntry();
  if (!navigation_entry ||
      !navigation_entry->GetURL().SchemeIsCryptographic()) {
    return false;
  }

  content::SSLStatus ssl_status = navigation_entry->GetSSL();
  return ssl_status.certificate &&
         !net::IsCertStatusError(ssl_status.cert_status) &&
         !(ssl_status.content_status &
           content::SSLStatus::RAN_INSECURE_CONTENT);
}

autofill::FormInteractionsFlowId
AndroidAutofillClient::GetCurrentFormInteractionsFlowId() {
  // Currently not in use here. See `ChromeAutofillClient` for a proper
  // implementation.
  return {};
}

autofill::autofill_metrics::FormInteractionsUkmLogger&
AndroidAutofillClient::GetFormInteractionsUkmLogger() {
  return form_interactions_ukm_logger_;
}

content::WebContents& AndroidAutofillClient::GetWebContents() const {
  // While a const_cast is not ideal. The Autofill API uses const in various
  // spots and the content public API doesn't have const accessors. So the const
  // cast is the lesser of two evils.
  return const_cast<content::WebContents&>(
      ContentAutofillClient::GetWebContents());
}

std::unique_ptr<autofill::AutofillManager> AndroidAutofillClient::CreateManager(
    base::PassKey<autofill::ContentAutofillDriver> pass_key,
    autofill::ContentAutofillDriver& driver) {
  return base::WrapUnique(new autofill::AndroidAutofillManager(&driver));
}

credential_management::ContentCredentialManager*
AndroidAutofillClient::GetContentCredentialManager() {
  if (base::FeatureList::IsEnabled(
          credential_management::features::
              kCredentialManagementThirdPartyWebApiRequestForwarding)) {
    return &content_credential_manager_;
  }
  return nullptr;
}

}  // namespace android_autofill