// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/webdata_services/web_data_service_wrapper.h"

#include <memory>

#include "base/bind.h"
#include "base/callback.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/single_thread_task_runner.h"
#include "base/task_scheduler/post_task.h"
#include "build/build_config.h"
#include "components/autofill/core/browser/webdata/autocomplete_sync_bridge.h"
#include "components/autofill/core/browser/webdata/autofill_profile_sync_bridge.h"
#include "components/autofill/core/browser/webdata/autofill_profile_syncable_service.h"
#include "components/autofill/core/browser/webdata/autofill_table.h"
#include "components/autofill/core/browser/webdata/autofill_wallet_metadata_syncable_service.h"
#include "components/autofill/core/browser/webdata/autofill_wallet_sync_bridge.h"
#include "components/autofill/core/browser/webdata/autofill_wallet_syncable_service.h"
#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
#include "components/autofill/core/common/autofill_features.h"
#include "components/password_manager/core/browser/webdata/logins_table.h"
#include "components/search_engines/keyword_table.h"
#include "components/search_engines/keyword_web_data_service.h"
#include "components/signin/core/browser/webdata/token_service_table.h"
#include "components/signin/core/browser/webdata/token_web_data.h"
#include "components/sync/driver/sync_driver_switches.h"
#include "components/webdata/common/web_database_service.h"
#include "components/webdata/common/webdata_constants.h"

#if defined(OS_WIN)
#include "components/password_manager/core/browser/webdata/password_web_data_service_win.h"
#endif

#if !defined(OS_IOS)
#include "components/payments/content/payment_manifest_web_data_service.h"
#include "components/payments/content/payment_method_manifest_table.h"
#include "components/payments/content/web_app_manifest_section_table.h"
#endif

namespace {

// TODO(jkrcal): Rename this function when the last webdata sync type get
// converted to USS, e.g. to InitSyncBridgesOnDBSequence(). Check also other
// related functions.
void InitSyncableProfileServicesOnDBSequence(
    scoped_refptr<base::SingleThreadTaskRunner> db_task_runner,
    const syncer::SyncableService::StartSyncFlare& sync_flare,
    const scoped_refptr<autofill::AutofillWebDataService>& autofill_web_data,
    const base::FilePath& context_path,
    const std::string& app_locale,
    autofill::AutofillWebDataBackend* autofill_backend) {
  DCHECK(db_task_runner->RunsTasksInCurrentSequence());

  // Currently only Autocomplete and Autofill profiles use the new Sync API, but
  // all the database data should migrate to this API over time.
  autofill::AutocompleteSyncBridge::CreateForWebDataServiceAndBackend(
      autofill_web_data.get(), autofill_backend);

  if (base::FeatureList::IsEnabled(switches::kSyncUSSAutofillProfile)) {
    autofill::AutofillProfileSyncBridge::CreateForWebDataServiceAndBackend(
        app_locale, autofill_backend, autofill_web_data.get());
  } else {
    autofill::AutofillProfileSyncableService::CreateForWebDataServiceAndBackend(
        autofill_web_data.get(), autofill_backend, app_locale);
    autofill::AutofillProfileSyncableService::FromWebDataService(
        autofill_web_data.get())
        ->InjectStartSyncFlare(sync_flare);
  }
}

// TODO(jkrcal): Rename this function when the last webdata sync type get
// converted to USS, e.g. to InitSyncBridgesOnDBSequence(). Check also other
// related functions.
void InitSyncableAccountServicesOnDBSequence(
    scoped_refptr<base::SingleThreadTaskRunner> db_task_runner,
    const syncer::SyncableService::StartSyncFlare& sync_flare,
    const scoped_refptr<autofill::AutofillWebDataService>& autofill_web_data,
    const base::FilePath& context_path,
    const std::string& app_locale,
    autofill::AutofillWebDataBackend* autofill_backend) {
  DCHECK(db_task_runner->RunsTasksInCurrentSequence());

  if (base::FeatureList::IsEnabled(switches::kSyncUSSAutofillWalletData)) {
    autofill::AutofillWalletSyncBridge::CreateForWebDataServiceAndBackend(
        app_locale, autofill_backend, autofill_web_data.get());
  } else {
    autofill::AutofillWalletSyncableService::CreateForWebDataServiceAndBackend(
        autofill_web_data.get(), autofill_backend, app_locale);
    autofill::AutofillWalletSyncableService::FromWebDataService(
        autofill_web_data.get())
        ->InjectStartSyncFlare(sync_flare);
  }

  autofill::AutofillWalletMetadataSyncableService::
      CreateForWebDataServiceAndBackend(autofill_web_data.get(),
                                        autofill_backend, app_locale);
}

}  // namespace

WebDataServiceWrapper::WebDataServiceWrapper() {}

WebDataServiceWrapper::WebDataServiceWrapper(
    const base::FilePath& context_path,
    const std::string& application_locale,
    const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
    const syncer::SyncableService::StartSyncFlare& flare,
    const ShowErrorCallback& show_error_callback) {
  base::FilePath path = context_path.Append(kWebDataFilename);
  // TODO(pkasting): http://crbug.com/740773 This should likely be sequenced,
  // not single-threaded; it's also possible the various uses of this below
  // should each use their own sequences instead of sharing this one.
  auto db_task_runner = base::CreateSingleThreadTaskRunnerWithTraits(
      {base::MayBlock(), base::TaskPriority::USER_VISIBLE,
       base::TaskShutdownBehavior::BLOCK_SHUTDOWN});
  profile_database_ =
      new WebDatabaseService(path, ui_task_runner, db_task_runner);

  // All tables objects that participate in managing the database must
  // be added here.
  profile_database_->AddTable(std::make_unique<autofill::AutofillTable>());
  profile_database_->AddTable(std::make_unique<KeywordTable>());
  // TODO(mdm): We only really need the LoginsTable on Windows for IE7 password
  // access, but for now, we still create it on all platforms since it deletes
  // the old logins table. We can remove this after a while, e.g. in M22 or so.
  profile_database_->AddTable(std::make_unique<LoginsTable>());
  profile_database_->AddTable(std::make_unique<TokenServiceTable>());
#if !defined(OS_IOS)
  profile_database_->AddTable(
      std::make_unique<payments::PaymentMethodManifestTable>());
  profile_database_->AddTable(
      std::make_unique<payments::WebAppManifestSectionTable>());
#endif
  profile_database_->LoadDatabase();

  profile_autofill_web_data_ = new autofill::AutofillWebDataService(
      profile_database_, ui_task_runner, db_task_runner,
      base::Bind(show_error_callback, ERROR_LOADING_AUTOFILL));
  profile_autofill_web_data_->Init();

  keyword_web_data_ = new KeywordWebDataService(
      profile_database_, ui_task_runner,
      base::Bind(show_error_callback, ERROR_LOADING_KEYWORD));
  keyword_web_data_->Init();

  token_web_data_ =
      new TokenWebData(profile_database_, ui_task_runner, db_task_runner,
                       base::Bind(show_error_callback, ERROR_LOADING_TOKEN));
  token_web_data_->Init();

#if defined(OS_WIN)
  password_web_data_ = new PasswordWebDataService(
      profile_database_, ui_task_runner,
      base::Bind(show_error_callback, ERROR_LOADING_PASSWORD));
  password_web_data_->Init();
#endif

#if !defined(OS_IOS)
  payment_manifest_web_data_ = new payments::PaymentManifestWebDataService(
      profile_database_,
      base::Bind(show_error_callback, ERROR_LOADING_PAYMENT_MANIFEST),
      ui_task_runner);
#endif

  profile_autofill_web_data_->GetAutofillBackend(base::Bind(
      &InitSyncableProfileServicesOnDBSequence, db_task_runner, flare,
      profile_autofill_web_data_, context_path, application_locale));

  if (base::FeatureList::IsEnabled(
          autofill::features::kAutofillEnableAccountWalletStorage)) {
    account_database_ =
        new WebDatabaseService(base::FilePath(WebDatabase::kInMemoryPath),
                               ui_task_runner, db_task_runner);
    account_database_->AddTable(std::make_unique<autofill::AutofillTable>());
    account_database_->LoadDatabase();

    account_autofill_web_data_ = new autofill::AutofillWebDataService(
        account_database_, ui_task_runner, db_task_runner,
        base::Bind(show_error_callback, ERROR_LOADING_ACCOUNT_AUTOFILL));
    account_autofill_web_data_->Init();
    account_autofill_web_data_->GetAutofillBackend(base::Bind(
        &InitSyncableAccountServicesOnDBSequence, db_task_runner, flare,
        account_autofill_web_data_, context_path, application_locale));

  } else {
    account_autofill_web_data_ = nullptr;
    profile_autofill_web_data_->GetAutofillBackend(base::Bind(
        &InitSyncableAccountServicesOnDBSequence, db_task_runner, flare,
        profile_autofill_web_data_, context_path, application_locale));
  }
}

WebDataServiceWrapper::~WebDataServiceWrapper() {}

void WebDataServiceWrapper::Shutdown() {
  profile_autofill_web_data_->ShutdownOnUISequence();
  if (account_autofill_web_data_)
    account_autofill_web_data_->ShutdownOnUISequence();
  keyword_web_data_->ShutdownOnUISequence();
  token_web_data_->ShutdownOnUISequence();

#if defined(OS_WIN)
  password_web_data_->ShutdownOnUISequence();
#endif

#if !defined(OS_IOS)
  payment_manifest_web_data_->ShutdownOnUISequence();
#endif

  profile_database_->ShutdownDatabase();
  if (account_database_)
    account_database_->ShutdownDatabase();
}

scoped_refptr<autofill::AutofillWebDataService>
WebDataServiceWrapper::GetProfileAutofillWebData() {
  return profile_autofill_web_data_.get();
}

scoped_refptr<autofill::AutofillWebDataService>
WebDataServiceWrapper::GetAccountAutofillWebData() {
  return account_autofill_web_data_.get();
}

scoped_refptr<KeywordWebDataService>
WebDataServiceWrapper::GetKeywordWebData() {
  return keyword_web_data_.get();
}

scoped_refptr<TokenWebData> WebDataServiceWrapper::GetTokenWebData() {
  return token_web_data_.get();
}

#if defined(OS_WIN)
scoped_refptr<PasswordWebDataService>
WebDataServiceWrapper::GetPasswordWebData() {
  return password_web_data_.get();
}
#endif

#if !defined(OS_IOS)
scoped_refptr<payments::PaymentManifestWebDataService>
WebDataServiceWrapper::GetPaymentManifestWebData() {
  return payment_manifest_web_data_.get();
}
#endif