// Copyright 2018 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/invalidation/profile_invalidation_provider_factory.h"

#include <stdint.h>

#include <memory>
#include <string>
#include <utility>

#include "base/functional/bind.h"
#include "base/no_destructor.h"
#include "build/build_config.h"
#include "chrome/browser/gcm/gcm_profile_service_factory.h"
#include "chrome/browser/gcm/instance_id/instance_id_profile_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_selections.h"
#include "components/gcm_driver/gcm_driver.h"
#include "components/gcm_driver/gcm_profile_service.h"
#include "components/gcm_driver/instance_id/instance_id_driver.h"
#include "components/gcm_driver/instance_id/instance_id_profile_service.h"
#include "components/invalidation/invalidation_listener.h"
#include "components/invalidation/profile_invalidation_provider.h"
#include "content/public/browser/browser_context.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"

#if BUILDFLAG(IS_CHROMEOS)
#include "chromeos/ash/components/browser_context_helper/browser_context_types.h"
#include "components/user_manager/user_manager.h"
#endif

namespace invalidation {
namespace {

std::unique_ptr<InvalidationListener> CreateInvalidationListener(
    Profile* profile,
    int64_t project_number,
    std::string log_prefix) {
  return invalidation::InvalidationListener::Create(
      gcm::GCMProfileServiceFactory::GetForProfile(profile)->driver(),
      instance_id::InstanceIDProfileServiceFactory::GetForProfile(profile)
          ->driver(),
      project_number, std::move(log_prefix));
}

}  // namespace

// static
ProfileInvalidationProvider* ProfileInvalidationProviderFactory::GetForProfile(
    Profile* profile) {
#if BUILDFLAG(IS_CHROMEOS)
  if (ash::IsSigninBrowserContext(profile) ||
      (user_manager::UserManager::IsInitialized() &&
       user_manager::UserManager::Get()->IsLoggedInAsGuest())) {
    // The Chrome OS login and Chrome OS guest profiles do not have GAIA
    // credentials and do not support invalidation.
    return nullptr;
  }
#endif
  return static_cast<ProfileInvalidationProvider*>(
      GetInstance()->GetServiceForBrowserContext(profile, true));
}

// static
ProfileInvalidationProviderFactory*
ProfileInvalidationProviderFactory::GetInstance() {
  static base::NoDestructor<ProfileInvalidationProviderFactory> instance;
  return instance.get();
}

ProfileInvalidationProviderFactory::ProfileInvalidationProviderFactory()
    : ProfileKeyedServiceFactory(
          "InvalidationService",
          ProfileSelections::Builder()
              .WithRegular(ProfileSelection::kOriginalOnly)
              // TODO(crbug.com/40257657): Check if this service is needed in
              // Guest mode.
              .WithGuest(ProfileSelection::kOriginalOnly)
              // TODO(crbug.com/41488885): Check if this service is needed for
              // Ash Internals.
              .WithAshInternals(ProfileSelection::kOriginalOnly)
              .Build()) {
  DependsOn(gcm::GCMProfileServiceFactory::GetInstance());
  DependsOn(instance_id::InstanceIDProfileServiceFactory::GetInstance());
}

ProfileInvalidationProviderFactory::~ProfileInvalidationProviderFactory() =
    default;

void ProfileInvalidationProviderFactory::RegisterTestingFactory(
    GlobalTestingFactory testing_factory) {
  testing_factory_ = std::move(testing_factory);
}

std::unique_ptr<KeyedService>
ProfileInvalidationProviderFactory::BuildServiceInstanceForBrowserContext(
    content::BrowserContext* context) const {
  if (testing_factory_) {
    return testing_factory_.Run(context);
  }

  Profile* profile = Profile::FromBrowserContext(context);

  return std::make_unique<ProfileInvalidationProvider>(
      base::BindRepeating(&CreateInvalidationListener, profile));
}

}  // namespace invalidation