// 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/sync_device_info/local_device_info_provider_impl.h"

#include "base/memory/ptr_util.h"
#include "components/sync/base/model_type.h"
#include "components/sync/base/sync_util.h"
#include "components/sync_device_info/device_info_sync_client.h"
#include "components/version_info/version_string.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace syncer {
namespace {

const char kLocalDeviceGuid[] = "foo";
const char kLocalDeviceClientName[] = "bar";
const char kLocalDeviceManufacturerName[] = "manufacturer";
const char kLocalDeviceModelName[] = "model";

const char kSharingVapidFCMRegistrationToken[] = "test_vapid_fcm_token";
const char kSharingVapidP256dh[] = "test_vapid_p256_dh";
const char kSharingVapidAuthSecret[] = "test_vapid_auth_secret";
const char kSharingSenderIdFCMRegistrationToken[] = "test_sender_id_fcm_token";
const char kSharingSenderIdP256dh[] = "test_sender_id_p256_dh";
const char kSharingSenderIdAuthSecret[] = "test_sender_id_auth_secret";
const sync_pb::SharingSpecificFields::EnabledFeatures
    kSharingEnabledFeatures[] = {
        sync_pb::SharingSpecificFields::CLICK_TO_CALL_V2};

using testing::_;
using testing::NiceMock;
using testing::NotNull;
using testing::Return;
using testing::ReturnRef;

class MockDeviceInfoSyncClient : public DeviceInfoSyncClient {
 public:
  MockDeviceInfoSyncClient() = default;
  ~MockDeviceInfoSyncClient() = default;

  MOCK_METHOD(std::string, GetSigninScopedDeviceId, (), (const override));
  MOCK_METHOD(bool, GetSendTabToSelfReceivingEnabled, (), (const override));
  MOCK_METHOD(base::Optional<DeviceInfo::SharingInfo>,
              GetLocalSharingInfo,
              (),
              (const override));
  MOCK_METHOD(base::Optional<std::string>,
              GetFCMRegistrationToken,
              (),
              (const override));
  MOCK_METHOD(base::Optional<ModelTypeSet>,
              GetInterestedDataTypes,
              (),
              (const override));

 private:
  DISALLOW_COPY_AND_ASSIGN(MockDeviceInfoSyncClient);
};

class LocalDeviceInfoProviderImplTest : public testing::Test {
 public:
  LocalDeviceInfoProviderImplTest() {}
  ~LocalDeviceInfoProviderImplTest() override {}

  void SetUp() override {
    provider_ = std::make_unique<LocalDeviceInfoProviderImpl>(
        version_info::Channel::UNKNOWN,
        version_info::GetVersionStringWithModifier("UNKNOWN"),
        &device_info_sync_client_);
  }

  void TearDown() override { provider_.reset(); }

 protected:
  void InitializeProvider() { InitializeProvider(kLocalDeviceGuid); }

  void InitializeProvider(const std::string& guid) {
    provider_->Initialize(guid, kLocalDeviceClientName,
                          kLocalDeviceManufacturerName, kLocalDeviceModelName,
                          /*last_fcm_registration_token=*/std::string(),
                          ModelTypeSet());
  }

  testing::NiceMock<MockDeviceInfoSyncClient> device_info_sync_client_;
  std::unique_ptr<LocalDeviceInfoProviderImpl> provider_;
};

TEST_F(LocalDeviceInfoProviderImplTest, GetLocalDeviceInfo) {
  ASSERT_EQ(nullptr, provider_->GetLocalDeviceInfo());

  InitializeProvider();

  const DeviceInfo* local_device_info = provider_->GetLocalDeviceInfo();
  ASSERT_NE(nullptr, local_device_info);
  EXPECT_EQ(std::string(kLocalDeviceGuid), local_device_info->guid());
  EXPECT_EQ(kLocalDeviceClientName, local_device_info->client_name());
  EXPECT_EQ(kLocalDeviceManufacturerName,
            local_device_info->manufacturer_name());
  EXPECT_EQ(kLocalDeviceModelName, local_device_info->model_name());
  EXPECT_EQ(MakeUserAgentForSync(provider_->GetChannel()),
            local_device_info->sync_user_agent());

  provider_->Clear();
  ASSERT_EQ(nullptr, provider_->GetLocalDeviceInfo());
}

TEST_F(LocalDeviceInfoProviderImplTest, GetSigninScopedDeviceId) {
  const std::string kSigninScopedDeviceId = "device_id";

  EXPECT_CALL(device_info_sync_client_, GetSigninScopedDeviceId())
      .WillOnce(Return(kSigninScopedDeviceId));

  InitializeProvider();

  ASSERT_THAT(provider_->GetLocalDeviceInfo(), NotNull());
  EXPECT_EQ(kSigninScopedDeviceId,
            provider_->GetLocalDeviceInfo()->signin_scoped_device_id());
}

TEST_F(LocalDeviceInfoProviderImplTest, SendTabToSelfReceivingEnabled) {
  ON_CALL(device_info_sync_client_, GetSendTabToSelfReceivingEnabled())
      .WillByDefault(Return(true));

  InitializeProvider();

  ASSERT_THAT(provider_->GetLocalDeviceInfo(), NotNull());
  EXPECT_TRUE(
      provider_->GetLocalDeviceInfo()->send_tab_to_self_receiving_enabled());

  ON_CALL(device_info_sync_client_, GetSendTabToSelfReceivingEnabled())
      .WillByDefault(Return(false));

  ASSERT_THAT(provider_->GetLocalDeviceInfo(), NotNull());
  EXPECT_FALSE(
      provider_->GetLocalDeviceInfo()->send_tab_to_self_receiving_enabled());
}

TEST_F(LocalDeviceInfoProviderImplTest, SharingInfo) {
  ON_CALL(device_info_sync_client_, GetLocalSharingInfo())
      .WillByDefault(Return(base::nullopt));

  InitializeProvider();

  ASSERT_THAT(provider_->GetLocalDeviceInfo(), NotNull());
  EXPECT_FALSE(provider_->GetLocalDeviceInfo()->sharing_info());

  std::set<sync_pb::SharingSpecificFields::EnabledFeatures> enabled_features(
      std::begin(kSharingEnabledFeatures), std::end(kSharingEnabledFeatures));
  base::Optional<DeviceInfo::SharingInfo> sharing_info =
      base::make_optional<DeviceInfo::SharingInfo>(
          DeviceInfo::SharingTargetInfo{kSharingVapidFCMRegistrationToken,
                                        kSharingVapidP256dh,
                                        kSharingVapidAuthSecret},
          DeviceInfo::SharingTargetInfo{kSharingSenderIdFCMRegistrationToken,
                                        kSharingSenderIdP256dh,
                                        kSharingSenderIdAuthSecret},
          enabled_features);
  ON_CALL(device_info_sync_client_, GetLocalSharingInfo())
      .WillByDefault(Return(sharing_info));

  ASSERT_THAT(provider_->GetLocalDeviceInfo(), NotNull());
  const base::Optional<DeviceInfo::SharingInfo>& local_sharing_info =
      provider_->GetLocalDeviceInfo()->sharing_info();
  ASSERT_TRUE(local_sharing_info);
  EXPECT_EQ(kSharingVapidFCMRegistrationToken,
            local_sharing_info->vapid_target_info.fcm_token);
  EXPECT_EQ(kSharingVapidP256dh, local_sharing_info->vapid_target_info.p256dh);
  EXPECT_EQ(kSharingVapidAuthSecret,
            local_sharing_info->vapid_target_info.auth_secret);
  EXPECT_EQ(kSharingSenderIdFCMRegistrationToken,
            local_sharing_info->sender_id_target_info.fcm_token);
  EXPECT_EQ(kSharingSenderIdP256dh,
            local_sharing_info->sender_id_target_info.p256dh);
  EXPECT_EQ(kSharingSenderIdAuthSecret,
            local_sharing_info->sender_id_target_info.auth_secret);
  EXPECT_EQ(enabled_features, local_sharing_info->enabled_features);
}

TEST_F(LocalDeviceInfoProviderImplTest, ShouldPopulateFCMRegistrationToken) {
  InitializeProvider();
  ASSERT_THAT(provider_->GetLocalDeviceInfo(), NotNull());
  EXPECT_TRUE(
      provider_->GetLocalDeviceInfo()->fcm_registration_token().empty());

  const std::string kFCMRegistrationToken = "token";
  EXPECT_CALL(device_info_sync_client_, GetFCMRegistrationToken())
      .WillRepeatedly(Return(kFCMRegistrationToken));

  EXPECT_EQ(provider_->GetLocalDeviceInfo()->fcm_registration_token(),
            kFCMRegistrationToken);
}

TEST_F(LocalDeviceInfoProviderImplTest, ShouldPopulateInterestedDataTypes) {
  InitializeProvider();
  ASSERT_THAT(provider_->GetLocalDeviceInfo(), NotNull());
  EXPECT_TRUE(provider_->GetLocalDeviceInfo()->interested_data_types().Empty());

  const ModelTypeSet kTypes = ModelTypeSet(BOOKMARKS);
  EXPECT_CALL(device_info_sync_client_, GetInterestedDataTypes())
      .WillRepeatedly(Return(kTypes));

  EXPECT_EQ(provider_->GetLocalDeviceInfo()->interested_data_types(), kTypes);
}

TEST_F(LocalDeviceInfoProviderImplTest, ShouldKeepStoredInvalidationFields) {
  const std::string kFCMRegistrationToken = "fcm_token";
  const ModelTypeSet kInterestedDataTypes(BOOKMARKS);
  provider_->Initialize(kLocalDeviceGuid, kLocalDeviceClientName,
                        kLocalDeviceManufacturerName, kLocalDeviceModelName,
                        kFCMRegistrationToken, kInterestedDataTypes);

  EXPECT_CALL(device_info_sync_client_, GetFCMRegistrationToken())
      .WillOnce(Return(base::nullopt));
  EXPECT_CALL(device_info_sync_client_, GetInterestedDataTypes())
      .WillOnce(Return(base::nullopt));

  const DeviceInfo* local_device_info = provider_->GetLocalDeviceInfo();
  EXPECT_EQ(local_device_info->interested_data_types(), kInterestedDataTypes);
  EXPECT_EQ(local_device_info->fcm_registration_token(), kFCMRegistrationToken);
}

}  // namespace
}  // namespace syncer