// Copyright (c) 2012 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.

// Keep this file in sync with the .proto files in this directory.

#include "sync/protocol/proto_value_conversions.h"

#include "base/base64.h"
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "base/values.h"
#include "sync/protocol/app_notification_specifics.pb.h"
#include "sync/protocol/app_setting_specifics.pb.h"
#include "sync/protocol/app_specifics.pb.h"
#include "sync/protocol/autofill_specifics.pb.h"
#include "sync/protocol/bookmark_specifics.pb.h"
#include "sync/protocol/encryption.pb.h"
#include "sync/protocol/extension_setting_specifics.pb.h"
#include "sync/protocol/extension_specifics.pb.h"
#include "sync/protocol/nigori_specifics.pb.h"
#include "sync/protocol/password_specifics.pb.h"
#include "sync/protocol/preference_specifics.pb.h"
#include "sync/protocol/proto_enum_conversions.h"
#include "sync/protocol/search_engine_specifics.pb.h"
#include "sync/protocol/session_specifics.pb.h"
#include "sync/protocol/sync.pb.h"
#include "sync/protocol/theme_specifics.pb.h"
#include "sync/protocol/typed_url_specifics.pb.h"

namespace syncer {

namespace {

// Basic Type -> Value functions.

StringValue* MakeInt64Value(int64 x) {
  return Value::CreateStringValue(base::Int64ToString(x));
}

// TODO(akalin): Perhaps make JSONWriter support BinaryValue and use
// that instead of a StringValue.
StringValue* MakeBytesValue(const std::string& bytes) {
  std::string bytes_base64;
  if (!base::Base64Encode(bytes, &bytes_base64)) {
    NOTREACHED();
  }
  return Value::CreateStringValue(bytes_base64);
}

// T is the enum type.
template <class T>
StringValue* MakeEnumValue(T t, const char* (*converter_fn)(T)) {
  return Value::CreateStringValue(converter_fn(t));
}

// T is the field type, F is either RepeatedField or RepeatedPtrField,
// and V is a subclass of Value.
template <class T, class F, class V>
ListValue* MakeRepeatedValue(const F& fields, V* (*converter_fn)(T)) {
  ListValue* list = new ListValue();
  for (typename F::const_iterator it = fields.begin(); it != fields.end();
       ++it) {
    list->Append(converter_fn(*it));
  }
  return list;
}

}  // namespace

// Helper macros to reduce the amount of boilerplate.

#define SET(field, fn) value->Set(#field, fn(proto.field()))
#define SET_REP(field, fn) \
  value->Set(#field, MakeRepeatedValue(proto.field(), fn))
#define SET_ENUM(field, fn) \
  value->Set(#field, MakeEnumValue(proto.field(), fn))

#define SET_BOOL(field) SET(field, Value::CreateBooleanValue)
#define SET_BYTES(field) SET(field, MakeBytesValue)
#define SET_INT32(field) SET(field, MakeInt64Value)
#define SET_INT32_REP(field) SET_REP(field, MakeInt64Value)
#define SET_INT64(field) SET(field, MakeInt64Value)
#define SET_INT64_REP(field) SET_REP(field, MakeInt64Value)
#define SET_STR(field) SET(field, Value::CreateStringValue)
#define SET_STR_REP(field) \
  value->Set(#field, \
             MakeRepeatedValue<const std::string&, \
                               google::protobuf::RepeatedPtrField< \
                                   std::string >, \
                               StringValue>(proto.field(), \
                                            Value::CreateStringValue))

#define SET_FIELD(field, fn)                         \
  do {                                               \
    if (specifics.has_##field()) {                   \
      value->Set(#field, fn(specifics.field()));     \
    }                                                \
  } while (0)

// If you add another macro, don't forget to add an #undef at the end
// of this file, too.

DictionaryValue* EncryptedDataToValue(const sync_pb::EncryptedData& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(key_name);
  // TODO(akalin): Shouldn't blob be of type bytes instead of string?
  SET_BYTES(blob);
  return value;
}

DictionaryValue* AppSettingsToValue(
    const sync_pb::AppNotificationSettings& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_BOOL(initial_setup_done);
  SET_BOOL(disabled);
  SET_STR(oauth_client_id);
  return value;
}

DictionaryValue* SessionHeaderToValue(
    const sync_pb::SessionHeader& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_REP(window, SessionWindowToValue);
  SET_STR(client_name);
  SET_ENUM(device_type, GetDeviceTypeString);
  return value;
}

DictionaryValue* SessionTabToValue(
    const sync_pb::SessionTab& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_INT32(tab_id);
  SET_INT32(window_id);
  SET_INT32(tab_visual_index);
  SET_INT32(current_navigation_index);
  SET_BOOL(pinned);
  SET_STR(extension_app_id);
  SET_REP(navigation, TabNavigationToValue);
  SET_BYTES(favicon);
  SET_ENUM(favicon_type, GetFaviconTypeString);
  SET_STR(favicon_source);
  return value;
}

DictionaryValue* SessionWindowToValue(
    const sync_pb::SessionWindow& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_INT32(window_id);
  SET_INT32(selected_tab_index);
  SET_INT32_REP(tab);
  SET_ENUM(browser_type, GetBrowserTypeString);
  return value;
}

DictionaryValue* TabNavigationToValue(
    const sync_pb::TabNavigation& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(virtual_url);
  SET_STR(referrer);
  SET_STR(title);
  SET_STR(state);
  SET_ENUM(page_transition, GetPageTransitionString);
  SET_ENUM(navigation_qualifier, GetPageTransitionQualifierString);
  SET_INT32(unique_id);
  SET_INT64(timestamp);
  return value;
}

DictionaryValue* PasswordSpecificsDataToValue(
    const sync_pb::PasswordSpecificsData& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_INT32(scheme);
  SET_STR(signon_realm);
  SET_STR(origin);
  SET_STR(action);
  SET_STR(username_element);
  SET_STR(username_value);
  SET_STR(password_element);
  value->SetString("password_value", "<redacted>");
  SET_BOOL(ssl_valid);
  SET_BOOL(preferred);
  SET_INT64(date_created);
  SET_BOOL(blacklisted);
  return value;
}

DictionaryValue* DeviceInformationToValue(
    const sync_pb::DeviceInformation& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(cache_guid);
  SET_STR(name);
  SET_STR(platform);
  SET_STR(chrome_version);
  return value;
}

DictionaryValue* AppNotificationToValue(
    const sync_pb::AppNotification& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(guid);
  SET_STR(app_id);
  SET_INT64(creation_timestamp_ms);
  SET_STR(title);
  SET_STR(body_text);
  SET_STR(link_url);
  SET_STR(link_text);
  return value;
}

DictionaryValue* AppSettingSpecificsToValue(
    const sync_pb::AppSettingSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET(extension_setting, ExtensionSettingSpecificsToValue);
  return value;
}

DictionaryValue* AppSpecificsToValue(
    const sync_pb::AppSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET(extension, ExtensionSpecificsToValue);
  SET(notification_settings, AppSettingsToValue);
  SET_STR(app_launch_ordinal);
  SET_STR(page_ordinal);

  return value;
}

DictionaryValue* AutofillSpecificsToValue(
    const sync_pb::AutofillSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(name);
  SET_STR(value);
  SET_INT64_REP(usage_timestamp);
  SET(profile, AutofillProfileSpecificsToValue);
  return value;
}

DictionaryValue* AutofillProfileSpecificsToValue(
    const sync_pb::AutofillProfileSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(label);
  SET_STR(guid);

  SET_STR_REP(name_first);
  SET_STR_REP(name_middle);
  SET_STR_REP(name_last);
  SET_STR_REP(email_address);
  SET_STR(company_name);

  SET_STR(address_home_line1);
  SET_STR(address_home_line2);
  SET_STR(address_home_city);
  SET_STR(address_home_state);
  SET_STR(address_home_zip);
  SET_STR(address_home_country);

  SET_STR_REP(phone_home_whole_number);
  return value;
}

DictionaryValue* BookmarkSpecificsToValue(
    const sync_pb::BookmarkSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(url);
  SET_BYTES(favicon);
  SET_STR(title);
  return value;
}

DictionaryValue* ExtensionSettingSpecificsToValue(
    const sync_pb::ExtensionSettingSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(extension_id);
  SET_STR(key);
  SET_STR(value);
  return value;
}

DictionaryValue* ExtensionSpecificsToValue(
    const sync_pb::ExtensionSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(id);
  SET_STR(version);
  SET_STR(update_url);
  SET_BOOL(enabled);
  SET_BOOL(incognito_enabled);
  SET_STR(name);
  return value;
}

DictionaryValue* NigoriSpecificsToValue(
    const sync_pb::NigoriSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET(encryption_keybag, EncryptedDataToValue);
  SET_BOOL(keybag_is_frozen);
  SET_BOOL(encrypt_bookmarks);
  SET_BOOL(encrypt_preferences);
  SET_BOOL(encrypt_autofill_profile);
  SET_BOOL(encrypt_autofill);
  SET_BOOL(encrypt_themes);
  SET_BOOL(encrypt_typed_urls);
  SET_BOOL(encrypt_extension_settings);
  SET_BOOL(encrypt_extensions);
  SET_BOOL(encrypt_sessions);
  SET_BOOL(encrypt_app_settings);
  SET_BOOL(encrypt_apps);
  SET_BOOL(encrypt_search_engines);
  SET_BOOL(encrypt_everything);
  SET_REP(device_information, DeviceInformationToValue);
  SET_BOOL(sync_tab_favicons);
  SET_ENUM(passphrase_type, PassphraseTypeString);
  SET(keystore_decryptor_token, EncryptedDataToValue);
  SET_INT64(keystore_migration_time);
  return value;
}

DictionaryValue* PasswordSpecificsToValue(
    const sync_pb::PasswordSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET(encrypted, EncryptedDataToValue);
  return value;
}

DictionaryValue* PreferenceSpecificsToValue(
    const sync_pb::PreferenceSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(name);
  SET_STR(value);
  return value;
}

DictionaryValue* SearchEngineSpecificsToValue(
    const sync_pb::SearchEngineSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(short_name);
  SET_STR(keyword);
  SET_STR(favicon_url);
  SET_STR(url);
  SET_BOOL(safe_for_autoreplace);
  SET_STR(originating_url);
  SET_INT64(date_created);
  SET_STR(input_encodings);
  SET_BOOL(show_in_default_list);
  SET_STR(suggestions_url);
  SET_INT32(prepopulate_id);
  SET_BOOL(autogenerate_keyword);
  SET_STR(instant_url);
  SET_INT64(last_modified);
  SET_STR(sync_guid);
  return value;
}

DictionaryValue* SessionSpecificsToValue(
    const sync_pb::SessionSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(session_tag);
  SET(header, SessionHeaderToValue);
  SET(tab, SessionTabToValue);
  SET_INT32(tab_node_id);
  return value;
}

DictionaryValue* ThemeSpecificsToValue(
    const sync_pb::ThemeSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_BOOL(use_custom_theme);
  SET_BOOL(use_system_theme_by_default);
  SET_STR(custom_theme_name);
  SET_STR(custom_theme_id);
  SET_STR(custom_theme_update_url);
  return value;
}

DictionaryValue* TypedUrlSpecificsToValue(
    const sync_pb::TypedUrlSpecifics& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(url);
  SET_STR(title);
  SET_BOOL(hidden);
  SET_INT64_REP(visits);
  SET_INT32_REP(visit_transitions);
  return value;
}

DictionaryValue* EntitySpecificsToValue(
    const sync_pb::EntitySpecifics& specifics) {
  DictionaryValue* value = new DictionaryValue();
  SET_FIELD(app, AppSpecificsToValue);
  SET_FIELD(app_notification, AppNotificationToValue);
  SET_FIELD(app_setting, AppSettingSpecificsToValue);
  SET_FIELD(autofill, AutofillSpecificsToValue);
  SET_FIELD(autofill_profile, AutofillProfileSpecificsToValue);
  SET_FIELD(bookmark, BookmarkSpecificsToValue);
  SET_FIELD(extension, ExtensionSpecificsToValue);
  SET_FIELD(extension_setting, ExtensionSettingSpecificsToValue);
  SET_FIELD(nigori, NigoriSpecificsToValue);
  SET_FIELD(password, PasswordSpecificsToValue);
  SET_FIELD(preference, PreferenceSpecificsToValue);
  SET_FIELD(search_engine, SearchEngineSpecificsToValue);
  SET_FIELD(session, SessionSpecificsToValue);
  SET_FIELD(theme, ThemeSpecificsToValue);
  SET_FIELD(typed_url, TypedUrlSpecificsToValue);
  return value;
}

namespace {

DictionaryValue* SyncEntityToValue(const sync_pb::SyncEntity& proto,
                                   bool include_specifics) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(id_string);
  SET_STR(parent_id_string);
  SET_STR(old_parent_id);
  SET_INT64(version);
  SET_INT64(mtime);
  SET_INT64(ctime);
  SET_STR(name);
  SET_STR(non_unique_name);
  SET_INT64(sync_timestamp);
  SET_STR(server_defined_unique_tag);
  SET_INT64(position_in_parent);
  SET_STR(insert_after_item_id);
  SET_BOOL(deleted);
  SET_STR(originator_cache_guid);
  SET_STR(originator_client_item_id);
  if (include_specifics)
    SET(specifics, EntitySpecificsToValue);
  SET_BOOL(folder);
  SET_STR(client_defined_unique_tag);
  return value;
}

ListValue* SyncEntitiesToValue(
    const ::google::protobuf::RepeatedPtrField<sync_pb::SyncEntity>& entities,
    bool include_specifics) {
  ListValue* list = new ListValue();
  ::google::protobuf::RepeatedPtrField<sync_pb::SyncEntity>::const_iterator it;
  for (it = entities.begin(); it != entities.end(); ++it) {
    list->Append(SyncEntityToValue(*it, include_specifics));
  }

  return list;
}

DictionaryValue* ChromiumExtensionActivityToValue(
    const sync_pb::ChromiumExtensionsActivity& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(extension_id);
  SET_INT32(bookmark_writes_since_last_commit);
  return value;
}

DictionaryValue* CommitMessageToValue(
    const sync_pb::CommitMessage& proto,
    bool include_specifics) {
  DictionaryValue* value = new DictionaryValue();
  value->Set("entries",
             SyncEntitiesToValue(proto.entries(), include_specifics));
  SET_STR(cache_guid);
  SET_REP(extensions_activity, ChromiumExtensionActivityToValue);
  return value;
}

DictionaryValue* DataTypeProgressMarkerToValue(
    const sync_pb::DataTypeProgressMarker& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_INT32(data_type_id);
  SET_BYTES(token);
  SET_INT64(timestamp_token_for_migration);
  SET_STR(notification_hint);
  return value;
}

DictionaryValue* GetUpdatesCallerInfoToValue(
    const sync_pb::GetUpdatesCallerInfo& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_ENUM(source, GetUpdatesSourceString);
  SET_BOOL(notifications_enabled);
  return value;
}

DictionaryValue* GetUpdatesMessageToValue(
    const sync_pb::GetUpdatesMessage& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET(caller_info, GetUpdatesCallerInfoToValue);
  SET_BOOL(fetch_folders);
  SET_INT32(batch_size);
  SET_REP(from_progress_marker, DataTypeProgressMarkerToValue);
  SET_BOOL(streaming);
  SET_BOOL(create_mobile_bookmarks_folder);
  return value;
}

DictionaryValue* EntryResponseToValue(
    const sync_pb::CommitResponse::EntryResponse& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_ENUM(response_type, GetResponseTypeString);
  SET_STR(id_string);
  SET_STR(parent_id_string);
  SET_INT64(position_in_parent);
  SET_INT64(version);
  SET_STR(name);
  SET_STR(error_message);
  SET_INT64(mtime);
  return value;
}

DictionaryValue* CommitResponseToValue(const sync_pb::CommitResponse& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_REP(entryresponse, EntryResponseToValue);
  return value;
}

DictionaryValue* GetUpdatesResponseToValue(
    const sync_pb::GetUpdatesResponse& proto,
    bool include_specifics) {
  DictionaryValue* value = new DictionaryValue();
  value->Set("entries",
             SyncEntitiesToValue(proto.entries(), include_specifics));
  SET_INT64(changes_remaining);
  SET_REP(new_progress_marker, DataTypeProgressMarkerToValue);
  return value;
}

DictionaryValue* ClientCommandToValue(const sync_pb::ClientCommand& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_INT32(set_sync_poll_interval);
  SET_INT32(set_sync_long_poll_interval);
  SET_INT32(max_commit_batch_size);
  SET_INT32(sessions_commit_delay_seconds);
  SET_INT32(throttle_delay_seconds);
  return value;
}

DictionaryValue* ErrorToValue(
    const sync_pb::ClientToServerResponse::Error& proto) {
  DictionaryValue* value = new DictionaryValue();
  SET_ENUM(error_type, GetErrorTypeString);
  SET_STR(error_description);
  SET_STR(url);
  SET_ENUM(action, GetActionString);
  return value;
}

}  // namespace

DictionaryValue* ClientToServerResponseToValue(
    const sync_pb::ClientToServerResponse& proto,
    bool include_specifics) {
  DictionaryValue* value = new DictionaryValue();
  SET(commit, CommitResponseToValue);
  if (proto.has_get_updates()) {
    value->Set("get_updates", GetUpdatesResponseToValue(proto.get_updates(),
                                                        include_specifics));
  }

  SET(error, ErrorToValue);
  SET_ENUM(error_code, GetErrorTypeString);
  SET_STR(error_message);
  SET_STR(store_birthday);
  SET(client_command, ClientCommandToValue);
  SET_INT32_REP(migrated_data_type_id);
  return value;
}

DictionaryValue* ClientToServerMessageToValue(
    const sync_pb::ClientToServerMessage& proto,
    bool include_specifics) {
  DictionaryValue* value = new DictionaryValue();
  SET_STR(share);
  SET_INT32(protocol_version);
  if (proto.has_commit()) {
    value->Set("commit",
               CommitMessageToValue(proto.commit(), include_specifics));
  }

  SET(get_updates, GetUpdatesMessageToValue);
  SET_STR(store_birthday);
  SET_BOOL(sync_problem_detected);
  return value;
}

#undef SET
#undef SET_REP

#undef SET_BOOL
#undef SET_BYTES
#undef SET_INT32
#undef SET_INT64
#undef SET_INT64_REP
#undef SET_STR
#undef SET_STR_REP

#undef SET_FIELD

}  // namespace syncer