// Copyright 2018 The Chromium OS 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 "oobe_config/oobe_config_restore_service.h"

#include <string>

#include "oobe_config/load_oobe_config_rollback.h"
#include "oobe_config/oobe_config.h"
#include "oobe_config/proto_bindings/oobe_config.pb.h"

#include <base/check.h>
#include <base/logging.h>

using brillo::dbus_utils::AsyncEventSequencer;

namespace oobe_config {

OobeConfigRestoreService::OobeConfigRestoreService(
    std::unique_ptr<brillo::dbus_utils::DBusObject> dbus_object)
    : org::chromium::OobeConfigRestoreAdaptor(this),
      dbus_object_(std::move(dbus_object)) {}

OobeConfigRestoreService::~OobeConfigRestoreService() = default;

void OobeConfigRestoreService::RegisterAsync(
    const AsyncEventSequencer::CompletionAction& completion_callback) {
  RegisterWithDBusObject(dbus_object_.get());
  dbus_object_->RegisterAsync(completion_callback);
}

void OobeConfigRestoreService::ProcessAndGetOobeAutoConfig(
    int32_t* error, OobeRestoreData* oobe_config_proto) {
  DCHECK(error);
  DCHECK(oobe_config_proto);

  LOG(INFO) << "Chrome requested OOBE config.";

  OobeConfig oobe_config;
  LoadOobeConfigRollback load_oobe_config_rollback(&oobe_config);
  std::string chrome_config_json, unused_enrollment_domain;

  // There is rollback data so attempt to parse it.
  const bool rollback_success = load_oobe_config_rollback.GetOobeConfigJson(
      &chrome_config_json, &unused_enrollment_domain);
  if (rollback_success) {
    LOG(INFO) << "Rollback oobe config sent.";
  } else {
    LOG(INFO) << "No rollback oobe config found.";
  }

  oobe_config_proto->set_chrome_config_json(chrome_config_json);
  *error = 0;
}

}  // namespace oobe_config