// 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 "shill/cellular/modem_info.h"

#include <memory>
#include <utility>

#include <chromeos/dbus/service_constants.h>

#include "shill/cellular/modem_manager.h"
#include "shill/logging.h"
#include "shill/manager.h"
#include "shill/pending_activation_store.h"

using std::string;

namespace shill {

ModemInfo::ModemInfo(ControlInterface* control_interface,
                     EventDispatcher* dispatcher,
                     Metrics* metrics,
                     Manager* manager)
    : control_interface_(control_interface),
      dispatcher_(dispatcher),
      metrics_(metrics),
      manager_(manager) {}

ModemInfo::~ModemInfo() {
  Stop();
}

void ModemInfo::Start() {
  pending_activation_store_.reset(new PendingActivationStore());
  pending_activation_store_->InitStorage(manager_->storage_path());

  RegisterModemManager(std::make_unique<ModemManagerClassic>(
      cromo::kCromoServiceName, cromo::kCromoServicePath, this));
  RegisterModemManager(
      std::make_unique<ModemManager1>(modemmanager::kModemManager1ServiceName,
                                      modemmanager::kModemManager1ServicePath,
                                      this));
}

void ModemInfo::Stop() {
  pending_activation_store_.reset();
  modem_managers_.clear();
}

void ModemInfo::OnDeviceInfoAvailable(const string& link_name) {
  for (const auto& manager : modem_managers_) {
    manager->OnDeviceInfoAvailable(link_name);
  }
}

void ModemInfo::set_pending_activation_store(
    PendingActivationStore* pending_activation_store) {
  pending_activation_store_.reset(pending_activation_store);
}

void ModemInfo::RegisterModemManager(std::unique_ptr<ModemManager> manager) {
  modem_managers_.push_back(std::move(manager));
  modem_managers_.back()->Start();
}

}  // namespace shill