// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "device/bluetooth/dbus/fake_bluetooth_profile_manager_client.h"

#include "base/location.h"
#include "base/logging.h"
#include "base/task/single_thread_task_runner.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "device/bluetooth/dbus/fake_bluetooth_profile_service_provider.h"
#include "third_party/cros_system_api/dbus/service_constants.h"

namespace bluez {

const char FakeBluetoothProfileManagerClient::kL2capUuid[] =
    "4d995052-33cc-4fdf-b446-75f32942a076";
const char FakeBluetoothProfileManagerClient::kRfcommUuid[] =
    "3f6d6dbf-a6ad-45fc-9653-47dc912ef70e";
const char FakeBluetoothProfileManagerClient::kUnregisterableUuid[] =
    "00000000-0000-0000-0000-000000000000";

FakeBluetoothProfileManagerClient::FakeBluetoothProfileManagerClient() =
    default;

FakeBluetoothProfileManagerClient::~FakeBluetoothProfileManagerClient() =
    default;

void FakeBluetoothProfileManagerClient::Init(
    dbus::Bus* bus,
    const std::string& bluetooth_service_name) {}

void FakeBluetoothProfileManagerClient::RegisterProfile(
    const dbus::ObjectPath& profile_path,
    const std::string& uuid,
    const Options& options,
    base::OnceClosure callback,
    ErrorCallback error_callback) {
  DVLOG(1) << "RegisterProfile: " << profile_path.value() << ": " << uuid;

  if (uuid == kUnregisterableUuid) {
    base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
        FROM_HERE,
        base::BindOnce(std::move(error_callback),
                       bluetooth_profile_manager::kErrorInvalidArguments,
                       "Can't register this UUID"));
    return;
  }

  // TODO(jamuraa): check options for channel & psm

  auto iter = service_provider_map_.find(profile_path);
  if (iter == service_provider_map_.end()) {
    std::move(error_callback)
        .Run(bluetooth_profile_manager::kErrorInvalidArguments,
             "No profile created");
  } else {
    auto piter = profile_map_.find(uuid);
    if (piter != profile_map_.end()) {
      std::move(error_callback)
          .Run(bluetooth_profile_manager::kErrorAlreadyExists,
               "Profile already registered");
    } else {
      profile_map_[uuid] = profile_path;
      base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
          FROM_HERE, std::move(callback));
    }
  }
}

void FakeBluetoothProfileManagerClient::UnregisterProfile(
    const dbus::ObjectPath& profile_path,
    base::OnceClosure callback,
    ErrorCallback error_callback) {
  DVLOG(1) << "UnregisterProfile: " << profile_path.value();

  auto iter = service_provider_map_.find(profile_path);
  if (iter == service_provider_map_.end()) {
    std::move(error_callback)
        .Run(bluetooth_profile_manager::kErrorInvalidArguments,
             "Profile not registered");
  } else {
    for (auto piter = profile_map_.begin(); piter != profile_map_.end();
         ++piter) {
      if (piter->second == profile_path) {
        profile_map_.erase(piter);
        break;
      }
    }

    base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
        FROM_HERE, std::move(callback));
  }
}

void FakeBluetoothProfileManagerClient::RegisterProfileServiceProvider(
    FakeBluetoothProfileServiceProvider* service_provider) {
  service_provider_map_[service_provider->object_path_] = service_provider;
}

void FakeBluetoothProfileManagerClient::UnregisterProfileServiceProvider(
    FakeBluetoothProfileServiceProvider* service_provider) {
  auto iter = service_provider_map_.find(service_provider->object_path_);
  if (iter != service_provider_map_.end() && iter->second == service_provider)
    service_provider_map_.erase(iter);
}

FakeBluetoothProfileServiceProvider*
FakeBluetoothProfileManagerClient::GetProfileServiceProvider(
    const std::string& uuid) {
  auto iter = profile_map_.find(uuid);
  if (iter == profile_map_.end())
    return nullptr;
  return service_provider_map_[iter->second];
}

}  // namespace bluez