// Copyright 2017 The Fuchsia 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 "src/cobalt/bin/app/logger_factory_impl.h"

#include "src/cobalt/bin/app/utils.h"
#include "src/lib/fsl/vmo/strings.h"

namespace cobalt {

using cobalt::TimerManager;
using config::ProjectConfigs;
using FuchsiaStatus = fuchsia::cobalt::Status;

constexpr uint32_t kFuchsiaCustomerId = 1;

LoggerFactoryImpl::LoggerFactoryImpl(TimerManager* timer_manager,
                                     CobaltServiceInterface* cobalt_service)
    : timer_manager_(timer_manager), cobalt_service_(cobalt_service) {}

template <typename LoggerInterface, typename Callback>
void LoggerFactoryImpl::CreateAndBindLoggerFromProjectId(
    uint32_t customer_id, uint32_t project_id, fidl::InterfaceRequest<LoggerInterface> request,
    Callback callback,
    fidl::BindingSet<LoggerInterface, std::unique_ptr<LoggerInterface>>* binding_set) {
  if (shut_down_) {
    FX_LOGS(ERROR) << "The LoggerFactory received a ShutDown signal and can not "
                      "create a new Logger.";
    callback(FuchsiaStatus::SHUT_DOWN);
    return;
  }
  auto logger = cobalt_service_->NewLogger(customer_id, project_id);
  if (!logger) {
    FX_LOGS(ERROR) << "The CobaltRegistry bundled with this release does not "
                      "include a Fuchsia project with ID "
                   << project_id << " for customer with ID " << customer_id;
    callback(FuchsiaStatus::INVALID_ARGUMENTS);
    return;
  }
  binding_set->AddBinding(std::make_unique<LoggerImpl>(std::move(logger), timer_manager_),
                          std::move(request));
  callback(FuchsiaStatus::OK);
}

void LoggerFactoryImpl::CreateLoggerFromProjectId(
    uint32_t project_id, fidl::InterfaceRequest<fuchsia::cobalt::Logger> request,
    CreateLoggerFromProjectIdCallback callback) {
  CreateAndBindLoggerFromProjectId(kFuchsiaCustomerId, project_id, std::move(request),
                                   std::move(callback), &logger_bindings_);
}

void LoggerFactoryImpl::CreateLoggerSimpleFromProjectId(
    uint32_t project_id, fidl::InterfaceRequest<fuchsia::cobalt::LoggerSimple> request,
    CreateLoggerSimpleFromProjectIdCallback callback) {
  CreateAndBindLoggerFromProjectId(kFuchsiaCustomerId, project_id, std::move(request),
                                   std::move(callback), &logger_simple_bindings_);
}

void LoggerFactoryImpl::CreateLoggerFromProjectSpec(
    uint32_t customer_id, uint32_t project_id,
    fidl::InterfaceRequest<fuchsia::cobalt::Logger> request,
    CreateLoggerFromProjectSpecCallback callback) {
  CreateAndBindLoggerFromProjectId(customer_id, project_id, std::move(request), std::move(callback),
                                   &logger_bindings_);
}

void LoggerFactoryImpl::ShutDown() {
  shut_down_ = true;
  logger_bindings_.CloseAll();
  logger_simple_bindings_.CloseAll();
}

}  // namespace cobalt