// Copyright 2014 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.

#ifndef MOJO_SERVICES_TEST_SERVICE_TEST_REQUEST_TRACKER_IMPL_H_
#define MOJO_SERVICES_TEST_SERVICE_TEST_REQUEST_TRACKER_IMPL_H_

#include "base/memory/weak_ptr.h"
#include "mojo/public/cpp/system/macros.h"
#include "mojo/services/test_service/test_request_tracker.mojom.h"

namespace mojo {
class ApplicationConnection;
namespace test {

typedef std::map<uint64_t, std::vector<ServiceStats> > AllRecordsMap;

// Shared state between all instances of TestRequestTrackerImpl
// and the master TrackedRequestService.
struct TrackingContext {
  TrackingContext();
  ~TrackingContext();
  AllRecordsMap records;
  std::map<uint64_t, std::string> ids_to_names;
  uint64_t next_id;
};

class TestRequestTrackerImpl : public InterfaceImpl<TestRequestTracker> {
 public:
  explicit TestRequestTrackerImpl(TrackingContext* context);
  virtual ~TestRequestTrackerImpl();

  // TestRequestTracker.
  virtual void RecordStats(uint64_t client_id, ServiceStatsPtr stats) override;

  // InterfaceImpl override.
  virtual void OnConnectionEstablished() override;

 private:
  void UploaderNameCallback(uint64_t id, const mojo::String& name);
  TrackingContext* context_;
  base::WeakPtrFactory<TestRequestTrackerImpl> weak_factory_;
  MOJO_DISALLOW_COPY_AND_ASSIGN(TestRequestTrackerImpl);
};

class TestTrackedRequestServiceImpl
    : public InterfaceImpl<TestTrackedRequestService> {
 public:
  explicit TestTrackedRequestServiceImpl(TrackingContext* context);
  virtual ~TestTrackedRequestServiceImpl();

  // |TestTrackedRequestService| implementation.
  virtual void GetReport(
      const mojo::Callback<void(mojo::Array<ServiceReportPtr>)>& callback)
      override;

 private:
  TrackingContext* context_;
  MOJO_DISALLOW_COPY_AND_ASSIGN(TestTrackedRequestServiceImpl);
};

}  // namespace test
}  // namespace mojo

#endif  // MOJO_SERVICES_TEST_SERVICE_TEST_REQUEST_TRACKER_IMPL_H_