// 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.

#include "sync/test/mock_invalidation_tracker.h"

#include <stdint.h>

#include "base/logging.h"
#include "sync/test/trackable_mock_invalidation.h"

namespace syncer {

std::unique_ptr<TrackableMockInvalidation>
MockInvalidationTracker::IssueUnknownVersionInvalidation() {
  return std::unique_ptr<TrackableMockInvalidation>(
      new TrackableMockInvalidation(true, -1, std::string(), this, next_id_++));
}

std::unique_ptr<TrackableMockInvalidation>
MockInvalidationTracker::IssueInvalidation(int64_t version,
                                           const std::string& payload) {
  return std::unique_ptr<TrackableMockInvalidation>(
      new TrackableMockInvalidation(false, version, payload, this, next_id_++));
}

MockInvalidationTracker::MockInvalidationTracker() : next_id_(0) {
}

MockInvalidationTracker::~MockInvalidationTracker() {
}

void MockInvalidationTracker::Acknowledge(int invalidation_id) {
  acknowledged_.insert(invalidation_id);
}

void MockInvalidationTracker::Drop(int invalidation_id) {
  dropped_.insert(invalidation_id);
}

bool MockInvalidationTracker::IsUnacked(int invalidation_id) const {
  DCHECK_LE(invalidation_id, next_id_);
  return !IsAcknowledged(invalidation_id) && !IsDropped(invalidation_id);
}

bool MockInvalidationTracker::IsAcknowledged(int invalidation_id) const {
  DCHECK_LE(invalidation_id, next_id_);
  return acknowledged_.find(invalidation_id) != acknowledged_.end();
}

bool MockInvalidationTracker::IsDropped(int invalidation_id) const {
  DCHECK_LE(invalidation_id, next_id_);
  return dropped_.find(invalidation_id) != dropped_.end();
}

bool MockInvalidationTracker::AllInvalidationsAccountedFor() const {
  for (int i = 0; i < next_id_; ++i) {
    if (IsUnacked(i)) {
      return false;
    }
  }
  return true;
}

}  // namespace syncer