/*
 *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef MODULES_AUDIO_PROCESSING_AEC3_MOCK_MOCK_RENDER_DELAY_BUFFER_H_
#define MODULES_AUDIO_PROCESSING_AEC3_MOCK_MOCK_RENDER_DELAY_BUFFER_H_

#include <vector>

#include "modules/audio_processing/aec3/aec3_common.h"
#include "modules/audio_processing/aec3/downsampled_render_buffer.h"
#include "modules/audio_processing/aec3/render_buffer.h"
#include "modules/audio_processing/aec3/render_delay_buffer.h"
#include "test/gmock.h"

namespace webrtc {
namespace test {

class MockRenderDelayBuffer : public RenderDelayBuffer {
 public:
  explicit MockRenderDelayBuffer(int sample_rate_hz)
      : block_buffer_(GetRenderDelayBufferSize(4, 4, 12),
                      NumBandsForRate(sample_rate_hz),
                      kBlockSize),
        spectrum_buffer_(block_buffer_.buffer.size(), kFftLengthBy2Plus1),
        fft_buffer_(block_buffer_.buffer.size()),
        render_buffer_(&block_buffer_, &spectrum_buffer_, &fft_buffer_),
        downsampled_render_buffer_(GetDownSampledBufferSize(4, 4)) {
    ON_CALL(*this, GetRenderBuffer())
        .WillByDefault(
            testing::Invoke(this, &MockRenderDelayBuffer::FakeGetRenderBuffer));
    ON_CALL(*this, GetDownsampledRenderBuffer())
        .WillByDefault(testing::Invoke(
            this, &MockRenderDelayBuffer::FakeGetDownsampledRenderBuffer));
  }
  virtual ~MockRenderDelayBuffer() = default;

  MOCK_METHOD0(Reset, void());
  MOCK_METHOD1(Insert,
               RenderDelayBuffer::BufferingEvent(
                   const std::vector<std::vector<float>>& block));
  MOCK_METHOD0(PrepareCaptureProcessing, RenderDelayBuffer::BufferingEvent());
  MOCK_METHOD1(SetDelay, bool(size_t delay));
  MOCK_CONST_METHOD0(Delay, size_t());
  MOCK_CONST_METHOD0(MaxDelay, size_t());
  MOCK_METHOD0(GetRenderBuffer, RenderBuffer*());
  MOCK_CONST_METHOD0(GetDownsampledRenderBuffer,
                     const DownsampledRenderBuffer&());
  MOCK_CONST_METHOD1(CausalDelay, bool(size_t delay));
  MOCK_METHOD1(SetAudioBufferDelay, void(size_t delay_ms));

 private:
  RenderBuffer* FakeGetRenderBuffer() { return &render_buffer_; }
  const DownsampledRenderBuffer& FakeGetDownsampledRenderBuffer() const {
    return downsampled_render_buffer_;
  }
  MatrixBuffer block_buffer_;
  VectorBuffer spectrum_buffer_;
  FftBuffer fft_buffer_;
  RenderBuffer render_buffer_;
  DownsampledRenderBuffer downsampled_render_buffer_;
};

}  // namespace test
}  // namespace webrtc

#endif  // MODULES_AUDIO_PROCESSING_AEC3_MOCK_MOCK_RENDER_DELAY_BUFFER_H_