/**
 * @file tests/unit/test_audio.cpp
 * @brief Test src/audio.*.
 */
#include <bitset>
#include <src/audio.h>

#include <tests/conftest.cpp>

using namespace audio;

class AudioTest: public virtual BaseTest, public PlatformInitBase, public ::testing::WithParamInterface<std::tuple<std::basic_string_view<char>, config_t>> {
protected:
  void
  SetUp() override {
    BaseTest::SetUp();
    PlatformInitBase::SetUp();

    std::string_view p_name = std::get<0>(GetParam());
    std::cout << "AudioTest(" << p_name << "):: starting Fixture SetUp" << std::endl;

    m_config = std::get<1>(GetParam());
    m_mail = std::make_shared<safe::mail_raw_t>();
  }

  void
  TearDown() override {
    PlatformInitBase::TearDown();
    BaseTest::TearDown();
  }

protected:
  config_t m_config;
  safe::mail_t m_mail;
};

static std::bitset<config_t::MAX_FLAGS>
config_flags(int flag = -1) {
  std::bitset<3> result = std::bitset<config_t::MAX_FLAGS>();
  if (flag >= 0) {
    result.set(flag);
  }
  return result;
}

INSTANTIATE_TEST_SUITE_P(
  Configurations,
  AudioTest,
  ::testing::Values(
    std::make_tuple("HIGH_STEREO", config_t { 5, 2, 0x3, { 0 }, config_flags(config_t::HIGH_QUALITY) }),
    std::make_tuple("SURROUND51", config_t { 5, 6, 0x3F, { 0 }, config_flags() }),
    std::make_tuple("SURROUND71", config_t { 5, 8, 0x63F, { 0 }, config_flags() }),
    std::make_tuple("SURROUND51_CUSTOM", config_t { 5, 6, 0x3F, { 6, 4, 2, { 0, 1, 4, 5, 2, 3 } }, config_flags(config_t::CUSTOM_SURROUND_PARAMS) })));

TEST_P(AudioTest, TestEncode) {
  std::thread timer([&] {
    // Terminate the audio capture after 5 seconds.
    std::this_thread::sleep_for(5s);
    auto shutdown_event = m_mail->event<bool>(mail::shutdown);
    auto audio_packets = m_mail->queue<packet_t>(mail::audio_packets);
    shutdown_event->raise(true);
    audio_packets->stop();
  });
  std::thread capture([&] {
    auto packets = m_mail->queue<packet_t>(mail::audio_packets);
    auto shutdown_event = m_mail->event<bool>(mail::shutdown);
    while (auto packet = packets->pop()) {
      if (shutdown_event->peek()) {
        break;
      }
      auto packet_data = packet->second;
      if (packet_data.size() == 0) {
        FAIL() << "Empty packet data";
      }
    }
  });
  audio::capture(m_mail, m_config, nullptr);

  timer.join();
  capture.join();
}