#include "dt4.hpp"

#include "dali_define.hpp"

#include <algorithm>
#include <optional>

DaliDT4::DaliDT4(DaliBase& base) : base_(base) {}

bool DaliDT4::enable() { return base_.dtSelect(4); }

int DaliDT4::addrOf(int a) { return a * 2 + 1; }

std::optional<int> DaliDT4::query(int a, int code) {
  if (!enable()) return std::nullopt;
  return base_.queryCmd(static_cast<uint8_t>(addrOf(a)), static_cast<uint8_t>(code));
}

std::optional<bool> DaliDT4::queryYesNo(int a, int code) {
  const auto value = query(a, code);
  if (!value.has_value()) return std::nullopt;
  return value.value() != 0;
}

bool DaliDT4::enableDT4() { return enable(); }

bool DaliDT4::referenceSystemPower(int a) {
  return enable() && base_.sendExtCmd(addrOf(a), DALI_CMD_DT4_REFERENCE_SYSTEM_POWER);
}

bool DaliDT4::selectDimmingCurve(int a, int curve) {
  const int value = std::clamp(curve, 0, 255);
  return base_.setDTR(value) && enable() &&
         base_.sendExtCmd(addrOf(a), DALI_CMD_DT4_SELECT_DIMMING_CURVE);
}

std::optional<int> DaliDT4::getDimmingCurve(int a) { return query(a, DALI_CMD_DT4_QUERY_DIMMING_CURVE); }

std::optional<DaliDT4DimmerStatus> DaliDT4::getDimmerStatus(int a) {
  const auto raw = query(a, DALI_CMD_DT4_QUERY_DIMMER_STATUS);
  if (!raw.has_value()) return std::nullopt;
  return DaliDT4DimmerStatus(raw.value());
}

std::optional<DaliDT4Features> DaliDT4::getFeatures(int a) {
  const auto raw1 = query(a, DALI_CMD_DT4_QUERY_FEATURES);
  if (!raw1.has_value()) return std::nullopt;
  const auto raw2 = base_.getDTR(a);
  const auto raw3 = base_.getDTR1(a);
  if (!raw2.has_value() || !raw3.has_value()) return std::nullopt;
  return DaliDT4Features(raw1.value(), raw2.value(), raw3.value());
}

std::optional<DaliDT4FailureStatus> DaliDT4::getFailureStatus(int a) {
  const auto raw1 = query(a, DALI_CMD_DT4_QUERY_FAILURE_STATUS);
  if (!raw1.has_value()) return std::nullopt;
  const auto raw2 = base_.getDTR1(a);
  if (!raw2.has_value()) return std::nullopt;
  return DaliDT4FailureStatus(raw1.value(), raw2.value());
}

std::optional<int> DaliDT4::getDimmerTemperatureRaw(int a) {
  return query(a, DALI_CMD_DT4_QUERY_DIMMER_TEMPERATURE);
}

std::optional<int> DaliDT4::getDimmerTemperatureCelsius(int a) {
  const auto raw = getDimmerTemperatureRaw(a);
  if (!raw.has_value() || raw.value() == 0xFF) return std::nullopt;
  return raw.value() - 40;
}

std::optional<int> DaliDT4::getRmsSupplyVoltageRaw(int a) {
  return query(a, DALI_CMD_DT4_QUERY_RMS_SUPPLY_VOLTAGE);
}

std::optional<double> DaliDT4::getRmsSupplyVoltageVolts(int a) {
  const auto raw = getRmsSupplyVoltageRaw(a);
  if (!raw.has_value() || raw.value() == 0xFF) return std::nullopt;
  return raw.value() * 2.0;
}

std::optional<int> DaliDT4::getSupplyFrequencyRaw(int a) {
  return query(a, DALI_CMD_DT4_QUERY_SUPPLY_FREQUENCY);
}

std::optional<double> DaliDT4::getSupplyFrequencyHertz(int a) {
  const auto raw = getSupplyFrequencyRaw(a);
  if (!raw.has_value() || raw.value() == 0xFF) return std::nullopt;
  return raw.value() * 0.5;
}

std::optional<int> DaliDT4::getRmsLoadVoltageRaw(int a) {
  return query(a, DALI_CMD_DT4_QUERY_RMS_LOAD_VOLTAGE);
}

std::optional<double> DaliDT4::getRmsLoadVoltageVolts(int a) {
  const auto raw = getRmsLoadVoltageRaw(a);
  if (!raw.has_value() || raw.value() == 0xFF) return std::nullopt;
  return raw.value() * 2.0;
}

std::optional<int> DaliDT4::getRmsLoadCurrentRaw(int a) {
  return query(a, DALI_CMD_DT4_QUERY_RMS_LOAD_CURRENT);
}

std::optional<double> DaliDT4::getRmsLoadCurrentPercent(int a) {
  const auto raw = getRmsLoadCurrentRaw(a);
  if (!raw.has_value() || raw.value() == 0xFF) return std::nullopt;
  return raw.value() * 0.5;
}

std::optional<int> DaliDT4::getRealLoadPowerRaw(int a) {
  const auto high = query(a, DALI_CMD_DT4_QUERY_REAL_LOAD_POWER);
  if (!high.has_value()) return std::nullopt;
  const auto low = base_.getDTR(a);
  if (!low.has_value()) return std::nullopt;
  return ((high.value() & 0xFF) << 8) | (low.value() & 0xFF);
}

std::optional<double> DaliDT4::getRealLoadPowerWatts(int a) {
  const auto raw = getRealLoadPowerRaw(a);
  if (!raw.has_value() || raw.value() == 0xFFFF) return std::nullopt;
  return raw.value() * 0.25;
}

std::optional<int> DaliDT4::getLoadRatingRaw(int a) {
  return query(a, DALI_CMD_DT4_QUERY_LOAD_RATING);
}

std::optional<double> DaliDT4::getLoadRatingAmps(int a) {
  const auto raw = getLoadRatingRaw(a);
  if (!raw.has_value() || raw.value() == 0xFF) return std::nullopt;
  return raw.value() * 0.15;
}

std::optional<bool> DaliDT4::isReferenceRunning(int a) {
  return queryYesNo(a, DALI_CMD_DT4_QUERY_REFERENCE_RUNNING);
}

std::optional<bool> DaliDT4::isReferenceMeasurementFailed(int a) {
  return queryYesNo(a, DALI_CMD_DT4_QUERY_REFERENCE_MEASUREMENT_FAILED);
}

std::optional<int> DaliDT4::getExtendedVersion(int a) {
  return query(a, DALI_CMD_DT4_QUERY_EXTENDED_VERSION);
}