#pragma once

#include "bridge.hpp"

#include <cstdint>
#include <optional>
#include <string>
#include <vector>

struct ModbusBridgeConfig {
  std::string transport = "tcp";
  std::string host;
  uint16_t port = 502;
  uint8_t unitID = 1;
};

struct ModbusRegisterBinding {
  std::string modelID;
  int registerAddress = -1;
};

class DaliModbusBridge {
 public:
  explicit DaliModbusBridge(DaliBridgeEngine& engine);

  void setConfig(const ModbusBridgeConfig& config);
  const ModbusBridgeConfig& config() const;

  DaliBridgeResult handleHoldingRegisterWrite(int registerAddress, int value) const;
  std::optional<ModbusRegisterBinding> findHoldingRegister(int registerAddress) const;
  std::vector<ModbusRegisterBinding> describeHoldingRegisters() const;

 private:
  DaliBridgeEngine& engine_;
  ModbusBridgeConfig config_;
};