#pragma once

#include <cstddef>
#include <cstdint>
#include <vector>

#include "esp_err.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"

namespace gateway {

class GatewayController;

struct Gateway485ControlBridgeConfig {
  bool enabled{false};
  int tx_pin{-1};
  int rx_pin{-1};
  uint32_t baudrate{9600};
  size_t rx_buffer_size{256};
  size_t tx_buffer_size{256};
  uint32_t read_timeout_ms{20};
  uint32_t write_timeout_ms{20};
  uint32_t task_stack_size{4096};
  UBaseType_t task_priority{4};
};

class Gateway485ControlBridge {
 public:
  Gateway485ControlBridge(GatewayController& controller,
                            Gateway485ControlBridgeConfig config = {});

  esp_err_t start();

 private:
  static void TaskEntry(void* arg);
  void taskLoop();
  void handleBytes(const uint8_t* data, size_t len);
  void handleGatewayNotification(const std::vector<uint8_t>& frame);

  GatewayController& controller_;
  Gateway485ControlBridgeConfig config_;
  TaskHandle_t task_handle_{nullptr};
  bool started_{false};
};

}  // namespace gateway