#include "modbus_rtu_client.h"
#include "jwst20_sensor.h"
#include <iostream>
#include <memory>
#include <chrono>
#include <thread>

int main() {
    std::cout << "--- Modbus RTU Sensor Client (C++ Core) ---\n";

    // 建议用一个 try-catch 块来捕获所有未处理的异常
    try {
        // 1. 创建 Modbus RTU 客户端，使用智能指针自动管理生命周期
        ModbusClientPtr modbus_client = std::make_unique<ModbusRTUClient>("/dev/ttyS7", 9600);
        std::cout << "Modbus client initialized on /dev/ttyS7 @ 9600 baud.\n";

        // 2. 创建传感器实例，传入 Modbus 客户端指针和从站地址
        JWST20Sensor sensor(modbus_client.get(), 0x01);
        std::cout << "JWST-20 sensor initialized for slave 01.\n";

        std::cout << "\nStarting continuous polling. Press Ctrl+C to exit.\n";
        while (true) {
            std::cout << "--- New Reading ---\n";
            
            // 3. 使用高级API读取温度
            try {
                float temp = sensor.read_temperature();
                std::cout << "Temperature: " << temp << " °C\n";
            } catch (const std::exception& e) {
                std::cerr << "[Temp Error] " << e.what() << std::endl;
            }

            // 4. 使用高级API读取湿度
            try {
                float hum = sensor.read_humidity();
                std::cout << "Humidity:    " << hum << " %RH\n";
            } catch (const std::exception& e) {
                std::cerr << "[Humi Error] " << e.what() << std::endl;
            }
            
            std::cout << "-------------------\n\n";
            
            // 暂停2秒
            std::this_thread::sleep_for(std::chrono::seconds(2));
        }
    } catch (const std::exception& e) {
        // 捕获在 main 函数顶层发生的任何错误（例如，串口打开失败）
        std::cerr << "[CRITICAL_ERROR] An unhandled exception occurred: " << e.what() << std::endl;
        return 1; // 返回非零表示错误
    }

    return 0; // 正常退出
}