#include <windows.h>
#include <tchar.h>
#include <signal.h>
#include <cstdlib>
#include <iostream>
#include "Serial.h"

//#define DEBUG true

// Set up the handler for CTRL+C interruption signal
volatile int ctrlc_pressed = 0;
void ctrlc_handler(int sig){
    ctrlc_pressed = 1;
    std::cout << "CTRL+C hit, exiting" << std::endl;
}

int main(int argc, char *argv[]){
    signal(SIGINT, ctrlc_handler);      // Register the signal handler

    SYSTEM_POWER_STATUS power_status;   // The variable for power
    MEMORYSTATUSEX      memory_status;  // And memory
    memory_status.dwLength = sizeof(memory_status); // ??? - As per docs.
    CSerial serial;             // New serial object

    serial.Open(_T("COM1"));    // Open port COM1
    serial.Setup(
        CSerial::EBaud9600,     // 9600 baud
        CSerial::EData8,        // 8-bit bytes
        CSerial::EParNone,      // No parity
        CSerial::EStop1);       // 1 start/stop bit
    serial.SetupHandshaking(CSerial::EHandshakeOff); // No handshaking

    char values[30];                            // Buffer for info output
    while(!ctrlc_pressed){
        GetSystemPowerStatus(&power_status);    // Get the power and memory stats
        GlobalMemoryStatusEx(&memory_status);

        sprintf(                            // Load values to the info buffer
            values,
            "Battery: %d%%\nMemory: %d%%",
            power_status.BatteryLifePercent,
            memory_status.dwMemoryLoad
        );
        std::cout << values << std::endl;   // Print the info buffer

        char serialdat[] = {    // Load data for serial, differentiate with MSB
            power_status.BatteryLifePercent | (0 << 7),
            ((char)memory_status.dwMemoryLoad) | (1 << 7),
            '\0'
        };

        #ifdef DEBUG
        std::cout << serialdat << std::endl;
        #endif
        serial.Write(serialdat);

        Sleep(5000);
    }
    serial.Close();
    return 0;
}