#include "krv.h"
#include "ui_krv.h"
#include <windows.h>
#include <stdio.h>
#include <conio.h>

#define MAXMEM 3000

typedef char (*CT_INIT) (USHORT, USHORT);
typedef char (*CT_DATA) (USHORT, UCHAR*, UCHAR*, USHORT, UCHAR*, USHORT*, UCHAR*);
typedef char (*CT_CLOSE) (USHORT);

HINSTANCE hDLL; CT_INIT CT_init; CT_DATA CT_data; CT_CLOSE CT_close;

int load_date()
{

return(0);
}

krv::krv(QWidget *parent)
    : QMainWindow(parent), ui(new Ui::krv)
{
    ui->setupUi(this);
}

krv::~krv()
{
    delete ui;
}

void krv::on_pushButton_clicked()
{
    unsigned char sad, dad;
    unsigned char response [MAXMEM]={0};
    unsigned short int ctn, lenr;
    char res;
    ctn=1;

    hDLL = LoadLibrary(L"ctpcsc32kv.dll");

    CT_init = (CT_INIT)GetProcAddress(hDLL,"CT_init");
    CT_data = (CT_DATA)GetProcAddress(hDLL,"CT_data");
    CT_close = (CT_CLOSE)GetProcAddress(hDLL,"CT_close");
    CT_init(ctn,0);

    lenr=sizeof(MAXMEM);

    unsigned char COMMANDS[3][5] = {0x20, 0x11, 0x00, 0x00, 0x00, //ATR Reset
    0x20, 0x13, 0x00, 0x81, 0x00, //GetStatus
    0x20, 0x12, 0x01, 0x00, 0x00}; // REQUEST_ICC
    unsigned short COMMANDS_LEN[3] = {4, 5, 5};

    sad=2;
    dad=1;

    res=CT_data(ctn,&dad,&sad,COMMANDS_LEN[0], COMMANDS[0],&lenr,response);
    if(res!=0){ui->textEdit->setPlainText("Reset Fail");}

    if (response[lenr - 2] == 0x90 && response[lenr - 1] == 0x00)
    {
        res=CT_data(ctn,&dad,&sad,COMMANDS_LEN[1], COMMANDS[1],&lenr,response);
        if(res!=0){ui->textEdit->setPlainText("GetStatus Fail");}

        res=CT_data(ctn,&dad,&sad,COMMANDS_LEN[2], COMMANDS[2],&lenr,response);
        if(res<2){ui->textEdit->setPlainText("REQUEST_ICC Fail");}
    }else{
        ui->textEdit->setPlainText("Funktioniert");
    }
    ui->textEdit->setPlainText(reinterpret_cast < const char* >(response));

    res=CT_close(ctn);
    FreeLibrary (hDLL);

}