#ifndef GRESB_H
#define GRESB_H

#include <QWidget>
#include <QLabel>
#include <QPushButton>
#include <QSpinBox>
#include <QGridLayout>
#include <QTcpSocket>
#include <QDialog>
#include <QSemaphore>

#include "gresbstatusenquiry.h"
#include "rmapoperations.h"
#include "qipdialogbox.h"
#include "ccsds.h"
#include "tmpackettoread.h"

class gresb : public QWidget
{
    Q_OBJECT
public:
    explicit gresb(QWidget *parent = 0);
    ~gresb();
    unsigned int Write(unsigned int *Value,unsigned int count,unsigned int address=0);
    unsigned int Read(unsigned int *Value,unsigned int count,unsigned int address=0);
    unsigned int WriteSPW(char *Value, unsigned int count, char targetLogicalAddress, char userApplication);

    unsigned int storeCCSDSPacket(unsigned char *ccsdsPacket, unsigned int size);

    gresbStatusEnquiry* spwLinkStatusEnquiry;
    
signals:
    void sendMessage(QString message);
    void sendPacket(TMPacketToRead*);
    void isOpen(bool);
    void RMAP_write_reply_setText(QString);
    void appendToLog(QString);

public slots:
    void Open();
    void Close();
    int receiveSPWPacketLoop(unsigned char requestID=0);
    int receiveSPWPacket(unsigned char requestID=0);
    void commandCodeHasChanged(RMAP_command_codes code) {this->commandCode = code;}
    void targetHasChanged(int target) {rmapTargetLogicalAddress = (unsigned char) target;}
    void sourceHasChanged(int source) {rmapSourceLogicalAddress = (unsigned char) source;}
    void ccsdsPacketIsProcessed() {ccsdsPacketSEMAPHORE->tryAcquire();}
    void reTestSPWLink();
    //
    void RMAPSendConnectionState(QAbstractSocket::SocketState socketState);
    void RMAPReceiveConnectionState(QAbstractSocket::SocketState socketState);
    void GRESBConnectionState(QAbstractSocket::SocketState socketState);
    //
    void setIP(unsigned char address1, unsigned char address2, unsigned char address3, unsigned char address4)
        {this->gresbBridgeIPDialogBox->setIP(address1, address2, address3, address4);}

private slots:
    int GRESBStatusQuery();

private:
    unsigned int WriteBLOCK(char *data,unsigned int nbBytes,unsigned int address=0);
    unsigned int ReadBLOCK(unsigned int nbBytes,unsigned int address=0);
    void acquireRMAPSemaphore() {rmapPacketSEMAPHORE->tryAcquire();}
    void acquireCCSDSSemaphore() {ccsdsPacketSEMAPHORE->tryAcquire();}
    int GRESBStatusQueryRequest(GresbStatusQueryOption option, char link);

    unsigned char rmapTargetLogicalAddress ;
    unsigned char rmapSourceLogicalAddress ;

    RMAP_command_codes commandCode;

    QPushButton *gresbStatusQueryRetryButton;
    QPushButton *gresbStatusQueryAbortButton;

    QLabel *gresbBridgeIPLabel;
    QLabel *gresbVirtualLinkLabel;
    QLabel *spwLinkLabel;
    QLabel *rmapSendStateLabel;
    QLabel *rmapReceiveStateLabel;
    QLabel *gresbStatusQueryLabel;
    QLabel *gresbStatusQueryDialogLabel;

    QDialog *gresbStatusQueryDialog;

    QIPDialogBox* gresbBridgeIPDialogBox;

    QSpinBox *gresbVirtualLinkSpinBox;
    QSpinBox *spwLinkSpinBox;

    QGridLayout *connectionLayout;
    QGridLayout *gresbStatusQueryDialogLayout;

    QTcpSocket *RMAPSend_SOCKET;
    QTcpSocket *RMAPReceive_SOCKET;
    QTcpSocket *GRESBStatusQuery_SOCKET;

    // Packet receiver
    QSemaphore *rmapPacketSEMAPHORE;
    QSemaphore *ccsdsPacketSEMAPHORE;
    char* rmapPacket;      // The buffer to receive RMAP READ packets
    unsigned char *ccsdsPacket;
    char *spwPacket;
    unsigned int rmapPacketSize;
    unsigned int ccsdsPacketSize;
};

#endif // GRESB_H