#include "ProgramSettingsPage.h"
#include "ui_ProgramSettingsPage.h"

#include "CANDevice.h"
//#include "CANMessage.h"
//#include "CANSignal.h"
//#include "PCANBasic.h"


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

    mDevicesList = 0;

    ui->mDBSignalDetailsTable->setColumnCount(10);
    ui->mDBSignalDetailsTable->setHorizontalHeaderLabels(QStringList() << "Signal" << "Bit No" << "Length" << "Type" << "Max Val" << "Min Val" << "Offset" << "Scale factor" << "Unit" << "Byte order");



    ui->mCANBaudrateComboBx->clear();
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_1M",QVariant(PCAN_BAUD_1M));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_800K",QVariant(PCAN_BAUD_800K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_500K",QVariant(PCAN_BAUD_500K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_250K",QVariant(PCAN_BAUD_250K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_125K",QVariant(PCAN_BAUD_125K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_100K",QVariant(PCAN_BAUD_100K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_95K",QVariant(PCAN_BAUD_95K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_83K",QVariant(PCAN_BAUD_83K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_50K",QVariant(PCAN_BAUD_50K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_47K",QVariant(PCAN_BAUD_47K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_33K",QVariant(PCAN_BAUD_33K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_20K",QVariant(PCAN_BAUD_20K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_10K",QVariant(PCAN_BAUD_10K));
    ui->mCANBaudrateComboBx->addItem("PCAN_BAUD_5K",QVariant(PCAN_BAUD_5K));


    ui->mCANIDComboBx->addItem("PCAN_USBBUS1",QVariant(PCAN_USBBUS1));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS2",QVariant(PCAN_USBBUS2));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS3",QVariant(PCAN_USBBUS3));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS4",QVariant(PCAN_USBBUS4));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS5",QVariant(PCAN_USBBUS5));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS6",QVariant(PCAN_USBBUS6));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS7",QVariant(PCAN_USBBUS7));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS8",QVariant(PCAN_USBBUS8));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS9",QVariant(PCAN_USBBUS9));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS10",QVariant(PCAN_USBBUS10));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS11",QVariant(PCAN_USBBUS11));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS12",QVariant(PCAN_USBBUS12));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS13",QVariant(PCAN_USBBUS13));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS14",QVariant(PCAN_USBBUS14));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS15",QVariant(PCAN_USBBUS15));
    ui->mCANIDComboBx->addItem("PCAN_USBBUS16",QVariant(PCAN_USBBUS16));


    ui->mDeviceDescriptionTxtEdit->setEnabled(false);
    ui->mDatabaseFileSelectBtn->hide();
    ui->mCANBaudrateComboBx->setEnabled(false);
    ui->mCANIDComboBx->setEnabled(false);

    connect(ui->mDevicesList,&QListWidget::itemSelectionChanged,this,&CProgramSettingsPage::DeviceSelectionChanged);
    connect(ui->mDBMessagesListWidget,&QListWidget::itemSelectionChanged,this,&CProgramSettingsPage::MessageSelectionChanged);
    connect(ui->mModifyDevParamsBtn,&QPushButton::clicked,this,&CProgramSettingsPage::ModifyDeviceBtnPressed);
//    connect(ui->mDBSignalDetailsTable,&QTableWidget::itemSelectionChanged,this,&CProgramSettingsPage::SignalSelectionChanged);

}

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

int CProgramSettingsPage::SetDevicesList(QList<CCANDevice *> *DevicesList)
{
    if(DevicesList == 0)
    {
        return RET_GENERAL_ERROR;
    }

    mDevicesList = DevicesList;

    if(mDevicesList == 0)
    {
        return RET_GENERAL_ERROR;
    }

    ui->mDevicesList->clear();
    for(int i = 0; i < mDevicesList->size(); i++)
    {
        QString name = mDevicesList->at(i)->mDeviceName;
        if(name.isEmpty())
        {
            name = QString("Device %1").arg(i+1);
        }
        ui->mDevicesList->addItem(name);
    }
    ui->mDevicesList->setCurrentRow(0);



    return RET_OK;
}

int CProgramSettingsPage::ClearDatabaseData()
{
    ui->mDBMessagesListWidget->clear();
    return RET_OK;
}

int CProgramSettingsPage::UpdatePage()
{
    int index = ui->mDevicesList->currentRow();

    if(index < 0 || index >= mDevicesList->size())
    {
        return RET_GENERAL_ERROR;
    }

    CCANDevice *Device = mDevicesList->at(index);


    if(Device != 0)
    {
        //update device information
        ui->mCANBaudrateComboBx->setCurrentIndex(ui->mCANBaudrateComboBx->findData(Device->mCANDeviceBaudrate));
        ui->mCANIDComboBx->setCurrentIndex(ui->mCANIDComboBx->findData(Device->mCANDeviceID));
        ui->mDeviceDescriptionTxtEdit->setPlainText(Device->mDeviceDescription);
        ui->mDatabaseFileNameLbl->setText(QString("Database: %1").arg(Device->mCANDeviceDatabaseFilename));

        //update device database information
         ui->mDBMessagesListWidget->clear();
         ui->mDBSignalDetailsTable->clearContents();
         ui->mDBSignalDetailsTable->setRowCount(0);
        if(Device->mMessageList.isEmpty())
        {
            ui->mDBMessagesListWidget->insertItem(0,"Aucun message");
            ui->mDBMessageIDLbl->setText("Message ID: ");
            ui->mDBMessageLengthLbl->setText("Message Length: ");
            ui->mDBMessageNameLbl->setText("Message Name: ");
            ui->mDBMessageNbSignalsLbl->setText("Number of signals: ");
        }
        else
        {
            ui->mDBMessagesListWidget->clear();
            for(int msg = 0; msg < Device->mMessageList.size(); msg++)
            {
                ui->mDBMessagesListWidget->insertItem(msg,Device->mMessageList.at(msg)->mCANMsgName);
            }

            ui->mDBMessagesListWidget->setCurrentRow(0);
        }
    }




}

int CProgramSettingsPage::UpdateMessageInformation()
{
    int index = ui->mDevicesList->currentRow();

    if(index < 0 || index >= mDevicesList->size())
    {
        return RET_GENERAL_ERROR;
    }

    CCANDevice *Device = mDevicesList->at(index);


    if(Device != 0)
    {
        int MsgIndex = ui->mDBMessagesListWidget->currentRow();

        if(MsgIndex < 0 || MsgIndex >= Device->mMessageList.size())
        {
            return RET_GENERAL_ERROR;
        }

        CCANMessage *Message = Device->mMessageList.at(MsgIndex);

        ui->mDBMessageIDLbl->setText(QString("Message ID: 0x%1").arg(Message->mCANMsgID,0,16));
        ui->mDBMessageLengthLbl->setText(QString("Message Length: %1").arg(Message->mCANMsgLength));
        ui->mDBMessageNameLbl->setText(QString("Message Name: %1").arg(Message->mCANMsgName));
        ui->mDBMessageNbSignalsLbl->setText(QString("Number of signals: %1").arg(Message->mSignalsList.size()));

        ui->mDBSignalDetailsTable->clearContents();
        ui->mDBSignalDetailsTable->setRowCount(0);

         ui->mDBSignalDetailsTable->setRowCount(Message->mSignalsList.size());
        for(int Sig = 0; Sig < Message->mSignalsList.size(); Sig++)
        {
           CCANSignal *Signal = Message->mSignalsList.at(Sig);
           QTableWidgetItem *NewItem;

           //Signal name
           NewItem = new QTableWidgetItem(Signal->mSignalName);
           ui->mDBSignalDetailsTable->setItem(Sig,0,NewItem);

           //Bit No
           NewItem = new QTableWidgetItem(QString("%1").arg(Signal->mStartBit));
           ui->mDBSignalDetailsTable->setItem(Sig,1,NewItem);

           //Length
           NewItem = new QTableWidgetItem(QString("%1").arg(Signal->mSignalSize));
           ui->mDBSignalDetailsTable->setItem(Sig,2,NewItem);

           //Type
           NewItem = new QTableWidgetItem(QString("%1").arg(Signal->mValueType));
           ui->mDBSignalDetailsTable->setItem(Sig,3,NewItem);

           //Max Val
          NewItem = new QTableWidgetItem(QString("%1").arg(Signal->mMaxValue,0,'f',1));
           ui->mDBSignalDetailsTable->setItem(Sig,4,NewItem);

           //Min Val
           NewItem = new QTableWidgetItem(QString("%1").arg(Signal->mMinValue,0,'f',1));
           ui->mDBSignalDetailsTable->setItem(Sig,5,NewItem);

           //Offset
           NewItem = new QTableWidgetItem(QString("%1").arg(Signal->mValueOffset));
           ui->mDBSignalDetailsTable->setItem(Sig,6,NewItem);

           //Scale Factor
           NewItem = new QTableWidgetItem(QString("%1").arg(Signal->mValueFactor,0,'f',1));
           ui->mDBSignalDetailsTable->setItem(Sig,7,NewItem);

           //Unit
           NewItem = new QTableWidgetItem(Signal->mSignalUnit);
           ui->mDBSignalDetailsTable->setItem(Sig,8,NewItem);

           //Endian
           NewItem = new QTableWidgetItem(QString("%1").arg(Signal->mValueType));
           ui->mDBSignalDetailsTable->setItem(Sig,9,NewItem);

        }
        ui->mDBSignalDetailsTable->resizeColumnsToContents();
    }
}

void CProgramSettingsPage::DeviceSelectionChanged()
{
    UpdatePage();
}

void CProgramSettingsPage::SignalSelectionChanged()
{

}

void CProgramSettingsPage::MessageSelectionChanged()
{
    UpdateMessageInformation();
}

void CProgramSettingsPage::ModifyDeviceBtnPressed()
{
    if(mDeviceChangeModeEnabled)
    {
        ui->mDeviceDescriptionTxtEdit->setEnabled(false);
        ui->mDatabaseFileSelectBtn->hide();
        ui->mCANBaudrateComboBx->setEnabled(false);
        ui->mCANIDComboBx->setEnabled(false);
        ui->mDevicesList->setEnabled(true);
        ui->mModifyDevParamsBtn->setText("Modifier");
        mDeviceChangeModeEnabled = false;
    }
    else
    {
        ui->mDeviceDescriptionTxtEdit->setEnabled(true);
        ui->mDatabaseFileSelectBtn->show();
        ui->mCANBaudrateComboBx->setEnabled(true);
        ui->mCANIDComboBx->setEnabled(true);
        ui->mDevicesList->setEnabled(false);
        ui->mModifyDevParamsBtn->setText("Sauvegarder");
        mDeviceChangeModeEnabled = true;
    }
}