#include "mainscreen.h"
#include "ui_mainscreen.h"


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

    //this->setFixedSize(this->size()); //main not resizeable


    //Login Tab
    ui->pswdLineEdit->setEchoMode((QLineEdit::Password));

    //Status Bar
    ui->actionEnglish->setChecked(true);
    ui->statusBar->setStyleSheet("QStatusBar::item { border: 0px solid black };");
    ButtomStatusLabel = new QLabel(this);
    statusLabel = new QLabel(this);
    ui->statusBar->setMaximumSize(this->geometry().width(),StatusIconHeight);
    ui->statusBar->addPermanentWidget(ButtomStatusLabel,0);
    ui->statusBar->addPermanentWidget(statusLabel,1);
    setLabelConnectionStatus(jceLogin::jceStatus::JCE_NOT_CONNECTED);

    //Course, Setting, Calendar Tab
    calendarSchedule * calendarSchedulePtr = new calendarSchedule();
    ui->calendarGridLayoutMain->addWidget(calendarSchedulePtr);
    ui->CoursesTab->setDisabled(true);
    ui->avgLCD->setPalette(QPalette(QPalette::WindowText,Qt::blue));



    //Pointer allocating

    this->userLoginSetting = new user("","");
    this->courseTableMgr = new coursesTableManager(ui->coursesTable,userLoginSetting);
    this->loginHandel = new loginHandler(userLoginSetting);
    this->calendar = new CalendarManager(calendarSchedulePtr);
    this->data = new SaveData();

    //check login File
    //SaveData::init(); --> No need. constructor dose everything.
    if (data->isSaved())
    {
        ui->usrnmLineEdit->setText(data->getUsername());
        ui->pswdLineEdit->setText(data->getPassword());
        ui->keepLogin->setChecked(true);
    }

    //Local Check and ui setting.
    if(data->getLocal() == "en")
    {
        ui->actionHebrew->setChecked(false);
        ui->actionOS_Default->setChecked(false);
        ui->actionEnglish->setChecked(true);
    }else if(data->getLocal() == "he"){
        ui->actionHebrew->setChecked(true);
        ui->actionOS_Default->setChecked(false);
        ui->actionEnglish->setChecked(false);
    }else{
        ui->actionHebrew->setChecked(false);
        ui->actionOS_Default->setChecked(true);
        ui->actionEnglish->setChecked(false);
    }

}

MainScreen::~MainScreen()
{
    delete userLoginSetting;
    delete loginHandel;
    delete ui;

    //Delete save data
    delete data;
}
void MainScreen::on_loginButton_clicked()
{
    if (loginHandel->isLoggedInFlag())
        uiSetDisconnectMode();

    else
        uiSetConnectMode();

}
void MainScreen::on_getCalendarBtn_clicked()
{
    int status = 0;
    if (loginHandel->isLoggedInFlag())
    {
        if ((status = loginHandel->makeCalendarRequest(ui->spinBoxYear->value(),ui->spinBoxSemester->value())) == jceLogin::JCE_GRADE_PAGE_PASSED)
        {
            //Use it for debug. add plain text and change the object name to 'plainTextEdit' so you will get the html request
            //ui->plainTextEdit->setPlainText(loginHandel->getCurrentPageContect());
            calendar->resetTable();
            calendar->setCalendar(loginHandel->getCurrentPageContect().toStdString());
        }

        else if (status == jceLogin::JCE_NOT_CONNECTED)
        {
            QMessageBox::critical(this,tr("Error"),tr("Not Connected"));
        }
    }
}

void MainScreen::on_ratesButton_clicked()
{
    std::string pageString;
    int status = 0;
    if (loginHandel->isLoggedInFlag())
    {
        if ((status = loginHandel->makeGradeRequest(ui->spinBoxCoursesFromYear->value(),ui->spinBoxCoursesToYear->value(),ui->spinBoxCoursesFromSemester->value(),ui->spinBoxCoursesToSemester->value())) == jceLogin::JCE_GRADE_PAGE_PASSED)
        {
            pageString = loginHandel->getCurrentPageContect().toStdString();
            courseTableMgr->setCoursesList(pageString);
            courseTableMgr->insertJceCoursesIntoTable();
        }
        else if (status == jceLogin::JCE_NOT_CONNECTED)
        {
            QMessageBox::critical(this,tr("Error"),tr("Not Connected"));
        }
    }



}
void MainScreen::on_checkBoxCoursesInfluence_toggled(bool checked)
{
    this->userLoginSetting->setInfluenceCourseOnly(checked);
    this->courseTableMgr->influnceCourseChanged(checked);
}
void MainScreen::on_spinBoxCoursesFromYear_editingFinished()
{
    if (ui->spinBoxCoursesFromYear->value() > ui->spinBoxCoursesToYear->value())
    {
        ui->spinBoxCoursesFromYear->setValue(ui->spinBoxCoursesToYear->value());
        ui->spinBoxCoursesFromYear->setFocus();
    }

}
void MainScreen::on_spinBoxCoursesToYear_editingFinished()
{
    if (ui->spinBoxCoursesFromYear->value() > ui->spinBoxCoursesToYear->value())
    {
        ui->spinBoxCoursesToYear->setValue(ui->spinBoxCoursesFromYear->value());
        ui->spinBoxCoursesToYear->setFocus();

    }
}
void MainScreen::on_spinBoxCoursesFromSemester_editingFinished()
{
    if (ui->spinBoxCoursesFromYear->value() == ui->spinBoxCoursesToYear->value())
    {
        if (ui->spinBoxCoursesFromSemester->value() > ui->spinBoxCoursesToSemester->value())
        {
            ui->spinBoxCoursesFromSemester->setValue(ui->spinBoxCoursesToSemester->value());
            ui->spinBoxCoursesFromSemester->setFocus();
        }
    }
}
void MainScreen::on_spinBoxCoursesToSemester_editingFinished()
{
    if (ui->spinBoxCoursesFromYear->value() == ui->spinBoxCoursesToYear->value())
    {
        if (ui->spinBoxCoursesFromSemester->value() > ui->spinBoxCoursesToSemester->value())
        {
            ui->spinBoxCoursesToSemester->setValue(ui->spinBoxCoursesFromSemester->value());
            ui->spinBoxCoursesToSemester->setFocus();
        }
    }
}

void MainScreen::on_coursesTable_itemChanged(QTableWidgetItem *item)
{
    if (this->courseTableMgr->changes(item->text(),item->row(),item->column()))
        ui->avgLCD->display(courseTableMgr->getAvg());
    else
        QMessageBox::critical(this,"Error","Missmatching data");
}

void MainScreen::on_usrnmLineEdit_editingFinished()
{
    ui->usrnmLineEdit->setText(ui->usrnmLineEdit->text().toLower());
}
void MainScreen::uiSetDisconnectMode()
{
    setLabelConnectionStatus(jceLogin::jceStatus::JCE_NOT_CONNECTED);
    ui->usrnmLineEdit->setText("");
    ui->pswdLineEdit->setText("");
    ui->usrnmLineEdit->setEnabled(true);
    ui->pswdLineEdit->setEnabled(true);

    loginHandel->makeDisconnectionRequest();
    ui->loginButton->setText("&Login");
    ui->getCalendarBtn->setDisabled(true);
    ui->exportToCVSBtn->setDisabled(true);
    ui->ratesButton->setDisabled(true);
    return;
}

void MainScreen::uiSetConnectMode() //fix before distrbute
{
    string username;
    string password;
    if ((ui->usrnmLineEdit->text().isEmpty()) || (ui->pswdLineEdit->text().isEmpty()))
    {
        //add icon near to username and password to mark it
        return;
    }
    setLabelConnectionStatus(jceLogin::jceStatus::JCE_START_VALIDATING_PROGRESS);

    username = ui->usrnmLineEdit->text().toStdString();
    password = ui->pswdLineEdit->text().toStdString();

    ui->usrnmLineEdit->setDisabled(true);
    ui->pswdLineEdit->setDisabled(true);

    userLoginSetting->setUsername(username);
    userLoginSetting->setPassword(password);

    this->loginHandel->setPointers(statusLabel,ui->pswdLineEdit,ui->usrnmLineEdit);
    if (loginHandel->makeConnection() == true)
    {
        setLabelConnectionStatus(jceLogin::jceStatus::JCE_YOU_ARE_IN);
        ui->loginButton->setText("&Logout");
        ui->ratesButton->setEnabled(true);
        ui->CoursesTab->setEnabled(true);
        ui->exportToCVSBtn->setEnabled(true);
        ui->getCalendarBtn->setEnabled(true);

    }
    else
    {
        uiSetDisconnectMode();
    }
}
void MainScreen::setLabelConnectionStatus(jceLogin::jceStatus statusDescription)
{
    QPixmap iconPix;
    switch (statusDescription)
    {

    case jceLogin::jceStatus::JCE_START_VALIDATING_PROGRESS:
        iconPix.load(":/icons/blueStatusIcon.png");
        statusLabel->setText(tr("Connecting"));
        break;
    case jceLogin::jceStatus::JCE_YOU_ARE_IN:
        iconPix.load(":/icons/greenStatusIcon.png");
        statusLabel->setText(tr("Connected"));
        break;
    default:
        iconPix.load(":/icons/redStatusIcon.png");
        statusLabel->setText(tr("Disconnected"));
        break;
    }
    ButtomStatusLabel->setPixmap(iconPix);

    this->repaint();
}

void MainScreen::showMSG(QString msg)
{
    QMessageBox msgBox;
    msgBox.setText(msg);
    msgBox.exec();
}
void MainScreen::on_actionCredits_triggered()
{
    QMessageBox::about(this, "About", tr("CREDITS-ROOL-UP1")  + " v1.0<br><br>"
                       + tr("CREDITS-ROOL-UP2")+"<br>GNU LESSER GENERAL PUBLIC LICENSE V2<br>"
                       + tr("CREDITS-ROOL-UP3")+"<br>"
                       "<a href='https://github.com/liranbg/jceAverageCalculator'>jceAverageCalculator Repository</a>"
                       "<br><br>"+tr("CREDITS-ROOL-UP4")+"<a href='https://github.com/liranbg/jceConnection'> Jce Connection</a><br><br>"
                       +tr("DevBy")+":"
                       "<ul>"
                       "<li><a href='mailto:liranbg@gmail.com'>"+tr("Liran")+"</a></li>"
                       "<li><a href='mailto:sagidayan@gmail.com'>"+tr("Sagi")+"</a></li>"
                       "</ul>");
}

void MainScreen::on_clearTableButton_clicked()
{

    courseTableMgr->clearTable();
    ui->avgLCD->display(courseTableMgr->getAvg());
}

void MainScreen::on_actionExit_triggered()
{
    exit(0);
}


void MainScreen::on_keepLogin_clicked()
{
    if (ui->keepLogin->isChecked())
    {
        data->setUsername(ui->usrnmLineEdit->text());
        data->setPassword(ui->pswdLineEdit->text());
    }
    else
        data->reset();
}

void MainScreen::on_actionHow_To_triggered()
{
    QMessageBox::information(this,"How To",
                             "<b>How To..</b>"
                             "<ul>"
                             "<br><li>"+tr("HELP1")+"</li>"
                             "<br><li>"+tr("HELP2")+"</li>"
                             "<br><li>"+tr("HELP3")+"</li>"
                             "<br><li>"+tr("HELP4")+"</li>"
                             "<br><li>"+tr("HELP5")+"</li>"
                             "<br><br>"+tr("HELP6")+
                             "</ul>");

}

//void MainScreen::on_pushButton_2_clicked()
//{
//    if(CSV_Exporter::exportCalendar(this->calendar->getSch()))
//    {
//        QMessageBox msgBox;
//        msgBox.setText("<center>Exported Successfuly!<br><b>HaazZaA!!");
//        msgBox.exec();
//    }else
//    {
//        QMessageBox msgBox;
//        msgBox.setIcon(QMessageBox::Critical);
//        msgBox.setText("<center>Something went wrong...<br></center>Maybe: <ul><li>You Canceled</li><li>Unable to save the File - try again</li></ul><br><br>"
//                       "<b><center>In case of a serious problem, please file a bug report.<br>thank you. OpenJCE teem");
//        msgBox.exec();
//    }
//}

void MainScreen::on_exportToCVSBtn_clicked()
{
    if (loginHandel->isLoggedInFlag())
    {
        CalendarDialog calDialog;
        int buttonClicked = calDialog.exec();
        if(buttonClicked == 0)
            return;
//calDialog.getStartDate(),calDialog.getEndDate()
        this->calendar->exportCalendarCSV();
    }
}

void MainScreen::on_actionHebrew_triggered()
{
    if (ui->actionEnglish->isChecked() || ui->actionOS_Default->isChecked())
    {
        ui->actionEnglish->setChecked(false);
        ui->actionOS_Default->setChecked(false);
        qDebug() << "Changed Language to hebrew";
        data->setLocal("he");
        showMSG("ההגדרות שלך יכנסו לתוקף בהפעלה הבאה של התוכנית");
    }
    else
        ui->actionHebrew->setChecked(true);
}

void MainScreen::on_actionEnglish_triggered()
{
    if (ui->actionHebrew->isChecked() || ui->actionOS_Default->isChecked())
    {
        ui->actionHebrew->setChecked(false);
        ui->actionOS_Default->setChecked(false);
        qDebug() << "Changed Language to English";
        data->setLocal("en");
        showMSG("Your settings will take effect next time you start the program");
    }
    else
        ui->actionEnglish->setChecked(true);
}


void MainScreen::on_actionOS_Default_triggered()
{
    if (ui->actionHebrew->isChecked() || ui->actionEnglish->isChecked())
    {
        ui->actionHebrew->setChecked(false);
        ui->actionEnglish->setChecked(false);
        qDebug() << "Changed Language to OS Default";
        data->setLocal("default");
        showMSG("Your settings will take effect next time you start the program");
    }
    else
        ui->actionOS_Default->setChecked(true);
}