#include "widget.h"
#include "ui_widget.h"
#include <QShortcut>

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

	QShortcut* quit = new QShortcut(QKeySequence("Ctrl+Q"), this);
	connect(quit, SIGNAL(activated()), qApp, SLOT(quit()));


    /*EpiUser usr;
    usr.setLogin("azerty_u");
    usr.setPwd_ppp("psswd");
    Epimafia::saveUser(usr);
    usr.setLogin("");
    usr.setPwd_ppp("ppp");
    Epimafia::saveUser(usr);
    usr.setLogin("login_x");
    Epimafia::saveUser(usr);*/

    m_currentUser = 0;

    foreach(QLineEdit* line, findChildren<QLineEdit*>())
        connect(line, SIGNAL(returnPressed()), this, SLOT(search()));
    m_intra = new IntraBocal(this);
    connect(m_intra, SIGNAL(error(IntraBocal::Error)), this, SLOT(intraError(IntraBocal::Error)));
    connect(m_intra, SIGNAL(logged()), this, SLOT(intraLogged()));
    connect(m_intra, SIGNAL(searchFinished(QList<QList<QString> >)), this, SLOT(intraSearchFinished(QList<QList<QString> >)));
    foreach(City city, IntraBocal::getCities())
        ui->comboBox->addItem(city.second, city.first);

    loadUsers();

    QStringList args = qApp->arguments();
    for(int i = 1; i < args.size() - 1; ++i)
    {
        QString arg = args.at(i);
        if(arg == "-firstName")
            ui->lineFirstName->setText(args.at(++i));
        else if(arg == "-lastName")
            ui->lineLastName->setText(args.at(++i));
        else if(arg == "-login")
            ui->lineLogin->setText(args.at(++i));
        else if(arg == "-promo")
            ui->linePromo->setText(args.at(++i));
        else if(arg == "-school")
            ui->lineSchool->setText(args.at(++i));
    }
    if(!ui->lineFirstName->text().isEmpty() || !ui->lineLastName->text().isEmpty() || !ui->lineLogin->text().isEmpty() || !ui->linePromo->text().isEmpty() || !ui->lineSchool->text().isEmpty())
        search();

}

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

void Widget::paintEvent(QPaintEvent *)
{
    resizeToMin();
}

void Widget::search(bool badLogin)
{
    if(m_users.isEmpty())
    {
        askStartUsrMgr();
        return;
    }
    if(badLogin)
        ui->labelStatus->setText("Bad Loggin. Trying Another...");
    else
        ui->labelStatus->setText("Logging in...");
    EpiUser usr = m_users.at(m_currentUser);
    m_intra->login(usr.getLogin(), usr.getPwd_ppp());
    clearLayout(ui->gridLayout);
}

void Widget::loadUsers()
{
    m_users = Epimafia::loadUsers();
    for(int i = 0; i < m_users.size(); ++i)
    {
        EpiUser usr = m_users.at(i);
        if(!usr.hasLogin() || usr.isUnknown() || !usr.hasPwd_ppp())
            m_users.removeAt(i--);
    }
    m_currentUser = 0;
}

void Widget::askStartUsrMgr()
{
    QMessageBox* msg = new QMessageBox(this);
    msg->setIcon(QMessageBox::Question);
    msg->setWindowTitle("No logins found");
    msg->setText("No logins with ppp are available.\nDo you want to open User Manager to create one?");
    connect(msg->addButton(QMessageBox::Yes), SIGNAL(clicked()), this, SLOT(startUsrMgr()));
    connect(msg->addButton(QMessageBox::No), SIGNAL(clicked()), this, SLOT(loadUsers()));
    msg->show();
}

void Widget::startUsrMgr()
{
    QProcess* p = new QProcess(this);
    connect(p, SIGNAL(finished(int)), this, SLOT(processFinished(int)));
	QString exe;
#ifdef Q_OS_WIN
exe = "usermgr.exe";
#else
	#ifdef Q_OS_LINUX
	exe = "usermgr";
	#else
	#error "OS specific"
	#endif
#endif
	p->start(exe);
}

void Widget::intraError(IntraBocal::Error e)
{
    if(e == IntraBocal::BadLogin)
    {
        ui->labelStatus->setText("#BadLogin#");
        ++m_currentUser;
        if(m_currentUser < m_users.size())
            search(true);
        else
            askStartUsrMgr();
    }
    else if(e == IntraBocal::NetworkError)
        ui->labelStatus->setText("#NetworkError#");
    else if(e == IntraBocal::ParseError)
        ui->labelStatus->setText("#ParseError#");
    else if(e == IntraBocal::SslError)
        ui->labelStatus->setText("#SslError#");
}

void Widget::intraLogged()
{
    ui->labelStatus->setText("Logged in. Searching...");
    m_intra->searchUser(ui->lineLastName->text(), ui->lineFirstName->text(), ui->lineLogin->text(), ui->linePromo->text(),
                        ui->lineSchool->text(), ui->comboBox->itemData(ui->comboBox->currentIndex()).toString());
}

void Widget::intraSearchFinished(QList<QList<QString> > users)
{
    if(users.isEmpty())
    {
        ui->labelStatus->setText("No results");
        return;
    }
    QList<QString> header = users.at(0);
    for(int c = 0; c < header.size(); ++c)
    {
        QLabel* lbl = new QLabel();
        QFont f = lbl->font();
        f.setBold(true);
        lbl->setFont(f);
        lbl->setText(header.at(c));
        ui->gridLayout->addWidget(lbl, 0, c);
    }
    for(int i = 1; i < users.size(); ++i)
    {
        QList<QString> user = users.at(i);
        for(int c = 0; c < user.size(); ++c)
        {
            QLabel* lbl = new QLabel();
            lbl->setText(user.at(c));
            ui->gridLayout->addWidget(lbl, i, c);
        }
    }
    ui->labelStatus->setText("idle");
}

void Widget::resizeToMin()
{
    resize(minimumSizeHint());
    setFixedSize(size());
}

void Widget::processFinished(int)
{
    sender()->deleteLater();
    search();
}

void Widget::clearLayout(QLayout *layout)
{
    QLayoutItem *item;
    while((item = layout->takeAt(0))) {
        if (item->layout()) {
            clearLayout(item->layout());
            delete item->layout();
        }
        if (item->widget()) {
            delete item->widget();
        }
        delete item;
    }
}