#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()));

	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();
	loadUsers();
	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;
	}
}