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#include "loginscreen.h"
#include "ui_loginscreen.h"
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LoginScreen::LoginScreen(Socket* s, QWidget *parent) :
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QDialog(parent),
ui(new Ui::LoginScreen)
{
ui->setupUi(this);
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ui->nickEdit->setPlaceholderText("Nickname");
ui->serverURLEdit->setPlaceholderText("Server hostname:port");
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ui->label->setStyleSheet("QLabel { color : red}");
ui->label->setVisible(false);
this->s = s;
connect(ui->connectButton,SIGNAL(clicked()),this,SLOT(connectToChat()));
connect(ui->cancelButton,SIGNAL(clicked()),this,SLOT(cancelLogin()));
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}
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bool LoginScreen::validateURL(QString& URL)
{
QRegExp regex("([a-zA-Z.]+|((\\d{1,3}\\.){3}\\d{1,3})):\\d+");
return regex.exactMatch(URL);
}
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bool LoginScreen::parseURL(QString& URL)
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{
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if(validateURL(URL))
{
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ui->label->setVisible(false);
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QStringList strings = URL.split(':');
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host = strings[0];
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port = strings[1].toInt();
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return true;
}
else
{
ui->label->setVisible(true);
return false;
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}
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}
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void LoginScreen::connectToChat()
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{
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QString nick;
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string response;
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QString URL = ui->serverURLEdit->text();
if(parseURL(URL))
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{
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nick = ui->nickEdit->text();
try
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{
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s->Create();
s->Connect(host.toStdString(),port);
(*s) << nick.toStdString();
(*s) >> response;
if(response == "CHATNICKINVALID")
{
ui->label->setText("Spaces not allowed in nicknames, please enter another nickname");
}
else if(response == "CHATNICKEXIST")
{
ui->label->setText("Nickname in use, please enter another nickname");
}
else if(response == "CHATFULL")
{
ui->label->setText("Chatroom is full, please wait...");
}
else if(response != "CHATOK")
{
ui->label->setText("Error: " + QString::fromStdString(response));
}
else
{
((Chatroom*)this->parent())->setNickname(nick);
this->accept();
return;
}
ui->label->setVisible(true);
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}
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catch(SocketException& e)
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{
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cout << e.description() << endl;
QString exception = QString::fromStdString(e.description());
ui->label->setText(exception);
ui->label->setVisible(true);
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}
}
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}
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void LoginScreen::cancelLogin()
{
this->reject();
}
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LoginScreen::~LoginScreen()
{
delete ui;
}
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