#include <QPushButton>
#include <QWidget>
#include <QString>
#include <QLabel>
#include <QLineEdit>
#include <QGridLayout>
#include <QKeyEvent>
#include <QStatusBar>
#include <QComboBox>
#include <QTextEdit>
#include <QFile>
#include <QMessageBox>
#include "FtpWindow.h"
#include "FtpBrowser.h"
FtpWindow::FtpWindow(QWidget *parent):QMainWindow(parent){
	editor=false;
	createLogin();
	setCentralWidget(login);
	ftp=new FtpBrowser(statusBar());
	connect(this, SIGNAL(sendLoginInfo(QString, QString, QString, QString)), ftp,  SLOT(open(QString, QString, QString, QString)));
	connect(ftp, SIGNAL(connected()), this, SLOT(browse()));
}
void FtpWindow::createLogin(){
	static const QString labels[INPUTS]={
		tr("&Server"), 
		tr("&Kasutaja"),
		tr("S&alasõna"),
		tr("Ka&taloog")
	};
	login=new QWidget;
	QGridLayout *l = new QGridLayout;
	for(int i=0;i<INPUTS;i++){
		inputs[i]=new QLineEdit(login);
		inputs[i]->setMinimumWidth(100);
		QLabel *label=new QLabel(labels[i], login);
		label->setBuddy(inputs[i]);
		l->addWidget(label, 1, i*2);
		l->addWidget(inputs[i], 1, i*2+1);
	}
	inputs[2]->setEchoMode(QLineEdit::Password);
	connBut=new QPushButton(tr("&Ühenda"), login);
	l->addWidget(connBut, 2, INPUTS);
	statusBar()->showMessage(tr("Sisesta serveri info"));
	login->setLayout(l);

	connect(connBut, SIGNAL(pressed()), this, SLOT(connectB()));
}
void FtpWindow::createBrowser(){
	browser=new QWidget;
	QGridLayout *l=new QGridLayout;
	fileName=new QLineEdit(browser);
	list=new QComboBox(browser);
	edit=new QTextEdit(browser);
	QPushButton *open=new QPushButton(tr("&Ava"), browser),
		*save=new QPushButton(tr("&Salvesta"), browser),
		*del=new QPushButton(tr("&Kustuta"), browser);
	list->setMinimumWidth(150);
	l->addWidget(fileName, 1, 2);
	l->addWidget(list, 1, 3);
	l->addWidget(open, 1, 4);
	l->addWidget(save, 1, 5);
	l->addWidget(del,  1, 6);
	l->addWidget(edit, 2, 1, 4, 6);
	browser->setLayout(l);
	connect(ftp->getFtp(), SIGNAL(listInfo(const QUrlInfo &)),this, SLOT(addToList(const QUrlInfo &)));
	connect(open, SIGNAL(clicked()), this, SLOT(openB()));
	connect(save, SIGNAL(clicked()), this, SLOT(saveB()));
	connect(del,  SIGNAL(clicked()), this, SLOT(delB()));
	connect(ftp,  SIGNAL(downloaded(QString)), this, SLOT(open(QString)));
	connect(this, SIGNAL(save(QString, QString)), ftp, SLOT(upload(QString, QString)));
	connect(this, SIGNAL(download(QString)), ftp, SLOT(download(QString)));
	connect(this, SIGNAL(remove(QString)), ftp, SLOT(remove(QString)));
	connect(list, SIGNAL(currentIndexChanged(const QString &)), fileName, SLOT(setText(const QString &)));
	connect(ftp, SIGNAL(removeStatus(bool)), this, SLOT(removeStatus(bool)));
}
void FtpWindow::connectB(){
	emit sendLoginInfo(inputs[0]->text(), inputs[1]->text(), inputs[2]->text(), inputs[3]->text());
}
void FtpWindow::saveB(){
	emit save(edit->toPlainText(), fileName->text());
	emit list->clear();
}
void FtpWindow::openB(){
	emit download(fileName->text());
}
void FtpWindow::delB(){
	if (QMessageBox::question(this,
			tr("FTP notepad"),
			tr("Oled kindel et soovid faili kustutada?\n"),
			tr("&Jah"), tr("&Ei"),0,1)==0){
		emit remove(fileName->text());
	}
}
void FtpWindow::browse(){
	editor=true;
	createBrowser();
	setCentralWidget(browser);
}
void FtpWindow::open(QString filename){
	this->file=new QFile(filename);
	file->open(QIODevice::ReadOnly);
	edit->setDocument(new QTextDocument(file->readAll()));
	statusBar()->showMessage(tr("Dokument avatud"));
	file->close();
}
void FtpWindow::keyReleaseEvent(QKeyEvent *event){
	const int k=event->key();
	if (!editor &&(k==Qt::Key_Enter || k==Qt::Key_Return)){
		emit connBut->click();
	} else {
		event->ignore();
	}
}
void FtpWindow::addToList(const QUrlInfo &urlInfo){
	if (!urlInfo.isDir()){
		list->addItem(urlInfo.name(), QVariant(new QUrlInfo(urlInfo)));
	}
}
void FtpWindow::removeStatus(bool state){
	if (state){
		emit list->clear();
		emit ftp->getFtp()->list();
	}
}