/*
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version
  2 of the License, or (at your option) any later version.
*/

#include <QPushButton>
#include <QTabWidget>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QGridLayout>
#include <QLineEdit>
#include <QLabel>
#include <QComboBox>
#include <QDirModel>
#include <QCompleter>
#include <QApplication>
#include <QSettings>
#include <QRegExp>

#include "configurationdialog.h"

ConfigurationDialog::ConfigurationDialog(QWidget *parent, Qt::WindowFlags f) : QDialog(parent, f){
	//paths tab
	QWidget *pathWidget = new QWidget;
	QGridLayout *pathGrid = new QGridLayout;
	QDirModel *model = new QDirModel(this);
	QCompleter *fsCompleter = new QCompleter(this);
	fsCompleter->setModel(model);
	fsCompleter->setCompletionMode(QCompleter::PopupCompletion);
	QLabel *l1 = new QLabel(tr("Path to &picture viewer"));
	mPictureViewer = new QLineEdit;
	mPictureViewer->setCompleter(fsCompleter);
	l1->setBuddy(mPictureViewer);
	pathGrid->addWidget(l1, 0, 0);
	pathGrid->addWidget(mPictureViewer, 0, 1);
	QLabel *l2 = new QLabel(tr("Arguments for picture viewer"));
	mPictureViewerArgs = new QLineEdit;
	pathGrid->addWidget(l2, 1, 0);
	pathGrid->addWidget(mPictureViewerArgs, 1, 1);
	QLabel *l3 = new QLabel(tr("Path to &movie viewer"));
	mMovieViewer = new QLineEdit;
	mMovieViewer->setCompleter(fsCompleter);
	l2->setBuddy(mMovieViewer);
	pathGrid->addWidget(l3, 2, 0);
	pathGrid->addWidget(mMovieViewer, 2, 1);
	QLabel *l4 = new QLabel(tr("Arguments for movie viewer"));
	mMovieViewerArgs = new QLineEdit;
	pathGrid->addWidget(l4, 3, 0);
	pathGrid->addWidget(mMovieViewerArgs, 3, 1);
	QLabel *l5 = new QLabel(tr("Path to &archive program"));
	mArchiver = new QLineEdit;
	mArchiver->setCompleter(fsCompleter);
	l5->setBuddy(mArchiver);
	pathGrid->addWidget(l5, 4, 0);
	pathGrid->addWidget(mArchiver, 4, 1);
	QLabel *l6 = new QLabel(tr("Arguments for archive program"));
	mArchiverArgs = new QLineEdit;
	l6->setBuddy(mArchiverArgs);
	pathGrid->addWidget(l6, 5, 0);
	pathGrid->addWidget(mArchiverArgs, 5, 1);
	QLabel *l7 = new QLabel(tr("Extraction paths"));
	mArchivePaths = new QComboBox;
	pathGrid->addWidget(l7, 6, 0);
	pathGrid->addWidget(mArchivePaths);
	QLabel *l8 = new QLabel(tr("Enter new &extraction path"));
	mExtractPath = new QLineEdit;
	l8->setBuddy(mExtractPath);
	pathGrid->addWidget(l8, 7, 0);
	pathGrid->addWidget(mExtractPath, 7, 1);
	mAddPath = new QPushButton(tr("Add path"));
	connect(mAddPath, SIGNAL(clicked()), this, SLOT(addPath()));
	mRemovePath = new QPushButton(tr("Remove path"));
	connect(mRemovePath, SIGNAL(clicked()), this, SLOT(removePath()));
	QHBoxLayout *pathButtonLayout = new QHBoxLayout;
	pathButtonLayout->addStretch();
	pathButtonLayout->addWidget(mAddPath);
	pathButtonLayout->addWidget(mRemovePath);
	pathGrid->addLayout(pathButtonLayout, 8, 1);
	pathWidget->setLayout(pathGrid);
	mTab->addTab(pathWidget, tr("Paths"));

	//main layout
	mOk = new QPushButton(tr("Ok"));
	connect(mOk, SIGNAL(clicked()), this, SLOT(accpet()));
	mCancel = new QPushButton(tr("Cancel"));
	connect(mCancel, SIGNAL(clicked()), this, SLOT(reject()));
	QHBoxLayout *mainButtonLayout = new QHBoxLayout;
	mainButtonLayout->addStretch();
	mainButtonLayout->addWidget(mOk);
	mainButtonLayout->addWidget(mCancel);
	QVBoxLayout *mainLayout = new QVBoxLayout;
	mainLayout->addWidget(mTab);
	mainLayout->addLayout(mainButtonLayout);
	setLayout(mainLayout);
	QString winTitle = QString(tr("%1 - Configure")).arg(qApp->applicationName());
	setWindowTitle(winTitle);
	readSettings();
}

void ConfigurationDialog::readSettings(){
	QSettings s;
	mPictureViewer->setText(s.value("paths/pictureviewer", "/usr/bin/gwenview").toString());
	QStringList pvArgs = s.value("paths/pictureviewerargs").toStringList();
	mPictureViewerArgs->setText(pvArgs.join(" "));
	mMovieViewer->setText(s.value("paths/movieviewer", "/usr/bin/mplayer").toString());
	QStringList mvArgs = s.value("paths/movieviewerargs").toStringList();
	mMovieViewerArgs->setText(mvArgs.join(" "));
	mArchiver->setText(s.value("paths/archiver", "/usr/bin/7z").toString());
	QStringList arArgs = s.value("paths/archiveargs").toStringList();
	mArchiverArgs->setText(arArgs.join(" "));
	QStringList extractPaths = s.value("paths/extractpaths").toStringList();
	mArchivePaths->addItems(extractPaths);
	mPaths = extractPaths;
}

void ConfigurationDialog::writeSettings(){
	QSettings s;
	QRegExp splitAt("\\s+");
	s.setValue("paths/pictureviewer", mPictureViewer->text());
	QStringList pvArgs = mPictureViewerArgs->text().split(splitAt, QString::SkipEmptyParts);
	s.setValue("paths/pictureviewerargs", pvArgs);
	s.setValue("paths/movieviewer", mMovieViewer->text());
	QStringList mvArgs = mMovieViewerArgs->text().split(splitAt, QString::SkipEmptyParts);
	s.setValue("paths/movievieverargs", mvArgs);
	s.setValue("paths/archiver", mArchiver->text());
	QStringList aArgs = mArchiverArgs->text().split(splitAt, QString::SkipEmptyParts);
	s.setValue("paths/archiverargs", aArgs);
	s.setValue("paths/extractpaths", mPaths);
}