/*
  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 <QVBoxLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QTreeView>
#include <QPushButton>
#include <QSettings>
#include <QColor>
#include <QVariant>
#include <QPalette>
#include <QTabWidget>

#include "filepropertiesdialog.h"
#include "seriesmetadatamodel.h"
#include "smtreemodel.h"
#include "smtreeitem.h"
#include "helper.h"

FilePropertiesDialog::FilePropertiesDialog(int seriesPartId, QWidget *parent, Qt::WindowFlags f) : SmDialog(parent, f){
	//tab
	mTab = new QTabWidget;

	//stream data widget
	QVBoxLayout *streamDataLayout = new QVBoxLayout;
	QWidget *streamData = new QWidget;

	//description
	mDescriptionLabel = new QLabel(tr("Properties for [none]"));
	mDescriptionLabel->setAutoFillBackground(true);
	mDescriptionLabel->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
	streamDataLayout->addWidget(mDescriptionLabel);
	QSettings s;
	QVariant varColor = s.value("ui/alternatecolor");
	QColor labelColor = varColor.value<QColor>();
	QPalette labelPalette = mDescriptionLabel->palette();
	labelPalette.setColor(QPalette::Window, labelColor);
	mDescriptionLabel->setPalette(labelPalette);

	//the view + model
	mModel = new SmTreeModel((QStringList() << QString() << QString()), this);
	mView = new QTreeView;
	mView->setHeaderHidden(true);
	mView->setAlternatingRowColors(true);
	mView->setEditTriggers(QAbstractItemView::NoEditTriggers);
	mView->setModel(mModel);
	streamDataLayout->addWidget(mView);
	streamData->setLayout(streamDataLayout);
	mTab->addTab(streamData, tr("Stream data"));

	//metadata widget
	mMetadata = new MetadataWidget;
	mMetadata->setSeriesPartId(seriesPartId);
	mTab->addTab(mMetadata, tr("Metadata"));

	//buttons
	QHBoxLayout *buttonLayout = new QHBoxLayout;
	mOk = new QPushButton(tr("Ok"));
	connect(mOk, SIGNAL(clicked()), this, SLOT(accept()));
	connect(mOk, SIGNAL(clicked()), mMetadata, SLOT(accept()));
	mCancel = new QPushButton(tr("Cancel"));
	connect(mCancel, SIGNAL(clicked()), this, SLOT(reject()));
	buttonLayout->setAlignment(Qt::AlignRight);
	buttonLayout->addWidget(mOk);
	buttonLayout->addWidget(mCancel);

	//main layout
	QVBoxLayout *mainLayout = new QVBoxLayout;
	mainLayout->addWidget(mTab);
	mainLayout->addLayout(buttonLayout);
	setLayout(mainLayout);
	setMinimumWidth(450);
}

void FilePropertiesDialog::setFileName(const QString &fileName){
	QString text = QString(tr("Properties for %1")).arg(fileName);
	mDescriptionLabel->setText(text);
	setWindowTitle(text);
}

void FilePropertiesDialog::setStreamData(const QList<QMap<QString, QString> > &streamData){
	SmTreeItem *root = new SmTreeItem(2);
	for(int i = 0; i < streamData.size(); ++i){
		QList<QVariant> titleData;
		QString title = QString(tr("Stream %1")).arg(QString::number(i));
		titleData << title << QVariant();
		SmTreeItem *titleItem = new SmTreeItem(titleData, root);
		root->appendChild(titleItem);
		QMap<QString, QString>::const_iterator it = streamData.at(i).constBegin();
		while(it != streamData.at(i).constEnd()){
			QList<QVariant> itemData;
			if(it.key() == "duration" && it.value() != "N/A"){
				qint64 duration = it.value().toFloat();
				itemData << it.key() << Helper::durationFromSecs(duration);
			}else{
				itemData << it.key() << it.value();
			}
			SmTreeItem *item = new SmTreeItem(itemData, titleItem);
			titleItem->appendChild(item);
			++it;
		}
	}
	mModel->setRoot(root);
	mView->expandAll();
	mView->resizeColumnToContents(0);
	mView->resizeColumnToContents(1);
}

void FilePropertiesDialog::addData(const QString &caption, const QMap<QString, QString> &data){
	SmTreeItem *root = new SmTreeItem(*mModel->root());
	QList<QVariant> titleData;
	titleData << caption << QVariant();
	SmTreeItem *titleItem = new SmTreeItem(titleData, root);
	root->appendChild(titleItem);
	QMap<QString, QString>::const_iterator it = data.constBegin();
	while(it != data.constEnd()){
		QList<QVariant> itemData;
		itemData << it.key() << it.value();
		SmTreeItem *item = new SmTreeItem(itemData, titleItem);
		titleItem->appendChild(item);
		++it;
	}
	mModel->setRoot(root);
	mView->expandAll();
	mView->resizeColumnToContents(0);
	mView->resizeColumnToContents(1);
}