/*
  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 <QHBoxLayout>
#include <QVBoxLayout>
#include <QGraphicsView>
#include <QGraphicsScene>
#include <QPushButton>
#include <QLabel>
#include <QSqlQuery>
#include <QFileInfo>
#include <QFont>
#include <QApplication>
#include <QGridLayout>
#include <QLocale>
#include <QGraphicsTextItem>
#include <QGraphicsPixmapItem>
#include <QPixmap>
#include <QTreeView>

#include "moviepropertiesdialog.h"
#include "actormodel.h"
#include "helper.h"

MoviePropertiesDialog::MoviePropertiesDialog(int movid, QWidget *parent, Qt::WindowFlags f) : QDialog(parent, f), mId(movid), mIndex(-1){
	//gather data
	covers();
	QSqlQuery q1;
	q1.prepare("SELECT ttitle, tfilename, cmd5sum, bisize, genre.tgenrename, iquality, idvd FROM movies, genre WHERE movies.igenreid = genre.igenreid AND movies.imovid = :id");
	q1.bindValue(":id", mId);
	q1.exec();
	QString title, filename, md5, genre;
	quint64 size(0);
	qint32 quality, dvd;
	quality = dvd = 0;
	q1.exec();
	while(q1.next()){
		title = q1.value(0).toString();
		filename = q1.value(1).toString();
		md5 = q1.value(2).toString();
		genre = q1.value(4).toString();
		size = q1.value(3).toLongLong();
		quality = q1.value(5).toInt();
		dvd = q1.value(6).toInt();
	}
	//QStringList actors;
	mActorModel = new ActorModel;
	QSqlQuery q2;
	q2.prepare("SELECT tactorname FROM actor, movieactormap WHERE movieactormap.iactorid = actor.iactorid AND movieactormap.imovid = :id");
	q2.bindValue(":id", mId);
	q2.exec();
	while(q2.next()){
		//actors << q2.value(0).toString();
		mActorModel->addItem(q2.value(0));
	}
	//layout
	QVBoxLayout *mainLayout = new QVBoxLayout;
	mView = new QGraphicsView;
	mScene = new QGraphicsScene(this);
	mView->setScene(mScene);
	mainLayout->addWidget(mView);

	//cover buttons
	QHBoxLayout *buttonPicLayout = new QHBoxLayout;
	mPrev = new QPushButton(tr("Previous"));
	connect(mPrev, SIGNAL(clicked()), this, SLOT(previousCover()));
	mNext = new QPushButton(tr("Next"));
	connect(mNext, SIGNAL(clicked()), this, SLOT(nextCover()));
	buttonPicLayout->addWidget(mPrev);
	buttonPicLayout->addStretch();
	buttonPicLayout->addWidget(mNext);
	mainLayout->addLayout(buttonPicLayout);

	//actors
	mActors = new QTreeView;
	mActors->setRootIsDecorated(false);
	mActors->setHeaderHidden(true);
	mActors->setModel(mActorModel);

	//properties
	QGridLayout *propertiesGrid = new QGridLayout;
	QFont font = qApp->font();
	font.setWeight(QFont::Bold);
	QLabel *l1 = new QLabel("Genre");
	l1->setFont(font);
	QLabel *l2 = new QLabel(genre);
	propertiesGrid->addWidget(l1, 0, 0);
	propertiesGrid->addWidget(l2, 0, 1);
	QLabel *l3 = new QLabel(tr("Title"));
	l3->setFont(font);
	QLabel *l4 = new QLabel(title);
	propertiesGrid->addWidget(l3, 1, 0);
	propertiesGrid->addWidget(l4, 1, 1);
	QLabel *l5 = new QLabel(tr("Filename"));
	l5->setFont(font);
	QLabel *l6 = new QLabel(filename);
	propertiesGrid->addWidget(l5, 2, 0);
	propertiesGrid->addWidget(l6, 2, 1);
	QLabel *l7 = new QLabel(tr("MD5"));
	l7->setFont(font);
	QLabel *l8 = new QLabel(md5);
	propertiesGrid->addWidget(l7, 3, 0);
	propertiesGrid->addWidget(l8, 3, 1);
	QLabel *l9 = new QLabel(tr("Size"));
	l9->setFont(font);
	QLocale l;
	QLabel *l10 = new QLabel(l.toString(size));
	propertiesGrid->addWidget(l9, 4, 0);
	propertiesGrid->addWidget(l10, 4, 1);
	QLabel *l11 = new QLabel(tr("Quality"));
	l11->setFont(font);
	QLabel *l12 = new QLabel(QString::number(quality));
	propertiesGrid->addWidget(l11, 5, 0);
	propertiesGrid->addWidget(l12, 5, 1);
	QLabel *l13 = new QLabel(tr("Archived"));
	l13->setFont(font);
	QLabel *l14 = new QLabel;
	if(dvd < 0){
		l14->setText(tr("No - local"));
	}else{
		QString s = QString(tr("On DVD #%1")).arg(QString::number(dvd));
		l14->setText(s);
	}
	propertiesGrid->addWidget(l13, 6, 0);
	propertiesGrid->addWidget(l14, 6, 1);
	QHBoxLayout *actorsPropertiesLayout = new QHBoxLayout;
	actorsPropertiesLayout->addWidget(mActors);
	actorsPropertiesLayout->addLayout(propertiesGrid);
	mainLayout->addLayout(actorsPropertiesLayout);

	//close button
	mClose = new QPushButton(tr("Close"));
	connect(mClose, SIGNAL(clicked()), this, SLOT(reject()));
	QHBoxLayout *closeButtonLayout = new QHBoxLayout;
	closeButtonLayout->addStretch();
	closeButtonLayout->addWidget(mClose);
	closeButtonLayout->addStretch();
	mainLayout->addLayout(closeButtonLayout);

	setLayout(mainLayout);
	QString winTitle = QString("%1 - Properties of %2").arg(qApp->applicationName()).arg(title);
	setWindowTitle(winTitle);

	if(!mCovers.isEmpty()){
		mIndex = 0;
	}
	setCover(mIndex);

}

MoviePropertiesDialog::~MoviePropertiesDialog() {
	delete mActorModel;
}

void MoviePropertiesDialog::setCover(int index){
	mScene->clear();
	if((index < 0) || (index >= mCovers.size())){
		QGraphicsTextItem *item = new QGraphicsTextItem(tr("No covers"));
		QFont font = QFont("Courier new", 30 , QFont::Bold);
		item->setFont(font);
		item->setDefaultTextColor(Qt::red);
		item->rotate(45);
		mScene->addItem(item);
		item->setPos(0, 0);
		mNext->setEnabled(false);
		mPrev->setEnabled(false);
	}else{
		QPixmap pm(mCovers.at(index));
		QGraphicsPixmapItem *item = new QGraphicsPixmapItem(pm);
		mScene->addItem(item);
		item->setPos(0, 0);
	}
}

void MoviePropertiesDialog::nextCover(){
	if(mIndex < 0){
		return;
	}
	++mIndex;
	if(mIndex >= mCovers.size()){
		mIndex = 0;
	}
	setCover(mIndex);
}

void MoviePropertiesDialog::previousCover(){
	if(mIndex < 0){
		return;
	}
	--mIndex;
	if(mIndex < 0){
		mIndex = mCovers.size() - 1;
	}
	setCover(mIndex);
}

void MoviePropertiesDialog::covers(){
	QSqlQuery q;
	q.prepare("SELECT tfilename, cmd5sum FROM covers WHERE imovid = :id");
	q.bindValue(":id", mId);
	q.exec();
	while(q.next()){
		QString path = Helper::createArchivePath(q.value(0).toString(), q.value(1).toString());
		QFileInfo fi(path);
		if(fi.exists()){
			mCovers << path;
		}
	}
}