/*
 * screenshotplugin.cpp - plugin
 * Copyright (C) 2009-2011  Evgeny Khryukin
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

class QAction;

#include "psiplugin.h"
#include "optionaccessor.h"
#include "optionaccessinghost.h"
#include "shortcutaccessor.h"
#include "shortcutaccessinghost.h"
#include "plugininfoprovider.h"
#include "iconfactoryaccessinghost.h"
#include "iconfactoryaccessor.h"
#include "menuaccessor.h"
#include "applicationinfoaccessinghost.h"
#include "applicationinfoaccessor.h"

#include "defines.h"
#include "optionswidget.h"
#include "options.h"
#include "screenshoticonset.h"
#include "controller.h"


class ScreenshotPlugin : public QObject, public PsiPlugin, public OptionAccessor, public ShortcutAccessor, public PluginInfoProvider,
		public IconFactoryAccessor, public MenuAccessor, public ApplicationInfoAccessor
{
	Q_OBJECT
#ifdef HAVE_QT5
	Q_PLUGIN_METADATA(IID "com.psi-plus.ScreenshotPlugin")
#endif
	Q_INTERFACES(PsiPlugin OptionAccessor ShortcutAccessor PluginInfoProvider IconFactoryAccessor MenuAccessor ApplicationInfoAccessor)

public:
	ScreenshotPlugin();

	virtual QString name() const;
	virtual QString shortName() const;
	virtual QString version() const;
	virtual QWidget* options();
	virtual bool enable();
	virtual bool disable();
	virtual void setOptionAccessingHost(OptionAccessingHost* host);
	virtual void optionChanged(const QString& /*option*/) { };
	virtual void setShortcutAccessingHost(ShortcutAccessingHost* host);
	virtual void setIconFactoryAccessingHost(IconFactoryAccessingHost* host);
	virtual void setApplicationInfoAccessingHost(ApplicationInfoAccessingHost* host);
	virtual QList < QVariantHash > getAccountMenuParam();
	virtual QList < QVariantHash > getContactMenuParam();
	virtual QAction* getContactAction(QObject* , int , const QString& ) { return 0; };
	virtual QAction* getAccountAction(QObject* , int ) { return 0; };
	virtual void setShortcuts();

	virtual void applyOptions();
	virtual void restoreOptions();

	virtual QString pluginInfo();
	virtual QPixmap icon() const;


private slots:
	void openImage();

private:
	void disconnectShortcut();

private:
	bool enabled_;
	OptionAccessingHost* psiOptions;
	ShortcutAccessingHost* psiShortcuts;
	IconFactoryAccessingHost* icoHost;
	ApplicationInfoAccessingHost* appInfo;

	QPointer<OptionsWidget> optionsWid;
	Controller* controller_;
};

#ifndef HAVE_QT5
Q_EXPORT_PLUGIN(ScreenshotPlugin);
#endif

ScreenshotPlugin::ScreenshotPlugin()
	: enabled_(false)
	, psiOptions(0)
	, psiShortcuts(0)
	, icoHost(0)
	, appInfo(0)
	, controller_(0)
{
}

QString ScreenshotPlugin::name() const
{
	return constName;
}

QString ScreenshotPlugin::shortName() const
{
	return "Screenshot";
}

QString ScreenshotPlugin::version() const
{
	return cVersion;
}

QWidget* ScreenshotPlugin::options()
{
	if (!enabled_) {
		return 0;
	}
	optionsWid = new OptionsWidget();

	restoreOptions();
	return optionsWid;
}

bool ScreenshotPlugin::enable()
{
	QFile file(":/screenshotplugin/screenshot");
	file.open(QIODevice::ReadOnly);
	QByteArray image = file.readAll();
	icoHost->addIcon("screenshotplugin/screenshot",image);
	file.close();

	Options::instance()->setPsiOptions(psiOptions);
	ScreenshotIconset::instance()->setIconHost(icoHost);

	controller_ = new Controller(appInfo);
	appInfo->getProxyFor(constName); //init proxy settings

	enabled_ = true;
	return enabled_;
}

bool ScreenshotPlugin::disable()
{
	disconnectShortcut();

	delete controller_;
	controller_ = 0;
	enabled_ = false;

	return true;
}

void ScreenshotPlugin::setOptionAccessingHost(OptionAccessingHost* host)
{
	psiOptions = host;
}

void ScreenshotPlugin::setShortcutAccessingHost(ShortcutAccessingHost* host)
{
	psiShortcuts = host;
}

void ScreenshotPlugin::setIconFactoryAccessingHost(IconFactoryAccessingHost* host)
{
	icoHost = host;
}

void ScreenshotPlugin::setApplicationInfoAccessingHost(ApplicationInfoAccessingHost *host)
{
	appInfo = host;
}

void ScreenshotPlugin::setShortcuts()
{
	const QString shortCut = psiOptions->getPluginOption(constShortCut).toString();
	psiShortcuts->connectShortcut(QKeySequence(shortCut), controller_, SLOT(onShortCutActivated()));
}

void ScreenshotPlugin::disconnectShortcut()
{
	const QString shortCut = psiOptions->getPluginOption(constShortCut).toString();
	psiShortcuts->disconnectShortcut(QKeySequence(shortCut), controller_,  SLOT(onShortCutActivated()));
}

QList < QVariantHash > ScreenshotPlugin::getAccountMenuParam()
{
		QVariantHash hash;
		hash["icon"] = QVariant(QString("screenshotplugin/screenshot"));
		hash["name"] = QVariant(tr("Upload Image"));
		hash["reciver"] = qVariantFromValue(qobject_cast<QObject *>(this));
		hash["slot"] = QVariant(SLOT(openImage()));
		QList< QVariantHash > l;
		l.push_back(hash);
		return l;
}

QList < QVariantHash > ScreenshotPlugin::getContactMenuParam()
{
	return QList < QVariantHash >();
}

void ScreenshotPlugin::openImage()
{
	if(!enabled_)
		return;

	controller_->openImage();
}

void ScreenshotPlugin::applyOptions()
{
	optionsWid->applyOptions();

	disconnectShortcut();
	setShortcuts();
}

void ScreenshotPlugin::restoreOptions()
{
	optionsWid->restoreOptions();
}

QString ScreenshotPlugin::pluginInfo()
{
	return tr("Authors: ") +  "C.H., Dealer_WeARE\n\n"
			+ trUtf8("This plugin allows you to make screenshots and save them to your hard drive or upload them to an FTP or HTTP server.\n"
			 "The plugin has the following settings:\n"
			 "* Shortcut -- hotkey to make the screenshot (by default, Ctrl+Alt+P)\n"
			 "* Format -- the file format in which the screenshot will be stored (default: .jpg)\n"
			 "* File Name -- format of the filename (default: pic-yyyyMMdd-hhmmss, where yyyyMMdd=YYYYMMDD, and hhmmss are current date in the format yearmonthday-hourminutesecond)\n"
		     "The address of FTP server is specified as ftp://ftp.domain.tld/path1/path2")
		     + tr("\n\nSettings for authorization on some hostings can be found here: http://code.google.com/p/qscreenshot/wiki/Authorization");
}

QPixmap ScreenshotPlugin::icon() const
{
	return QPixmap(":/screenshotplugin/screenshot");
}

#include "screenshotplugin.moc"