#include "ServicesDialog.h"
#include "ServiceWidget.h"
#include "Configurator.h"
#include "HelpBrowser.h"

#include <QWebEngineView>
#include <QWebEngineHttpRequest>
#include <QUrlQuery>
#include <QScrollBar>

#include <iostream>

ServicesDialog::ServicesDialog(QWidget *parent):QDialog(parent),_layout(this) {
	int y = 0;
	_welcome = new QLabel(tr("Welcome to your Federated Computer\n"
				"We can automatically configure these services for you:"), this);
	_layout.addWidget(_welcome, y, 0);
	_knownServicesScroller = new QScrollArea(this);
	_knownServices = new QWidget(this);
	QBoxLayout *ksLayout = new QBoxLayout(QBoxLayout::TopToBottom, _knownServices);
	_layout.addWidget(_knownServicesScroller, ++y, 0);
	_usLabel = new QLabel(tr("Your subscription also includes the following services, which can not currently be auto-configured, but you can configure them manually:"), this);
	_layout.addWidget(_usLabel, ++y, 0);
	_unknownServicesScroller = new QScrollArea(this);
	_unknownServices = new QWidget(this);
	QBoxLayout *usLayout = new QBoxLayout(QBoxLayout::TopToBottom, _unknownServices);
	_layout.addWidget(_unknownServicesScroller, ++y, 0);
	int k = 0, u = 0;
	for(auto i : app->services()) {
		ServiceWidget *w;
		if(i.title == "Nextcloud" || i.title == "Panel") {
			w=new ServiceWidget(i, _knownServices);
			ksLayout->addWidget(w, ++k);
		} else {
			w=new ServiceWidget(i, _unknownServices);
			usLayout->addWidget(w, ++u);
		}
		connect(w, &ServiceWidget::goClicked, this, &ServicesDialog::configureService);
		connect(w, &ServiceWidget::helpClicked, this, &ServicesDialog::serviceHelp);
	}
	_knownServicesScroller->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	_unknownServicesScroller->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	_knownServicesScroller->setWidget(_knownServices);
	_unknownServicesScroller->setWidget(_unknownServices);
	_buttons = new ButtonRow(this);
	QPushButton *ok = new QPushButton(tr("&OK"), _buttons);
	connect(ok, &QPushButton::clicked, this, &QDialog::accept);
	ok->setDefault(true);
	QPushButton *cancel = new QPushButton(tr("&Cancel"), _buttons);
	connect(cancel, &QPushButton::clicked, this, &QDialog::reject);
	_buttons->add(ok);
	_buttons->add(cancel);
	_layout.addWidget(_buttons, ++y, 0);
	resizeEvent(0);
}

void ServicesDialog::configureService() {
	ServiceWidget *w=qobject_cast<ServiceWidget*>(sender());
	if(!w)
		return;

	QWebEngineView *v = new QWebEngineView(static_cast<QWidget*>(nullptr));
	if(w->service().title == "Panel") {
		QWebEngineHttpRequest req = QWebEngineHttpRequest::postRequest(w->service().url, {
				{"user_id", app->user()},
				{"password", app->password()}
			});
		v->load(req);
	} else
		v->load(w->service().url);
	v->show();
}

void ServicesDialog::serviceHelp() {
	ServiceWidget *w=qobject_cast<ServiceWidget*>(sender());
	if(!w)
		return;

	Service const &s = w->service();
	HelpBrowser *viewer = new HelpBrowser(s.documentationUrl);
	viewer->setWindowIcon(s.pixmap());
	viewer->setWindowTitle(QString("%1 help").arg(s.title));
	viewer->show();
}

void ServicesDialog::resizeEvent(QResizeEvent *e) {
	// Make sure the known services and unknown services
	// lists always use the full width available
	if(e)
		QDialog::resizeEvent(e);

	int const w = _knownServicesScroller->width();
	_knownServices->setFixedWidth(w);
	_unknownServices->setFixedWidth(w);
}