#include <QtQml>
#include <icclient.h>
#include <qicclient.hxx>
#include "controller.hxx"

static Controller* controller;
static QQmlApplicationEngine* engine;
static QString* certFile = nullptr;
using namespace QICClient;
static Client* shop = nullptr;
static Catalog* allProducts = nullptr;

extern "C" {
	void sign_up(char const*, char const*, void (*)(icclient_response*));
	struct icclient_catalog* catalog(char const*, char const*);
}

Controller::Controller(QObject* parent) : QObject{parent}
{
	controller = this;
	engine = qobject_cast<QQmlApplicationEngine*>(parent);
	engine->load(QUrl{QStringLiteral("qrc:/main.qml")});
	auto window = engine->rootObjects()[0];
	connect(window, SIGNAL(signUp(QString)), this, SLOT(signUp(QString)));
}

void Controller::signUp(QString const& brand)
{
#ifdef __ANDROID__
	QString certAsset{CA_BUNDLE};
	certFile = new QString{QDir{
		QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)
	}.absolutePath() % certAsset.remove(0, certAsset.lastIndexOf("/"))};
	QFile{"assets:" % certAsset}.copy(*certFile);
#endif
	sign_up(brand.toLatin1().constData(), certFile ? certFile->toLatin1().constData() : nullptr,
	[](icclient_response* response) {
		const_cast<char*>(response->data)[response->numBytes] = '\0';
		QString brand{response->data};
		icclient_free_response(response);
		auto window = engine->rootObjects()[0];
		QMetaObject::invokeMethod(window, "push", Q_ARG(QVariant, "Link"), Q_ARG(QVariant, brand));
		controller->connect(window, SIGNAL(pushed()), controller, SIGNAL(pushed()));
		controller->connect(controller, &Controller::pushed, [window]() {
			controller->connect(window->findChild<QObject*>("link"), SIGNAL(catalog(QString)),
					controller, SLOT(catalog(QString)));
		});
	});
}

void Controller::catalog(QString const& brand)
{
	QString sampleUrl{QString{SECURE_SERVER} % "/" % brand};
	QString imageDir{"/" % brand % "/images"};
	shop = new Client{sampleUrl.toLatin1().constData(), imageDir.toLatin1().constData(),
		certFile ? certFile->toLatin1().constData() : nullptr};
	if (certFile) {
		delete certFile;
		certFile = nullptr;
	}
	connect(shop, &Client::gotCatalog, [sampleUrl,imageDir](QString const& response) {
		allProducts = new Catalog{::catalog(response.toLatin1().constData(),
				imageDir.toLatin1().constData())};
		engine->rootContext()->setContextProperty("catalog", allProducts);
		QMetaObject::invokeMethod(engine->rootObjects()[0]->findChild<QObject*>("link"), "push",
				Q_ARG(QVariant, "Catalog"),
				Q_ARG(QVariant, QString{sampleUrl % "/images/"}));
	});
	shop->allProducts();
}

Controller::~Controller()
{
	if (certFile) delete certFile;
	if (allProducts) delete allProducts;
	if (shop) delete shop;
}