FactoryCraft-Client/FactoryCraft/ServerSelection.cpp

#include <AsynchronCall.h>
#include <Schrift.h>
#include <Bild.h>
#include <AlphaFeld.h>
#include <Knopf.h>
#include <Datei.h>
#include <JSON.h>
#include <Base64.h>

#include "ServerSelection.h"
#include "FactoryClient.h"
#include "Globals.h"
#include "Initialisierung.h"

using namespace Framework;

ServerStatus::ServerStatus(Framework::Text name, Framework::Text ip, unsigned short sslPort,  unsigned short port, Framework::HashMap<Framework::Text, Framework::Text>* secrets)
	: ZeichnungHintergrund(),
	name(name),
	ip(ip),
	sslPort(sslPort),
	port(port),
	playerName(""),
	ping(-1),
	status("..."),
	requestId(0),
	secrets(secrets),
	closeAF(new AlphaFeld()),
	join(initKnopf(0, 0, 55, 20, Knopf::Style::Normal, "join"))
{
	closeAF->setSize(20, 20);
	closeAF->setFarbe(0x00FF0000);
	setMausEreignis(_ret1ME);
	setStyle(Style::Erlaubt | Style::Sichtbar | Style::Rahmen);
	setRahmenBreite(1);
	setRahmenFarbe(0xFF3d3d3d);
	join->setMausEreignis([this](void* p, void* o, MausEreignis me)
		{
			if (me.id == ME_RLinks)
			{
				FactoryClient* client = new FactoryClient();
				if (!client->connect(getIp(), getSSLPort()))
				{
					lockZeichnung();
					status = "The Server is currently not reachable";
					statusId = 404;
					ping = -1;
					rend = 1;
					unlockZeichnung();
					client->release();
				}
				else
				{
					Text secret = "";
					if (this->secrets->has(playerName))
						secret = this->secrets->get(playerName);
					bool isNew = secret.getLength() == 0;
					int stId = client->join(playerName, secret, getPort());
					lockZeichnung();
					statusId = stId;
					if (statusId == 403)
						status = "The name is already in use";
					if (statusId == 500)
						status = "Unknown Server message received";
					if (statusId == 201)
						status = "Please try again";
					unlockZeichnung();
					if (statusId == 200 || statusId == 201)
					{
						if(statusId == 200)
							((ServerSelectionMenu*)(Menu*)menuRegister->get("serverSelection"))->hide();
						if (isNew)
						{
							this->secrets->put(playerName, secret);
							((ServerSelectionMenu*)(Menu*)menuRegister->get("serverSelection"))->saveServers();
						}
						if (statusId == 200)
						{
							World::INSTANCE = new World(dynamic_cast<Bildschirm3D*>(window->zBildschirm()), client);
							((ServerSelectionMenu*)(Menu*)menuRegister->get("game"))->show();
						}
					}
					else
						client->release();
				}
			}
			return 1;
		});
}

ServerStatus::~ServerStatus()
{
	secrets->release();
	closeAF->release();
	join->release();
}

void ServerStatus::updatePlayerName(Framework::Text playerName)
{
	lockZeichnung();
	status = "";
	this->playerName = playerName;
	ServerStatus* tmp = dynamic_cast<ServerStatus*>(getThis());
	int id = ++requestId;
	unlockZeichnung();
	new AsynchronCall([tmp, id]()
		{
			FactoryClient* client = new FactoryClient();
			if (!client->connect(tmp->getIp(), tmp->getSSLPort()))
			{
				tmp->lockZeichnung();
				if (tmp->requestId == id)
				{
					tmp->status = "The Server is currently not reachable";
					tmp->statusId = 404;
					tmp->ping = -1;
					tmp->rend = 1;
				}
				tmp->unlockZeichnung();
			}
			else
			{
				tmp->lockZeichnung();
				if (tmp->requestId == id)
				{
					Text secret = "";
					if (tmp->secrets->has(tmp->playerName))
						secret = tmp->secrets->get(tmp->playerName);
					tmp->unlockZeichnung();
					int ping = client->ping();
					int statusId = client->status(tmp->playerName, secret);
					tmp->lockZeichnung();
					if (tmp->requestId == id)
					{
						tmp->ping = ping;
						tmp->statusId = statusId;
						if (tmp->statusId == 200)
							tmp->status = "The Server is reachable";
						if (tmp->statusId == 403)
							tmp->status = "The name is already in use";
						tmp->rend = 1;
					}
				}
				tmp->unlockZeichnung();
			}
			client->release();
			tmp->release();
		});
}

void ServerStatus::doMausEreignis(Framework::MausEreignis& me, bool userRet)
{
	if (me.id == ME_Leaves)
	{
		closeAF->setStrength(0);
		closeAF->setFarbe(0x00FF0000);
	}
	else if (me.id == ME_Bewegung)
	{
		if (me.mx >= gr.x - 20 && me.mx < gr.x && me.my >= 0 && me.my <= 20)
		{
			if (closeAF->getStrength() == 0)
			{
				closeAF->setStrength(-5);
				closeAF->setFarbe(0x30FF0000);
			}
		}
		else
		{
			if (closeAF->getStrength() != 0)
			{
				closeAF->setStrength(0);
				closeAF->setFarbe(0x00FF0000);
			}
		}
	}
	if (me.id == ME_RLinks)
	{
		if (me.mx >= gr.x - 20 && me.mx < gr.x && me.my >= 0 && me.my <= 20)
		{
			((ServerSelectionMenu*)(Menu*)menuRegister->get("serverSelection"))->removeServer(name);
			return;
		}
	}
	if (canConnect())
		join->doPublicMausEreignis(me);
}

bool ServerStatus::tick(double time)
{
	join->setPosition(gr.x - 60, gr.y - 25);
	closeAF->setPosition(gr.x - 20, 0);
	return ZeichnungHintergrund::tick(time) || join->tick(time) || closeAF->tick(time);
}

void ServerStatus::render(Framework::Bild& rObj)
{
	ZeichnungHintergrund::render(rObj);
	if (rObj.setDrawOptions(pos, gr))
	{
		TextRenderer tr(dynamic_cast<Schrift*>(uiFactory.initParam.schrift->getThis()));
		tr.setSchriftSize(12);
		tr.renderText(5, 5, name, rObj, 0xFFFFFFFF);
		tr.renderText(5, 25, ip + ":" + sslPort + " (" + port + ")", rObj, 0xFF808080);
		if (requestId && requestId != 404)
		{
			int tbr = tr.getTextBreite(Text("ping: ") + ping);
			if (ping >= 0)
			{
				tr.renderText(getBreite() - 25 - tbr, 5, Text("ping: ") + ping, rObj, 0xFFFFFFFF);
			}
		}
		if (statusId == 404 || statusId == 500)
			tr.renderText(5, 45, status, rObj, 0xFFFF0000);
		if (statusId == 403 || statusId == 201)
			tr.renderText(5, 45, status, rObj, 0xFFFFA500);
		if (statusId == 200)
			tr.renderText(5, 45, status, rObj, 0xFF00FF00);
		closeAF->render(rObj);
		rObj.drawLinie(Punkt(gr.x - 20, 0), Punkt(gr.x, 20), 0xFFFF0000);
		rObj.drawLinie(Punkt(gr.x - 20, 20), Punkt(gr.x, 0), 0xFFFF0000);
		if (canConnect())
			join->render(rObj);
		rObj.releaseDrawOptions();
	}
}

Framework::Text ServerStatus::getName() const
{
	return name;
}

Framework::Text ServerStatus::getIp() const
{
	return ip;
}

unsigned short ServerStatus::getSSLPort() const
{
	return sslPort;
}

unsigned short ServerStatus::getPort() const
{
	return port;
}

Framework::HashMap<Framework::Text, Framework::Text>* ServerStatus::zSecrets() const
{
	return secrets;
}

bool ServerStatus::canConnect() const
{
	return statusId == 200 || statusId == 201;
}


ServerSelectionMenu::ServerSelectionMenu(Bildschirm* zScreen)
	: Menu(zScreen)
{
	playerNameLabel = initTextFeld(zScreen->getBackBufferSize().x / 2 - 150, zScreen->getBackBufferSize().y / 2 - 300, 85, 20, TextFeld::Style::Text | TextFeld::Style::VCenter, "Player Name:");
	elements.add(playerNameLabel);
	playerName = initTextFeld(zScreen->getBackBufferSize().x / 2 - 150 + 85, zScreen->getBackBufferSize().y / 2 - 300, 215, 20, TextFeld::Style::TextFeld, "");
	playerName->setNTastaturEreignis([this](void* p, void* o, TastaturEreignis te)
		{
			// set player names of each server
			for (int i = 0; i < serverList->getEintragAnzahl(); i++)
				((ServerStatus*)serverList->zEintrag(i))->updatePlayerName(playerName->zText()->getText());
			saveServers();
			return 1;
		});
	elements.add(playerName);
	serverLabel = initTextFeld(zScreen->getBackBufferSize().x / 2 - 150, zScreen->getBackBufferSize().y / 2 - 275, 100, 20, TextFeld::Style::Text | TextFeld::Style::VCenter, "Server:");
	elements.add(serverLabel);
	refresh = initKnopf(zScreen->getBackBufferSize().x / 2 + 80, zScreen->getBackBufferSize().y / 2 - 275, 70, 20, Knopf::Style::Normal, "Refresh");
	refresh->setMausEreignis([this](void* p, void* o, Framework::MausEreignis me)
		{
			if (me.id == ME_RLinks)
			{
				if (playerName->zText()->getLength() > 0)
				{
					for (int i = 0; i < serverList->getEintragAnzahl(); i++)
						((ServerStatus*)serverList->zEintrag(i))->updatePlayerName(playerName->zText()->getText());
				}
			}
			return 1;
		});
	elements.add(refresh);
	serverList = new ZListe();
	serverList->setSize(300, 480);
	serverList->setRahmenBreite(1);
	serverList->setRahmenFarbe(0xFF6d6d6d);
	serverList->setPosition(zScreen->getBackBufferSize().x / 2 - 150, zScreen->getBackBufferSize().y / 2 - 250);
	serverList->setStyle(ZListe::Style::Normal | ZListe::Style::VScroll);
	serverList->setMausEreignis(_ret1ME);
	serverList->setVertikalScrollPos(0);
	serverList->setEntrySeperatorSize(1);
	serverList->setEntrySeperatorColor(0xFF6d6d6d);
	elements.add(serverList);
	add = initKnopf(zScreen->getBackBufferSize().x / 2 - 50, zScreen->getBackBufferSize().y / 2 + 235, 100, 20, Knopf::Style::Normal, "Add Server");
	elements.add(add);
	add->setMausEreignis([this](void* p, void* o, Framework::MausEreignis me)
		{
			if (me.id == ME_RLinks)
			{
				hide();
				menuRegister->get("addServer")->show();
			}
			return 1;
		});
	// load server json
	JSON::JSONValue* json = JSON::loadJSONFromFile("data/server.json");
	if (json)
	{
		// build validator
		JSON::Validator::JSONValidator* validator = JSON::Validator::JSONValidator::buildForObject()
			->withRequiredString("playerName")->withDefault("")->finishString()
			->withRequiredAttribute("server", JSON::Validator::JSONValidator::buildForArray()
				->withDefault(new JSON::JSONArray())
				->removeInvalidEntries()
				->addAcceptedTypeInArray(JSON::Validator::JSONValidator::buildForObject()
					->withRequiredString("name")->finishString()
					->withRequiredString("ip")->finishString()
					->withRequiredNumber("sslPort")->whichIsGreaterOrEqual(0)->whichIsLessOrEqual((double)0xFFFF)->finishNumber()
					->withRequiredNumber("port")->whichIsGreaterOrEqual(0)->whichIsLessOrEqual((double)0xFFFF)->finishNumber()
					->withRequiredAttribute("secrets", JSON::Validator::JSONValidator::buildForArray()
						->addAcceptedObjectInArray()
						->withRequiredString("secret")->finishString()
						->withRequiredString("playerName")->finishString()
						->finishObject()->finishArray())
					->finishObject())
				->finishArray())
			->finishObject();
		JSON::JSONValue* validJson = validator->getValidParts(json);
		json->release();
		if (validJson)
		{
			JSON::JSONArray* arr = validJson->asObject()->zValue("server")->asArray();
			for (int i = 0; i < arr->getLength(); i++)
			{
				JSON::JSONObject* obj = arr->zValue(i)->asObject();
				Framework::HashMap<Framework::Text, Framework::Text>* secrets = new Framework::HashMap<Framework::Text, Framework::Text>(10, [](Text t) { return t.hashCode(); });
				JSON::JSONArray* secretsJson = obj->zValue("secrets")->asArray();
				for (int j = 0; j < secretsJson->getLength(); j++)
				{
					JSON::JSONObject* obj2 = secretsJson->zValue(j)->asObject();
					//decode base64 secret
					char* secretBuffer = 0;
					int length;
					Framework::base64Decode(obj2->zValue("secret")->asString()->getString(), &secretBuffer, &length);
					secrets->put(obj2->zValue("playerName")->asString()->getString(), Framework::Text(secretBuffer));
					delete[] secretBuffer;
				}
				ServerStatus* s = new ServerStatus(obj->zValue("name")->asString()->getString(), obj->zValue("ip")->asString()->getString(), (unsigned short)obj->zValue("sslPort")->asNumber()->getNumber(), (unsigned short)obj->zValue("port")->asNumber()->getNumber(), secrets);
				s->setSize(300, 65);
				serverList->addEintrag(s);
			}
			playerName->setText(validJson->asObject()->zValue("playerName")->asString()->getString());
			if (playerName->zText()->getLength() > 0)
			{
				for (int i = 0; i < serverList->getEintragAnzahl(); i++)
					((ServerStatus*)serverList->zEintrag(i))->updatePlayerName(playerName->zText()->getText());
			}
			serverList->updateVScroll();
			validJson->release();
		}
		validator->release();
	}
}

void ServerSelectionMenu::addServer(Framework::Text name, Framework::Text ip, unsigned short sslPort, unsigned short port)
{
	ServerStatus* tmp = new ServerStatus(name, ip, sslPort, port, new HashMap< Framework::Text, Framework::Text>(10, [](Text t)
		{
			return t.hashCode();
		}));
	tmp->setSize(300, 65);
	serverList->addEintrag(tmp);
	tmp->updatePlayerName(playerName->zText()->getText());
	serverList->updateVScroll();
	saveServers();
}

bool ServerSelectionMenu::hasServer(Framework::Text name) const
{
	for (int i = 0; i < serverList->getEintragAnzahl(); i++)
	{
		if (((ServerStatus*)serverList->zEintrag(i))->getName() == name)
			return 1;
	}
	return 0;
}

void ServerSelectionMenu::removeServer(Framework::Text name) const
{
	for (int i = 0; i < serverList->getEintragAnzahl(); i++)
	{
		if (((ServerStatus*)serverList->zEintrag(i))->getName() == name)
			serverList->removeEintrag(i);
	}
	serverList->updateVScroll();
	saveServers();
}

void ServerSelectionMenu::saveServers() const
{
	Datei file;
	file.setDatei("data/server.json");
	file.open(Datei::Style::schreiben);
	JSON::JSONObject root;
	JSON::JSONArray* servers = new JSON::JSONArray();
	for (int i = 0; i < serverList->getEintragAnzahl(); i++)
	{
		JSON::JSONObject* server = new JSON::JSONObject();
		server->addValue("name", new JSON::JSONString(((ServerStatus*)serverList->zEintrag(i))->getName()));
		server->addValue("ip", new JSON::JSONString(((ServerStatus*)serverList->zEintrag(i))->getIp()));
		server->addValue("sslPort", new JSON::JSONNumber(((ServerStatus*)serverList->zEintrag(i))->getSSLPort()));
		server->addValue("port", new JSON::JSONNumber(((ServerStatus*)serverList->zEintrag(i))->getPort()));
		JSON::JSONArray* secrets = new JSON::JSONArray();
		for (auto secretEntry : *((ServerStatus*)serverList->zEintrag(i))->zSecrets())
		{
			JSON::JSONObject* secret = new JSON::JSONObject();
			secret->addValue("playerName", new JSON::JSONString(secretEntry.getKey()));
			// base64 encode secret
			Framework::Text secretBase64 = Framework::base64Encode(secretEntry.getValue(), secretEntry.getValue().getLength());
			secret->addValue("secret", new JSON::JSONString(secretBase64));
			secrets->addValue(secret);
		}
		server->addValue("secrets", secrets);
		servers->addValue(server);
	}
	root.addValue("server", servers);
	root.addValue("playerName", new JSON::JSONString(playerName->zText()->getText()));
	Framework::Text json = root.toString();
	file.schreibe(json, json.getLength());
	file.close();
}