#include <QDebug>
#include <QGuiApplication>

#include "../include/climanager.h"
#include "../include/cmdmanager.h"
#include "../include/config.h"
#include <boost/asio.hpp>
#include <boost/filesystem.hpp>
#include <boost/lexical_cast.hpp>
#include <json/json.h>

using boost::lexical_cast;
using boost::asio::buffer;
using namespace std;

namespace CmdManager {
QMLHandler *qmlHandler;
map<string, void (*)(Json::Value)> cmdmap;
} // namespace CmdManager

void CmdManager::init() {
	cmdmap["error"] = &CmdManager::handleError;
	cmdmap["status"] = &CmdManager::handleStatus;
	cmdmap["close"] = &CmdManager::handleClose;
	cmdmap["list"] = &CmdManager::handleList;
	cmdmap["connect"] = &CmdManager::handleConnect;
	cmdmap["version"] = &CmdManager::handleVersion;
	cmdmap["login"] = &CmdManager::handleLogin;
	cmdmap["signup"] = &CmdManager::handleSignup;
	cmdmap["put"] = &CmdManager::handlePut;
	cmdmap["putdata"] = &CmdManager::handlePutData;
	cmdmap["get"] = &CmdManager::handleGet;
	cmdmap["getdata"] = &CmdManager::handleGetData;
	cmdmap["deleteme"] = &CmdManager::handleDeleteMe;
	cmdmap["deletefile"] = &CmdManager::handleDeleteFile;
	cmdmap["notifications"] = &CmdManager::handleNotifications;
	cmdmap["queue"] = &CmdManager::handleQueue;
	cmdmap["dequeue"] = &CmdManager::handleDequeue;
}

void CmdManager::setQmlHandler(QMLHandler *q) { qmlHandler = q; }

void CmdManager::executeCmd(string cmd, Json::Value root) {
	map<string, void (*)(Json::Value)>::iterator it = cmdmap.find(cmd);
	if (it == cmdmap.end()) {
		return;
	}
	cmdmap[cmd](root);
}

void CmdManager::handleError(Json::Value root) { emit qmlHandler->log(root["error"].asString().c_str()); }

void CmdManager::handleStatus(Json::Value root) { emit qmlHandler->footerSetStatus(root["response"].asString().c_str()); }

void CmdManager::handleClose(Json::Value root) { CliManager::setProgramActive(false); }

void CmdManager::handleList(Json::Value root) {
	if (root["accept"] == true) {
		emit qmlHandler->receivingClearFileList();

		// Get the array of file Names
		auto fileNames = root["names"];
		for (int i = 0; i < fileNames.size(); i++) {
			emit qmlHandler->receivingListFile(QString::fromStdString(fileNames[i].asString().c_str()), boost::filesystem::exists(fileNames[i].asString()));
		}
	} else {
		emit qmlHandler->log(root["error"].asString().c_str());
	}
}

void CmdManager::handleConnect(Json::Value root) {
	if (!root["accept"].asBool()) {
		emit qmlHandler->ipPopupSetStatus(root["error"].asString().c_str());
		emit qmlHandler->ipPopupEnableConnectButton();
	}
}

void CmdManager::handleVersion(Json::Value root) {
	if (root["accept"] == true) {
		emit qmlHandler->ipPopupClose();
		emit qmlHandler->loginSignupPopupOpen();
	} else {
		QString errorMessage =
		    QString::fromStdString(string("Version mismatch: \nClient: " + root["clientversion"].asString() + "\nServer: " + root["serverversion"].asString()));
		emit qmlHandler->ipPopupSetStatus(errorMessage);
		emit qmlHandler->ipPopupEnableConnectButton();
	}
}

void CmdManager::handleLogin(Json::Value root) {
	if (root["accept"] == true) {
		emit qmlHandler->loginSignupPopupClose();
		CliManager::writeToCli("list");
		qmlHandler->loadSettingsToGUI();
	} else {
		emit qmlHandler->loginSetStatus(root["error"].asString().c_str());
		emit qmlHandler->loginEnableLoginButton();
	}
}

void CmdManager::handleSignup(Json::Value root) {
	if (root["accept"] == true) {
		emit qmlHandler->loginSignupPopupClose();
	} else {
		emit qmlHandler->signupSetStatus(root["error"].asString().c_str());
		emit qmlHandler->signupEnableRegisterButton();
	}
}

void CmdManager::handlePut(Json::Value root) {
	if (root["accept"] == false) {
		QString errorMessage = QString::fromStdString(string("Error when uploading file " + root["file"].asString() + ":\n" + root["error"].asString()));
		emit qmlHandler->log(errorMessage);
	}
}

void CmdManager::handlePutData(Json::Value root) {
	// TODO: Show speed and handle Error
}

void CmdManager::handleGet(Json::Value root) {
	if (root["accept"] == false) {
		QString errorMessage = QString::fromStdString(string("Error when downloading file " + root["file"].asString() + ":\n" + root["error"].asString()));
		emit qmlHandler->log(errorMessage);
	} else {
		string fileName = root["file"].asString();
		// TODO: Only do this in getdata when remaining is 0 (when the file is fully downloaded) - maybe set text to "downloading.." in between
		emit qmlHandler->receivingDisableDownloadButton(QString::fromStdString(fileName));
	}
}

void CmdManager::handleGetData(Json::Value root) {
	// TODO: Show speed and handle Error
}

void CmdManager::handleDeleteMe(Json::Value root) {
	if (root["accept"] == true) {
		qmlHandler->setRestart(true);
		emit qmlHandler->closeWindow();
	} else {
		QString errorMessage = QString::fromStdString(root["error"].asString());
		emit qmlHandler->deleteMePopupSetStatus(errorMessage);
	}
}

void CmdManager::handleDeleteFile(Json::Value root) {
	emit qmlHandler->receivingCloseConfirmDeletePopup();
	if (root["accept"] == false) {
		QString errorMessage = QString::fromStdString(string("Error when deleting file " + root["file"].asString() + ":\n" + root["error"].asString()));
		emit qmlHandler->log(errorMessage);
	} else {
		QString message = QString::fromStdString(string("Deleted file " + root["file"].asString() + " from the server!"));
		emit qmlHandler->log(message);
	}
}

void CmdManager::handleNotifications(Json::Value root) {
	if (root["accept"] == true) {
		// Get the array of notifications
		auto notifications = root["messages"];
		for (int i = 0; i < notifications.size(); i++) {
			emit qmlHandler->notification(QString::fromStdString(notifications[i].asString().c_str()));
		}

		if (notifications.size() > 1)
			emit qmlHandler->showDesktopNotification("Covert Channel - New Notifications",
			                                         "You have multiple new notifications. Open the program to see them.");
		else if (notifications.size() == 1)
			emit qmlHandler->showDesktopNotification("Covert Channel - New Notification", QString::fromStdString(notifications[0].asString().c_str()));
	} else {
		emit qmlHandler->log(root["error"].asString().c_str());
	}
}

void CmdManager::handleQueue(Json::Value root) {
	if (root["accept"] == false) {
		QString errorMessage = QString::fromStdString(string("Error when queueing file " + root["file"].asString() + ":\n" + root["error"].asString()));
		emit qmlHandler->log(errorMessage);
	}
}

void CmdManager::handleDequeue(Json::Value root) {
	if (root["accept"] == false) {
		QString errorMessage = QString::fromStdString(string("Error when dequeueing file " + root["file"].asString() + ":\n" + root["error"].asString()));
		emit qmlHandler->log(errorMessage);
	}
}