#include <QDebug>
#include <QGuiApplication>
#include <csignal>
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <poll.h>
#include <string>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <thread>
#include <unistd.h>

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

using boost::lexical_cast;
using boost::asio::buffer;

using namespace std;

QUrl sendFileUrl = QUrl("");
bool _RESTART = false;

QMLHandler::QMLHandler(QObject *parent) : QObject(parent) {}

void QMLHandler::loadSettingsToGUI() {
	int covertMethod = lexical_cast<int>(Config::getValue("Covert-Channel-Method"));
	bool saveIP = lexical_cast<bool>(Config::getValue("Autofill-IP"));
	bool saveUsername = lexical_cast<bool>(Config::getValue("Autofill-Username"));
	QString cliPath = QString::fromStdString(Config::getValue("CLI-Path"));
	emit loadSettings(covertMethod, saveIP, saveUsername, cliPath);
}

// ### QML Handlers ###

void QMLHandler::onStart() {
	bool configExists = Config::loadFile();

	if (configExists == true) {
		// Config exists
		if (Config::checkConfig() == true) {
			// Config is valid
			if (!boost::filesystem::is_regular_file(Config::getValue("CLI-Path")) ||
			    boost::filesystem::path(Config::getValue("CLI-Path")).filename().compare("ccats-cli")) {
				// Invalid CLI Path
				emit invalidCliPathPopupOpen();
			}
			if (Config::getValue("Autofill-IP") == "1") {
				emit ipPopupSetIP(QString::fromStdString(Config::getValue("Default-IP")));
				emit ipPopupCheckSaveCheckbox();
			}
			if (Config::getValue("Autofill-Username") == "1") {
				emit loginSetUsername(QString::fromStdString(Config::getValue("Default-Username")));
				emit loginSignupCheckSaveCheckbox();
			}
		} else {
			// Config is invalid
			emit invalidConfigPopupOpen();
		}
	} else {
		// Config doesn't exist
		Config::setupDefaultConfig();
		emit noConfigFoundPopupOpen();
	}

	CliManager::init();
}

// No Config Found Popup
void QMLHandler::onNoConfigFoundPopupContinueButton(QString cli_path) {
	Config::setValue("CLI-Path", cli_path.toUtf8().constData());
	Config::saveFile();
}

// Invalid Cli Path Popup
void QMLHandler::onInvalidCliPathPopupContinueButton(QString cli_path) {
	Config::setValue("CLI-Path", cli_path.toUtf8().constData());
	Config::saveFile();
}

void QMLHandler::onInvalidCliPathPopupQuitButton() { emit closeWindow(); }

// Invalid Config Popup
void QMLHandler::onInvalidConfigPopupQuitButton() { emit closeWindow(); }

void QMLHandler::onInvalidConfigPopupCreateDefaultButton() {
	Config::setupDefaultConfig();
	emit noConfigFoundPopupOpen();
}

// Sending
void QMLHandler::onSendingSelectFileButton(QUrl url) {
	sendFileUrl = url.toLocalFile();
	emit log("File Selected: " + sendFileUrl.toString());
	emit sendingSetFileUrlText("Selected File: " + sendFileUrl.toString());
	emit sendingEnableSendButton();
}

void QMLHandler::onSendingSendFileButton() {
	QString command = "put " + sendFileUrl.toString();
	CliManager::writeToCli(command);
}

void QMLHandler::onSendingClearSelectionButton() {
	sendFileUrl = QUrl("");
	emit log("Cleared Selection");
	emit sendingSetFileUrlText("Selected File: None");
	emit sendingDisableSendButton();
}

// Receiving
void QMLHandler::onReceivingListFilesButton() { CliManager::writeToCli("extendedlist"); }

void QMLHandler::onReceivingDownloadFileButton(QString fileName) {
	QString command = "get " + fileName;
	CliManager::writeToCli(command);
}

void QMLHandler::onReceivingConfirmDeleteFileButton(QString fileName) {
	QString command = "deletefile " + fileName;
	CliManager::writeToCli(command);
}

// Messages
void QMLHandler::onMessagesSendButton(QString msg) { emit message(msg); }

// Settings
void QMLHandler::onSettingsDeleteMeButton(QString password) {
	QString command = "deleteme " + password;
	CliManager::writeToCli(command);
}

void QMLHandler::onSettingsRevertChangesButton() {
	loadSettingsToGUI();
	emit log("Settings changes reverted.");
}

void QMLHandler::onSettingsResetButton() {
	string cli_path = Config::getValue("CLI-Path");
	Config::setupDefaultConfig();
	Config::setValue("CLI-Path", cli_path);
	loadSettingsToGUI();
	emit log("Settings resetted to default.");
}

void QMLHandler::onSettingsSaveButton(int covertMethod, bool saveIP, bool saveUsername, QString cliPath) {
	Config::setValue("Covert-Channel-Method", lexical_cast<string>(covertMethod));
	Config::setValue("Autofill-IP", lexical_cast<string>(saveIP));
	Config::setValue("Autofill-Username", lexical_cast<string>(saveUsername));
	Config::setValue("CLI-Path", cliPath.toUtf8().constData());
	Config::saveFile();
	emit log("Settings saved.");
}

// Ip Popup
void QMLHandler::onIpPopupConnectButton(QString ip, bool saveAsDefault) {
	QString command = "connect " + ip;
	CliManager::writeToCli(command);

	emit ipPopupDisableConnectButton();
	if (saveAsDefault) {
		Config::setValue("Default-IP", ip.toUtf8().constData());
		Config::setValue("Autofill-IP", "1");
		Config::saveFile();
	}
}

// Login
void QMLHandler::onLoginLoginButton(QString username, QString password, bool saveAsDefault) {
	QString command = "login " + username + " " + password;
	CliManager::writeToCli(command);
	emit loginDisableLoginButton();
	if (saveAsDefault) {
		Config::setValue("Default-Username", username.toUtf8().constData());
		Config::setValue("Autofill-Username", "1");
		Config::saveFile();
	}
}

// Signup
void QMLHandler::onSignupRegisterButton(QString username, QString passwordOne, QString passwordTwo, bool saveAsDefault) {
	if (QString::compare(passwordOne, passwordTwo, Qt::CaseSensitive)) {
		emit signupSetStatus("Passwords don't match");
		return;
	}
	QString command = "signup " + username + " " + passwordOne;
	CliManager::writeToCli(command);
	emit signupDisableRegisterButton();
	if (saveAsDefault) {
		Config::setValue("Default-Username", username.toUtf8().constData());
		Config::setValue("Autofill-Username", "1");
		Config::saveFile();
	}
}

// Footer
void QMLHandler::onFooterGetStatusButton() { CliManager::writeToCli("status"); }

// Notifications
void QMLHandler::onDismissNotificationButton(int index) { emit dismissNotification(index); }

// Queueing
void QMLHandler::onReceivingQueueFileButton(QString fileName) {
	QString command = "queue " + fileName;
	CliManager::writeToCli(command);
}

void QMLHandler::onReceivingDequeueFileButton(QString fileName) {
	QString command = "dequeue " + fileName;
	CliManager::writeToCli(command);
}

void QMLHandler::setRestart(bool restart) { _RESTART = restart; }