#include "connectionmanagerwindow.h"
#include "ui_connectionmanagerwindow.h"
//#include "mainwindow.h"
#include "MasterController.h"
#include <QDataWidgetMapper>
#include <QMessageBox>
#include <QStandardItemModel>

#include "connectionlistmodel.h"

ConnectionManagerWindow::ConnectionManagerWindow(MasterController *master, QWidget *parent)
	: QMainWindow(parent)
	, ui(new Ui::ConnectionManagerWindow)
//	, m_listModel(new ConnectionListModel(this))
	, m_masterController(master)
{
	ui->setupUi(this);

	ui->listView->setModel(m_masterController->getConnectionListModel());

	setupWidgetMappings();

	connect(ui->listView->selectionModel(),
			   SIGNAL(currentChanged(QModelIndex,QModelIndex)),
			   this, SLOT(on_currentChanged(QModelIndex,QModelIndex)));
}


ConnectionManagerWindow::~ConnectionManagerWindow()
{
//	m_listModel->save();

	delete ui;
//	delete m_listModel;
	delete m_mapper;
}

void ConnectionManagerWindow::on_actionAdd_Connection_triggered()
{
//	ConnectionConfig c;
//	c.setName("new");
	//m_listModel->add(c);

	auto clm = m_masterController->getConnectionListModel();
	clm->newItem();

	// Select the new row
	auto idx = clm->index(clm->rowCount() - 1, 0);
	ui->listView->selectionModel()->setCurrentIndex(idx, QItemSelectionModel::Select);
}

void ConnectionManagerWindow::on_currentChanged(const QModelIndex &current,
										const QModelIndex &)
{
	int currow = current.row();
	auto clm = m_masterController->getConnectionListModel();
	clm->save(prevSelection);
	m_mapper->setCurrentIndex(currow);
	prevSelection = currow;
}

void ConnectionManagerWindow::on_actionDelete_connection_triggered()
{
	auto ci = ui->listView->selectionModel()->currentIndex();
	if (ci.isValid()) {
		auto clm = m_masterController->getConnectionListModel();
		clm->removeRow(ci.row());
	}
}


void ConnectionManagerWindow::setupWidgetMappings()
{
	auto clm = m_masterController->getConnectionListModel();
	m_mapper = new QDataWidgetMapper(this);
	m_mapper->setModel(clm);
	m_mapper->addMapping(ui->edtName, 1);
	m_mapper->addMapping(ui->edtHost, 2);
	m_mapper->addMapping(ui->spinPort, 3);
	m_mapper->addMapping(ui->edtUser, 4);
	m_mapper->addMapping(ui->edtPassword, 5);
	m_mapper->addMapping(ui->edtDbname, 6);
	m_mapper->toFirst();
}

void ConnectionManagerWindow::on_actionConnect_triggered()
{
	auto ci = ui->listView->selectionModel()->currentIndex();
	m_masterController->openSqlWindowForConnection(ci.row());
}

void ConnectionManagerWindow::on_actionQuit_application_triggered()
{
	auto res = QMessageBox::question(this, "pglab",
		tr("Close ALL windows?"), QMessageBox::Yes, QMessageBox::No);
	if (res == QMessageBox::Yes) {
		QApplication::quit();
	}

	//closeAllWindows();
}

void ConnectionManagerWindow::on_actionBackup_database_triggered()
{
	// BACKUP
}

void ConnectionManagerWindow::on_actionManage_server_triggered()
{
	auto ci = ui->listView->selectionModel()->currentIndex();
	m_masterController->openServerWindowForConnection(ci.row());
}

#include <botan/botan.h>
//#include <botan/base64.h>
//#include <botan/pbkdf.h>
//#include <botan/block_cipher.h>
//#include <botan/hex.h>
#include <botan/cryptobox.h>

void ConnectionManagerWindow::on_testButton_clicked()
{
	std::string error = Botan::runtime_version_check(BOTAN_VERSION_MAJOR,
												 BOTAN_VERSION_MINOR,
												 BOTAN_VERSION_PATCH);
	if (error.empty()) {
//		Botan::AutoSeeded_RNG rng;
//		Botan::secure_vector<Botan::byte> salt =
//			//{ 0x3f, 0x0a, 0xb0, 0x11, 0x44, 0xfe, 0x9d, 0xf7, 0x85, 0xd3, 0x11, 0x38, 0xe2, 0xdf, 0x31, 0x42  };
//			rng.random_vec(16);
//		// salt should be random and saved with encrypted data so it can be used when we decrypt

//		std::string password = "Hello kitty";
//		std::unique_ptr<Botan::PBKDF> pbkdf(Botan::get_pbkdf("PBKDF2(SHA-256)"));
//		Botan::OctetString aes256_key = pbkdf->derive_key(32, password, salt.data(), salt.size(), 10000);

//		std::string plaintext("Your great-grandfather gave this watch to your granddad for good luck. Unfortunately, Dane's luck wasn't as good as his old man's.");
//		Botan::secure_vector<uint8_t> pt(plaintext.data(),plaintext.data()+plaintext.length());

//		std::unique_ptr<Botan::Cipher_Mode> enc(Botan::get_cipher_mode("AES-256/CBC/PKCS7", Botan::ENCRYPTION));
//		enc->set_key(aes256_key);

//		//generate fresh nonce (IV)
//		//std::unique_ptr<Botan::RandomNumberGenerator> rng(new Botan::AutoSeeded_RNG);
//		std::vector<uint8_t> iv(enc->default_nonce_length());
//		rng.randomize(iv.data(), iv.size());
//		enc->start(iv);
//		enc->finish(pt);
//		//std::cout << std::endl << enc->name() << " with iv " << Botan::hex_encode(iv) << std::endl << Botan::hex_encode(pt);


		//std::string s = aes256_key.as_string();// + "\n" + t.format_string();

		std::string passphrase = "my passphrase";
		std::string plaintext("password1234");
		try {
			Botan::AutoSeeded_RNG rng;
			std::string encrypted = Botan::CryptoBox::encrypt((const uint8_t*)plaintext.data(), plaintext.length(), passphrase, rng);

			std::string decrypted = Botan::CryptoBox::decrypt(encrypted, passphrase);

			std::string s = encrypted + "\n" + decrypted;
			QMessageBox::information(this, "pglab",
				QString::fromUtf8(s.c_str()), QMessageBox::Yes);
		}
		catch (Botan::Decoding_Error &e) {
			QMessageBox::information(this, "pglab",
				tr("Failure to decrypt"), QMessageBox::Yes);

		}
	}
	else {
		QMessageBox ::information(this, "pglab",
				QString::fromUtf8(error.c_str()), QMessageBox::Yes);
	}
}