#include <client.hpp>

using namespace Qt;

/**
 * Create the constructor of class Client
 */

Client::Client(QObject* pointer) : QObject(pointer), sizeOfData(0) {
    pTcpSocket = new QTcpSocket(this);
    pTcpSocket->connectToHost("77.223.89.11", 2323);
    connect(pTcpSocket, SIGNAL(readyRead()), SLOT(slotReadyRead()));
}

/**
 * Create the slot the reception of data from server
 */

void Client::slotReadyRead () {
    QDataStream in(pTcpSocket);
    in.setVersion(QDataStream::Qt_5_3);
    in>>sizeOfData;
    while(pTcpSocket->bytesAvailable() < sizeOfData) {
        pTcpSocket->waitForReadyRead();
    }
    if (str[0] == "SigningIn") {
        str.clear();
        in>>number;
        in>>str;
        if (!str.isEmpty() && str[0] == name) {
            accesSigningIn(name, number);
            name = "";
            number = 0;
        }
        else {
            notAccesSigningIn(name);
            name = "";
        }
    }
    else if (str[0] == "SigningUp") {
        str.clear();
        in>>number;
        in>>str;
        if (!str.isEmpty() && str[0] == name) {
            accesSigningUp(name, number);
            name = "";
            number = 0;
        }
        else {
            notAccesSigningUp(name);
            name = "";
        }
    }
    name = "";
    str.clear();
}

/**
 * Create the slot that send to server messages
 */

void Client::slotSendToServer(QString argName, QString argPassword) {
    name = argName.trimmed();
    password = argPassword.trimmed();
    if (name.isEmpty() || password.isEmpty()) {
        somethingEmpty(name);
        return;
    }
    QByteArray arrBlock;
    QDataStream out(&arrBlock, QIODevice::WriteOnly);
    out.setVersion(QDataStream::Qt_5_3);
    QString info;
    str << sender()->objectName();
    if (str[0] == "SigningIn") {
        info = QString("SELECT \"Name\" FROM \"Authorization\" WHERE \"Name\" = '%1' AND \"password\" = '%2';|SELECT * FROM \"Amount\"").arg(name).arg(password);
    }
    else {
        info = QString("INSERT INTO \"Authorization\"(\"Name\", \"password\") VALUES('%1', '%2');|SELECT \"Name\" FROM \"Authorization\" WHERE \"password\" = '%2';|SELECT * FROM \"Amount\";").arg(name).arg(password);
    }
    out<<int(0)<<info;
    out.device()->seek(0);
    out << int(arrBlock.size() - sizeof(int));
    pTcpSocket->write(arrBlock);
}

/**
 * Create the deconstructor
 */

Client::~Client() {
    delete this;
}