void cashIn(int cash) {
    if ((cashInTracker + cash) <= 1000 && (cash == 0 || cash == 20 || cash == 100 || cash == 500)) {
        player += cash;
        cashInTracker += cash;
        killSwitch = 1;
    }
    else {
        cout << "Du får sätta in max 1000kr. Du har satt in " << cashInTracker << " kr." << endl << "Tillåtna insatsmängder är 0, 20, 100 och 500kr." << endl;
    }
}

void bet(int betSize) {
    if ((betSize >= 1) && (betSize <= 50) && (betSize <= player)) {
        player -= betSize;
        killSwitch = 1;
    }
    else {
        cout << "Tillåten insats är 1 - 50 kronor. Var god försök igen: " << endl;
    }
}

void pull() {
    string o = "[O]", x = "[X]", p = "[P]";
    int random;
    srand(time(0));

    for (int i = 0; i < 3; i++) {

        for (int j = 0; j < 3; j++) {

            random = rand() % 3;

            if (random == 0) {
                interface[i][j] = o;
            }
            else if (random == 1) {
                interface[i][j] = x;
            }
            else if (random == 2) {
                interface[i][j] = p;
            }
        }
    }
}

void print() {

    cout << endl;

    for (int i = 0; i < 3; i++)
        for (int j = 0; j < 3; j++) {
            cout << interface[i][j];
            if (j == 2) {
                cout << endl;
            }
        }

    cout << endl << "Du har " << winLines << " lika rader." << endl << "Du har vunnit " << winSize << " kronor." << endl << endl;


    winLines = 0;
}

void payout() {

    for (int i = 0; i < 3; i++) {
        if ((interface[i][0] == interface[i][1]) && (interface[i][0] == interface[i][2])) {
            winLines += 1;
        }
    }
    for (int j = 0; j < 3; j++) {
        if ((interface[0][j] == interface[1][j]) && (interface[0][j] == interface[2][j])) {
            winLines += 1;
        }
    }
    if (interface[0][0] == interface[1][1] && interface[1][1] == interface[2][2]) {
        winLines += 1;
    }
    if (interface[2][0] == interface[1][1] && interface[2][0] == interface[0][2]) {
        winLines += 1;
    }


    if (winLines == 1) {
        winSize = (betSize * (winLines * 2));
    }
    else if (winLines == 2) {
        winSize = (betSize * (winLines * 4));
    }
    else if (winLines == 3) {
        winSize = (betSize * (winLines * 8));
    }
    else if (winLines == 4) {
        winSize = (betSize * (winLines * 16));
    }
    else if (winLines == 8) {
        winSize = (betSize * (winLines * 128));
    }

    player += winSize;
}