[Vezbi] Sladoled

#include <iostream>
#include <cstring>

using namespace std;

void string_copy(char* dest, const char* source, int length) {
    strncpy(dest, source, length);
    dest[length] = 0;
}

class IceCream {
    char* ime;
    char sostav[100];
    float cena;
    int popust;
public:
    IceCream() {
        ime = 0;
        strcpy(sostav, "\0");
        cena = 0.0;
        popust = 0;
    }

    IceCream(const char* _ime, const char* _sostav, const float _cena) {
        ime = new char[strlen(_ime+1)];
        string_copy(ime, _ime, strlen(_ime));
        string_copy(sostav, _sostav, strlen(_sostav));
        cena = _cena;
        popust = 0;
    }

    IceCream(const IceCream& obj) {
        ime = new char[strlen(obj.ime+1)];
        string_copy(ime, obj.ime, strlen(obj.ime));
        string_copy(sostav, obj.sostav, 99);
        cena = obj.cena;
        popust = obj.popust;
    }

    IceCream& operator=(const IceCream& obj) {
        if(this != &obj) {
            delete [] ime;
            ime = new char[strlen(obj.ime+1)];
            string_copy(ime, obj.ime, strlen(obj.ime));
            string_copy(sostav, obj.sostav, 99);
            cena = obj.cena;
            popust = obj.popust;
        }
        return *this;
    }

    IceCream& operator++() {
        popust += 5;
        return *this;
    }

    IceCream operator+(const char* niza) {
        IceCream obj(*this);
        delete [] obj.ime;
        obj.ime = new char[strlen(ime) + strlen(" + ") + strlen(niza)];
        strcat(obj.ime, ime);
        strcat(obj.ime, " + ");
        strcat(obj.ime, niza);
        obj.ime[strlen(obj.ime)] = 0;
        obj.cena += 10;
        return obj;
    };

    void setDiscount(int discount) { popust = discount; }
    void setName(char* name) {
        delete [] ime;
        ime = new char[strlen(name)+1];
        string_copy(ime, name, strlen(name));
    }

    friend ostream& operator<<(ostream& out, const IceCream& obj) {
        out << obj.ime << ": " << obj.sostav << " " << obj.cena;
        if(obj.popust > 0) {
            out << " (" << (obj.cena - ((obj.popust/100.0)*obj.cena)) << ")";
            return out;
        }
        out << " ";
        return out;
    }

    ~IceCream() {
        delete [] ime;
    }
};

class IceCreamShop {
    char ime[50];
    IceCream* sladoledi;
    int vkupno_sladoledi;
public:
    IceCreamShop(const char* _ime = "") {
        string_copy(ime, _ime, 49);
        sladoledi = NULL;
        vkupno_sladoledi = 0;
    }

    IceCreamShop(const IceCreamShop& obj) {
        string_copy(ime, obj.ime, 49);
        vkupno_sladoledi = obj.vkupno_sladoledi;
        sladoledi = new IceCream[vkupno_sladoledi];
        for(int i = 0; i < vkupno_sladoledi; ++i) {
            sladoledi[i] = obj.sladoledi[i];
        }
    }

    IceCreamShop& operator=(const IceCreamShop& obj) {
        if(this != &obj) {
            delete [] sladoledi;
            string_copy(ime, obj.ime, 49);
            vkupno_sladoledi = obj.vkupno_sladoledi;
            sladoledi = new IceCream[vkupno_sladoledi];
            for(int i = 0; i < vkupno_sladoledi; ++i) {
                sladoledi[i] = obj.sladoledi[i];
            }
        }
        return *this;
    }

    IceCreamShop& operator+=(const IceCream& obj) {
        IceCream* temp = new IceCream[vkupno_sladoledi+1];
        for(int i = 0; i < vkupno_sladoledi; ++i) {
            temp[i] = sladoledi[i];
        }
        delete [] sladoledi;
        sladoledi = temp;
        sladoledi[vkupno_sladoledi++] = obj;
        return *this;
    }

    friend ostream& operator<<(ostream& out, const IceCreamShop& obj) {
        out << obj.ime << endl;
        for(int i = 0; i < obj.vkupno_sladoledi; ++i) {
            cout << obj.sladoledi[i] << endl;
        }
        return out;
    }

    ~IceCreamShop() {
        delete [] sladoledi;
    }
};

int main() {
    char name[100];
    char ingr[100];
    float price;
    int discount;

    int testCase;

    cin >> testCase;
    cin.get();
    if(testCase == 1) {
        cout << "====== TESTING IceCream CLASS ======" << endl;
        cin.getline(name,100);
        cin.getline(ingr,100);
        cin >> price;
        cin >> discount;
        cout << "CONSTRUCTOR" << endl;
        IceCream ic1(name, ingr, price);
        ic1.setDiscount(discount);
        cin.get();
        cin.getline(name,100);
        cin.getline(ingr,100);
        cin >> price;
        cin >> discount;
        IceCream ic2(name, ingr, price);
        ic2.setDiscount(discount);
        cout << "OPERATOR <<" << endl;
        cout << ic1 << endl;
        cout << ic2 << endl;
        cout << "OPERATOR ++" << endl;
        ++ic1;
        cout << ic1 << endl;
        cout << "OPERATOR +" << endl;
        IceCream ic3;
        ic3 = ic2 + "chocolate";
        cout << ic3 <<endl;
    } else if(testCase == 2) {
        cout << "====== TESTING IceCream CONSTRUCTORS ======" << endl;
        cin.getline(name,100);
        cin.getline(ingr,100);
        cin >> price;
        cout << "CONSTRUCTOR" << endl;
        IceCream ic1(name, ingr, price);
        cout << ic1 << endl;
        cout << "COPY CONSTRUCTOR" << endl;
        IceCream ic2(ic1);
        cin.get();
        cin.getline(name,100);
        ic2.setName(name);
        cout << ic1 << endl;
        cout << ic2 << endl;
        cout << "OPERATOR =" << endl;
        ic1 = ic2;
        cin.getline(name,100);
        ic2.setName(name);
        cout << ic1 << endl;
        cout << ic2 << endl;

        cin >> discount;
        ic1.setDiscount(discount);


    } else if(testCase == 3) {
        cout << "====== TESTING IceCreamShop ======" << endl;
        char icsName[50];
        cin.getline(icsName,100);
        cout << "CONSTRUCTOR" << endl;
        IceCreamShop ics(icsName);
        int n;
        cin >> n;
        cout << "OPERATOR +=" << endl;
        for(int i = 0; i < n; ++i) {
            cin.get();
            cin.getline(name,100);
            cin.getline(ingr,100);
            cin >> price;
            IceCream ic(name, ingr, price);
            ics += ic;
        }
        cout << ics;
    } else if(testCase == 4) {
        cout << "====== TESTING IceCreamShop CONSTRUCTORS ======" << endl;
        char icsName[50];
        cin.getline(icsName,100);
        IceCreamShop ics(icsName);
        int n;
        cin >> n;
        for(int i = 0; i < n; ++i) {
            cin.get();
            cin.getline(name,100);
            cin.getline(ingr,100);
            cin >> price;
            IceCream ic(name, ingr, price);
            ics += ic;
        }
        IceCream x("FINKI fruits", "strawberry ice cream, raspberry ice cream, blueberry ice cream", 60);
        IceCreamShop icp = ics;
        ics+=x;
        cout << ics << endl;
        cout << icp << endl;
    }


    return 0;
}