Elena_Papazova

#include <iostream>
#include <cstring>
using namespace std;

class User {
private:
    char username[50], password[50], email[50];
public:
    User(char *username=" ", char *password=" ", char *email=" ") {
        strcpy(this->username,username);
        strcpy(this->password,password);
        strcpy(this->email,email);
    }
    virtual double popularity()=0;
    const static double vrednostL;  //staticni clenovi
    const static double vrednostK;
    const static double vrednostT;
    virtual User & operator =(const User &us) {
        if(this==&us) return *this;
        strcpy(username,us.username);
        strcpy(password,us.password);
        strcpy(email,us.email);
        return *this;
    }
    User(const User &us) {
        strcpy(username,us.username);
        strcpy(password,us.password);
        strcpy(email,us.email);
    }

};

const double User :: vrednostL=0.1;
const double User :: vrednostK=0.5;  //inicijalizacija
const double User :: vrednostT=0.5;


class FacebookUser:public User {
private:
    int brP, brL, brK;
public:
    FacebookUser(char *username=" ", char* password=" ", char * email=" ",int brP=0, int brL=0, int brK=0):User(username,password,email) {
        this->brP=brP;
        this->brL=brL;
        this->brK=brK;
    }
    FacebookUser(const FacebookUser &f) {
        brP=f.brP;
        brL=f.brL;
        brK=f.brK;
    }
    double popularity() {
        return brP+brL*vrednostL+brK*vrednostK;
    }
    FacebookUser &operator =(const FacebookUser &f) {
        if(this==&f) return *this;
        this->User::operator=(f);
        brP=f.brP;
        brL=f.brL;
        brK=f.brK;
        return *this;
    }

};
class TwitterUser: public User {
private:
    int brF, brTw;
public:
    TwitterUser(char *username="", char* password="", char* email="", int brF=0, int brTw=0):User(username,password,email) {
        this->brF=brF;
        this->brTw=brTw;
    }
    TwitterUser(const TwitterUser &tw) {
        brF=tw.brF;
        brTw=tw.brTw;
    }
    double popularity() {
        return brF+ brTw*vrednostT;
    }
    TwitterUser &operator =(const TwitterUser &t) {
        if(this==&t) return *this;
        this->User::operator=(t);
        brF=t.brF;
        brTw=t.brTw;
        return *this;
    }

};
class SocialNetwork {
private:
    User **u;
    int korisnici;
public:
    const static int max=5;
    SocialNetwork() {
        u = new User*[0];
        korisnici=0;
    }
    ~SocialNetwork() {
        /*for(int i=0; i<korisnici; i++)
            delete u[i];
        delete [] u;*/
    }
    SocialNetwork(const SocialNetwork &sn) {
        korisnici=sn.korisnici;
        u=new User *[korisnici];
        for(int i=0; i<korisnici; i++)u[i]=sn.u[i];
    }
    SocialNetwork &operator =(const SocialNetwork &SN) {
        if(this==&SN) return *this;
        /*for(int i=0; i<korisnici; i++)
            delete u[i];*/
        //delete [] u;
        korisnici=SN.korisnici;
        u= new User*[korisnici];
        for(int i=0; i<korisnici; i++)
            u[i]=SN.u[i];
        return *this;
    }
    SocialNetwork &operator +=(User *nov) {
        User **tmp= new User *[korisnici+1];
        for(int i=0; i<korisnici; i++)
            tmp[i]=u[i];
        tmp[korisnici]=nov;                    //* help here?? *

       /* for(int i=0; i<korisnici; i++)
            delete [] u;*/
        korisnici++;
        //u= new User *[korisnici];
        delete [] u;
        u=tmp;
        /*for(int i=0; i<korisnici; i++)
            delete [] tmp;*/
        return *this;

    }
    int getMaxK() {
        return max;
    }
    int getK() {
        return korisnici;
    }
    float avgPopularity() {
        float avg;
        for(int i=0; i<korisnici; i++)
            avg+=u[i]->popularity();
        return avg/korisnici;
    }
    void changeMaximumSize(int number) {
        User **tmp=new User *[number];
        for(int i=0; i<korisnici; i++)
            tmp[i]=u[i];
        /*for(int i=0; i<korisnici; i++)
            delete [] u;*/
        korisnici=number;
        u= new User *[number];
        for(int i=0; i<korisnici; i++)
            u[i]=tmp[i];
    }

};

class InvalidPassword {
private:
    char text[50];
public:
    InvalidPassword(char *text="") {
        strcpy(this->text,text);
    }
    void message() {
        cout<<text;
    }

};
class InvalidEmail {
private:
    char text[50];
public:
    InvalidEmail(char * text="") {
        strcpy(this->text,text);
    }
    void message() {
        cout<<text;   //void message(char *text)
    }
};
class MaximumSizeLimit {
private:
    int number;
public:
    MaximumSizeLimit(int number=0) {
        this->number=number;
    }
    void message() {
        cout<<"You can't add more than "<<number<<" users"<<endl;
    }
};


int main() {

    SocialNetwork network = SocialNetwork();
    int n;
    cin >> n;
    char username[50];
    char password[50];
    char email[50];
    int userType;
    for (int i=0; i < n; ++i) {
        cin >> username;
        cin >> password;
        cin >> email;
        cin >> userType;
        if (userType == 1) {
            int friends;
            int likes;
            int comments;
            cin >> friends >> likes >> comments;

            try { // TODO: Try-catch
                User * u = new FacebookUser(username,password,email,friends,likes,comments);
                network += u;
                int GB, MB,BROJ;
                for(int i=0; i<strlen(password); i++) {
                    if(isupper(password[i]))
                        GB++;
                    if(islower(password[i]))
                        MB++;
                    if(isalnum(password[i]))
                        BROJ++;
                }
                if(GB<1 || MB<1 || BROJ<1)
                    throw 1;
                int flag=1;
                for(int i=0; i<strlen(email); i++) {
                    if(email[i]=='@') {
                        flag=0;
                        break;
                    }

                }
                if (flag) throw 2;

            } catch(int n) {
                if(n==1) InvalidPassword("Password is too weak"); //InvalidPassword::message();
                if(n==2) InvalidEmail("Mail is not valid"); //InvalidEmail::message();
            }
        } else {
            int followers;
            int tweets;
            cin >> followers >> tweets;

            try { // TODO: Try-catch
                User * u= new TwitterUser(username,password,email,followers,tweets);
                network += u;
                int GB, MB,BROJ;
                for(int i=0; i<strlen(password); i++) {
                    if(isupper(password[i]))
                        GB++;
                    if(islower(password[i]))
                        MB++;
                    if(isalnum(password[i]))
                        BROJ++;
                }
                if(GB<1 || MB<1 || BROJ<1)
                    throw 1;
                int flag=1;
                for(int i=0; i<strlen(email); i++) {
                    if(email[i]=='@') {
                        flag=0;
                        break;
                    }

                }
                if (flag) throw 2;
            } catch(int n) {
                if(n==1) InvalidPassword("Password is too weak"); //InvalidPassword::message("Password is too weak");
                if(n==2) InvalidEmail("Mail is not valid"); //InvalidEmail::message("Mail is not valid");
            }                                                // ~ fix later ~
        }

    }
    network.changeMaximumSize(6);
    cin >> username;
    cin >> password;
    cin >> email;
    int followers;
    int tweets;
    cin >> followers >> tweets;

    try { // TODO: Try-catch
        User * u= new TwitterUser(username,password,email,followers,tweets);
        network += u;
        if(network.getMaxK()<network.getK()) {
            int newK= network.getK();
            throw 3;
        }
    } catch (int n) {
        if (n==3) MaximumSizeLimit(newK);   //MaximumSizeLimit::message(newK);
    }
    cout << network.avgPopularity();

}
//im tired