Week7

#include<iostream>
#include<ctime>
#include<cstring>
#include<vector>
#include<fstream>

#define nullptr NULL

using namespace std;

int tries=3;

char *username="user";
char *password="pass";

class Gen
{
    static int seq;
public:
    static int getNext(){ return ++seq; }
};
int Gen::seq=0;

class BankAccount
{
    int id;
    char* name;
    double balance;
public:
    BankAccount(char* _name=nullptr,double _balance=0.0)
    {
        this->id = time(NULL);
        if(_name != nullptr)
        {
            this->name = new char[strlen(_name)+1];
            strcpy(this->name,_name);
        }
        else
        {
            this->name = nullptr;
        }
        this->balance = _balance;
    }
    double getBalance()
    {
        return this->balance;
    }
};

class StaffMember
{
    int id;
    char* name;
    size_t age;
    double salary;
public:
    StaffMember(char* _name=nullptr,size_t _age=0,double _salary=0.0)
    {
        this->id = time(NULL);
        if(_name != nullptr)
        {
            this->name = new char[strlen(_name)+1];
            strcpy(this->name,_name);
        }
        else
        {
            this->name = nullptr;
        }

        age=_age;
        salary = _salary;
    }
    void changeSalary(double change)
    {
        this->salary += change;
    }
    void operator += (double change) /// return type !!!
    {
        changeSalary(change);
    }

    double getSalary()
    {
        return this->salary;
    }
    int getId()
    {
        return this->id;
    }
};

class BankSystem
{
    vector<BankAccount> ba;
    vector<StaffMember> sm;
public:
    void push_back(BankAccount aBankAccount)
    {
        ba.push_back(aBankAccount);
    }
    void push_back(StaffMember aStaffMember)
    {
        sm.push_back(aStaffMember);
    }
    void eraseBankAccount(size_t pos)
    {
        ba.erase(ba.begin()+pos);
    }
    void eraseBankAccount(size_t left,size_t right)
    {
        ba.erase(ba.begin()+left,ba.begin()+right);
    }
    void eraseStaffMember(size_t pos)
    {
        sm.erase(sm.begin()+pos);
    }
    void eraseStaffMember(size_t left,size_t right)
    {
        sm.erase(sm.begin()+left,sm.begin()+right);
    }
    double sumBalances()
    {
        long double res=0;
        for(int i=0;i<ba.size();i++)
        {
            res+=ba[i].getBalance();
        }

        return res;
    }
    double sumSalaries()
    {
        long double res=0;
        for(size_t i=0;i<sm.size();i++)
        {
            res+=sm[i].getSalary();
        }

        return res;
    }
    double sumSalariesYearly()
    {
        return sumSalaries()*12;
    }
    void changeSalary(int id,int change)
    {
        for(size_t i=0;i<sm.size();i++)
        {
            if(sm[i].getId() == id)
            {
                sm[i].changeSalary(change);
            }
        }
    }
    void changeSalaryMany(int* id,size_t sz,int change) /// Optimize !!!
    {
        for(size_t i=0;i<sz;i++)
        {
            changeSalary(id[i],change);
        }
    }
};

bool logon(const char* nameOfFile)
{
    fstream file(nameOfFile);
    char inputName[64];
    char inputPass[64];
    if(file.is_open())
    {
        file>>inputName>>inputPass;

        while(tries--)
        {
            if(strcmp(inputName,username) || strcmp(inputPass,password) )
            {
                cout<<"Wrong username or password! Left tries - "<<tries<<endl;
            }
            else
            {
                cout<<"Welcome!"<<endl;
                break;
            }
        }

    }
    else
    {
        cout<<"File not found"<<endl;
    }
    file.close();
}

int main()
{
    logon("credentials.txt");
    return 0;
}