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#include <iostream>
#include <string> //the header file to use strings
using namespace std;
// required information for one customer
struct customerDetails
{
string firstName;
string lastName;
string address;
string cityStateZip;
string telNo;
double balance;
string lastPayment;
};
void displayData(customerDetails [], int ); // this function will display the details of a specific customer
int mainMenu(void); // displays the menu and returns a VALID selection to the main program
const int MAX = 20;
int main()
{
customerDetails customer[MAX];
int choice;
string search;
double outBal = 0;
int i = 1, lastPosition = 0, modified;
int j = 1 ;
do
{
choice = mainMenu();
switch ( choice )
{
case 1: // stores data for one customer
i = lastPosition + 1;
cout<<"First name: ";
cin >> customer[i].firstName;
cout<<"Last name: ";
cin >> customer[i].lastName;
cout<<"address: ";
getline(cin, customer[modified].address); //This one gets skipped always
cout<<"Enter City, State and ZIP: ";
getline(cin, customer[i].cityStateZip);
cout<<"Telephone number: ";
getline(cin, customer[i].telNo);
cout<<"Account Balance: ";
cin>> customer[i].balance;
cout<<"Date of last payment: ";
getline(cin, customer[i].lastPayment); //this one gets skipped always
lastPosition = i;
i++;
break;
case 2: // asks the user to enter a customer number that they want to modify
cout<< "Enter the customer # to modify details: ";
cin >> modified;
cout<<"First name: ";
cin >> customer[modified].firstName;
cout<<"Last name: ";
cin >> customer[modified].lastName;
cout<<"address: ";
getline(cin, customer[modified].address); //skipped
cout<<"Enter City, State and ZIP: ";
getline(cin, customer[modified].cityStateZip);
cout<<"Telephone number: ";
getline(cin, customer[modified].telNo);
cout<<"Account Balance: ";
cin>> customer[modified].balance;
cout<<"Date of last payment: ";
getline(cin, customer[i].lastPayment); // skipped
break;
case 3: // asks the user to enter a customer number to DISPLAY the data of one customer
cout << "Enter customer # to display data: ";
cin >> modified;
displayData(customer, modified);
break;
case 4: // Searches for the entered name or last name | if one of them is found, it will display all the
// details of that customer, and will ask the user to enter new data for that customer
cout<<"Enter the first or last name of the person you are searching for: ";
cin >> search;
while(j <= lastPosition)
{
if(search == customer[j].firstName || search == customer[j].lastName)
{
displayData(customer, j);
cout<<"First name: ";
cin >> customer[j].firstName;
cout<<"Last name: ";
cin >> customer[j].lastName;
cout<<"address: ";
getline(cin, customer[j].address);
cout<<"Enter City, State and ZIP: ";
getline(cin, customer[j].cityStateZip);
cout<<"Telephone number: ";
getline(cin, customer[j].telNo);
cout<<"Account Balance: ";
cin>> customer[j].balance;
cout<<"Date of last payment: ";
getline(cin, customer[j].lastPayment);
}
else
{
cout<< "Customer not found! "<<endl;
}
j++;
}
break;
case 5:
//Add a new costumer at any time
cout<<"First name: ";
cin >> customer[lastPosition + 1].firstName;
cout<<"Last name: ";
cin >> customer[lastPosition + 1].lastName;
cout<<"address: ";
//getline(cin, customer[lastPosition + 1].address);
cout<<"Enter City, State and ZIP: ";
getline(cin, customer[lastPosition + 1].cityStateZip);
cout<<"Telephone number: ";
getline(cin, customer[lastPosition + 1].telNo);
cout<<"Account Balance: ";
cin>> customer[lastPosition + 1].balance;
cout<<"Date of last payment: ";
getline(cin, customer[lastPosition + 1].lastPayment);
lastPosition++;
break;
case 6: // calculates the outstanding balance
cout<<"The outstanding balance is: ";
outBal=0;
for(i=1; i <= lastPosition; i++)
{
outBal += customer[i].balance;
}
cout << outBal<< endl;
break;
case 7: exit(0);
}
}while(choice != 7 && i <= MAX); //Run the menu until case 7 is selected, and i is less or equal to MAX
return 0;
}
//displays the data of a customer
void displayData(customerDetails con[], int i)
{
cout << "Customer name: ";
cout << con[i].firstName << endl;
cout << "Last name: ";
cout << con[i].lastName << endl;
cout << "address: ";
cout << con[i].address << endl;
cout << "City, state and ZIP: ";
cout << con[i].cityStateZip << endl;
cout << "Telephone #: ";
cout << con[i].telNo << endl;
cout << "Account balance: ";
cout << con[i].balance << endl;
cout << "Date of last payment: ";
cout << con[i].lastPayment << endl;
}
//displays the main menu and return a VALID entry
int mainMenu(void)
{
int choice;
cout<<endl;
cout << "1: Enter data " << endl;
cout << "2: Modify entered data " << endl;
cout << "3: Display the data " <<endl;
cout << "4: Search for a customer "<<endl;
cout << "5: Add a new costumer "<<endl;
cout << "6: Compute the total outstanding balance " << endl;
cout << "7: Exit " << endl;
cout << "Select one of these options from the MENU: ";
cin >> choice;
while( choice != 1 && choice != 2 && choice != 3 && choice != 4 && choice !=5 && choice != 6 && choice != 7)
{
cout << "Select 1 , 2, 3, 4, 5 or 6 from the menu: ";
cin>> choice;
}
return choice;
}
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