//File        : LongProgram2.cpp
//Author      : Andre Long
//Due         : September 2, 2004
//Description : This program will allow a user to enter or alter data for customer accounts

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

struct Account
{
   char Name[30];
   char Address[40];
   char CityStateZip[50];
   char TelephoneNumber[13];
   float AccountBalance;
   char DateOfLastPayment[11];
};

int Menu();
Account EnterData( Account[20] );
Account ModifyData( Account[20] );
void DisplayData( Account[20] );

int main ()
{
   int choice;
   int accountNumber;
   Account customer[20];

   for(int i=0; i<20; i++) //initialize stucture of arrays with dummy information
   {
	   Account somebody = {"John Doe", "1111 Main Street", "Sacramento California 95822", 
		              "916-111-2222", 0, "06/12/2004"};
	   customer[i]=somebody;
   }
   do
   {
      choice = Menu();
      if(choice < 0)
      { 
	     cout<<"You must enter in a positive number"<<"\n";
      }

      switch (choice)
      {
         case 0: cout<<"Exiting Program ";
	             break;
         case 1: EnterData(customer);
	             break;
         case 2: cout<<"Enter account number for one particular customer ";
			     cin>> accountNumber;
				 cout<<"\n";
				 cout<<"Enter the same number on very next line  ";
				 cout<<"\n";
		         ModifyData(customer);
		         break;
         case 3: DisplayData(customer);
	             break;
         default:"You need to enter in a choice from 0 to 3 ";
      }
   }
while ( choice!=0 );
cout<<"Good Bye, Have a nice day ";
}



int Menu()
{
   int choose;
   cout<<"Welcome to the long accounting program, your choices are: "<<"\n";
   cout<<"\n";
   cout<<" (0) Quit this program "<<"\n";
   cout<<" (1) Enter data for all customer accounts "<<"\n";
   cout<<" (2) Modify one particular customer account "<<"\n";
   cout<<" (3) Display information for all accounts "<<"\n";
   cin>> choose;
   cin.ignore();
   return choose;
}


Account EnterData(Account tempX[])
{
   int flag1=1;
   int flag2=1;
   int flag3=1;
   int flag4=1;
   int flag5=1;
   int flag6=1;

   


   for ( int i = 0; i<20; i++ )
   {
      do
	  {
		  flag1=1;
		  cout<<"Enter name of customer  "<<i;
		  cin.getline(tempX[i].Name, 30);
		  cout<<"\n";
		  if (isalpha(tempX[i].Name[0]) <= 0 )
		  {
             cout<<"The name you entered must start with letters "<<"\n";
			 flag1=0;
		  }
	  }
	  while (flag1==0);


	  do
	  {
		  flag2=1;
          cout<<"Enter street address of customer  "<<i;
		  cin.getline(tempX[i].Address, 40);
		  cout<<"\n";
		  if (isalnum(tempX[i].Address[0]) <= 0 )
		  {
             cout<<"The address must start with eighter a letter or digit "<<"\n";
			 flag2=0;
		  }
	  }
	  while(flag2==0);


	  do
	  {
		 flag3=1;
         cout<<"Enter City, State, and Zip code for customer  "<<i;
		 cin.getline(tempX[i].CityStateZip, 50);
		 cout<<"\n";
		 if (isalnum(tempX[i].CityStateZip[0]) <= 0 )
		 {
            cout<<"2nd part of address should begin with a letter or digit "<<"\n";
			flag3=0;
		 }
	  }
	  while(flag3==0);


      do
	  {
		 flag4=1;
         cout<<"Enter telephone number of customer  "<<i;
		 cin.getline(tempX[i].TelephoneNumber, 13);
		 cout<<"\n";
		 if (isdigit(tempX[i].TelephoneNumber[0]) <= 0 )
		 {
            cout<<"Telephone Number must start with a number "<<"\n";
			flag4=0;
		 }
	  }
	  while(flag4==0);


	  do
	  {
		 flag5=1;
         cout<<"Enter account balance of customer  "<<i;
		 cin>>tempX[i].AccountBalance;
		 cout<<"\n";
		 if (tempX[i].AccountBalance < 0 )
		 {
            cout<<"Account Balance can not be negative "<<"\n";
			flag5=0;
		 }
	  }
	  while(flag5==0);


	  do
	  {
		 flag6=1;
         cout<<"Enter the date of last payment of customer  "<<i;
		 cin.ignore();
		 cin.getline(tempX[i].DateOfLastPayment, 11);
		 cout<<"\n";
		 if (isalnum(tempX[i].DateOfLastPayment[0]) <= 0 )
		 {
            cout<<"Date must start with a letter or number ";
			flag6=0;
		 }
	  }
	  while(flag6==0);



   } //end for loop


   return tempX[20];
} //end function


Account ModifyData(Account tempY[])
{
   int index;
   int flag1=1;
   int flag2=1;
   int flag3=1;
   int flag4=1;
   int flag5=1;
   int flag6=1;
  

   cout<<"Enter one particular account number (0 to 19) to change customer information "<<"\n";
   cin>> index;
   cin.ignore();

   do
   {
	  flag1=1;
      cout<<"Enter customer name : ";
      cin.getline(tempY[index].Name, 30);
	  if ( isalpha(tempY[index].Name[0]) <= 0 )
	  {
         cout<<"Name must start with letter."<<"\n";
		 flag1=0;
	  }

   } 
   while(flag1==0);


   do
   {
	   flag2=1;
	   cout<<"Enter customer's street adress : ";
	   cin.getline(tempY[index].Address, 40);
	   if ( isalnum(tempY[index].Address[0]) <= 0 )
	   {
          cout<<"Addres must start with a letter or digit."<<"\n";
		  flag2=0;
	   }
   }
   while(flag2==0);


   do
   {
	   flag3=1;
	   cout<<"Enter customer's  City, State and Zip code : ";
	   cin.getline(tempY[index].CityStateZip, 50);
	   if ( isalnum(tempY[index].CityStateZip[0]) <= 0 )
	   {
          cout<<"Geographic address must start with a letter or digit."<<"\n";
		  flag3=0;
	   }
   }
   while(flag3==0);


   do
   {
	   flag4=1;
	   cout<<"Enter customer's telephone number : ";
	   cin.getline(tempY[index].TelephoneNumber, 13);
	   if ( isdigit(tempY[index].TelephoneNumber[0]) <= 0 )
	   {
          cout<<"Telephone number must start with a number "<<"\n";
		  flag4=0;
       }
   }
   while(flag4==0);


   do
   {
	   flag5=1;
	   cout<<"Money in account is : ";
	   cin>> tempY[index].AccountBalance;\
	   cin.ignore();
	   if ( tempY[index].AccountBalance < 0 )
	   {
          cout<<"Can not have a negative amount of money in account "<<"\n";
		  flag5=0;
	   }
   }
   while(flag5==5);


   do
   {

	   cout<<"What is the date of last payment : ";
	   cin.getline(tempY[index].DateOfLastPayment, 11);
	   if (isalnum(tempY[index].DateOfLastPayment[0]) <= 0 )
	   {
          cout<<"Date must start with a letter or number "<<"\n";
		  flag6=0;
	   }
   }
   while(flag6==0);

   return tempY[20];

} //end function    



void DisplayData(Account tempZ[])
{
  

   for(int i=0; i<20; i++)
   {
	  cout<<"Customer : "<<tempZ[i].Name<<"\n";
	  cout<<"Street Address : "<<tempZ[i].Address<<"\n";
	  cout<<"Geographic Address : "<<tempZ[i].CityStateZip<<"\n";
	  cout<<"Telephone Number : "<<tempZ[i].TelephoneNumber<<"\n";
	  cout<<"Account Balance : "<<tempZ[i].AccountBalance<<"\n";
	  cout<<"Date Of Last Payment : "<<tempZ[i].DateOfLastPayment<<"\n";
	  cout<<"\n";
   }
}