#include "stdstuff.h"
#include "Date.h"

class CustomerDB {

private: 
         
   // "customer" is the struct containing the customer information
   // it is made up of id (an integer) and total (a double)
   struct customer{
      int id;
      double total;
      Date purchDate;
      String2002 custName;
   };

   enum {MAXCUST=100}; // another way of declaring an int const
        // Hint: make MAXCUST much smaller to test filling the database

   // the old fields of the customerDB struct are now fields in our class
   customer ci[MAXCUST]; // the array of customer information
   int numCusts; // the number of customers currently in the database

public:
   // Your methods go here.  Remember to describe each method (i.e. comments!)
   // and use "const" where appropriate.
   
   // the constructor creates an empty database
   CustomerDB();
   
   // returns the number of customers in the database
   int getNumCusts() const;

   // add a new customer to the database; returns true if successful, false otherwise
   // (database full or customer already exists)
   bool add(int id, double total, const Date &purchase, const String2002 &name);
  
   // remove a customer from the database; returns true if successful, false otherwise (customer
   // does not exist)
   bool remove(int id);

   // prints the full customer database (or a note if the database is empty)
   // Customers are printed one per two lines, with 2 decimals for the total,
   // and the purchase date and name on the second line.
   void print() const;
     
   // change the customer number of an existing customer; returns true if successful, 
   // false otherwise (customer does not exist, or new customer id in use)
   bool changeID(int id, int nid);
     
   // change the customer total of an existing customer; returns true if successful, 
   // false otherwise (customer does not exist)
   bool changeTotal(int id, double ntotal);

   // move the purchase date by the number of days given; returns true if successful, 
   // false otherwise (customer does not exist)
   bool moveDate(int id, int days);

   // append the given String2002 to the customer name; returns true if successful, 
   // false otherwise (customer does not exist)
   bool appendName(int id, const String2002 &add);
     
   // returns the highest total of all customers 
   // (returns -1 if there are no customers in the database)
   double getBestTotal() const;

   // prints (to cout) the earliest purchase date of all customers 
   // (prints 1 1 1900 if there are no customers in the database)
   void outputFirstDate() const;

   // returns the customer name that's first in case insensitive alphabetical order 
   // (returns "" if there are no customers in the database)
   String2002 getFirstName() const;

};