/*
 * File: addressBook.cpp
 * Purpose: Implementation of the AddressBook class.
 */

#include "addressBook.h"

//add and delete return true on success false on failure
bool 
AddressBook::addContact(Contact &c) {
  //address book is full 
  if(count >= MAXCONTACTS) {
    return false; 
  }

  //put the contact onto the array
  contacts[count++] = c;

  return true;
}


bool 
AddressBook::deleteContact(std::string name) {
  int i;

  //find the doomed contact
  i = search(name);
  if(i == -1)
    return false;   //not found, so not deleted

  //shift array back
  for(int j=i+1; j<count; j++) {
    contacts[j-1] = contacts[j];
  }

  //one less item in the array
  count--;

  return true;
}
 
//returns the index of the contact, -1 on failure
int 
AddressBook::search(std::string name) {
  //look for the contact
  for(int i=0; i<count; i++) {
    //if we find it, return the index
    if(contacts[i].getName() == name) {
      return i;
    }
  }

  //if we reach this point, it's not there
  return -1;
}


//returns the number of items in the contact
int 
AddressBook::getCount() {
  return count;
}

//returns a reference to the contact at position i
Contact &
AddressBook::at(int i) {
  return contacts[i];
}