/*********************************************************************
  C201 Computer Programming II
  Fall 2006
  Dana Vrajitoru &

  A class to represent the inventory of a shop.

**********************************************************************/

#include "inventory.h"
#include <iostream>
using namespace std;

// Prototypes for functions defined here.
void Print_menu();
void Execute_menu(char option, Inventory &shop);

int main()
{
  Inventory shop;
  // An example of opening a file with an absolute path:
  // shop.Input_file("O:/C201/Programs/h8_sol/data8.txt"); 

  // The following is a relative file name. The program will look for
  // it in the current directory.
  shop.Input_file("data8.txt");
  char option = '\0';
  while (option != 'q' && option != 'Q') {
    Print_menu();
    cin >> option;
    Execute_menu(option, shop);
  }
  return 0;
}

void Print_menu()
{
  cout << "Choose an action from the following:" << endl
       << "[A] Add a new item to the stock" << endl
       << "[I] Increase the quantity of an existing item" << endl
       << "[S] Sell aq uantity of an existing item" << endl
       << "[P] Print the entire stock" << endl
       << "[Q] quit" << endl;
}

void Execute_menu(char option, Inventory &shop)
{
  switch (option) {
  case 'q':
  case 'Q':
    cout << "Goodbye." << endl;
    break;
  case 'a':
  case 'A':
    shop.Add_new();
    break;
  case 'i':
  case 'I':
    shop.Add_by_name();
    break;
  case 's':
  case 'S':
    shop.Sell_by_name();
    break;
  case 'p':
  case 'P':
    shop.Output_all();
    break;   
  }
}