/*****
*  Author: Dion Hulse
* Program: ISY00245 - Principals of Programming - CA2
* Version: 1
*    Date: 17/August/06
* Purpose: Display the name of a entered month, 
^           and optionally, the number of days in the month
*
*****/

#include <iostream> //Basic Input/Output
#include <string> //String handling

using namespace std;

void funcDisplayMonthName(int& intMonth); //Function to Display the month Name
void funcDisplayMonthDays(int& intMonth); //Function to Display the number of 
                                          //days in a month
void funcGetInputMonth(int& intMonth);    //Function to input the month number
bool funcGetInputMonthDays(void);         //Function to ask to know the number 
                                          //of days in a month
int main()
{
   int intMonth; //Store the number of the month in. Passed as reference to most
                 //functions.
   funcGetInputMonth(intMonth); // Retrieve the input month
   funcDisplayMonthName(intMonth); //Display the name of the given month
   
   if(funcGetInputMonthDays() == true) //If user wants to see the number of days
   {                                   //in a month
      funcDisplayMonthDays(intMonth);  //Displays number of days in month
   }
   //system("cmd /c pause"); //CygWin pause command.
   return 0;
} //End main

/**
* Function to display the name of the month.
* Accepts: int intMonth: number of the month
* Returns: void.
**/
void funcDisplayMonthName(int& intMonth)
{
   cout << "The name of the " << intMonth << " Month is ";
   switch(intMonth) //Switch the month number, and display the month name
   {
      case 1:
         cout << "January";
         break;
      case 2:
         cout << "February";
         break;
      case 3:
         cout << "March";
         break;
      case 4:
         cout << "April";
         break;
      case 5:
         cout << "May";
         break;
      case 6:
         cout << "June";
         break;
      case 7:
         cout << "July";
         break;
      case 8:
         cout << "August";
         break;
      case 9:
         cout << "September";
         break;
      case 10:
         cout << "October";
         break;
      case 11:
         cout << "November";
         break;
      case 12:
         cout << "December";
         break;
      default:
         cout << "Invalid Month";
         break;
   } //End switch(intMonth)
   cout << "." << endl;
   return;
}//End funcDisplayMonthName

/**
* Function to display the number of days in a month
* Accepts: int intMonth: number of the month
* Returns: void.
**/
void funcDisplayMonthDays(int& intMonth)
{
   cout << "In the " << intMonth << " Month there is ";
   switch(intMonth) //Switch on month name to determine number of days in month.
   {
      case 1:
      case 3:
      case 5:
      case 7:
      case 8:
      case 10:
      case 12:
         cout << "31";
         break;
      case 4:
      case 6:
      case 9:
      case 11:
         cout << "30";
         break;
      case 2:
         cout << "28";
         break;
      default:
         cout << "Invalid Month";
         break;
   } //End switch(intMonth)
   cout << " Days." << endl;
   return;
}//End funtDisplayMonthDays

/**
* Function to accept input of month number
* Accepts: int intMonth: number of the month
* Returns: void.
**/
void funcGetInputMonth(int& intMonth)
{
   cout << "Please enter the number of the month you wish to view:\t";
   cin >> intMonth;
   return;
}//End funcGetInputMonth

/**
* Function to accept, and determine, whether or not to display the number of
* days in a month.
* Accepts: void.
* Returns: bool true on y answer, bool false on any other answer.
**/
bool funcGetInputMonthDays(void)
{
   string stringAnswer; //String to store result into from keyboard.
   cout << "Do you wish to view the number of days in the month? [y/N] ";
   cin >> stringAnswer;
   
   if("y" == stringAnswer || "Y" == stringAnswer)
   {
      return true;
   } else {
      return false;  
   }
}//End funcGetInputMonthDays