// This program will assist the High Adventure Travel Agency
// in calculating the costs of their 4 major vacation packages.
#include <iostream>
#include <iomanip>
using namespace std;

// Constants for the charges.
const double CLIMB_RATE = 350.0;       // Base rate - Devil's Courthouse
const double SCUBA_RATE = 1000.0;      // Base rate - Bahamas
const double SKY_DIVE_RATE = 400.0;    // Base rate - Sky diving
const double CAVE_RATE = 700.0;        // Base rate - Spelunking
const double CLIMB_INSTRUCT = 100.0;   // Climbing instruction
const double SCUBA_INSTRUCT = 100.0;   // Scuba instruction
const double DAILY_CAMP_RENTAL = 40.0; // Daily camping equipment rental
const double DAY_LODGE_1 = 65.0;       // Lodging option (sky diving)
const double DAY_LODGE_2 = 120.0;      // Lodging option (sky diving)

// Function prototypes
void climbing();
void scuba();
void skyDive();
void spelunk();
int menu();

int main()
{
   int selection;

   cout << fixed << showpoint << setprecision(2);
   do
   {
      selection = menu();
      switch(selection)
      {
         case 1 : climbing();
                  break;
         case 2 : scuba();
                  break;
         case 3 : skyDive();
                  break;
         case 4 : spelunk();
                  break;
         case 5 : cout << "Exiting program.\n\n";
      }
   } while (selection != 5);
   return 0;
}

//******************************************************
// Definition of function menu.                        *
// Displays the main menu and asks the user to select  *
// an option. Returns an integer in the range 1 - 5.   *
//******************************************************

int menu()
{
   int choice;

   cout << "High Adventure Travel Agency\n";
   cout << "----------------------------\n";
   cout << "1) Devil's Courthouse Adventure Weekend\n";
   cout << "2) Scuba Bahama\n";
   cout << "3) Sky Dive Colorado\n";
   cout << "4) Barron Cliff Spelunk\n";
   cout << "5) Exit Program\n\n";
   cout << "Enter 1, 2, 3, 4, or 5: ";
   cin >> choice;
   while (choice < 1 || choice > 5) // Validate input
   {
      cout << "Invalid Selection. Enter 1, 2, 3, 4, or 5: ";
      cin >> choice;
   }
   return choice;
}

//*************************************************
// Definition of climbing function.               *
// This function calculates the charges for the   *
// Devil's Courthouse Adventure Weekend package.  *
//*************************************************

void climbing()
{
   int   beginners,     // Those needing instruction
         advanced,      // Those not needing instruction
         needEquip;     // Those renting camping equipment
   double baseCharges,  // Base charges
         charges,       // Total charges
         instruction,   // Cost of instruction
         equipment,     // Cost of equipment rental
         discount = 0,  // Discount
         deposit;       // Required deposit

   cout << "\nDevil's Courthouse Adventure Weekend\n";
   cout << "------------------------------------\n";
   cout << "How many will be going who need an instructor? ";
   cin >> beginners;
   cout << "How many advanced climbers will be going? ";
   cin >> advanced;
   cout << "How many will rent camping equipment? ";
   cin >> needEquip;
   // Calculate base charges.
   baseCharges = (beginners + advanced) * CLIMB_RATE;
   charges = baseCharges;
   // Calculate 10% discount for 5 or more.
   if ((beginners + advanced) > 4)
   {
      discount = (charges * .1);
      charges -= discount;
   }
   // Add cost of instruction.
   instruction = beginners * CLIMB_INSTRUCT;
   charges += instruction;
   // Add cost of camping equipment rental
   equipment = needEquip * DAILY_CAMP_RENTAL * 4;
   charges += equipment;
   // Calculate required deposit.
   deposit = charges / 2.0;
   cout << "Number in party: " << (beginners + advanced);
   cout << endl;
   cout << "Base charges: $" << baseCharges << endl;
   cout << "Instruction cost: $" << instruction << endl;
   cout << "Equipment Rental: $" << equipment << endl;
   cout << "Discount: $" << discount << endl;
   cout << "Total Charges: $" << charges << endl;
   cout << "Required Deposit: $" << deposit << endl << endl;
}

//************************************************
// Definition of scuba function.                 *
// This function calculates the charges for the  *
// Scuba Bahama package.                         *
//************************************************

void scuba()
{
   int    beginners,     // Those needing instruction
          advanced;      // Those not needing instruction
   double baseCharges,   // Base charges
          charges,       // Total charges
          instruction,   // Cost of instruction
          discount = 0,  // Discount
          deposit;       // Required deposit

   cout << "\nScuba Bahama\n";
   cout << "------------------------------------\n";
   cout << "How many will be going who need an instructor? ";
   cin >> beginners;
   cout << "How many advanced scuba divers will be going? ";
   cin >> advanced;
   // Calculate base charges.
   baseCharges = (beginners + advanced) * SCUBA_RATE;
   charges = baseCharges;
   // Calculate 10% discount for 5 or more.
   if ((beginners + advanced) > 4)
   {
      discount = (charges * .1);
      charges -= discount;
   }
   // Add cost of instruction.
   instruction = beginners * SCUBA_INSTRUCT;
   charges += instruction;

   // Calculate required deposit.
   deposit = charges / 2.0;
   cout << "Number in party: " << (beginners + advanced);
   cout << endl;
   cout << "Base charges: $" << baseCharges << endl;
   cout << "Instruction cost: $" << instruction << endl;
   cout << "Discount: $" << discount << endl;
   cout << "Total Charges: $" << charges << endl;
   cout << "Required Deposit: $" << deposit << endl << endl;
}

//************************************************
// Definition of skyDive function.               *
// This function calculates the charges for the  *
// Sky Dive Colorado package.                    *
//************************************************

void skyDive()
{
   int    party,         // Number in party
          lodge1,        // Number at 1st lodging choice
          lodge2;        // Number at 2nd lodging choice
   double baseCharges,   // Base charges
          charges,       // Total charges
          discount = 0,  // Discount
          lodging,       // Cost of lodging
          deposit;       // Required deposit

   cout << "\nSky Dive Colorado\n";
   cout << "------------------------------------\n";
   cout << "How many will be going? ";
   cin >> party;
   // Calculate base charges.
   baseCharges = party * SKY_DIVE_RATE;
   charges = baseCharges;
   // Calculate 10% discount for 5 or more.
   if (party > 4)
   {
      discount = (charges * .1);
      charges -= discount;
   }
   // Calculate lodging costs.
   cout << "How many will stay at Wilderness Lodge? ";
   cin >> lodge1;
   cout << "How many will stay at Luxury Inn? ";
   cin >> lodge2;
   lodging = (lodge1 * DAY_LODGE_1) + (lodge2 * DAY_LODGE_2);
   charges += lodging;

   // Calculate required deposit.
   deposit = charges / 2.0;
   cout << "Number in party: " << party << endl;
   cout << "Base charges: $" << baseCharges << endl;
   cout << "Lodging: $" << lodging << endl;
   cout << "Discount: $" << discount << endl;
   cout << "Total Charges: $" << charges << endl;
   cout << "Required Deposit: $" << deposit << endl << endl;
}

//************************************************
// Definition of spelunk function.               *
// This function calculates the charges for the  *
// Barron Cliff Spelunk package.                 *
//************************************************

void spelunk()
{
   int    party,          // Number in party
          needEquip;      // Those renting camping equipment
   double baseCharges,    // Base charges
          charges,        // Total charges
          equipment,      // Cost of equipment rental
          discount = 0,   // Discount
          deposit;        // Required deposit

   cout << "\nBarron Cliff Spelunk Weekend\n";
   cout << "------------------------------------\n";
   cout << "How many will be going? ";
   cin >> party;
   cout << "How many will rent camping equipment? ";
   cin >> needEquip;
   // Calculate base charges.
   baseCharges = party * CAVE_RATE;
   charges = baseCharges;
   // Calculate 10% discount for 5 or more.
   if (party > 4)
   {
      discount = (charges * .1);
      charges -= discount;
   }
   // Add cost of camping equipment rental
   equipment = needEquip * DAILY_CAMP_RENTAL * 4;
   charges += equipment;

   // Calculate required deposit.
   deposit = charges / 2.0;
   cout << "Number in party: " << party << endl;
   cout << "Base charges: $" << baseCharges << endl;
   cout << "Equipment Rental: $" << equipment << endl;
   cout << "Discount: $" << discount << endl;
   cout << "Total Charges: $" << charges << endl;
   cout << "Required Deposit: $" << deposit << endl << endl;
}