//Caitlin Schipper
//Program to calculate meal discounts for the "Schipper Catering Service"
//1010-W1 PASS5
#include<iostream>
#include<iomanip>
using namespace std;

double meal_discount(int qty, double cost_each, double discount_percent, int order_over);
//Return the meal prices after discount for each type of meal.

int main ()
{
        int brkfst_qty, lunch_qty, dinner_qty;
        double subtotal, sales_tax, total_due;

        const double tax = 0.10;

        const double brkfst_cost_each = 5.50;
        const double lunch_cost_each = 9.50;
        const double dinner_cost_each = 16.50;

        const double brkfst_discount_percent = 0.10;
        const double lunch_discount_percent = 0.15;
        const double dinner_discount_percent = 0.12;

        const int brkfst_order_over = 10;
        const int lunch_order_over = 15;
        const int dinner_order_over = 8; 
         
        cout<<setiosflags(ios::fixed|ios::showpoint)<<setprecision(2);
         
        cout<<"Welcome to the Schipper Catering Service.\n"<<endl;
        cout<<"Enter the number of breakfasts ordered: ";
        cin>>brkfst_qty;
        cout<<"Enter the number of lunches ordered: ";
        cin>>lunch_qty;
        cout<<"Enter the number of dinners ordered: ";
        cin>>dinner_qty; 
        cout<<endl<<endl;
    
        cout<<"                      Schipper Catering Service                      "<<endl;
        cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"<<endl;
        cout<<"Meal          Quantity     Cost     Discount     Cost After Discount"<<endl;
        cout<<"Breakfast     "<<brkfst_qty<<"     "<<meal_discount(brkfst_qty, brkfst_cost_each, brkfst_discount_percent, brkfst_order_over)<<endl;
        cout<<"Lunch         "<<lunch_qty<<"     "<<meal_discount(lunch_qty, lunch_cost_each, lunch_discount_percent, lunch_order_over)<<endl;
        cout<<"Dinner        "<<dinner_qty<<"     "<<meal_discount(dinner_qty, dinner_cost_each, dinner_discount_percent, dinner_order_over)<<endl;
        cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"<<endl;
        subtotal = 1;
        sales_tax = subtotal * tax;
        total_due = subtotal + sales_tax;
        cout<<"Subtotal                                                     "<<subtotal<<endl;
        cout<<"Sales Tax                                                    "<<sales_tax<<endl;
        cout<<"Total Due                                                    "<<total_due<<endl;
        return 0;
}

double meal_discount(int qty, double cost_each, double discount_percent, int order_over)
{
        double cost, discount, cost_after_discount;

        if (qty > order_over)
                {
                        cost = qty * cost_each;
                        discount = cost * discount_percent;
                        cost_after_discount = cost - discount;
                        cout<<cost<<"     "<<discount<<"     "<<cost_after_discount;
                }
        else
                {
                        cost = qty * cost_each;
                        discount = 0.00;
                        cost_after_discount = cost;
                        cout<<cost<<"     "<<discount<<"     "<<cost_after_discount;
                }
}

<< "- and we have " << fruit << " fruits in all";