#include <iomanip>
#include <cmath>
using namespace std;
void printMenu(float value_meal[4][3]);
void getType(int& num_meal);
void getSize(char& size_type,int num_meal);
void getQty(int& meal_qty,int& num_meal,char size_type);
void assignArrayNum(char size_type,int& size_num,int& num_meal);
void priceMeal(int& num_meal,int& size_num,float value_meal[4][3],int& meal_qty,float& total_price);
void printSideDish(float& side_dish1,float& side_dish2,float& side_dish3);
void getSideDishType(int& sd_num);
void getSideDishQty(int& sd_qty,int& sd_num);
void priceSideDish(int& sd_num,int& sd_qty,float& side_dish1,float& side_dish2,float& side_dish3,float& total_sdPrice);
void calcGrossPrice(double& sum_meal,double& sum_sd,double& gross_price);
void calcDiscount(char& member,double& gross_price);
void calcTax(float& final_price,double& gross_price);
void calcPayment(float& money_paid,float& final_price,float& money_change);
void printReceipt(int iteration_meal,float num_total_price[],double sum_meal,int iteration_sd,float num_total_sdPrice[],
double sum_sd,char member,double gross_price,float final_price,float money_paid,float money_change);
int main()
{
float value_meal[4][3]={{5,5.5,6},
{6.5,7,7.5},
{8,8.5,9},
{9.3,9.6,9.8}};
float side_dish1=2.5;
float side_dish2=1.5;
float side_dish3=3.0;
int num_meal;
char size_type;
int meal_qty;
int size_num;
float total_price;
int sd_num;
int sd_qty;
float total_sdPrice;
double gross_price;
char member;
float final_price;
int addorder;
int iteration_meal=0;
int iteration_sd=0;
float num_total_price[iteration_meal];
float num_total_sdPrice[iteration_sd];
double sum_meal;
double sum_sd;
float money_paid;
float money_change;
printMenu(value_meal);
do
{
getType(num_meal);
getSize(size_type,num_meal);
getQty(meal_qty,num_meal,size_type);
assignArrayNum(size_type,size_num,num_meal);
priceMeal(num_meal,size_num,value_meal,meal_qty,total_price);
num_total_price[iteration_meal]=total_price;
cout<<endl;
cout<<"Enter 1 to add order and 0 to proceed"<<endl;
cin>>addorder;
iteration_meal++;
}while(addorder==1);
for(int i=0;i<iteration_meal;i++)
{
sum_meal=sum_meal+num_total_price[i];
}
cout<<setprecision(2)<<fixed;
printSideDish(side_dish1,side_dish2,side_dish3);
do
{
getSideDishType(sd_num);
getSideDishQty(sd_qty,sd_num);
priceSideDish(sd_num,sd_qty,side_dish1,side_dish2,side_dish3,total_sdPrice);
num_total_sdPrice[iteration_sd]=total_sdPrice;
cout<<endl;
cout<<"Enter 1 to add order and 0 to proceed"<<endl;
cin>>addorder;
iteration_sd++;
}while(addorder==1);
for(int i=0;i<iteration_sd;i++)
{
sum_sd=sum_sd+num_total_sdPrice[i];
}
cout<<setprecision(2)<<fixed;
calcGrossPrice(sum_meal,sum_sd,gross_price);
calcDiscount(member,gross_price);
calcTax(final_price,gross_price);
calcPayment(money_paid,final_price,money_change);
printReceipt(iteration_meal,num_total_price,sum_meal,iteration_sd,num_total_sdPrice,sum_sd,member,gross_price,final_price,
money_paid,money_change);
system("pause");
return 0;
}
void printMenu(float value_meal[4][3])
{
cout<<setprecision(2)<<fixed;
cout<<"The Menu that we offer and its price is \n"<<endl;
cout<<"Menu Name Size(S) Size(M) Size(L)"<<endl;
for(int i=0;i<4;i++)
{
cout<<"Mc Value "<<i+1<<" ";
for(int j=0;j<3;j++)
{
cout<<value_meal[i][j]<<" ";
}
cout<<" \n";
}
}
void getType(int& num_meal)
{
cout<<"-------------------------------------------------------------------------------"<<endl;
cout<<endl;
cout<<"Which number of Mc Value you want to order?"<<endl;
cin>>num_meal;
while(num_meal!=1&&num_meal!=2&&num_meal!=3&&num_meal!=4)
{
cout<<"The number of value meal you want is not available.Please re-enter: "<<endl;
cin>>num_meal;
}
}
void getSize(char& size_type,int num_meal)
{
cout<<endl;
cout<<"Which size type you want to order for McValue number "<<num_meal<<" ?"<<endl;
cin>>size_type;
while(size_type!='s'&&size_type!='S'&&size_type!='m'&&size_type!='M'&&size_type!='l'&&size_type!='L')
{
cout<<"The size of value meal is not available.Please re-enter(s,m or l only): "<<endl;
cin>>size_type;
}
}
void getQty(int& meal_qty,int& num_meal,char size_type)
{
cout<<endl;
cout<<"How many Mc Value number "<<num_meal<<"("<<size_type<<" size) did you want to order?"<<endl;
cin>>meal_qty;
}
void assignArrayNum(char size_type,int& size_num,int& num_meal)
{
if(size_type=='s')
size_num=0;
else if(size_type=='m')
size_num=1;
else if(size_type=='l')
size_num=2;
num_meal=num_meal-1;
}
void priceMeal(int& num_meal,int& size_num,float value_meal[4][3],int& meal_qty,float& total_price)
{
cout<<endl;
total_price=(value_meal[num_meal][size_num])*meal_qty;
cout<<"Your total meal price is: "<<value_meal[num_meal][size_num]<<" x "<<meal_qty<<" = "<<total_price<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
}
void printSideDish(float& side_dish1,float& side_dish2,float& side_dish3)
{
cout<<"-------------------------------------------------------------------------------"<<endl;
cout<<endl;
cout<<"The menu of side dishes that we offer and its price \n"<<endl;
cout<<"Side Dish Name Price"<<endl;
cout<<"1)Coleslaw "<<side_dish1<<endl;
cout<<"2)Ice Cream "<<side_dish2<<endl;
cout<<"3)Potato Chip "<<side_dish3<<endl;
}
void getSideDishType(int& sd_num)
{
cout<<"-------------------------------------------------------------------------------"<<endl;
cout<<endl;
cout<<"Which number of side dish did you want to order?"<<endl;
cin>>sd_num;
while(sd_num!=1&&sd_num!=2&&sd_num!=3)
{
cout<<"The number of side dish you want is not available.Please re-enter: "<<endl;
cin>>sd_num;
}
}
void getSideDishQty(int& sd_qty,int& sd_num)
{
cout<<endl;
cout<<"How many side dish num "<<sd_num<<" did you want to order?"<<endl;
cin>>sd_qty;
}
void priceSideDish(int& sd_num,int& sd_qty,float& side_dish1,float& side_dish2,float& side_dish3,float& total_sdPrice)
{
if(sd_num==1)
{
total_sdPrice=side_dish1*sd_qty;
cout<<endl;
cout<<"Your total side dish price is: "<<side_dish1<<" x "<<sd_qty<<" = "<<total_sdPrice<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
}
else if(sd_num==2)
{
total_sdPrice=side_dish2*sd_qty;
cout<<endl;
cout<<"Your total side dish price is: "<<side_dish2<<" x "<<sd_qty<<" = "<<total_sdPrice<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
}
else if(sd_num==3)
{
total_sdPrice=side_dish3*sd_qty;
cout<<endl;
cout<<"Your total side dish price is: "<<side_dish3<<" x "<<sd_qty<<" = "<<total_sdPrice<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
}
}
void calcGrossPrice(double& sum_meal,double& sum_sd,double& gross_price)
{
gross_price=sum_meal+sum_sd;
cout<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
cout<<"Total value meal price is : "<<sum_meal<<endl;
cout<<"Total side dish price is : "<<sum_sd<<endl;
cout<<"Your Gross price is : "<<gross_price<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
}
void calcDiscount(char& member,double& gross_price)
{
cout<<endl;
cout<<"Are you the member of McDonals?Enter y for yes and n for no: "<<endl;
cin>>member;
cout<<endl;
if(member=='y')
{
gross_price=gross_price*0.8;
cout<<"Your gross price after discount 20% is: "<<gross_price<<endl;
}
}
void calcTax(float& final_price,double& gross_price)
{
final_price=(gross_price*0.03)+gross_price;
cout<<"Your final price after tax of 3% is : "<<final_price<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
}
void calcPayment(float& money_paid,float& final_price,float& money_change)
{
cout<<"Your final price after tax of 3% is : "<<final_price<<endl;
cout<<"Your payment is \t\t : ";
cin>>money_paid;
while(money_paid<final_price)
{
cout<<"You pay less than the final price.Please add another "<<abs(money_paid-final_price)<<endl;
cout<<"Your payment is \t\t : ";
cin>>money_paid;
}
money_change;
money_change=money_paid-final_price;
cout<<"Your change is \t\t\t : "<<money_change<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
}
void printReceipt(int iteration_meal,float num_total_price[],double sum_meal,int iteration_sd,float num_total_sdPrice[],double sum_sd,char member,double gross_price,float final_price,
float money_paid,float money_change)
{
cout<<endl;
cout<<"Your receipt: "<<endl;
cout<<"Value meal price: "<<endl;
for(int i=0;i<iteration_meal;i++)
{
cout<<"\t\t "<<i+1<<".Order "<<num_total_price[i]<<endl;
}
cout<<setprecision(2)<<fixed;
cout<<"\t\t Total="<<sum_meal<<endl;
cout<<"Side dish price: "<<endl;
for(int i=0;i<iteration_sd;i++)
{
cout<<"\t\t "<<i+1<<".Order "<<num_total_sdPrice[i]<<endl;
}
cout<<setprecision(2)<<fixed;
cout<<"\t\t Total="<<sum_sd<<endl;
if(member=='y')
{
cout<<"Gross price after discount 20% is = "<<gross_price<<endl;
}
else
{
cout<<"Gross price is = "<<gross_price<<endl;
}
cout<<"Final price after tax of 3% is = "<<final_price<<endl;
cout<<"Your payment is \t\t = "<<money_paid<<endl;
cout<<"Your change is \t\t\t = "<<money_change<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
cout<<" THANK YOU AND COME AGAIN "<<endl;
cout<<"-------------------------------------------------------------------------------"<<endl;
}