cart_main.cpp

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

vector<Product> allProducts = {
	Product(1,"apple",26),
	Product(2,"mango",16),
	Product(3,"gauva ",36),
	Product(4,"banana",56),
	Product(5,"strawberry",29),
	Product(6,"pineapple",20),
};

Product* chooseProduct(){
	//Display the list of products 
	string productlist;
	cout << "Avialable Products " << endl;
	for(auto product : allProducts){
		productlist.append(product.getDisplayName());
	}
	cout << productlist << endl;
	
	cout <<"---------------------" << endl;
	string choice;
	cin>> choice;
	for(int i=0; i< allProducts.size(); i++){
		if(allProducts[i].getShortName() == choice){
			return &allProducts[i];
		}
	}
	cout<<"Product not found!" << endl;
	return NULL;
}

bool checkout(Cart &cart){
	if(cart.isEmpty()){
		return false;
	}
	
	int total = cart.getTotal();
	cout << "Pay in Cash";
	
	int paid;
	cin >> paid;
	
	if(paid>=total){
		cout <<"Change " << paid - total << endl;
		cout << "Thank you for shopping!";
		return true;
	}else{
		cout<<"Not enough cash!";
		return false;
	}
}

int main(){
	
	char action;
	Cart cart;
	
	while(true){
		cout << "Select an action - (a)dd item, (v)iew cart, (c)heckout" << endl;
		cin >> action;
		
		if(action == 'a'){
			//Add to cart 
			//View all the Products + choose a product + Add to cart
			Product * product = chooseProduct();
			if(product!=NULL){
				cout <<"Added to the Cart " << product -> getDisplayName() << endl;
				cart.addProduct(*product);
			}
			
			
			
		}else if(action  == 'v'){
			//View the cart
			cout<< "-------------------------" << endl;
			cout<< cart.viewCart();
			cout<<"--------------------------"<< endl;
		}
		else{
			//Checkout
			cart.viewCart();
			if(checkout(cart)){
				break;
			}
		}
	}
	
	
	return 0;
}