// CoffeeShop.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
using namespace std;
#include <iomanip>
#include <vector>
#include <list>
#include <string>

// Easy-to-edit Menu
char Menu() {
    int option;
    cout << "\nWelcome to my coffee shop!" << endl;
    cout << "\nPlease select an item you would like to order: " << endl;
    cout << "1. Coffee" << endl;
    cout << "2. Tea" << endl;
    cout << "3. Soda" << endl;
    cout << "4. Juice" << endl;
    cout << "5. Special Item" << endl;
    cout << "9. Exit" << endl;

    option = cin.get();

    if (option == '\n') {
        option = 0;
    }
    return option;
}

// Class for Special Items
class SpecialItem
{

    public:
        SpecialItem(string s, double p, int n) {
            title = s;
            price = p;
            amount = n;
        }

        string title;
        double price;
        int amount;

        void setValues(string s, double p, int n) { title = s, price = p, amount = n; }

        string getName() { return title; }
        double getPrice() { return price; }
        int getAmount() { return amount; }
};

int main()
{
    bool isOrdering = true;
    // Declare all standard items with their prices
    double coffee = 2.50, tea = 2.25, soda = 1.85, juice = 2.00;
    // Declare amount of each item, initialize it to 0.
    int amountCoffee = 0, amountTea = 0, amountSoda = 0, amountJuice = 0;

    list<SpecialItem> SpecialItems;

    char option = 1;
    int input;
    int quantity;
    double orderTotal = 0;

    // Ordering Loop
    do {
        option = Menu();
        switch (option) {
        case '1':
            if (amountCoffee == 0) {
                cout << "\nYou would like to order coffee, great!" << endl;
                cout << "Coffee costs $" << coffee << " each." << endl;
                cout << "\nPlease enter the quantity: ";
                cin >> quantity;
            }
            else {

                cout << "You have already ordered coffee!" << endl;
                cout << "Would you like to change your order?" << endl;
                cout << "Input 1 if you would like to change the amount of coffee." << endl;
                cin >> input;
                if (input != 1) {
                    break;
                }
                else {
                    cout << "Coffee costs $" << setprecision(2) << coffee << " each." << endl;
                    cout << "Please enter the new amount of coffee: ";
                    cin >> quantity;
                }
            }
            amountCoffee = quantity;
            cout << "\nYou have ordered " << amountCoffee << " coffees. " << endl;
            break;
        case '2':
            if (amountTea == 0) {
                cout << "\nYou would like to order tea, great!" << endl;
                cout << "\nPlease enter the quantity: ";
                cin >> quantity;
            }
            else {
                cout << "You have already ordered tea!" << endl;
                cout << "Input 1 if you would like to change the amount of tea." << endl;
                cin >> input;
                if (input != 1) {
                    break;
                }
                else {
                    cout << "Please enter the new amount of tea: ";
                    cin >> quantity;
                }
            }
            amountTea = quantity;
            cout << "\nYou have ordered " << amountTea << " teas. " << endl;
            break;
        case '3':
            if (amountSoda == 0) {
                cout << "\nYou would like to order soda, great!" << endl;
                cout << "\nPlease enter the quantity: ";
                cin >> quantity;
            }
            else {
                cout << "You have already ordered soda!" << endl;
                cout << "Input 1 if you would like to change the amount of soda." << endl;
                cin >> input;
                if (input != 1) {
                    break;
                }
                else {
                    cout << "Please enter the new amount of soda: ";
                    cin >> quantity;
                }
            }
            amountSoda = quantity;
            cout << "\nYou have ordered" << amountSoda << " sodas. " << endl;
            break;
        case '4':
            if (amountJuice == 0) {
                cout << "\nYou would like to order juice, great!" << endl;
                cout << "\nPlease enter the quantity: ";
                cin >> quantity;
            }
            else {
                cout << "You have alreadered ordered juice!" << endl;
                cout << "Input 1 if you would like to change the amount of soda." << endl;
                cin >> input;
                if (input != 1) {
                    break;
                }
                else {
                    cout << "Please enter the new amount of juice: ";
                    cin >> quantity;
                }
            }
            cout << "\nYou have ordered " << amountJuice << " juices. " << endl;
            amountJuice = quantity;
            break;
        case '5':
        {
            string name;
            double price;
            int quantity;
            cout << "\nYou've chosen to order a special item, yay!" << endl;
            cout << "\nPlease enter the name of the item: ";
            cin.ignore();
            getline(cin, name);
            cout << "\nPlease enter the price of the item: ";
            cin >> price;
            cout << "\nFinally, enter the quantity of the item: ";
            cin >> quantity;

            SpecialItem item(name, quantity, price);

            SpecialItems.push_front(item);

            cout << "\nThank you for ordering a special item!" << endl;
            cout << "You ordered " << quantity << " " << name << "s at $" << price << " each." << endl;
            break;
        }
        case '0':
        {
            cout << "Thank you for your order!" << endl;
            cout << "\nYou ordered: " << endl;
            if (amountCoffee != 0) {
                cout << amountCoffee << " coffees" << endl;
            }
            if (amountTea != 0) {
                cout << amountTea << " teas" << endl;
            }
            if (amountSoda != 0) {
                cout << amountSoda << " sodas" << endl;
            }
            if (amountJuice != 0) {
                cout << amountJuice << " juices" << endl;
            }

            list<SpecialItem>::iterator it;
            for (it = SpecialItems.begin(); it != SpecialItems.end(); it++) {
                string name = it->title;
                double price = it->price;
                int quantity = it->amount;

                cout << quantity << " " << name << "s, at $" << price << " each." << endl;
                orderTotal += price * quantity;
            }

            orderTotal += (coffee * amountCoffee) + (tea * amountTea) + (soda * amountSoda) + (juice * amountJuice);


            cout << "Your orders comes to a total of $" << setprecision(2) << orderTotal << endl;
            cout << "Thank you, and enjoy your items!";
            break;
        }
        case '9':
                isOrdering = false;
                break;
        }
    } while (isOrdering = true);

    return 0;
}