//
//  main.cpp
//  Vending Machine V3
//
//  Created by Zach Mather on 01/12/2017.
//  Copyright © 2017 Zach Mather. All rights reserved.




//  This was built in Xcode so run in Xcode for marking



#include <iostream>

using namespace std;

int main() {
    float money;
    float dolla;
    float money1;
    string drinks[10] = {"Cola","Sprite","7-up","Pepsi","Water","Iron-Bru","Vimto","Lucizade", "Lilt", "Dr-Pepper"};
     int price = 1;
    string crisps[10] = {"Galaxy", "Cadbury", "Freddo" ,  "Snickers", "Twix","KitKat" ,"M&M's","Wispa", "Marsbar", "Double Decker"};
    double priceC[] = {0.65,0.55,0.55,0.60,0.80,0.75,0.60,0.55,0.55,0.65};
    string choc[10] = {"Cheese & Onion" ,"Prawn Cocktail","Ready Salted", "Salt & Vinegar", "Flaming Hot" ,"Sweet Chilli","BBQ",  "Nacho Cheese" , "Pickeled Onion", "Paprika"};
    double priceChoc[] = {0.85,0.80,0.75,0.80,0.85,0.80,0.75,0.80,0.75,0.75};
//     using the arays allowed me to easily output a name of the drink and not have to use individual switch statments for each drink chosen

    string finalChoice[50];
    int arrayCounter = 0;




    int food;
//    this is the users choice for each item, the max value it can be is 10 as there are 10 choices.
    int choice;
    bool flag1 = true;
    bool flag2 = true;
    bool flag3 = true;
//    bool flag 1 and 2 are used to loop the switch incase the user enters a number bigger than 10
//    flag 3 is used to loop the whole code if the user wants another snack and has enough money

    float bal;
//    bal changes depending on what the user buys and is then updated to become to new balance if the code is run again if the user wants another snack
    char answer;
//    canswer is the users answer if they want another snack again or not



    cout << "Welcome to SnackTastic, The worlds best vending machine" << endl;
    cout << "Please insert your money by typing in the amout you have" << endl;
    cin >> money;
    while (cin.fail()){
        cin.clear();
        cin.ignore();
        cout << "Please enter a number" << endl;
        cin >> money;
    }
//    this stops the user from entering a letter instead of a number.

    if (money < 1){
        while (money < 1){

        money1 = money;
        cout << "Sorry you dont have enough money for a snack" << endl;
        cout << "Your balance is £" << money << endl;
        cout << "You need atleast £1 to buy a snack" << endl;
            cout << "Please insert some more money" << endl;
        cin >> dolla;
        while (cin.fail()){
            cin.clear();
            cin.ignore();
            cout << "Please enter a number" << endl;
            cin >> dolla;
  }
        money = money1+dolla;
        }
    }
//    allows the user to enter more money
    while (flag3 == true) {
        flag1 = true;
        flag2 = true;
//        this sets the bools to true again after the code has done a cycle, without this the user cannot order another snack




        cout << "You have £" << money << endl;

        cout << "Would you like a Drink or Chocolate or Crisps" << endl;
        cout << "1 = Drink,  2 = Chocolate,  3 = Crisps " << endl;

        cin >> choice;

        if (choice > 3 || choice < 1)
        {
            cout << "Please enter a number btween 1 and 3" << endl;
            flag3 = true;
            continue;
        }

        while (cin.fail()){
            cin.clear();
            cin.ignore();
            cout << "Please enter a number" << endl;
            cin >> choice;
        }
//        this stops the user from breaking the switch by entering a letter instead of a number



        while (flag2 == true) {
//            this repeats the switch is the users enters the defult bracket


            switch (choice) {



                    //        Drink
                case 1:
                    while (flag1 == true) {
                        cout << "Please choose a type of Drink by entering the number." << endl;
                        cout << "1 = Cola, 2 = Sprite, 3 = 7-up, 4 = Pepsi, 5 = Water" << endl;
                        cout << "6 = Iron-Bru, 7 = Vimto, 8 = Lucizade, 9 = Lilt, 10 = Dr-Pepper" << endl;


                        cin >> food;
                        while (cin.fail()){
                            cin.clear();
                            cin.ignore();
                            cout << "Please enter a number between 1 and 10" << endl;
                            cin >> food;
                        }


                        if ( food <= 10 && food > 0){
                            cout << "You chose a " << drinks[food-1]  << " that was £" << price << endl;
                            finalChoice[arrayCounter] = drinks[food-1];
                            arrayCounter++;
                            bal = money - price;
                            cout << "Your new balance is £" << bal << endl;
                            flag1 = false;
                            flag2 = false;
                        }else{
                            cout << "Error, please choose a number between 1 and 10" << endl;

                        }
                    }
                    break;


                    //        Chocolate
                case 2:
                    while (flag1 == true){
                        cout << "Please choose a flavour of Chocolate by entering the number." << endl;
                        cout << "1 = Galaxy, 2 = Cadbury, 3 = Freddo,  4 = Snickers, 5 = Twix" << endl;
                        cout << "6 = KitKat, 7 = M&M's, 8 = Wispa, 9 = Marsbar, 10 = Double Decker" << endl;
                        cin >> food;
                        while (cin.fail()){
                            cin.clear();
                            cin.ignore();
                            cout << "Please enter a number between 1 and 10" << endl;
                            cin >> food;
                        }
                        if ( food<= 10 && food > 0){
                            cout << "You chose a " << crisps[food-1]  << " that was £" << priceChoc[food-1] << endl;
                            finalChoice[arrayCounter] = crisps[food-1];
                            arrayCounter++;
                            bal = money - priceChoc[food-1];
                            cout << "Your new balance is £" << bal << endl;
                            flag1 = false;
                            flag2 = false;
                        }else{
                            cout << "Error, please choose a number between 1 and 10" << endl;

                        }
                    }
                    break;


                    //        Crisp


                case 3:
                    while (flag1 == true){
                        cout << "Please choose a flavour of Crisp by entering the number." << endl;
                        cout << "1 = Cheese & Onion, 2 = Prawn Cocktail, 3 = Ready Salted" << endl;
                        cout << "4 = Salt & Vinegar, 5 = Flaming Hot, 6 = Sweet Chilli" << endl;
                        cout << "7 = BBQ, 8 = Nacho Cheese, 9 = Pickeled Onion, 10 = Paprika" << endl;
                        cin >> food;
                        while (cin.fail()){
                            cin.clear();
                            cin.ignore();
                            cout << "Please enter a number between 1 and 10" << endl;
                            cin >> food;
                        }
                        if ( food<= 10 && food > 0 ){
                            cout << "You chose " << choc[food-1]  << "  flavour crisps that was £" << priceC[food-1] << endl;
                            finalChoice[arrayCounter] = choc[food-1];
                            arrayCounter++;
                            bal = money - priceC[food-1];
                            cout << "Your new balance is £" << bal << endl;
                            flag1 = false;
                            flag2 = false;
                        }else{
                            cout << "Error, please choose a number between 1 and 10" << endl;

                        }
                    }
                    break;
                    //       if the number is not within the parameter
                default:
                    cout << "Error, please chose a number between 1 and 3" << endl;

                    break;

            }

//            if (bal < 1){
//                while (money < 1){
//
//                    money1 = money;
//                    cout << "Sorry you dont have enough money for a snack" << endl;
//                    cout << "Your balance is " << money << endl;
//                    cout << "You need atleast £1 to buy a snack" << endl;
//                    cout << "Please insert some more money" << endl;
//                    cin >> dolla;
//                    while (cin.fail()){
//                        cin.clear();
//                        cin.ignore();
//                        cout << "Please enter a number" << endl;
//                        cin >> dolla;
//                    }
//                    money = money1+dolla;
//                }
//                    }
//
//                return 0;
//            }

            money = bal;
            cout << "Would you like another snack?" << endl;
            cout << "Y or N" << endl;
            cin >> answer;






            if (toupper(answer) == 'Y' && money >0.55) {
                // toupper is a very useful as it means the user doesn't have to enter a uppercase letter, the program will still work

                flag3 = true;

            }

                      else if  (toupper(answer) == 'Y' && money < 1) {

                          while (money < 1){

                              money1 = money;
                              cout << "Sorry you dont have enough money for a snack" << endl;
                              cout << "Your balance is " << money << endl;
                              cout << "You need atleast £1 to buy a snack" << endl;
                              cout << "Please insert some more money" << endl;
                              cin >> dolla;
                              while (cin.fail()){
                                  cin.clear();
                                  cin.ignore();
                                  cout << "Please enter a number" << endl;
                                  cin >> dolla;
                              }
                              money = money1+dolla;
                          }
                          flag3 = true;
                      }

            else if  (toupper(answer) == 'N') {
                flag3 = false;
                cout << "Your change is £" << bal << endl;
                cout << "Enjoy your ";
                for (int x = 0; x<50; x++){
                    if (finalChoice[x]!=""){
                        if(arrayCounter == 1)
                        {
                        cout << finalChoice[x] << "";
                            if (choice == 3){
                                cout << " crisps";
                            }
                        }
                        else
                        {
                            cout << finalChoice[x];

                            if(finalChoice[x+2] != "")
                            {
                                cout << ", ";
                            }
                            else if(finalChoice[x+1] != "")
                            {
                            cout << " and ";
                            }

                        }
                    }
                }cout << endl;


        }

        }




    }
    return 0;


    }