-___-

import javax.swing.*;
import java.util.ArrayList;
import java.util.Random;
import java.util.Scanner;

public class freestyler {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.printf("Please enter your username: ");
        String role = input.next();
        if (role.equals("admin")) {
            admin admin = new admin(role); //Object reference
        } else {
            user user = new user(role);
        }
    }
}

class admin {
    private String login = "admin"; ///   WHY THO??????!!!!
    private String password = "password";
    private String uLogin;
    private Boolean authorized = false;
    public admin(String objN) { // Constructor
        this.uLogin = objN;
        authorized = authorization.authorize(uLogin);
        if (!authorized) {
            System.exit(0);
        }
        selection();
    }
    private String last_access = System.getProperty("user.name");
    static Scanner admin_input = new Scanner(System.in);
    String last_admin() { // Accessor
        return this.last_access;
    } //Accessor
    void approveOrder(String a) { // Mutator
        this.last_access = a;
        System.out.printf("Enter number of order for approval: ");
        String number = "#" + admin_input.next();
        order.setStatus(true, number);
    }
    void shipOrder(String a) {
        this.last_access = a;
        System.out.printf("Enter number of order for shipping: ");
        String number = "#" + admin_input.next();
        order.setStatus(false, number);
    }
    void newOrders(String a) {
        this.last_access = a;
        order.getOrders();
    }
    void selection () {
        Object[] tasks = {"Approve", "Ship", "New orders", "Last admin" };
        String last_user = System.getProperty("user.name");
        int todo = JOptionPane.showOptionDialog(null, "What you want to do with orders?", "Select", JOptionPane.DEFAULT_OPTION, JOptionPane.QUESTION_MESSAGE, null, tasks, tasks[0]);
        switch (todo) { // Control structure
            case 0:
                approveOrder(last_user);
                break;
            case 1:
                shipOrder(last_user);
                break;
            case 2:
                newOrders(last_user);
                break;
            default:
                System.out.println("Last accessed by: " + last_admin());
                break;
        }
    }
}

class user {
    private String[] login = {"user1", "user2", "user3"}; ///   WHY THO??????!!!!
    private String[] password = {"password1", "password2", "password3"};
    private String uLogin;
    private Boolean authorized = false;
    public user(String objN) {
        this.uLogin = objN;
        authorized = authorization.authorize(uLogin);
        if (!authorized) {
            System.exit(0);
        }
        newOrder();
    }
    String[] selectItem() {return item.newItem();}
    ArrayList<String[]> order() {
        ArrayList<String[]> item = new ArrayList<>();
        item.add(selectItem());
        while (true) {
            if (JOptionPane.showConfirmDialog(null,
                    "Order more items?", "More items", JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION) {
                item.add(selectItem());
            } else {
                break;
            }
        }
        return item;
    }
    ArrayList<String[]> final_order () {
        System.out.println("Start your order");
        ArrayList<String[]> toReturn = order();
        receipt.generateReceipt(toReturn);
        return toReturn;
    }
    void payment_procedure() {
        ArrayList<String[]> toProceed = final_order();
        Boolean payment_succed = payment.calculate(toProceed);
        if (payment_succed) {
            order.createNew();
        } else {
            System.out.println("Order cancelled");
            System.exit(0);
        }
    }
    void newOrder() {
        payment_procedure();
    }
}

class item {
    static String[] newItem (){
        double price = 10 + Math.random() * 140; // Math 1
        String[] categories = { "Men", "Women", "Children" }; // Array
        int category = JOptionPane.showOptionDialog(null,"Select category", "Category", JOptionPane.DEFAULT_OPTION, JOptionPane.QUESTION_MESSAGE, null, categories, categories[0]);
        String[] types = { "Top", "Pants", "Skirts", "Dress", "Others"};
        int type = JOptionPane.showOptionDialog(null, "Select type", "Type", JOptionPane.DEFAULT_OPTION, JOptionPane.QUESTION_MESSAGE, null, types, types[0]);
        String[] colors = { "White", "Black", "Gray", "Blue", "Red", "Green", "Yellow"};
        int color = JOptionPane.showOptionDialog(null, "Select color", "Color", JOptionPane.DEFAULT_OPTION, JOptionPane.QUESTION_MESSAGE, null, colors, colors[0]);
        String[] sizes = {"S", "M", "L", "XL"};
        int size = JOptionPane.showOptionDialog(null, "Select size", "Size", JOptionPane.DEFAULT_OPTION, JOptionPane.QUESTION_MESSAGE, null, sizes, sizes[0]);
        String[] item = {categories[category], types[type], colors[color], sizes[size], Double.toString(Math.round(price*100.000)/100.000)}; // Math 2 + String 1
        return item;
    }
}

class payment {
    static Boolean calculate (ArrayList<String[]> toProceed) {
        double total = 0;
        float typecast = (float) total; // Typecasting
        total = (double) typecast;
        int i = 0;
        for (String[] orderList: toProceed) {
            i++;
            double price = Double.parseDouble(orderList[orderList.length-1]);
            total += price;
        }
        if (i >= 10) {
            total = total / 100.000 * 90.000;
        }
        System.out.println("Total price: " + Math.round(total*100.000)/100.000);
        return true;
    }
}

class receipt {
    static Boolean generateReceipt(ArrayList<String[]> toReturn) {
        System.out.println("You have ordered: ");
        int i = 0;
        for (String[] orderList: toReturn) {
            i++;
            System.out.printf("%d. ", i);
            for (String orderItem : orderList) {
                System.out.printf("%s ", orderItem);
            }
            System.out.printf("\n");
        }
        if (i >= 10) {
            System.out.println("Enjoy your 10% discount for bulk order");
        }
        if (JOptionPane.showConfirmDialog(null,
                "Proceed with payment?", "Payment", JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION) {
            return true;
        } else {
            return false;
        }
    }
}

class order {
    static Random rand = new Random();
    private static String orderStatus, orderID;
    static void createNew() {
        orderID = "#" + rand.nextInt(999999999) + 100000000;
        System.out.println("Order " + orderID + " created and sent to approval");
    }
    static void setStatus(Boolean i, String orderIDN) {
        orderID = orderIDN;
        if (i) {
            orderStatus = "APPROVED";
            System.out.println("Order " + orderID  + " " + orderStatus);
            System.out.println("Message sent to customer");
        } else {
            orderStatus = "SHIPPED";
            System.out.println("Order " + orderID  + " " + orderStatus);
            System.out.println("Message sent to customer");
        }
    }
    static void getOrders() {
        System.out.println("New orders");
        for (int i = 0; i <= 15; i++) {
            int number = rand.nextInt(999999999) + 100000000;
            System.out.println("Order #" + number);
        }
    }
}

class authorization {
    static Scanner input = new Scanner(System.in);
    static private String[] login = {"user1", "user2", "user3", "admin"}; // Single Array
    static private String[] password = {"password1", "password2", "password3", "password"};
    static Boolean authorize (String uLogin){
        Boolean authorized = false;
        System.out.printf("Please enter your password: ");
        String secret = input.next();
        for (int i = 0; i <= login.length-1; i++) {
            if (uLogin.equals(login[i]) && secret.equals(password[i])) { //String 2
                    authorized = true;
            }
        }
        if (authorized) {
            System.out.println("Authorization completed");
        } else {
            System.out.println("Authorization failed");
            System.exit(0);
        }
        return authorized;
    }
}

/* README

Credentials:

admin:password
user1:password1
user2:password2
user3:password3


 */