20/6/17

package assignment;

import java.util.ArrayList;
import java.util.Scanner;

public class core{
    private static Scanner input;
    private String account;
    private ArrayList<String> username = new ArrayList<String>();
    private ArrayList<String> password = new ArrayList<String>();
    private ArrayList<String> userOrder = new ArrayList<String>();
    private ArrayList<String> shipStatus = new ArrayList<String>();
    private ArrayList<String> orderStatus = new ArrayList<String>();
    private ArrayList<Top> top = new ArrayList<Top>();
    private ArrayList<Pant> pant = new ArrayList<Pant>();
    private ArrayList<Dress> dress = new ArrayList<Dress>();
    private ArrayList<Skirt> skirt = new ArrayList<Skirt>();
    Top tempT = new Top();
    Pant tempP = new Pant();
    Dress tempD = new Dress();
    Skirt tempS = new Skirt();
    public static void main(String[] args) {
        int x = 0;
        boolean bool = true;
        core run = new core();
        input = new Scanner(System.in);
        do{
            switch (x) {

            case 0:
                x = run.mainMenu();
                break;
            case 1:
                x = run.admin();
                break;
            case 2:
                x = run.user();
                break;
            case 3:
                x = run.userLogin();
                break;
            case 4:
                x = run.userReg();
                break;
            case 5:
                x = run.userMenu();
                break;
            case 6:
                x = run.userShop();
                break;
            case 7:
                x = run.userStatus();
                break;
            case 8:
                x = run.adminMenu();
                break;
            case 9:
                x = run.adminNewOrder();
                break;
            case 10:
                x = run.adminAllOrder();
                break;
            default:
                bool = false;
                System.out.println(x);
                break;
            }
        } while (bool);
    }

    private int mainMenu(){
        System.out.println("Welcome to FreeStyler Online Apparels");
        System.out.println("Login As:\n(1)Admin\n(2)User");
        boolean bool = true;
        String n;
        do {
            try{
                n = input.nextLine();
            } catch (Exception e) {
                System.out.println("Invalid input, " + e);
                System.out.println("Login As:\n(1)Admin\n(2)User");
                continue;
            }
            if (n.equals("1")){
                bool = false;
                return 1;
            }
            else if (n.equals("2")){
                bool = false;
                return 2;
            }
            else {
                System.out.println("Invalid input, please try again");
                System.out.println("Login As:\n(1)Admin\n(2)User");
                continue;
            }
        }while(bool);
        return 0;
    }
    private int admin(){
        boolean bool = true;
        String user, pass = null;
        do {
            System.out.println("-1 to back");
            System.out.print("Username: ");
            try {
                user = input.nextLine();
            } catch (Exception e){
                System.out.println("Error: " + e);
                continue;
            }
            if (backtrack(user)){
                bool = false;
                return 0;
            }
            System.out.print("Password: ");
            try{
                pass = input.nextLine();
            } catch (Exception e){
                System.out.println("Error: " + e);
            }

            if (backtrack(pass)){
                bool = false;
                return 0;
            }
            else if (user.equals("admin") && pass.equals("admin")){
                System.out.println("Login Successfully");
                System.out.println();
                bool = false;
                return 8;
            }
            else {
                System.out.println("Invalid username or password");
            }
        }while (bool);
        return 0;
    }

    private int user(){
        String x;

        boolean bool;
        do {
            bool = false;
            System.out.println("-1 to back");
            System.out.println("(1)Login\n(2)Register");
            try{
                x = input.nextLine();
            }
            catch (Exception e){
                System.out.println("Invalid input, " + e);
                continue;
            }

            if (x.equals("1")){
                return 3;
            }
            else if (x.equals("2")){
                return 4;
            }
            else if (x.equals("-1")){
                return 0;
            }
            else {
                System.out.println("Invalid input, please try again");
                bool = true;
                continue;
            }
        }while(bool);
        return 0;
    }

    private int adminMenu(){
        String x = null;
        int update = 0;
        boolean bool;

        do{
            loadOrder();
            bool = true;
            for (int i = 0; i < userOrder.size(); i++) {
                if (orderStatus.get(i).equals("Pending")){
                    update++;
                }
            }
            if (update > 0 ){
                System.out.println(update + " new order! Enter 1 to view new order");
            }
            System.out.println("(1)View new orders [" + update +"]\n(2)View all orders\n(3)Log Out");
            try{
                x = input.nextLine();
            }
            catch (Exception e){
                System.out.println("Invalid input, " + e);
            }
            switch (x) {
                case "1":
                    bool = false;
                    return 9;
                case "2":
                    bool = false;
                    return 10;
                case "3":
                    bool = false;
                    return 0;
                default:
                    bool = true;
                    System.out.println("Invalid input, please try again");
            }
        }while(bool);
        return 0;
    }

    private int adminNewOrder(){
        boolean bool, valid;
        String x;
        int y;

        do {
            y = 0;
            valid = false;
            loadOrder();
            bool = true;
            System.out.println("-1 to back");
            System.out.println("Pending Orders");
            for (int i = 0; i < userOrder.size(); i++) {
                if (orderStatus.get(i).equals("Pending")){
                    System.out.println("Order #" + i);
                    System.out.println("Username that order: " + userOrder.get(i));
                    if(((Top)top.get(i)).amount > 0){
                        System.out.printf("%s %s %s (%s) x %d\n", ((Top)top.get(i)).group, ((Top)top.get(i)).type, ((Top)top.get(i)).color, ((Top)top.get(i)).size, ((Top)top.get(i)).amount);
                    }
                    if(((Pant)pant.get(i)).amount > 0){
                        System.out.printf("%s %s %s (%s) x %d\n", ((Pant)pant.get(i)).group, ((Pant)pant.get(i)).type, ((Pant)pant.get(i)).color, ((Pant)pant.get(i)).size, ((Pant)pant.get(i)).amount);
                    }
                    if(((Dress)dress.get(i)).amount > 0){
                        System.out.printf("%s %s %s (%s) x %d\n", ((Dress)dress.get(i)).group, ((Dress)dress.get(i)).type, ((Dress)dress.get(i)).color, ((Dress)dress.get(i)).size, ((Dress)dress.get(i)).amount);
                    }
                    if(((Skirt)skirt.get(i)).amount > 0){
                        System.out.printf("%s %s %s (%s) x %d\n", ((Skirt)skirt.get(i)).group, ((Skirt)skirt.get(i)).type, ((Skirt)skirt.get(i)).color, ((Skirt)skirt.get(i)).size, ((Skirt)skirt.get(i)).amount);
                    }
                }
            }
            System.out.print("Enter the order number to accept order and shipping: #");
            try{
                x = input.nextLine();
                y = Integer.parseInt(x);
            }
            catch (Exception e){
                System.out.println("Invalid input , " + e);
            }
            for (int i = 0; i < userOrder.size(); i++) {
                if (orderStatus.get(i).equals("Pending") && y == i){
                    valid = true;
                    setStatus(i);
                    System.out.println("Order #" + i + " order and shipping accepted");
                    bool = true;
                    continue;
                }
            }
            if (backtrack(y)){
                bool = false;
                return 8;
            }
            else if (!valid){
                System.out.println("Invalid input, please try again");
                bool = true;
                continue;
            }
        }while (bool);
        return 0;
    }

    private int adminAllOrder(){
        boolean bool;
        String x;
        int y;
        do {
            y = 0;
            bool = true;
            System.out.println("List of all orders");
            for (int i = 0; i < userOrder.size(); i++) {
                System.out.println("Order #" + i);
            }
            System.out.println("-1 to back");
            System.out.println("Enter order number to view more information of that order");
            try {
                x = input.nextLine();
                y = Integer.parseInt(x);
            }
            catch (Exception e){
                System.out.println("Invalid input, " + e);
            }
            if (y < userOrder.size() && y >= 0){
                System.out.println("Order Number #" + y);
                System.out.println("Username that order: " + userOrder.get(y));
                if(((Top)top.get(y)).amount > 0){
                    System.out.printf("%s %s %s (%s) x %d\n", ((Top)top.get(y)).group, ((Top)top.get(y)).type, ((Top)top.get(y)).color, ((Top)top.get(y)).size, ((Top)top.get(y)).amount);
                }
                if(((Pant)pant.get(y)).amount > 0){
                    System.out.printf("%s %s %s (%s) x %d\n", ((Pant)pant.get(y)).group, ((Pant)pant.get(y)).type, ((Pant)pant.get(y)).color, ((Pant)pant.get(y)).size, ((Pant)pant.get(y)).amount);
                }
                if(((Dress)dress.get(y)).amount > 0){
                    System.out.printf("%s %s %s (%s) x %d\n", ((Dress)dress.get(y)).group, ((Dress)dress.get(y)).type, ((Dress)dress.get(y)).color, ((Dress)dress.get(y)).size, ((Dress)dress.get(y)).amount);
                }
                if(((Skirt)skirt.get(y)).amount > 0){
                    System.out.printf("%s %s %s (%s) x %d\n", ((Skirt)skirt.get(y)).group, ((Skirt)skirt.get(y)).type, ((Skirt)skirt.get(y)).color, ((Skirt)skirt.get(y)).size, ((Skirt)skirt.get(y)).amount);
                }
                System.out.println("Order confirm: " + orderStatus.get(y));
                System.out.println("Shipping confirm: " + shipStatus.get(y));
                System.out.println();
                System.out.println("Press Enter to continue");
                input.nextLine();
                bool = true;
                continue;
            }
            else if (backtrack(y)){
                bool = false;
                return 8;
            }
            else {
                System.out.println("Invalid input, please try again");
                bool = true;
                continue;
            }
        }while(bool);
        return 0;
    }

    private int userLogin(){
        boolean bool = true;
        String user, pass = null;
        loadDat();
        do{
            System.out.println("-1 to back");
            System.out.print("Username: ");
            try {
                user = input.nextLine();
            } catch (Exception e){
                System.out.println("Error: " + e);
                continue;
            }
            if (backtrack(user)){
                bool = false;
                return 2;
            }
            System.out.print("Password: ");
            try{
                pass = input.nextLine();
            } catch (Exception e){
                System.out.println("Error: " + e);
            }
            if (backtrack(pass)){
                bool = false;
                return 2;
            }
            else {
                for (int i = 0; i < this.username.size(); i++) {
                    if (user.equals(this.username.get(i)) && pass.equals(this.password.get(i))){
                        System.out.println("Login Successfully");
                        System.out.println();
                        bool = false;
                        account = this.username.get(i);
                        return 5;
                    }
                }
                System.out.println("Invalid username or password");
            }
        }while(bool);
        return 0;
    }

    private int userReg(){
        String user, pass;
        boolean bool = true;
        boolean bool2 = false;
        boolean taken;
        loadDat();
        System.out.println("-1 to back");
        System.out.println("Register as");

        do{
            taken = false;
            System.out.print("Username: ");
            user = input.nextLine();
            if (backtrack(user)){
                return 2;
            }

            for (int i = 0; i < this.username.size(); i++) {
                if (user.equals(this.username.get(i))){
                    System.out.println("Username taken, please take different username");
                    taken = true;
                    continue;
                }
            }

            if (taken){
                continue;
            }

            else if(user.contains(" ")){
                System.out.println("Username or password cannot contain space");
                continue;
            }

            else {
                do {
                    bool2 = false;
                    System.out.print("Password: ");
                    pass = input.nextLine();
                    if (backtrack(pass)){
                        return 2;
                    }
                    else if (pass.contains(" ")){
                        System.out.println("Username or password cannot contain space");
                        bool2 = true;
                        continue;
                    }
                    else {
                        addDat(user, pass);
                        System.out.println("Account created successfully");
                        bool = false;
                        return 2;
                    }
                }while(bool2);
            }
        }while(bool);
        return 0;
    }

    private int userMenu(){
        boolean bool = true;
        String x = null;
        System.out.println("Welcome back, " + account);
        do{

            System.out.println("(1)Shop\n(2)Status\n(3)Log Out");
            try {
                x = input.nextLine();
            } catch (Exception e) {
                System.out.println("Invalid input, " + e);
            }
            if (x.equals("1")){
                bool = false;
                return 6;
            }
            else if (x.equals("2")){
                bool = false;
                return 7;
            }
            else if (x.equals("3")){
                bool = false;
                return 0;
            }
            else {
                System.out.println("Invalid input, please try again");
            }
        }while(bool);
        return 0;
    }

    private int userShop(){
        boolean bool, bool2, bool3, checkOut;
        int x, color, size = 0, amount;
        String in;
        String c, s, g, t;
        do {
            checkOut = false;
            System.out.println("-1 to back, clear cart");
            System.out.println("Men\tWomen\n(1)Top\t(3)Dress\n(2)Pant\t(4)Skirt\n(5)View cart\n(6)Checkout");
            try {
                in = input.nextLine();
                x = Integer.parseInt(in);
            }
            catch(Exception e){
                System.out.println("Invalid input, " + e);
                continue;
            }
            if (x >= 1 && x <= 4){
                do{
                    bool = true;
                    System.out.println("-1 to back");
                    System.out.println("Choose a color:");
                    System.out.println("(1)White\n(2)Black\n(3)Red\n(4)Green\n(5)Blue");
                    try {
                        in = input.nextLine();
                        color = Integer.parseInt(in);
                    }
                    catch (Exception e){
                        System.out.println("Invalid input, " + e);
                        continue;
                    }
                    if (color >= 1 && color <= 5){
                        do {
                            bool2 = true;
                            System.out.println("-1 to back");
                            System.out.println("Choose a size:");
                            System.out.println("(1)S\n(2)M\n(3)L");
                            try {
                                in = input.nextLine();
                                size = Integer.parseInt(in);
                            }
                            catch (Exception e){
                                System.out.println("Invalid input, " + e);
                                continue;
                            }
                            if (size >= 1 && size <= 3){
                                do {
                                    bool3 = true;
                                    System.out.println("-1 to back");
                                    System.out.print("Amount: ");
                                    try {
                                        in = input.nextLine();
                                        amount = Integer.parseInt(in);
                                    }
                                    catch (Exception e){
                                        System.out.println("Invalid input, " + e);
                                        continue;
                                    }
                                    if (amount < 1){
                                        System.out.println("Amount cannot less than 1");
                                        continue;
                                    }
                                    else if (backtrack(amount)){
                                        bool3 = false;
                                        break;
                                    }
                                    else {
                                        g = gGet(x);
                                        c = cGet(color);
                                        s = sGet(size);
                                        t = tGet(x);
                                        addCart(t, c, s, amount);
                                        System.out.printf("%s %s %s (%s) x %d added to cart\n\n", g, t, c, s, amount);
                                        bool = false;
                                        bool2 = false;
                                        bool3 = false;
                                    }
                                } while (bool3);
                            }
                            else if(backtrack(size)){
                                bool2 = false;
                                break;
                            }
                            else {
                                System.out.println("Invalid input, please try again");
                            }
                        }while(bool2);
                    }
                    else if (backtrack(color)){
                        bool = false;
                        break;
                    }
                    else {
                        System.out.println("Invalid input, please try again");
                    }
                }while(bool);
            }
            else if(x == 5){
                if (tempT.amount >= 1){
                    System.out.printf("%s %s %s (%s) x %d\n", tempT.group, tempT.type, tempT.color, tempT.size, tempT.amount);
                }
                if (tempP.amount >= 1){
                    System.out.printf("%s %s %s (%s) x %d\n", tempP.group, tempP.type, tempP.color, tempP.size, tempP.amount);
                }
                if (tempD.amount >= 1){
                    System.out.printf("%s %s %s (%s) x %d\n", tempD.group, tempD.type, tempD.color, tempD.size, tempD.amount);
                }
                if (tempS.amount >= 1){
                    System.out.printf("%s %s %s (%s) x %d\n", tempS.group, tempS.type, tempS.color, tempS.size, tempS.amount);
                }
                System.out.println();
                System.out.println("Press Enter to continue\n");
                input.nextLine();
            }
            else if(x == 6){
                addOrder(account);
                checkOut = true;
                loadOrder();
                System.out.println("Thanks\nYour order number is #" + (userOrder.size() - 1) + "\nPlease come again!\n");
                return 5;
            }
            else if(backtrack(x)){
                tempT.amount = 0;
                tempP.amount = 0;
                tempD.amount = 0;
                tempS.amount = 0;
                return 5;
            }
            else {
                System.out.println("Invalid input, try again");
            }
        }while(!checkOut);
        return 0;
    }

    private int userStatus(){
        loadOrder();
        boolean order = false;

        for (int i = 0; i < this.userOrder.size(); i++) {
            if (this.userOrder.get(i).equals(account)){
                System.out.println();
                order = true;
                System.out.println("Order #" + i);
                if(((Top)top.get(i)).amount > 0){
                    System.out.printf("%s %s %s (%s) x %d\n", ((Top)top.get(i)).group, ((Top)top.get(i)).type, ((Top)top.get(i)).color, ((Top)top.get(i)).size, ((Top)top.get(i)).amount);
                }
                if(((Pant)pant.get(i)).amount > 0){
                    System.out.printf("%s %s %s (%s) x %d\n", ((Pant)pant.get(i)).group, ((Pant)pant.get(i)).type, ((Pant)pant.get(i)).color, ((Pant)pant.get(i)).size, ((Pant)pant.get(i)).amount);
                }
                if(((Dress)dress.get(i)).amount > 0){
                    System.out.printf("%s %s %s (%s) x %d\n", ((Dress)dress.get(i)).group, ((Dress)dress.get(i)).type, ((Dress)dress.get(i)).color, ((Dress)dress.get(i)).size, ((Dress)dress.get(i)).amount);
                }
                if(((Skirt)skirt.get(i)).amount > 0){
                    System.out.printf("%s %s %s (%s) x %d\n", ((Skirt)skirt.get(i)).group, ((Skirt)skirt.get(i)).type, ((Skirt)skirt.get(i)).color, ((Skirt)skirt.get(i)).size, ((Skirt)skirt.get(i)).amount);
                }
                System.out.println("Order confirm: " + orderStatus.get(i));
                System.out.println("Shipping confirm: " + shipStatus.get(i));
            }
        }
        if (!order){
            System.out.println();
            System.out.println("Empty, you did not order anything in the past");
        }
        System.out.println("\nPress Enter to continue");
        input.nextLine();
        return 5;
    }

    private void loadDat(){
        readWrite read = new readWrite();
        read.openWrite("login.txt");
        read.openRead("login.txt");
        read.readDat();
        username.clear();
        password.clear();
        for (int i = 0; i < read.user.size(); i++) {
            this.username.add(read.user.get(i));
            this.password.add(read.pass.get(i));
        }
        read.closeRead();
    }


    private void addDat(String user, String pass){
        readWrite write = new readWrite();
        write.openWrite("login.txt");
        write.openRead("login.txt");
        write.readDat();
        write.closeRead();
        write.user.add(user);
        write.pass.add(pass);
        write.openWrite("login.txt");
        write.writeDat();
        write.closeWrite();
    }

    private void loadOrder(){
        readWrite readOrder = new readWrite();
        readOrder.openWrite("order.txt");
        readOrder.openRead("order.txt");
        readOrder.readStatus();
        userOrder.clear();
        orderStatus.clear();
        shipStatus.clear();
        top.clear();
        pant.clear();
        dress.clear();
        skirt.clear();
        for (int i = 0; i < readOrder.userOrder.size(); i++) {
            this.userOrder.add(readOrder.userOrder.get(i));
            this.orderStatus.add(readOrder.orderStatus.get(i));
            this.shipStatus.add(readOrder.shipStatus.get(i));
            this.top.add(readOrder.top.get(i));
            this.pant.add(readOrder.pant.get(i));
            this.dress.add(readOrder.dress.get(i));
            this.skirt.add(readOrder.skirt.get(i));
        }
    }

    private void addOrder(String user){
        readWrite write = new readWrite();
        write.openWrite("order.txt");
        write.openRead("order.txt");
        write.readStatus();
        write.closeRead();
        write.userOrder.add(user);
        write.orderStatus.add("Pending");
        write.shipStatus.add("Pending");
        write.top.add(tempT);
        write.pant.add(tempP);
        write.dress.add(tempD);
        write.skirt.add(tempS);
        write.writeOrder();
        write.closeWrite();
    }

    private void setStatus(int orderNumber){
        readWrite write = new readWrite();
        write.openWrite("order.txt");
        write.openRead("order.txt");
        write.readStatus();
        write.closeRead();
        write.orderStatus.set(orderNumber, "Accepted");
        write.shipStatus.set(orderNumber, "Accepted");
        write.writeOrder();
        write.closeWrite();
    }

    private boolean backtrack(String back){
        if (back.equals("-1")){
            return true;
        }
        else {
            return false;
        }
    }

    private boolean backtrack(int back){
        if (back == -1){
            return true;
        }
        else {
            return false;
        }
    }

    private String gGet(int x){
        if (x == 1 || x == 2){
            return "Men";
        }
        else if (x == 3 || x == 4){
            return "Women";
        }
        else {
            return "Invalid";
        }
    }

    private String tGet(int x){
        if (x == 1){
            return "Top";
        }
        else if (x == 2){
            return "Pant";
        }
        else if (x == 3){
            return "Dress";
        }
        else if (x == 4){
            return "Skirt";
        }
        else {
            return "Invalid";
        }
    }

    private String cGet(int x){
        if (x == 1){
            return "White";
        }
        else if (x == 2){
            return "Black";
        }
        else if (x == 3){
            return "Red";
        }
        else if (x == 4){
            return "Green";
        }
        else if (x == 5){
            return "Blue";
        }
        else {
            return "Invalid";
        }
    }

    private String sGet(int x){
        if (x == 1){
            return "S";
        }
        else if (x == 2){
            return "M";
        }
        else if (x == 3){
            return "L";
        }
        else {
            return "Invalid";
        }
    }

    private void addCart(String t, String c, String s, int amount){
        if (t.equals("Top")){
            tempT.amount = amount;
            tempT.color = c;
            tempT.size = s;
            tempT.group = "Men";
        }
        else if (t.equals("Pant")){
            tempP.amount = amount;
            tempP.color = c;
            tempP.size = s;
            tempP.group = "Men";
        }
        else if (t.equals("Dress")){
            tempD.amount = amount;
            tempD.color = c;
            tempD.size = s;
            tempD.group = "Women";
        }
        else if (t.equals("Skirt")){
            tempS.amount = amount;
            tempS.color = c;
            tempS.size = s;
            tempS.group = "Women";
        }
    }
}