import java.util.Scanner;
import java.text.DecimalFormat;
import java.io.IOException;

//Dit is een store open met een javac Shop.java in cmd en daarna java Shop
public class Shop {

//Global DATATYPE
int x = 0; //Banana begint met 0
int y = 0; //Cherry begint met 0
int z = 0; //Apple begint met 0
int totalItems;
int totalItemsOutput;
double tax = 0.21;
double stotal;
double total;
double answer;
double total2;
double stotal2;
double answer3;
/*Note voor uitleg over de code ga na merlijn
Store met een Shop
menu = Main page
Browse products = Waar je spullen kan kopen pro();
Current Balance = rekent de prijs die je zou moeten betalen als je af rekent currentBal();
Check out = waar je afbetaald en totale prijs met belasting wordt betaald check();
Cancel gaat meestal 1 scherm terug met een y / n msg of je echt wilt afsluiten als het kan*/

public static void main(String[] args) {
    System.out.println("------------------------------------------------------------------------------------------------------------------------");
    System.out.println();
    System.out.println();
    System.out.println();
    System.out.println("\tCopyright -- Made 11-10-2017 First verison");
    System.out.println("\tStore Made be Merlijn mg1b - Java 1.8 devkit");
    System.out.println("\tVersion 0.1 Alva");
    System.out.println("\tAddition information, found ad [Website here]\n");
    System.out.println();
    System.out.println();
    System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
    Shop f = new Shop();
    f.menu();
  }

  public void menu()// main home page
  {
    try
    {
          Scanner kb = new Scanner(System.in);
          totalItems = x + y + z;
          totalItemsOutput = totalItems;
          System.out.println("------------------------------------------------------------------------------------------------------------------------\n");
          System.out.println("\tYour basket contains: " + x + " Banana(s) and "
          + y + " Cherry(ies) and " + z + " Apple(s) " + "you have " + totalItemsOutput + " total items" + "\n\tWelcome to the Store," + "\n\tPlease choose on option, 1-4"
          + "\n\t1. Browse Products" + "\n\t2. Current Balance" + "\n\t3. Check out" + "\n\t4. Cancel");
          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
          byte ch = kb.nextByte();

          if (ch ==1)
            pro();
          else if (ch == 2)
            currentBal();
          else if (ch == 3)
            check();
          else if (ch == 4)
          {
            try
              {
                System.out.println("------------------------------------------------------------------------------------------------------------------------");
                System.out.println("\tYou wanna exit out. Choose one of the options. (1-2)"
                 + "\n\t1. Go to menu" + "\n\t2. Exit");
                System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                byte var = kb.nextByte();
                if (var == 1)
                menu();
                else if (var == 2)
                {
                    try
                        {
                                Scanner kb5 = new Scanner(System.in);
                                System.out.println("------------------------------------------------------------------------------------------------------------------------");
                                System.out.println("\tDo you want to stay in the Store? (y/n)");
                                System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                                String a5 = kb5.nextLine();

                                char a6 = a5.charAt(0);

                                if (a6 == 'y' || a6 == 'Y')
                                {
                                    menu();
                                }
                                else if(a6 == 'n' || a6 == 'N')
                                {
                                  System.exit(0);
                                }
                                else
                                {
                                  System.out.println("------------------------------------------------------------------------------------------------------------------------");
                                  System.out.println("\tInvalid Input.");
                                  System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                                    pro();
                            }
                        }
                        catch (Exception e)
                        {
                          System.out.println("------------------------------------------------------------------------------------------------------------------------");
                          System.out.println("\tInvalid Input.");
                          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                          menu();
                        }
                      }
              }
              catch (Exception e)
              {
                System.out.println("------------------------------------------------------------------------------------------------------------------------");
                System.out.println("\tInvalid Input.");
                System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                check();
              }
          }
          else if (ch <= 0 || ch > 4)
          {
            System.out.println("------------------------------------------------------------------------------------------------------------------------");
            System.out.println("\tInvalid Input.");
            System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
            menu();
          }
    }
    catch (Exception e)
    {
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tInvalid Input.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }
  }
  public void currentBal()//zegt currentBal gaat daarna terug na menu();
  {
    Scanner kb = new Scanner(System.in);
    DecimalFormat f = new DecimalFormat("$#,##0.00");

    if (x > 0 && y == 0 && z == 0) //Banana alleen
    {
      total = x * 2.00;
      stotal = total * tax;
      answer = stotal + total;
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tYou've currently purchased " + x + " Banana(s) for " + f.format(answer)
      + " including tax.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }
    else if (y > 0 && x == 0 && z == 0)//Cherry alleen
    {
      total = y * 1.00;
      stotal = total * tax;
      answer = stotal + total;
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tYou've currently purchased " + y + " Cherry(ies) for " + f.format(answer)
      + " including tax.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }
    else if (z > 0 && x == 0 && y == 0)//Apple alleen
    {
      total = z * 1.50;
      stotal = total * tax;
      answer = stotal + total;
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tYou've currently purchased " + z + " Apple(s) for " + f.format(answer)
      + " including tax.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }
    else if(y > 0 && x > 0 && z == 0)// Banana en Cherry
    {
      total = x * 2.00;
      stotal = total * tax;
      double total1;
      double stotal1;
      answer = stotal + total;
      total1 = y * 1.00;
      stotal1 = total1 * tax;
      double answer1 = stotal1 + total1;
      double answer2 = answer + answer1;
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tYou've purchased currently " + x + " Banana(s) and " + y + " Cherry(ies) for " + f.format(answer2)
      + " including tax.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }
    else if(y > 0 && x == 0 && z > 0)//Cherry en apple
    {
      total = z * 1.50;
      stotal = total * tax;
      double total1;
      double stotal1;
      answer = stotal + total;
      total1 = y * 1.00;
      stotal1 = total1 * tax;
      double answer1 = stotal1 + total1;
      double answer2 = answer + answer1;
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tYou've purchased currently " + y + " Cherry(ies) and " + z + " Apple(s) for " + f.format(answer2)
      + " including tax.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }
    else if(y == 0 && x > 0 && z > 0)//Banana en apple
    {
      total = z * 1.50;
      stotal = total * tax;
      double total1;
      double stotal1;
      answer = stotal + total;
      total1 = x * 2.00;
      stotal1 = total1 * tax;
      double answer1 = stotal1 + total1;
      double answer2 = answer + answer1;
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tYou've purchased currently " + x + " Banana(s) and " + z + " Apple(s) for " + f.format(answer2)
      + " including tax.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }
    else if(y > 0 && x > 0 && z > 0)//Banana en Cherry en Apple
    {
      //Apple
      total = z * 1.50;
      stotal = total * tax;
      double total1;
      double stotal1;
      //Banana
      answer = stotal + total;
      total1 = x * 2.00;
      stotal1 = total1 * tax;
      double answer1 = stotal1 + total1;
      double answer2 = answer + answer1;
      //Cherry
      answer3 = total2 + stotal2;
      total2 = y * 1.00;
      stotal2 = total2 * tax;
      double answer3 = stotal2 + total2;
      double answer4 = answer2 + answer3;
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tYou've purchased currently " + x + " Banana(s) and " + y + " Cherry(ies) and " + z + " Apple(s) for " + f.format(answer4)
      + " including tax.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }
    else
    {
      try
        {
          System.out.println("------------------------------------------------------------------------------------------------------------------------");
          System.out.println("\tYou did not chose anything. Choose one of the options. (1-3)"
           + "\n\t1. Go to menu" + "\n\t2. Go to Browse products " + "\n\t3. Exit Store");
          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

          byte var = kb.nextByte();
          if (var == 1)
          menu();
          else if (var == 2)
          pro();
          else if (var == 3)
          {
              try
                  {
                          Scanner kb5 = new Scanner(System.in);
                          System.out.println("------------------------------------------------------------------------------------------------------------------------");
                          System.out.println("\tDo you want to stay in the Store? (y/n)");
                          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                          String a5 = kb5.nextLine();

                          char a6 = a5.charAt(0);

                          if (a6 == 'y' || a6 == 'Y')
                          {
                              menu();
                          }
                          else if(a6 == 'n' || a6 == 'N')
                          {
                            System.exit(0);
                          }
                          else
                          {
                            System.out.println("------------------------------------------------------------------------------------------------------------------------");
                            System.out.println("\tInvalid Input.");
                            System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                              menu();
                      }
                  }
                  catch (Exception e)
                  {
                    System.out.println("------------------------------------------------------------------------------------------------------------------------");
                    System.out.println("\tInvalid Input.");
                    System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                    menu();
                  }
                }
        }
        catch (Exception e)
        {
          System.out.println("------------------------------------------------------------------------------------------------------------------------");
          System.out.println("\tInvalid Input.");
          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
          check();
        }
    }


  }
  public void pro() //geeft producten met prijzen
  {
    try {
      Scanner kb = new Scanner(System.in);
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("Please choose on option, 1-4" + "\n\t1. Banana: $2.00 " + "\n\t2. Cherry $1.00" + "\n\t3. Apple $1.50" + "\n\t4. Cancel");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      byte ans = kb.nextByte();

      if (ans ==1) {//Banana
        Scanner kb1 = new Scanner(System.in);
        System.out.println("Do you want to buy this item? (y/n)");
        String a1 = kb1.nextLine();
        char a2 = a1.charAt(0);

        if (a2 == 'y' || a2 == 'Y') {
          Scanner kb2 = new Scanner(System.in);
          System.out.println("How many u wish to buy");
          x = kb.nextInt();
          menu();
        } else if(a2 == 'n' || a2 == 'N') {
          pro();
        } else {
          System.out.println("------------------------------------------------------------------------------------------------------------------------");
          System.out.println("\tInvalid Input.");
          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
          pro();
        }
      } else if (ans == 2)//Cherry
      {
          try
              {
                      Scanner kb3 = new Scanner(System.in);
                      System.out.println("Do you want to buy this item? (y/n)");
                      String a3 = kb3.nextLine();

                      char a4 = a3.charAt(0);

                      if (a4 == 'y' || a4 == 'Y')
                      {
                          Scanner kb4 = new Scanner(System.in);
                          System.out.println("How many u wish to buy");
                          y = kb4.nextInt();
                          menu();
                      }
                      else if(a4 == 'n' || a4 == 'N')
                      {
                        pro();
                      }
                      else
                      {
                        System.out.println("------------------------------------------------------------------------------------------------------------------------");
                        System.out.println("\tInvalid Input.");
                        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                          pro();
                  }
              }
              catch (Exception e)
              {
                System.out.println("------------------------------------------------------------------------------------------------------------------------");
                System.out.println("\tInvalid Input.");
                System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                menu();
              }
      }
      else if (ans == 3)//Apple
      {
          try
              {
                      Scanner kb5 = new Scanner(System.in);
                      System.out.println("Do you want to buy this item? (y/n)");
                      String a5 = kb5.nextLine();

                      char a6 = a5.charAt(0);

                      if (a6 == 'y' || a6 == 'Y')
                      {
                          Scanner kb6 = new Scanner(System.in);
                          System.out.println("How many u wish to buy");
                          z = kb6.nextInt();
                          menu();
                      }
                      else if(a6 == 'n' || a6 == 'N')
                      {
                        pro();
                      }
                      else
                      {
                        System.out.println("------------------------------------------------------------------------------------------------------------------------");
                        System.out.println("\tInvalid Input.");
                        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                          pro();
                  }
              }
              catch (Exception e)
              {
                System.out.println("------------------------------------------------------------------------------------------------------------------------");
                System.out.println("\tInvalid Input.");
                System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                menu();
              }
            }
      else if (ans == 4)
        {
          try
            {
              System.out.println("------------------------------------------------------------------------------------------------------------------------");
              System.out.println("\tYou did not chose anything. Choose one of the options. (1-3)"
               + "\n\t1. Go to menu" + "\n\t2. Go to Browse products " + "\n\t3. Exit Store");
              System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

              byte var = kb.nextByte();
              if (var == 1)
              menu();
              else if (var == 2)
              pro();
              else if (var == 3)
                      {
                          try
                              {
                                      Scanner kb5 = new Scanner(System.in);
                                      System.out.println("------------------------------------------------------------------------------------------------------------------------");
                                      System.out.println("\tDo you want to stay in the Store? (y/n)");
                                      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                                      String a5 = kb5.nextLine();

                                      char a6 = a5.charAt(0);

                                      if (a6 == 'y' || a6 == 'Y')
                                      {
                                          menu();
                                      }
                                      else if(a6 == 'n' || a6 == 'N')
                                      {
                                        System.exit(0);
                                      }
                                      else
                                      {
                                        System.out.println("------------------------------------------------------------------------------------------------------------------------");
                                        System.out.println("\tInvalid Input.");
                                        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                                          pro();
                                  }
                              }
                              catch (Exception e)
                              {
                                System.out.println("------------------------------------------------------------------------------------------------------------------------");
                                System.out.println("\tInvalid Input.");
                                System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                                menu();
                              }
                            }
            }
            catch (Exception e)
            {
              System.out.println("------------------------------------------------------------------------------------------------------------------------");
              System.out.println("\tInvalid Input.");
              System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
              check();
            }
        }
      else if (ans <= 0 || ans > 4)
      {
        System.out.println("------------------------------------------------------------------------------------------------------------------------");
        System.out.println("\tInvalid Input.");
        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
        pro();
      }
    } catch (Exception e) {
      System.out.println("------------------------------------------------------------------------------------------------------------------------");
      System.out.println("\tInvalid Input.");
      System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
      menu();
    }


  }
  public void check()//afreken bij kassa daarna logt systeem uit
  {
      Scanner kb = new Scanner(System.in);
      DecimalFormat f = new DecimalFormat("$#,##0.00");

      if (x > 0 && y == 0 && z == 0) //Banana alleen
      {
        total = x * 2.00;
        stotal = total * tax;
        answer = stotal + total;
        System.out.println("------------------------------------------------------------------------------------------------------------------------");
        System.out.println("\tYou've purchased " + x + " Banana(s) for " + f.format(answer)
        + " including tax.");
        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

      }
      else if (y > 0 && x == 0 && z == 0)//Cherry alleen
      {
        total = y * 1.00;
        stotal = total * tax;
        answer = stotal + total;
        System.out.println("------------------------------------------------------------------------------------------------------------------------");
        System.out.println("\tYou've purchased " + y + " Cherry(ies) for " + f.format(answer)
        + " including tax.");
        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

      }
      else if (z > 0 && x == 0 && y == 0)//Apple alleen
      {
        total = z * 1.50;
        stotal = total * tax;
        answer = stotal + total;
        System.out.println("------------------------------------------------------------------------------------------------------------------------");
        System.out.println("\tYou've purchased " + z + " Apple(s) for " + f.format(answer)
        + " including tax.");
        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

      }
      else if(y > 0 && x > 0 && z == 0)// Banana en Cherry
      {
        total = x * 2.00;
        stotal = total * tax;
        double total1;
        double stotal1;
        answer = stotal + total;
        total1 = y * 1.00;
        stotal1 = total1 * tax;
        double answer1 = stotal1 + total1;
        double answer2 = answer + answer1;
        System.out.println("------------------------------------------------------------------------------------------------------------------------");
        System.out.println("\tYou've purchased " + x + " Banana(s) and " + y + " Cherry(ies) for " + f.format(answer2)
        + " including tax.");
        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

      }
      else if(y > 0 && x == 0 && z > 0)//Cherry en apple
      {
        total = z * 1.50;
        stotal = total * tax;
        double total1;
        double stotal1;
        answer = stotal + total;
        total1 = y * 1.00;
        stotal1 = total1 * tax;
        double answer1 = stotal1 + total1;
        double answer2 = answer + answer1;
        System.out.println("------------------------------------------------------------------------------------------------------------------------");
        System.out.println("\tYou've purchased " + y + " Cherry(ies) and " + z + " Apple(s) for " + f.format(answer2)
        + " including tax.");
        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

      }
      else if(y == 0 && x > 0 && z > 0)//Banana en apple
      {
        total = z * 1.50;
        stotal = total * tax;
        double total1;
        double stotal1;
        answer = stotal + total;
        total1 = x * 2.00;
        stotal1 = total1 * tax;
        double answer1 = stotal1 + total1;
        double answer2 = answer + answer1;
        System.out.println("------------------------------------------------------------------------------------------------------------------------");
        System.out.println("\tYou've purchased " + x + " Banana(s) and " + z + " Apple(s) for " + f.format(answer2)
        + " including tax.");
        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

      }
      else if(y > 0 && x > 0 && z > 0)//Banana en Cherry en Apple
      {
        //Apple
        total = z * 1.50;
        stotal = total * tax;
        double total1;
        double stotal1;
        //Banana
        answer = stotal + total;
        total1 = x * 2.00;
        stotal1 = total1 * tax;
        double answer1 = stotal1 + total1;
        double answer2 = answer + answer1;
        //Cherry
        answer3 = total2 + stotal2;
        total2 = y * 1.00;
        stotal2 = total2 * tax;
        double answer3 = stotal2 + total2;
        double answer4 = answer2 + answer3;
        System.out.println("------------------------------------------------------------------------------------------------------------------------");
        System.out.println("\tYou've purchased " + x + " Banana(s) and " + y + " Cherry(ies) and " + z + " Apple(s) for " + f.format(answer4)
        + " including tax.");
        System.out.println("\n------------------------------------------------------------------------------------------------------------------------");

      }


    else
    {
      try
        {
          System.out.println("------------------------------------------------------------------------------------------------------------------------");
          System.out.println("\tYou did not chose anything. Choose one of the options. (1-2)"
           + "\n\t1. Main menu" + "\n\t2. Exit");
          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
          byte var = kb.nextByte();
          if (var == 1)
          menu();
          else if (var == 2)
          {
              try
                  {
                          Scanner kb5 = new Scanner(System.in);
                          System.out.println("------------------------------------------------------------------------------------------------------------------------");
                          System.out.println("\tDo you want to stay in the Store? (y/n)");
                          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                          String a5 = kb5.nextLine();

                          char a6 = a5.charAt(0);

                          if (a6 == 'y' || a6 == 'Y')
                          {
                              menu();
                          }
                          else if(a6 == 'n' || a6 == 'N')
                          {
                            System.exit(0);
                          }
                          else
                          {
                            System.out.println("------------------------------------------------------------------------------------------------------------------------");
                            System.out.println("\tInvalid Input.");
                            System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                              pro();
                      }
                  }
                  catch (Exception e)
                  {
                    System.out.println("------------------------------------------------------------------------------------------------------------------------");
                    System.out.println("\tInvalid Input.");
                    System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
                    menu();
                  }
                }
        }
        catch (Exception e)

        {
          System.out.println("------------------------------------------------------------------------------------------------------------------------");
          System.out.println("\tInvalid Input.");
          System.out.println("\n------------------------------------------------------------------------------------------------------------------------");
          check();
        }
    }
  }

}
//triangle