import java.util.Scanner;
import java.util.Random;
// Main method contains code for questions 6, 8, 12 and 13

class Main {

//Question 1 add-function
  public static int add(int a, int b) {
  		return a + b;
  }


// Question 2 age-calculator
  public static String CalculateAge(int a, int b){
    int firstAge = b - a - 1;
	  int secondAge = b - a;
	    String Answer = "You are either " + firstAge + " or " + secondAge;
		return Answer;
  }


// Question 3 exes-and-ohs
  public static boolean sameXAndO(String XO){
    int numOfX = 0;
    int numOfO = 0;
 	boolean sameNumOfXAndO;
 	  for (int i = 0; i < XO.length(); i++){
	    switch(Character.toLowerCase(XO.charAt(i))){
 		  case 'x':
 		  	++numOfX;
 		  	break;
 		  case 'o':
 		  	++numOfO;
 		  	break;

 		  default:
	    }
 	  }

 		if (numOfX == numOfO) {
 		  sameNumOfXAndO = true;
 		} else {
 		  sameNumOfXAndO = false;
 		}
 		return sameNumOfXAndO;
  }

// Question 4 endsly
	public static boolean endsly(String a){
			boolean endsInLy;

			if(a.charAt(a.length() - 2) == 'l' && a.charAt(a.length() - 1) == 'y'){
				endsInLy = true;
			} else {
				endsInLy = false;
			}
			return endsInLy;
	}
// Question 5 chessboard
  public static void chessboard(int size){

    StringBuilder startsWithSpace = new StringBuilder();
    StringBuilder startsWithPound = new StringBuilder();
	String chessBoard = null;
	  for(int i = 1; i<=(size/2); i++){
	    startsWithPound.append("# ");
		}

	  for (int i = 1; i<=(size/2); i++){
		startsWithSpace.append(" #");
		}

	  if (size%2 == 1){
	  	startsWithPound = startsWithPound.append("#");
	  	startsWithSpace = startsWithSpace.append(" ");
	  }

	  for (int i = 1; i<=(size); i++){
		if (i==1){
		chessBoard = startsWithSpace.toString();
		} else if (i%2 ==0){
		chessBoard = chessBoard + "\n" + startsWithPound.toString();
		} else if(i%2==1){
		chessBoard = chessBoard + "\n" +startsWithSpace.toString();
	    }
	  }
		System.out.println(chessBoard);
  }

// Question 7 string-elide
  public static void elide(String aString){
    String newString = null;

    if (aString.length() <= 6){
	  System.out.println(aString);
	} else if(aString.length() > 6){
	  System.out.println(aString.substring(0, 3) + "...");
	}
  }

// Question 9 Count Code
  public static void countCode(String text){
    int numberOfWordCode = 0;

	for (int i = 0; i < text.length(); i++){
      if (text.charAt(i) != 'c'){
		continue;
	  } else if (text.charAt(i) == 'c'){
	      if(text.charAt(i+1) == 'o'){
		    if(text.charAt(i+3) == 'e'){
		     ++numberOfWordCode;
		    }
	      }
		}
	  }
		System.out.println(numberOfWordCode);
  }


// Question 10
  public static int countVowels(String text){
    int numOfVowels = 0;
	for (int i = 0; i < text.length(); i++){
	  switch(text.charAt(i)){
	    case 'a':
		case 'e':
		case 'i':
		case 'o':
		case 'u':
		  ++numOfVowels;
		  break;
		default:
	  }
	}
	return numOfVowels;
  }

// Question 11 cut-a-string-at-character
  public static String cutStringAtCharacter(String someText, char aChar){
    String leftoverString = null;

    for (int i = 0; i < someText.length(); i++){
	  if (someText.charAt(i) == aChar){
	    leftoverString = someText.substring((i+1), (someText.length()-1));
		break;
	  }
	}
	return leftoverString;
  }



// ↓ Main method contains code for questions 6, 8, 12 and 13

  public static void main(String[] args) {
    String elideString = "Thanks for checking my homework!";
 	int chessBoardDimensions = 7;

 	/* I left some answers calling the function through a system.out.println, and others just by calling the function itself because I wasn't sure which method is preferred and/or more robust, so it's somewhat arbitrary */

 	/* Question 1 */	System.out.println(add(4,5));

 	/* Question 2 */	System.out.println(CalculateAge(1990, 2016));

	/* Question 3*/		System.out.println(sameXAndO("XOOX"));

	/* Question 4*/		System.out.println(endsly("endlessly"));

	/* Question 5*/		chessboard(chessBoardDimensions);

	/* Question 7*/		elide(elideString);

	/* Question 9*/		countCode("kskscocededdecozenfgfgcode");

	/* Question 10*/		System.out.println(countVowels("there are 11 vowels in this sentence"));

	/* Question 11*/		System.out.println(cutStringAtCharacter("I wonder what will print?", 'a'));

// Question 6 Scanner-hungry-hippos
	System.out.println("Please enter a food:");
	String UserInput = readInput();
	String Answer = null;
	char firstLetter = Character.toLowerCase(UserInput.charAt(0));
	if (firstLetter == 'h'){
	  Answer = "Yum!";
	} else {
	  Answer = "Yuck!";
	}
	System.out.println(Answer);

// Question 8 triangle
	StringBuilder poundTriangle = new StringBuilder();
	for (int i = 1; i <=7; i++){
	  poundTriangle.append("#");
	  System.out.println(poundTriangle);
	}

// Question 12  twelve-days
    for (int i = 12; i > 0; i--){
      switch(i){
 	    case 12:
 	      System.out.println("12 lords a leaping");
 	    case 11:
 	      System.out.println("11 ladies dancing");
 	    case 10:
 		  System.out.println("10 pipers pipping");
 	  }
    }

    for (int i = 1; i <= 12; i++){
	  String dayNumber;
  	  if (i == 1) {
  	    dayNumber = Integer.toString(i) + "st";
  	  } else if (i == 2) {
  		dayNumber = Integer.toString(i) + "nd";
  	  } else if (i == 3) {
  		dayNumber = Integer.toString(i) + "rd";
  	  } else {
  		dayNumber = Integer.toString(i) + "th";
  	  }

  	String repeatingLyric = "On the " + dayNumber + " day of christmas my true love gave to me";
  	System.out.println(repeatingLyric);


	switch (i){
	  case 1:
	    System.out.println("a Partridge in a pear tree");
		continue;
	}

	switch (i){
   	  case 12:
        System.out.println("12 Bells ringing");
	  case 11:
		System.out.println("11 ladies dancing");
  	  case 10:
  		System.out.println("10 Pipers piping");
  	  case 9:
  		System.out.println("9 Drummers drumming");
  	  case 8:
  		System.out.println("8 Maids a milking");
  	  case 7:
  		System.out.println("7 Swans a swimming");
  	  case 6:
  		System.out.println("6 Geese a laying");
  	  case 5:
  		System.out.println("5 Gold rings");
  	  case 4:
  		System.out.println("4 Colly birds");
  	  case 3:
  		System.out.println("3 French hens");
      case 2:
  		System.out.println("2 Turtle doves");
  	  case 1:
  		System.out.println("and a Partridge in a pear tree");
	}
  }

//  Question 13 scanner-ice-cream-start-up, continued on line 307
    int numOfToppings = 0;
    double iceCreamCost = 2.33;

    Random random = new Random();
	String deliveryTime = Integer.toString(random.nextInt(50));

// I found the above code on stack overflow for finding a random number. I understand how it works, as it is creating a new variable in the Random class and assigns it a new class constructor. Then I created a string variable that takes the value of a randomly generated integer found by using the nextInt() method on the random variable created in the line before it, and turns that value into a string. Hope this makes sense, still trying to learn the java lingo.

    Scanner scanner =  new Scanner(System.in);
    System.out.println("Hello! Welcome to Kwik Kustards, the Uber for Ice Cream! Before we start, may I please know your name?");
    String userName = scanner.nextLine();
    System.out.println("Thank you " + userName + ", let's get started. Which flavor of ice cream would you like? We literally have everything so don't worry, we probably have what you're looking for :)");
    String iceCreamFlavor = scanner.nextLine();
    System.out.println("Great! You chose " + iceCreamFlavor + ". Now, for the toppings. Please respond with yes or no. Would you like rainbow sprinkles?");
    String topping1 = scanner.nextLine();
    System.out.println("Fantastic. would you like chocolate chips?");
    String topping2 = scanner.nextLine();
    System.out.println("Alright, finally, would you like cookie dough?");
    String topping3 = scanner.nextLine();

    if (topping1.equalsIgnoreCase("yes")){
      ++numOfToppings;
    }

  	if (topping2.equalsIgnoreCase("yes")){
      ++numOfToppings;
    }

    if (topping3.equalsIgnoreCase("yes")){
      ++numOfToppings;
    }


  	String finalCost = Double.toString(totalCostofIceCream(numOfToppings));
  	System.out.println("Great, you have ordered " + iceCreamFlavor + " ice cream with " + Integer.toString(numOfToppings) + " toppings. Your total is $" + finalCost + ", and your ice cream will arrive in about " + deliveryTime + " minutes");

  }


  public static String readInput(){
    Scanner scanner = new Scanner(System.in);
	return scanner.next();
  }

// Question 13 Continued
	public static double totalCostofIceCream(int toppings){
      double base = 2.33;
      double costOfToppings = toppings * 0.33;
      double totalCost = base + costOfToppings;
      return totalCost;
	}
}