/**
 *
 * @author Melanie
 * This is the LabExample class - used to explore if and loop statements
 *
 */

public class LabExample {


	public int highestOfTwo(int a,int b){
		if (a>b) {
			return a;
		}else if(a<b) {
			return b;
		}else{
			return -1;
		}
	}



	public String calculateGrade(int score) {
		if (score>=0 && score<40)
		{
			return "Fail";
		}else if(score>=40 && score<50){
			return "3rd";
		}else if(score>=50 && score <60) {
			return "2ii";
		}else if(score>=60 && score<70) {
			return "2i";
		}else if(score>=70 && score<=100) {
			return "1st";
		}else {
			return "Invalid mark";
		}

	}



	public String headsOrTails(String guess) {
		String answer="";
		int random=(int)(Math.random() * ((1 - 0) + 1)) + 0;
		if (random==1) {
			answer="heads";
		}else {
			answer="tails";
		}
		if (guess.equals(answer)){
			return "Correct: you guessed "+guess+" and I flipped "+answer+"";
		}else {
			return "Incorrect: you guessed "+guess+" and I flipped "+answer+"";

		}

	}


	public int sumFromOneToWhat(int top) {
		top=(top*(top+1))/2;
		return top;
	}



	public int sumFromWhatToWhat(int bottom,int top) {
		int sum=0;
		for(int i=bottom;i<=top;i++){
			sum+=i;
		}
		return sum;
	}

}
/////////////////////////////////////////////
/**
 *
 * @author Melanie
 * This is the Second Salary class - used to explore if and loop statements
 *
 */


public class Salary {


	public double salaryTax(double salary) {
		if(salary>=45000) {
			return salary*0.5;
		}else if(salary>=30000 && salary<45000){
			return salary*0.7;
		}else {
			return salary*0.85;
		}

	}


	public double calculateNI(double gross,char NI) {
		switch(NI) {
			case 'A':
			gross=gross*0.88;
			break;
			case 'B':
			gross=gross*0.9415;
			break;
			case 'C':
			gross=gross*0.98;
			break;
			case 'a':
			gross=gross*0.88;
			break;
			case 'b':
			gross=gross*0.9415;
			break;
			case 'c':
			gross=gross*0.98;
			break;
			default:
			gross=gross;


		}
		return gross;
	}



	public double salaryTotal(double salries[]) {
		double sum=0;
		for(double i : salries) {
			sum+=i;
		}
		return sum;
	}



	public double salaryAverage(double salries[]) {
		double avr=0;
		for(double i : salries) {
			avr+=i;
		}
		return avr/salries.length;
	}



	public double[] salaryIncrease(double salaries[]) {
		for(int i=0;i<salaries.length;i++) {
			salaries[i]=salaries[i]+salaries[i]*0.05;
		}
		return salaries;
	}


}
////////////////////////////////////////////////////
/**
 *
 * @author Melanie
 * This is the WordPlay class - used to explore if and loop statements
 *
 */

public class WordPlay {

	public String whatComesFirst(String an1,String an2) {
		int ans=an1.compareToIgnoreCase(an2);
		String answer="";
		if (ans==0) {
			answer=""+an1+" is the same as "+an2+"";
		}else if (ans>0) {
			answer=""+an2+" comes before "+an1+" in the alphabet";
		}else if(ans<0) {
			answer=""+an1+" comes before "+an2+" in the alphabet";
		}
		return answer;
	}

	public String backwardsString(String name) {
		StringBuilder input1 = new StringBuilder();

        // append a string into StringBuilder input1
        input1.append(name);

        // reverse StringBuilder input1
        input1 = input1.reverse();
        return input1.toString();
	}

	public String[] addressBook(String names[],String numbers[]) {
		for(int i=0;i<names.length;i++) {
			names[i]=names[i]+" "+numbers[i];
		}
		return names;
	}

	public String rockPaperScissors(String player) {
		String CPU="";
		int random=(int)(Math.random() * ((2 - 0) + 1)) + 0;
		if(random==0) {
			CPU="rock";
		}else if(random==1) {
			CPU="paper";
		}else if(random==2) {
			CPU="scissors";
		}
		int temp=CPU.compareToIgnoreCase(player);
		if(temp==0) {
			CPU="USER:"+player+" vs COMP:"+CPU+" it is a draw";
		}
		if(temp<0) {
			CPU="USER:"+player+" vs COMP:"+CPU+" COMPUTER wins";
		}
		if(temp>0) {
			CPU="USER:"+player+" vs COMP:"+CPU+" user wins";
		}
		System.out.println(CPU);
		return CPU;
	}
}