/* Lesley Hogan
 * June 30th 2006
 * ProblemSolver.java
 * What will be the purpose of your geek-gift?
 * CS 101 HW J3:
 * http://www.cs.virginia.edu/~asb/teaching/cs101-spring06/hws/hwj3/index.html
 */
 
package net.bunnie.uva.cs101;

import java.util.*;

public class ProblemSolver {
    public static void main(String args[]) {

        System.out.println("How good is your gift? Let's find out!");

        // declarations
        final String[] QUESTION = {"Does it use electricity?",
            "Can you build with it?", "Is it weird?", "Does it glow?",
            "Is it Chernobyl blue?", "Is it red and/or green?",
            "Can you zap people with it?", "Does it vibrate?",
    	    "Does it include heavy water as a component?",
    	    "Will it create fear in the populace?"};
        //int num = QUESTIONS.length;
        String[] answer = new String[QUESTION.length];
        int i;
        for(i = 0; i < answer.length; i++) {
            answer[i] = new String();
        }
        YesNoExtractor e = new YesNoExtractor();
    	
    	//ask initial question and subsequent question
        answer[0] = String.valueOf(e.askUser(QUESTION[0]));
        if (answer[0].equals("true")) {
            answer[3] = String.valueOf(e.askUser(QUESTION[3]));
        }
        else {
            answer[1] = String.valueOf(e.askUser(QUESTION[1]));
            if (answer[1].equals("true")) {
                printResult(2);
            }
        }

        //ask some more questions, 2 more answers we can get rid of
        // we need some of these answers for later
        if (answer[1].equals("false")) {
            answer[2] = String.valueOf(e.askUser(QUESTION[2]));
            if (answer[2].equals("false")) {
                printResult(3);
            }
        }
        else if (answer[3].equals("true")) {
            answer[4] = String.valueOf(e.askUser(QUESTION[4]));
            if (answer[4].equals("false")) {
                answer[5] = String.valueOf(e.askUser(QUESTION[5]));
                if (answer[5].equals("false")) {
                    printResult(0);
                }
            }
        }
        else {
            answer[6] = String.valueOf(e.askUser(QUESTION[6]));
        }

        //these questions have answers that you can get to multiple ways
        //and the question asked in the previous if is used in the next if
        if (answer[2].equals("true") || answer[6].equals("false")) {
            answer[7] = String.valueOf(e.askUser(QUESTION[7]));
            if (answer[7].equals("false")) {
                printResult(4);
            }
        }
        if (answer[4].equals("true") || answer[7].equals("true")) {
            answer[8] = String.valueOf(e.askUser(QUESTION[8]));
            if (answer[8].equals("false")) {
                printResult(6);
            }
        }
        if (answer[8].equals("true") || answer[6].equals("true")) {
            answer[9] = String.valueOf(e.askUser(QUESTION[9]));
            if (answer[9].equals("true")) {
                printResult(5);
            }
        }
        //could just print result, but why not check
        if (answer[9].equals("false") || answer[5].equals("true")) {
            printResult(1);
        }
    }
    static void printResult(int result) {
        final String[] RESULT = {"Rethink the color and start over",
	    "It'll be used for Xmas lights.  You watch.",
	    "Your next gift will be made from lego or play-doh.",
	    "It'll be regifted.  Just saying.",
	    "It'll be stripped for its parts.",
	    "Now that's a gift! You will be thanked and worshipped for years to come.",
	    "It'll become her or his only light source.",};
        System.out.println(RESULT[result]);
        System.exit(0);
    }
}