package cz.muni.fi.bronchus.questions;

/**
 * Standard True/False question, two choices, one is correct.
 * @author Tomáš Udržal
 */
public class TrueFalseQuestion extends Question {
    
    /**
     * Index of correct answer
     */
    private int correctAnswerIndex;

    /**
     * Wording of answer 1
     */
    private String answer1Wording;
    
    /**
     * Wording of answer 2
     */
    private String answer2Wording;

    /**
     * Horizontally adjustment of answers
     */
    private boolean horizontally;
    
    /**
     * Shuffle order of answers
     */
    private boolean shuffle;
    
    /** Creates a new instance of TrueFalseQuestion */
    public TrueFalseQuestion() {
        super("True/False");
        answer1Wording=answer2Wording="";
        correctAnswerIndex=0;
        horizontally=true;
        shuffle=false;
    }
    
    /**
     * Setter method for the index of the true answer
     * @param x index of true answer
     */
    public void setCorrectAnswerIndex(int x) { correctAnswerIndex=x; }
    
    /**
     * Getter method for the index of the correct answer
     * @return index of the correct answer
     */
    public int getCorrectAnswerIndex() { return correctAnswerIndex; }
    
    /**
     * Setter method for the wording of answer 1
     * @param x wording of answer 1
     */
    public void setAnswer1Wording(String x) { answer1Wording=x; }
    
    /**
     * Getter method for the wording of answer 1
     * @return wording of answer 1
     */
    public String getAnswer1Wording() { return answer1Wording; }

    /**
     * Setter method for the wording of answer 2
     * @param x wording of answer 2
     */
    public void setAnswer2Wording(String x) { answer2Wording=x; }
    
    /**
     * Getter method for the wording of answer 2
     * @return wording of answer 2
     */
    public String getAnswer2Wording() { return answer2Wording; }
    
    /**
     * Setter method for the adjustment of answers
     * @param x true if horizontally false if vertically
     */
    public void setHorizontally(boolean x) { horizontally=x; }
    
    /**
     * Getter method for the adjustment of answers
     * @return true if horizontally false if vertically
     */
    public boolean isHorizontally() { return horizontally; }
    
    /**
     * Setter method for the shuffle of answers
     * @param x true if shuffle of answers is enabled otherwise false
     */
    public void setShuffle(boolean x) { shuffle=x; }
    
    /**
     * Getter method for the shuffle of answers
     * @return true if shuffle of answers is enabled otherwise false
     */
    public boolean isShuffle() { return shuffle; }
    
    /**
     * Method for generating a response processing condition from a selected answers
     * @return response processing condition
     */
    public String generateCondition() {
        String s="";
        if (correctAnswerIndex==0) s="A==true"; 
        if (correctAnswerIndex==1) s="B==true";
        return s;
    } 

}