package it.acxent.human;

import it.acxent.db.ApplParmFull;
import it.acxent.db.DBAdapter;
import it.acxent.util.PasswordPolicy;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Random;

public class Challenge {
  private String hid;
  
  private String hokpage;
  
  private long httl;
  
  private String theChallenge;
  
  private LinkedHashSet<Integer> theQuestion;
  
  public static final String _HC = "_HC_";
  
  private ApplParmFull apFull;
  
  public Challenge(ApplParmFull apFull) {
    this.apFull = apFull;
  }
  
  public Challenge() {}
  
  public Challenge(ApplParmFull apFull, int sizeChallenge, int sizeQuestion) {
    this.apFull = apFull;
    setTheChallenge(PasswordPolicy.getRandomPassword(sizeChallenge, false));
    Random random = new Random();
    while (getTheQuestion().size() < sizeQuestion) {
      int numeroCasuale = random.nextInt(sizeChallenge) + 1;
      if (!getTheQuestion().contains(Integer.valueOf(numeroCasuale)))
        getTheQuestion().add(Integer.valueOf(numeroCasuale)); 
    } 
  }
  
  public String getQuestion() {
    return getQuestion("it");
  }
  
  public String getQuestion(String lang) {
    StringBuilder sb = new StringBuilder(getApFull().translate("Inserisci l'elemento delle posizioni", lang) + " ");
    int i = 0;
    for (Iterator<Integer> iterator = getTheQuestion().iterator(); iterator.hasNext(); ) {
      int elemento = iterator.next();
      i++;
      sb.append(getApFull().translate(DBAdapter.numberToString((double)elemento, false), lang));
      if (i < getTheQuestion().size())
        sb.append(", "); 
    } 
    return sb.toString();
  }
  
  public boolean checkAnswer(String answer) {
    StringBuilder correctAnswer = new StringBuilder();
    for (Iterator<Integer> iterator = getTheQuestion().iterator(); iterator.hasNext(); ) {
      int elemento = iterator.next();
      correctAnswer.append(getTheChallenge().charAt(elemento - 1));
    } 
    if (correctAnswer.toString().equals(answer))
      return true; 
    return false;
  }
  
  public String getTheChallenge() {
    return (this.theChallenge == null) ? "" : this.theChallenge.trim();
  }
  
  public void setTheChallenge(String theChallenge) {
    this.theChallenge = theChallenge;
  }
  
  public LinkedHashSet<Integer> getTheQuestion() {
    if (this.theQuestion == null)
      this.theQuestion = new LinkedHashSet<>(); 
    return this.theQuestion;
  }
  
  public void setTheQuestion(LinkedHashSet<Integer> theQuestion) {
    this.theQuestion = theQuestion;
  }
  
  public String getHtmlChallenge() {
    StringBuilder sb = new StringBuilder("<div class=\"human-boxed-text\">");
    for (int i = 0; i < getTheChallenge().length(); i++) {
      char carattere = getTheChallenge().charAt(i);
      sb.append("<span>");
      sb.append(carattere);
      sb.append("</span>");
    } 
    sb.append("</div>");
    return sb.toString();
  }
  
  public String getHid() {
    return this.hid;
  }
  
  public void setHid(String hid) {
    this.hid = hid;
  }
  
  public String getHokpage() {
    return this.hokpage;
  }
  
  public void setHokpage(String hokpage) {
    this.hokpage = hokpage;
  }
  
  public long getHttl() {
    return this.httl;
  }
  
  public void setHttl(long httl) {
    this.httl = httl;
  }
  
  public ApplParmFull getApFull() {
    return this.apFull;
  }
  
  public void setApFull(ApplParmFull apFull) {
    this.apFull = apFull;
  }
}