package domain;


import robot.exceptions.RobotException;
import robot.exceptions.RobotIllegalStateException;
import robot.exceptions.RobotMagicValueException;

import java.util.Arrays;
import java.util.List;
import java.util.OptionalInt;
import java.util.function.IntPredicate;
import java.util.stream.Collector;
import java.util.stream.Collectors;

public class R2D2 extends RobotBasics {
   /**
    *
    * @param id> int
    * @param name> String
    */
   public R2D2(int id, String name){
      super(id, name);
   }

   /*Sorting sort = (int[] input) -> {
      int small;
      for(int i = 0; i < input.length -1; i++){
         small = i;
         for(int j = i + 1; j < input.length; j++){
            if(input[j] < )
         }
      }
   }*/

   public int[] think(int[] zahlen) throws RobotException {
      if(isPowerOn()){
         return sorting(zahlen);
      }else{
         throw new RobotIllegalStateException(getName() + " is turned off!");
      }
   }

   public int[] sorting(int[] arr) {
      //Selectionsort
      int small;
      for (int i = 0; i <arr.length - 1; i++) {
         small = i;
         for (int j = i + 1; j < arr.length; j++) {
            //if there is a smaller number on this position
            if (arr[j] < arr[small]) {
               small = j;
               //swap values
               int temp = arr[i];
               arr[i] = arr[small];
               arr[small] = temp;
            }
         }
      }
      return arr;
   }

   //   Diese ganze Methode muss zu C3P0 und ist hier falsch.
   public String ausgabe(int[] input)throws RobotException{
      if(input.length != 0 && !checkArray(input)) {
         return Arrays.stream(input)
                 .mapToObj(Integer::toString)
                 .collect(Collectors.joining("; "));
      }else{
         throw new RobotMagicValueException(getName()  +" has an unknown Error. Code 42.");
      }
   }

   /**
    * Die Methode nimmt ein Array aus int entgegen und wandelt diese in einen String um.
    * @param input Zahlen, die ausgegeben werden sollen.
    * @return String oder null
    * @throws RobotException
    */
   @Override
   public String speak(int[] input) throws RobotException {
      final boolean[] found_42 = {false};
      if (isPowerOn()) {
         try{
            return ausgabe(input);
         }catch(RobotException re){
            return re.toString();
         }

      } else {
         throw new RobotIllegalStateException(getName() + " is turned off!");

      }

   /*public void something() {
      System.out.println("Hello");
   }*/
   }
}