public class Lesson
{
  public static void main(String[] args)
  {
    int[] temps;
    temps = getData();
    System.out.println("The average temperature is " + computeAverage(temps));
    System.out.println("The maximum temperature is " + computeMaximum(temps));
    display(temps);
    query(temps);
  }
  
  // getData will create an array of integers, get the data
  // for the array, and return the array when done
  public static int[] getData() 
  {
     int[] data = new int[12];
     for (int i = 0; i < data.length; i++)
     {
       //Read data from keyboard:
//     System.out.println("Input a temperature: ");
//     String userInput = Util.input();
//     data[i] = Integer.parseInt(userInput);

       //Read data from file:
       String fileInput = Util.readLine("myweather.txt");
       data[i] = Integer.parseInt(fileInput);
     
     }
     return data;
  }
  
  public static double computeAverage(int[] data)
  {
    int sum = 0;
    for (int i = 0; i < data.length; i++)
    {
      sum = sum + data[i];
    }
    return (double)sum / data.length;
  }
  
  public static int computeMaximum(int[] data)
  {
     int maxsofar = data[0];
     for (int i = 1; i < data.length; i++)
     {
       if (data[i] > maxsofar)
       {
         maxsofar = data[i];  // found a new max!
       }
     }
     return maxsofar;
  }
  
  public static void display(int[] data)
  {
    Draw.window(600,200);
    Draw.setTitle("Weather Display");
    Draw.setFill(true);
    // Assume data.length must be 12
    for (int i = 0; i < data.length; i++)
    {
      if (i % 2 == 0)  // is i even?  % means modulo
      {
        Draw.setColor(255,0,0);
      }
      else  // i must be odd
      {
        Draw.setColor(0,255,0);
      }
      Draw.rectangle(i*50, 200-2*data[i], 50, 2*data[i]);
    }

  }
  
  public static void query(int[] data)
  {
    int x;
    int y;
    int bar;
    
    // Let user click 5 times
    
    for (int click = 1; click <= 5; click++) 
    {
      Draw.pauseUntilMouse();  // wait until mouse click in window
      x = Draw.getMouseX();
      y = Draw.getMouseY();
      // determine which bar was clicked?
      bar = x / 50;
      if (y >= 200-2*data[bar])
      {
        System.out.println(data[bar]);
      }
      else
      {
        System.out.println("no data");
      }    
    }



  }
  
}