package algs13;
import stdlib.*;
/* ***********************************************************************
 *  Compilation:  javac Server.java
 *  Execution:    java Server N
 *  Dependencies: Queue.java
 *
 *  Load balancing example.
 *
 *************************************************************************/

public class XServer {
  private final Queue<String> list = new Queue<>();      // list of users
  private int load;                                      // load

  // add a new user to the list
  public void add(String user) {
    list.enqueue(user);
    load++;
  }

  // string representation
  public String toString() {
    // String s = String.format("%5d:  ", load);
    String s = "";
    for (String user : list)
      s += user + " ";
    return s;
  }

  public static void main(String[] args) {
    int N = Integer.parseInt(args[0]);

    XServer[] servers = new XServer[N];
    for (int i = 0; i < N; i++)
      servers[i] = new XServer();

    // generate N random jobs and assign to a random processor
    for (int j = 0; j < N; j++) {
      String user = "user" + j;
      int i = StdRandom.uniform(N);
      servers[i].add(user);
    }

    // see how even the distribution is by printing out the
    // contents of each server
    for (int i = 0; i < N; i++)
      StdOut.println(i + ": " + servers[i]);
  }
}