/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.runtime.core.management.stats;

import org.mule.runtime.core.management.stats.printers.AbstractTablePrinter;
import org.mule.runtime.core.management.stats.printers.SimplePrinter;

import java.io.PrintWriter;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

/**
 * <code>AllStatistics</code> TODO
 */
public class AllStatistics {

  private boolean isStatisticsEnabled;
  private long startTime;
  private ApplicationStatistics appStats;
  private Map<String, FlowConstructStatistics> flowConstructStats = new HashMap<String, FlowConstructStatistics>();

  /**
   * 
   */
  public AllStatistics() {
    clear();
    appStats = new ApplicationStatistics(this);
    appStats.setEnabled(isStatisticsEnabled);
    add(appStats);
  }

  public void logSummary() {
    logSummary(new SimplePrinter(System.out));
  }

  public void logSummary(PrintWriter printer) {

    if (printer instanceof AbstractTablePrinter) {
      printer.print(flowConstructStats.values());
    } else {
      for (FlowConstructStatistics statistics : flowConstructStats.values()) {
        printer.print(statistics);
      }
    }
    // printer.println("-----------------------------");
    // printer.println("duration (ms): " + (System.currentTimeMillis() -
    // startTime));
  }

  public synchronized void clear() {
    for (FlowConstructStatistics statistics : getServiceStatistics()) {
      statistics.clear();
    }
    startTime = System.currentTimeMillis();
  }

  /**
   * Are statistics logged
   */
  public boolean isEnabled() {
    return isStatisticsEnabled;
  }

  /**
   * Enable statistics logs (this is a dynamic parameter)
   */
  public void setEnabled(boolean b) {
    isStatisticsEnabled = b;

    for (FlowConstructStatistics statistics : flowConstructStats.values()) {
      statistics.setEnabled(b);
    }
  }

  public synchronized long getStartTime() {
    return startTime;
  }

  public synchronized void setStartTime(long startTime) {
    this.startTime = startTime;
  }

  public synchronized void add(FlowConstructStatistics stat) {
    if (stat != null) {
      flowConstructStats.put(stat.getName(), stat);
    }
  }

  public synchronized void remove(FlowConstructStatistics stat) {
    if (stat != null) {
      flowConstructStats.remove(stat.getName());
    }
  }

  public synchronized Collection<FlowConstructStatistics> getServiceStatistics() {
    return flowConstructStats.values();
  }

  public FlowConstructStatistics getApplicationStatistics() {
    return appStats;
  }
}