package org.opensync.engine.server;
   
   import java.io.*;
   import java.util.*;
   import java.text.*;
   
   /***
    * This class gives the necessary information to schedule a task
    * If a date is given, the task will start at the specific date and time. One shot. Others paramters will be ignored.
   * If days of month are given, the task will start all months at the specific days and time. Others paramters will be ignored.
   * If days of week are given, the task will start all week at the specific days and time.
   * Use repeat to repeat the task with a period interval. Intraday only.
   */
  
  public class Schedule implements Serializable {
    /***
     * The date to start the task
     *
     */
    private Date date;
    /***
     * The days of month to start the task
     *
     */
    private int[]daysOfMonth;
    /***
     * The days of week to start the task
     *
     */
    private int[]daysOfWeek;
    /***
     * The hour of week to start the task
     *
     */
    private int hour;
    /***
     * The minute of week to start the task
     *
     */
    private int minute;
    /***
     * The number of repetition
     *
     */
    private int repeat;
    /***
     * The period between two repetition (in minute)
     *
     *
     */
    private int period;
    /***
     * Is a http request
     *
     */
    private boolean httpRequest;
  
    /***
     * Construct a schedule
     *
     *
     */
    public Schedule() {
    }
    /***
     * Set the date
     *
     * @param	date the date (dd/MM/yyyy)
     *
     */
    public void setDate(Date date) {
      this.date = date;
    }
    /***
     * Get the date
     *
     */
    public Date getDate() {
      return date;
    }
    /***
     * Set the days of month.
     *
     * @param	daysOfMonth days of month of the schedulerEntry (-1 if every day).
     * This attribute is exclusive with daysOfWeek.
     * Allowed values 1-31.
     */
    public void setDaysOfMonth(int[]daysOfMonth) {
      this.daysOfMonth = daysOfMonth;
    }
    /***
     * Get the days of month
     *
     */
    public int[] getDaysOfMonth() {
      return daysOfMonth;
    }
    /***
     * Get the days of month in String format
    *
    */
   public String getStrDaysOfMonth() {
     if(daysOfMonth == null){
       return "";
     }
     StringBuffer buffer = new StringBuffer();
     for(int i = 0;i<daysOfMonth.length;i++){
       buffer.append(daysOfMonth[i]);
     }
     return buffer.toString();
   }
   /***
    * Set the hour
    *
    * @param	hour hour of the schedulerEntry. Allowed values 0-23
    */
   public void setHour(int hour) {
     this.hour = hour;
   }
   /***
    * get the hour
    *
    */
   public int getHour() {
     return hour;
   }
   /***
    * Set the repeat option.
    * Use it when you want to repeat the task.
    *
    * @param	repeat the number to repeat
    */
   public void setRepeat(int repeat) {
     this.repeat = repeat;
   }
   /***
    * Get the repeat number
    *
    */
   public int getRepeat() {
     return repeat;
   }
   /***
    * Set the period between two repetition.
    *
    * @param	period the repetition period in minute
    */
   public void setPeriod(int period) {
     this.period = period;
   }
   /***
    * Get the period between two repetition.
    *
    */
   public int getPeriod() {
     return period;
   }
   /***
    * Set the days of week.
    *
    * @param	daysOfWeek day of week of the schedulerEntry (-1 if every day).
    * This attribute is exclusive with dayOfMonth.
    * Allowed values 1-7 (1 = Sunday, 2 = Monday, ...). java.util.Calendar constants can be used.
    */
   public void setDaysOfWeek(int[]daysOfWeek) {
     this.daysOfWeek = daysOfWeek;
   }
   /***
    * Get the days of week
    *
    */
   public int[] getDaysOfWeek() {
     return daysOfWeek;
   }
   /***
    * Get the days of week in String format
    *
    */
   public String getStrDaysOfWeek() {
     if(daysOfWeek == null){
       return "";
     }
     StringBuffer buffer = new StringBuffer();
     for(int i = 0;i<daysOfWeek.length;i++){
       buffer.append(daysOfWeek[i]);
     }
     return buffer.toString();
   }
   /***
    * Check if the schedule is valid.
    *
    */
   public boolean isValid(){
     return date != null || httpRequest
     || (daysOfMonth != null && !daysOfMonth.equals(""))
     || (daysOfWeek != null && !daysOfWeek.equals(""));
   }
   /***
    * Return the full date, time comprise
    *
    */
   public Date getDateTime(){
     SimpleDateFormat dateFormat = new SimpleDateFormat("ddMMyyyy");
     SimpleDateFormat dateTimeFormat = new SimpleDateFormat("ddMMyyyyHHmm");
     try {
       return dateTimeFormat.parse(dateFormat.format(getDate()) + hour + minute);
     }
     catch (Exception ex) {
       throw new RuntimeException(ex.getMessage());
     }
   }
   /***
    * Convert a schedule to a string. (Use for debug only)
    *
    *
    */
   public String toString(){
     SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy");
     SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm");
 
     StringBuffer buffer = new StringBuffer();
     buffer.append("Schedule{\n");
     buffer.append("\tdate : ").append(date == null ? "" : dateFormat.format(date)).append("\n");
     buffer.append("\tdaysOfMonth : ").append(getStrDaysOfMonth()).append("\n");
     buffer.append("\tdaysOfWeek : ").append(getStrDaysOfWeek()).append("\n");
     buffer.append("\ttime : ").append(hour).append(":").append(minute).append("\n");
     buffer.append("\trepeat : ").append(repeat).append("\n");
     buffer.append("\tperiod : ").append(period).append("\n");
     return buffer.toString();
   }
   /***
    * Set the minute
    *
    * @param	minute minute of the schedulerEntry. Allowed values 0-59
    */
   public void setMinute(int minute) {
     this.minute = minute;
   }
   /***
    * Get the hour
    *
    */
   public int getMinute() {
     return minute;
   }
   /***
    * The scheduling is made by an http request
    *
    * @param	httpRequest
    */
   public void setHttpRequest(boolean httpRequest) {
     this.httpRequest = httpRequest;
   }
   /***
    * Return <code>true</code> if the scheduling is made by an http request
    *
    */
   public boolean isHttpRequest() {
     return httpRequest;
   }
 }