package com.atlassian.core.cron;
   
   import com.atlassian.core.util.DateUtils;
   import org.apache.commons.lang.StringUtils;
   
   import java.util.HashMap;
   import java.util.Map;
   
   /**
   * Represents the form state for the CronEditorWebComponent.
   */
  public class CronEditorBean
  {
  
      // Defines the modes
      public static final String DAILY_SPEC_MODE = "daily";
      public static final String DAYS_OF_WEEK_SPEC_MODE = "daysOfWeek";
      public static final String DAYS_OF_MONTH_SPEC_MODE = "daysOfMonth";
      public static final String ADVANCED_MODE = "advanced";
      public static final String DOT = ".";
  
      // Defines the params that get submitted via the cron editor form
      private static final String CRON_STRING = "cronString";
      private static final String DAILY_WEEKLY_MONTHLY = "dailyWeeklyMonthly";
      private static final String RUN_ONCE_MINS = "runOnceMins";
      private static final String RUN_ONCE_HOURS = "runOnceHours";
      private static final String RUN_ONCE_MERIDIAN = "runOnceMeridian";
      private static final String RUN_FROM_HOURS = "runFromHours";
      private static final String RUN_FROM_MERIDIAN = "runFromMeridian";
      private static final String RUN_TO_HOURS = "runToHours";
      private static final String RUN_TO_MERIDIAN = "runToMeridian";
      private static final String WEEKDAY = "weekday";
      private static final String DAY = "day";
      private static final String WEEK = "week";
      private static final String DAYS_OF_MONTH_OPT = "daysOfMonthOpt";
      private static final String MONTH_DAY = "monthDay";
      private static final String INTERVAL = "interval";
      private static final String DAY_OF_WEEK_OF_MONTH = "dayOfWeekOfMonth";
  
      private Map params;
      private String cronString;
      private String mode;
      private boolean dayOfWeekOfMonth;
      private String dayOfMonth;
      private String minutes;
      private String hoursRunOnce;
      private String hoursRunOnceMeridian;
      private String hoursFrom;
      private String hoursFromMeridian;
      private String hoursTo;
      private String hoursToMeridian;
      private String specifiedDaysOfWeek;
      private String dayInMonthOrdinal;
      private String incrementInMinutes;
      private String seconds;
  
      public CronEditorBean()
      {
          this.params = new HashMap();
      }
  
      /**
       * Initialises to the state defined by the given params, which are identified
       * by the presence of paramPrefix on the key.
       *
       * @param paramPrefix the prefix used on each of the params.
       * @param params      state parameters to use.
       */
      public CronEditorBean(String paramPrefix, /*<String, String[]>*/ Map params)
      {
          this.params = params;
          this.cronString = getParam(paramPrefix, CRON_STRING);
          this.mode = getParam(paramPrefix, DAILY_WEEKLY_MONTHLY);
          // note that we don't expect seconds from the UI
          this.minutes = getParam(paramPrefix, RUN_ONCE_MINS);
          this.hoursRunOnce = getParam(paramPrefix, RUN_ONCE_HOURS);
          this.hoursRunOnceMeridian = getParam(paramPrefix, RUN_ONCE_MERIDIAN);
          this.hoursFrom = getParam(paramPrefix, RUN_FROM_HOURS);
          this.hoursFromMeridian = getParam(paramPrefix, RUN_FROM_MERIDIAN);
          this.hoursTo = getParam(paramPrefix, RUN_TO_HOURS);
          this.hoursToMeridian = getParam(paramPrefix, RUN_TO_MERIDIAN);
          String[] daysOfWeek = (String[]) params.get(paramPrefix + DOT + WEEKDAY);
          if (DAYS_OF_MONTH_SPEC_MODE.equals(mode))
          {
              this.specifiedDaysOfWeek = getParam(paramPrefix, DAY);
              this.dayInMonthOrdinal = getParam(paramPrefix, WEEK);
              // Find the sub-mode
              String dayOfWeekOfMonthString = getParam(paramPrefix, DAYS_OF_MONTH_OPT);
              this.dayOfWeekOfMonth = DAY_OF_WEEK_OF_MONTH.equals(dayOfWeekOfMonthString);
          }
          else if (DAYS_OF_WEEK_SPEC_MODE.equals(mode))
          {
              this.specifiedDaysOfWeek = StringUtils.join(daysOfWeek, ',');
          }
  
          this.dayOfMonth = getParam(paramPrefix, MONTH_DAY);
          this.incrementInMinutes = getParam(paramPrefix, INTERVAL);
      }
  
     /**
      * Used to validate the hours to see that the from hour is before the to hour, if specified.
      * Note: to allow the range to run "all-day" (eg. from 12AM to 12AM), we need to also allow the from and to times to
      * be equal.
      *
      * @return true if from is before to or if they have not been specified.
      */
     public boolean isRangeHoursValid()
     {
         if (hoursFrom != null && hoursFromMeridian != null && hoursTo != null && hoursToMeridian != null && incrementInMinutes != null && !incrementInMinutes.equals("0"))
         {
             try
             {
                 int hoursFromInt = Integer.parseInt(hoursFrom);
                 int hoursToInt = Integer.parseInt(hoursTo);
                 return DateUtils.get24HourTime(hoursFromMeridian, hoursFromInt) <= DateUtils.get24HourTime(hoursToMeridian, hoursToInt);
             }
             catch (NumberFormatException e)
             {
                 // Something is freaky with the hours, hmmmm....
                 return false;
             }
         }
         return true;
     }
 
     /**
      * Indicates that a range of time is being specified.
      *
      * @return true only if the form state indicates a from and to time.
      */
     public boolean isRange()
     {
         return !incrementInMinutes.equals("0") && (isDailyMode() || isDayPerWeekMode());
     }
 
     /**
      * Indicates that the range of time specified spans across the full 24 hours in a day (which is indicated by the
      * computed hoursFrom in 24 hour time being equal to the computed hoursTo in 24 hour time).
      *
      * @return true only if we have specified a range, and that range spans across the 24 hours.
      */
     public boolean is24HourRange()
     {
         boolean result = false;
         if (isRange())
         {
             int hoursFromInt = Integer.parseInt(hoursFrom);
             int hoursToInt = Integer.parseInt(hoursTo);
             result = DateUtils.get24HourTime(hoursFromMeridian, hoursFromInt) == DateUtils.get24HourTime(hoursToMeridian, hoursToInt);
         }
         return result;
     }
 
     /**
      * Returns the cron string that the object was constructed with. This method does not guarantee that the returned
      * cron string is valid according the the {@link org.quartz.CronTrigger}.
      *
      * @return unmodified cronString
      */
     public String getCronString()
     {
         return cronString;
     }
 
     /**
      * Will return true if the passed in cron string is not valid for the editor.
      *
      * @return true if the cron string can not be handled, false otherwise.
      */
     public boolean isAdvancedMode()
     {
         return ADVANCED_MODE.equals(mode);
     }
 
     /**
      * Will return true if the editors daily mode can handle the provided cron string.
      *
      * @return if we're in daily mode.
      */
     public boolean isDailyMode()
     {
         return DAILY_SPEC_MODE.equals(mode);
     }
 
     /**
      * Will return true if the editors day per week mode can handle the provided cron string.
      *
      * @return true if {@link #mode} is equal to {@link #DAYS_OF_WEEK_SPEC_MODE}, false otherwise
      */
     public boolean isDayPerWeekMode()
     {
         return DAYS_OF_WEEK_SPEC_MODE.equals(mode);
     }
 
     /**
      * Will return true if the editors days per month mode can handle the provided cron string.
      *
      * @return true if {@link #mode} is equal to {@link #DAYS_OF_MONTH_SPEC_MODE}, false otherwise
      */
     public boolean isDaysPerMonthMode()
     {
         return DAYS_OF_MONTH_SPEC_MODE.equals(mode);
     }
 
     /**
      * Returns true if {@link #isDaysPerMonthMode()} is true and the sub-mode of day of week per month has been
      * selected.
      */
     public boolean isDayOfWeekOfMonth()
     {
         return dayOfWeekOfMonth;
     }
 
     /**
      * Gets the day of month field specified in the cron string. Should be between 1-31 or L.
      */
     public String getDayOfMonth()
     {
         return dayOfMonth;
     }
 
     /**
      * Gets the minutes specified. Should be between 0-59.
      */
     public String getMinutes()
     {
         return minutes;
     }
 
     /**
      * Returns the lower bound of the hour range if this entry has a range.
      *
      * This end of the range is inclusive - e.g. if HoursFrom is 3PM and HoursTo is 5PM, the duration of the range
      * is 2 hours.
      *
      * @return the lower bound or null if this is not a range hour entry.
      */
     public String getHoursFrom()
     {
         return hoursFrom;
     }
 
     /**
      * Returns the upper bound of the hour range if this entry has a range.
      *
      * This end of the range is exclusive - e.g. if HoursFrom is 3PM and HoursTo is 5PM, the duration of the range
      * is 2 hours.
      *
      * @return the upper bound or null if this is not a range hour entry.
      */
     public String getHoursTo()
     {
         return hoursTo;
     }
 
     /**
      * Returns the meridian indicator @{link #AM} or @{link #PM} for the lower bound of a range entry.
      *
      * @return the meridian belonging to the lower bound hour or null if this is not a range entry.
      */
     public String getHoursFromMeridian()
     {
         return hoursFromMeridian;
     }
 
     /**
      * Returns the meridian indicator @{link #AM} or @{link #PM} for the upper bound of a range entry.
      *
      * @return the meridian belonging to the upper bound hour or null if this is not a range entry.
      */
     public String getHoursToMeridian()
     {
         return hoursToMeridian;
     }
 
     /**
      * Returns the single hour value for this entry if it is a run once entry.
      *
      * @return the hour value or null if this is not a run once hour entry.
      */
     public String getHoursRunOnce()
     {
         return hoursRunOnce;
     }
 
     /**
      * Returns the meridian indicator @{link #AM} or @{link #PM} for the entry if it is a run once entry.
      *
      * @return the meridian belonging single hour value or null if this is not a run once entry.
      */
     public String getHoursRunOnceMeridian()
     {
         return hoursRunOnceMeridian;
     }
 
     /**
      * Returns true if the passed in day has been specified, false otherwise.
      *
      * @param dayStr a string representing a day (e.g. 1-7).
      * @return true if the day has been specified, false otherwise.
      */
     public boolean isDaySpecified(String dayStr)
     {
         return specifiedDaysOfWeek != null && StringUtils.contains(specifiedDaysOfWeek, dayStr);
     }
 
     /**
      * Returns a number that represents the first, second third etc. day of the week in a month.
      *
      * @return the ordinal or null if this entry doesn't specify it.
      */
     public String getDayInMonthOrdinal()
     {
         return dayInMonthOrdinal;
     }
 
     /**
      * Returns all the days that have been specified in a comma separated list.
      *
      * @return string representing days (e.g. "1,2,3").
      */
     public String getSpecifiedDaysPerWeek()
     {
         return specifiedDaysOfWeek;
     }
 
     /**
      * Used to determine the total increment in minutes derived by the hour and minutes fields' increment parts.
      * An increment of 0 indicates no repetition based on the hours or minutes fields and will happen if the
      * repetition is once a day.
      *
      * @return a minute increment or "0"
      */
     public String getIncrementInMinutes()
     {
         return incrementInMinutes;
     }
 
     /**
      * The full cron string that may have been specified. This can come from the advanced tab where the user has
      * specified their own cron string. This does not validate the cron string.
      *
      * @param cronString a valid cron string.
      */
     public void setCronString(String cronString)
     {
         this.cronString = cronString;
     }
 
     public void setMode(String mode)
     {
         this.mode = mode;
     }
 
     public void setDayOfWeekOfMonth(boolean dayOfWeekOfMonth)
     {
         this.dayOfWeekOfMonth = dayOfWeekOfMonth;
     }
 
     public void setDayOfMonth(String dayOfMonth)
     {
         this.dayOfMonth = dayOfMonth;
     }
 
     public void setMinutes(String minutes)
     {
         this.minutes = minutes;
     }
 
     public void setHoursFrom(String hoursFrom)
     {
         this.hoursFrom = hoursFrom;
     }
 
     public void setHoursTo(String hoursTo)
     {
         this.hoursTo = hoursTo;
     }
 
     public void setHoursFromMeridian(String hoursFromMeridian)
     {
         this.hoursFromMeridian = hoursFromMeridian;
     }
 
     public void setHoursToMeridian(String hoursToMeridian)
     {
         this.hoursToMeridian = hoursToMeridian;
     }
 
     public void setHoursRunOnce(String hoursRunOnce)
     {
         this.hoursRunOnce = hoursRunOnce;
     }
 
     public void setHoursRunOnceMeridian(String hoursRunOnceMeridian)
     {
         this.hoursRunOnceMeridian = hoursRunOnceMeridian;
     }
 
     public void setSpecifiedDaysOfWeek(String specifiedDaysOfWeek)
     {
         this.specifiedDaysOfWeek = specifiedDaysOfWeek;
     }
 
     public void setDayInMonthOrdinal(String dayInMonthOrdinal)
     {
         this.dayInMonthOrdinal = dayInMonthOrdinal;
     }
 
     /**
      * Set the interval of repetition. "0" indicates there is no repetition.
      *
      * @param incrementInMinutes the interval or "0"
      */
     public void setIncrementInMinutes(String incrementInMinutes)
     {
         this.incrementInMinutes = incrementInMinutes;
     }
 
     /**
      * Looks up a single String value with the given prefixed key.
      *
      * @param paramPrefix prefix the parameter must have
      * @param key         key value to use for lookup.
      * @return the first String or null.
      */
     private String getParam(String paramPrefix, String key)
     {
         String[] paramArr = (String[]) params.get(paramPrefix + DOT + key);
         if (paramArr != null && paramArr.length == 1)
         {
             return paramArr[0];
         }
         return null;
     }
 
     public void setSeconds(String seconds)
     {
         this.seconds = seconds;
     }
 
     public String getSeconds()
     {
         return seconds;
     }
 }