/* SOGoComponentOccurence.m - this file is part of SOGo
 * 
 * Copyright (C) 2008 Inverse groupe conseil
 *
 * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
 *
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This file is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#import <Foundation/NSArray.h>
#import <Foundation/NSCalendarDate.h>
#import <Foundation/NSString.h>

#import <NGCards/iCalCalendar.h>
#import <NGCards/iCalRepeatableEntityObject.h>

#import "SOGoComponentOccurence.h"

#import "SOGoCalendarComponent.h"
@interface SOGoCalendarComponent (OccurenceExtensions)

- (void) prepareDeleteOccurence: (iCalRepeatableEntityObject *) component;

@end

@implementation SOGoComponentOccurence

+ (id) occurenceWithComponent: (iCalRepeatableEntityObject *) newComponent
	  withMasterComponent: (iCalRepeatableEntityObject *) newMaster
		  inContainer: (SOGoCalendarComponent *) newContainer
{
  SOGoComponentOccurence *occurence;
  NSTimeInterval seconds;
  NSString *newName;

  if (newComponent == newMaster)
    newName = @"master";
  else
    {
      seconds = [[newComponent recurrenceId] timeIntervalSince1970];
      newName = [NSString stringWithFormat: @"occurence%d", (int) seconds];
    }
  occurence = [self objectWithName: newName inContainer: newContainer];
  [occurence setComponent: newComponent];
  [occurence setMasterComponent: newMaster];

  return occurence;
}

- (id) init
{
  if ((self = [super init]))
    {
      component = nil;
      master = nil;
      isNew = NO;
    }

  return self;
}

- (void) setIsNew: (BOOL) newIsNew
{
  isNew = newIsNew;
}

- (BOOL) isNew
{
  return isNew;
}

- (void) dealloc
{
  [component release];
  [master release];
  [super dealloc];
}

/* SOGoObject overrides */

- (BOOL) isFolderish
{
  return NO;
}

- (NSString *) contentAsString
{
  return [component versitString];
}

- (NSString *) davContentLength
{
  unsigned int length;

  length = [[self contentAsString]
	     lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
  
  return [NSString stringWithFormat: @"%u", length];
}

/* /SOGoObject overrides */

- (void) setComponent: (iCalRepeatableEntityObject *) newComponent
{
  ASSIGN (component, newComponent);
}

- (void) setMasterComponent: (iCalRepeatableEntityObject *) newMaster
{
  ASSIGN (master, newMaster);
}

- (NSArray *) aclsForUser: (NSString *) uid
{
  return [container aclsForUser: uid];
}

/* SOGoComponentOccurence protocol */

- (iCalRepeatableEntityObject *) occurence
{
  return component;
}

- (NSException *) delete;
{
  NSException *error;
  iCalCalendar *parent;

  if (component == master)
    error = [container delete];
  else
    {
      if ([container respondsToSelector: @selector (prepareDeleteOccurence:)])
	[container prepareDeleteOccurence: component];
      [master addToExceptionDates: [component startDate]];
      parent = [component parent];
      [[parent children] removeObject: component];
      [container saveComponent: master];
      error = nil;
    }

  return error;
}

- (void) saveComponent: (iCalRepeatableEntityObject *) newEvent
{
  [container saveComponent: newEvent];
}

#warning most of SOGoCalendarComponent and SOGoComponentOccurence share the same external interface... \
  they should be siblings or SOGoComponentOccurence the parent class of SOGoCalendarComponent...
- (NSException *) changeParticipationStatus: (NSString *) newPartStat
{
  return [container changeParticipationStatus: newPartStat];
}

@end