/*
  Copyright (C) 2000-2005 SKYRIX Software AG

  This file is part of SOPE.

  SOPE is free software; you can redistribute it and/or modify it under
  the terms of the GNU Lesser General Public License as published by the
  Free Software Foundation; either version 2, or (at your option) any
  later version.

  SOPE 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 Lesser General Public
  License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with SOPE; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "iCalPerson.h"
#include "common.h"

@implementation iCalPerson

+ (int)version {
  return [super version] + 0 /* v0 */;
}
+ (void)initialize {
  NSAssert2([super version] == 0,
            @"invalid superclass (%@) version %i !",
            NSStringFromClass([self superclass]), [super version]);
}

- (void)dealloc {
  [self->cn       release];
  [self->email    release];
  [self->rsvp     release];
  [self->partStat release];
  [self->role     release];
  [self->xuid     release];
  [super dealloc];
}

/* NSCopying */

- (id)copyWithZone:(NSZone *)_zone {
  iCalPerson *new;
  
  new = [super copyWithZone:_zone];
  
  new->cn       = [self->cn       copyWithZone:_zone];
  new->email    = [self->email    copyWithZone:_zone];
  new->rsvp     = [self->rsvp     copyWithZone:_zone];
  new->partStat = [self->partStat copyWithZone:_zone];
  new->role     = [self->role     copyWithZone:_zone];
  new->xuid     = [self->xuid     copyWithZone:_zone];

  return new;
}

/* accessors */

- (void)setCn:(NSString *)_s {
  ASSIGNCOPY(self->cn, _s);
}
- (NSString *)cn {
  return self->cn;
}
- (NSString *)cnWithoutQuotes {
  /* remove quotes around a CN */
  NSString *_cn;
  
  _cn = [self cn];
  if ([_cn length] <= 2)
    return _cn;
  if ([_cn characterAtIndex:0] != '"')
    return _cn;
  if (![_cn hasSuffix:@"\""])
    return _cn;
  
  return [_cn substringWithRange:NSMakeRange(1, [_cn length] - 2)];
}

- (void)setEmail:(NSString *)_s {
  ASSIGNCOPY(self->email, _s);
}
- (NSString *)email {
  return self->email;
}

- (NSString *)rfc822Email {
  NSString *_email;
  unsigned idx;

  _email = [self email];
  idx    = NSMaxRange([_email rangeOfString:@":"]);

  if ((idx > 0) && ([_email length] > idx))
    return [_email substringFromIndex:idx];

  return _email;
}

- (void)setRsvp:(NSString *)_s {
  ASSIGNCOPY(self->rsvp, _s);
}
- (NSString *)rsvp {
  return self->rsvp;
}

- (void)setXuid:(NSString *)_s {
  ASSIGNCOPY(self->xuid, _s);
}
- (NSString *)xuid {
  return self->xuid;
}

- (void)setRole:(NSString *)_s {
  ASSIGNCOPY(self->role, _s);
}
- (NSString *)role {
  return self->role;
}

- (void)setPartStat:(NSString *)_s {
  ASSIGNCOPY(self->partStat, _s);
}
- (NSString *)partStat {
  return self->partStat;
}
- (NSString *)partStatWithDefault {
  NSString *s;
  
  s = [self partStat];
  if ([s length] > 0)
    return s;
  
  return @"NEEDS-ACTION";
}

- (void)setParticipationStatus:(iCalPersonPartStat)_status {
  NSString *stat;

  switch (_status) {
    case iCalPersonPartStatAccepted:
      stat = @"ACCEPTED";
      break;
    case iCalPersonPartStatDeclined:
      stat = @"DECLINED";
      break;
    case iCalPersonPartStatTentative:
      stat = @"TENTATIVE";
      break;
    case iCalPersonPartStatDelegated:
      stat = @"DELEGATED";
      break;
    case iCalPersonPartStatCompleted:
      stat = @"COMPLETED";
      break;
    case iCalPersonPartStatInProcess:
      stat = @"IN-PROCESS";
      break;
    case iCalPersonPartStatExperimental:
    case iCalPersonPartStatOther:
      [NSException raise:NSInternalInconsistencyException
                   format:@"Attempt to set meaningless "
                          @"participationStatus (%d)!", _status];
      stat = nil; /* keep compiler happy */
      break;
    default:
      stat = @"NEEDS-ACTION";
      break;
  }
  [self setPartStat:stat];
}

- (iCalPersonPartStat)participationStatus {
  NSString *stat;
  
  stat = [[self partStat] uppercaseString];
  if (![stat isNotNull] || [stat isEqualToString:@"NEEDS-ACTION"])
    return iCalPersonPartStatNeedsAction;
  else if ([stat isEqualToString:@"ACCEPTED"])
    return iCalPersonPartStatAccepted;
  else if ([stat isEqualToString:@"DECLINED"])
    return iCalPersonPartStatDeclined;
  else if ([stat isEqualToString:@"TENTATIVE"])
    return iCalPersonPartStatTentative;
  else if ([stat isEqualToString:@"DELEGATED"])
    return iCalPersonPartStatDelegated;
  else if ([stat isEqualToString:@"COMPLETED"])
    return iCalPersonPartStatCompleted;
  else if ([stat isEqualToString:@"IN-PROCESS"])
    return iCalPersonPartStatInProcess;
  else if ([stat hasPrefix:@"X-"])
    return iCalPersonPartStatExperimental;
  return iCalPersonPartStatOther;
}


/* comparison */

- (unsigned)hash {
  if([self email])
    return [[self email] hash];
  return [super hash];
}

- (BOOL)isEqual:(id)_other {
  if(_other == nil)
    return NO;
  if([_other class] != self->isa)
    return NO;
  if([_other hash] != [self hash])
    return NO;
  return [self isEqualToPerson:_other];
}

- (BOOL)isEqualToPerson:(iCalPerson *)_other {
  if(![self hasSameEmailAddress:_other])
    return NO;
  if(!IS_EQUAL([self cn], [_other cn], isEqualToString:))
    return NO;
  if(!IS_EQUAL([self rsvp], [_other rsvp], isEqualToString:))
    return NO;
  if(!IS_EQUAL([self partStat], [_other partStat], isEqualToString:))
    return NO;
  if(!IS_EQUAL([self role], [_other role], isEqualToString:))
    return NO;
  if(!IS_EQUAL([self xuid], [_other xuid], isEqualToString:))
    return NO;
  return YES;
}

- (BOOL)hasSameEmailAddress:(iCalPerson *)_other {
  return IS_EQUAL([[self email] lowercaseString],
                  [[_other email] lowercaseString],
                  isEqualToString:);
}

/* descriptions */

- (NSString *)description {
  NSMutableString *ms;

  ms = [NSMutableString stringWithCapacity:128];
  [ms appendFormat:@"<0x%p[%@]:", self, NSStringFromClass([self class])];

  if (self->cn)       [ms appendFormat:@" cn=%@",     self->cn];
  if (self->email)    [ms appendFormat:@" email=%@",  self->email];
  if (self->role)     [ms appendFormat:@" role=%@",   self->role];
  if (self->xuid)     [ms appendFormat:@" uid=%@",    self->xuid];
  if (self->partStat) [ms appendFormat:@" status=%@", self->partStat];
  if (self->rsvp)     [ms appendFormat:@" rsvp=%@",   self->rsvp];

  [ms appendString:@">"];
  return ms;
}

@end /* iCalPerson */