/*
  Copyright (C) 2004-2005 SKYRIX Software AG

  This file is part of OpenGroupware.org.

  OGo 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.

  OGo 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 OGo; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "UIxContactEditorBase.h"
#include <Contacts/SOGoContactObject.h>
#include <Contacts/SOGoContactFolder.h>
#include "common.h"

@implementation UIxContactEditorBase

- (id)init {
  if ((self = [super init])) {
    self->snapshot = [[NSMutableDictionary alloc] initWithCapacity:16];
  }
  return self;
}

- (void)dealloc {
  [self->snapshot      release];
  [self->errorText     release];
  [self->contentString release];
  [super dealloc];
}

/* accessors */

- (void)setContentString:(NSString *)_cstr {
  ASSIGNCOPY(self->contentString, _cstr);
}
- (NSString *)contentString {
  return self->contentString;
}

- (NSString *)contentStringTemplate {
  return @"{}"; /* empty property list */
}

- (NSMutableDictionary *)snapshot {
  return self->snapshot;
}

- (void)setErrorText:(NSString *)_txt {
  ASSIGNCOPY(self->errorText, _txt);
}
- (NSString *)errorText {
  return self->errorText;
}
- (BOOL)hasErrorText {
  return [self->errorText length] > 0 ? YES : NO;
}

/* load/store content format */

- (void)loadValuesFromContentString:(NSString *)_s {
  NSDictionary *plist;
  
  if ((plist = [_s propertyList]) == nil) {
    [self errorWithFormat:@"could not parse content string!"];
    return;
  }
  
  [self->snapshot removeAllObjects];
  [self->snapshot addEntriesFromDictionary:plist];
}

- (void)_fixupSnapshot {
  // TODO: perform sanity checking, eg build CN on demand
  NSString *cn, *gn, *sn;
  
  cn = [self->snapshot objectForKey:@"cn"];
  gn = [self->snapshot objectForKey:@"givenName"];
  sn = [self->snapshot objectForKey:@"sn"];
  
  if (![sn isNotNull] || [sn length] == 0)
    sn = nil;
  if (![cn isNotNull] || [cn length] == 0)
    cn = nil;
  
  if (sn == nil) {
    if (cn == nil)
      sn = @"[noname]";
    else {
      // TODO: need a better name parser here
      NSRange r;
      
      r = [cn rangeOfString:@" "];
      sn = (r.length > 0)
	? [cn substringFromIndex:(r.location + r.length)]
	: cn;
    }
    [self->snapshot setObject:sn forKey:@"sn"];
  }
  
  if (sn == nil && gn == nil)
    cn = @"[noname]";
  else if (sn == nil)
    cn = gn;
  else if (gn == nil)
    cn = sn;
  else
    cn = [[gn stringByAppendingString:@" "] stringByAppendingString:sn];
  [self->snapshot setObject:cn forKey:@"cn"];
}

- (void)saveValuesIntoRecord:(NSMutableDictionary *)_record {
  [self _fixupSnapshot];
  [_record addEntriesFromDictionary:[self snapshot]];
}

/* JavaScript */

- (NSString *)jsCopyContactCode {
  static NSString *jsCode = \
    @"function unescapeCallbackParameter(s) {\n"
    @"  if(!s || s.length == 0)\n"
    @"    return s;\n"
    @"  s = s.replace(/&apos;/g, \"'\");\n"
    @"  s = s.replace(/&quot;/g, '\"');\n"
    @"  return s;\n"
    @"}\n"
    @"\n"
    @"function copyContact()"
    @"{\n"
    @"  var type = arguments[0]; \n"
    @"  var email = arguments[1]; \n"
    @"  var uid = arguments[2]; \n"
    @"  var sn = arguments[3]; \n"
    @"  var givenName = arguments[4]; \n"
    @"  var telephoneNumber = arguments[5]; \n"
    @"  var facsimileTelephoneNumber = arguments[6]; \n"
    @"  var mobile = arguments[7]; \n"
    @"  var postalAddress = arguments[8]; \n"
    @"  var homePostalAddress = arguments[9]; \n"
    @"  var departmentNumber = arguments[10]; \n"
    @"  var l = arguments[11]; \n"
    @"  var e;\n"
    @"  e = document.getElementById('email');\n"
    @"  e.setAttribute('value', email);\n"
    @"  e = document.getElementById('sn');\n"
    @"  e.setAttribute('value', unescapeCallbackParameter(sn));\n"
    @"  e = document.getElementById('givenName');\n"
    @"  e.setAttribute('value', unescapeCallbackParameter(givenName));\n"
    @"  e = document.getElementById('telephoneNumber');\n"
    @"  e.setAttribute('value', telephoneNumber);\n"
    @"  e = document.getElementById('facsimileTelephoneNumber');\n"
    @"  e.setAttribute('value', facsimileTelephoneNumber);\n"
    @"  e = document.getElementById('mobile');\n"
    @"  e.setAttribute('value', mobile);\n"
    @"  e = document.getElementById('postalAddress');\n"
    @"  e.setAttribute('value', unescapeCallbackParameter(postalAddress));\n"
    @"  e = document.getElementById('homePostalAddress');\n"
    @"  e.setAttribute('value', unescapeCallbackParameter(homePostalAddress));\n"
    @"  e = document.getElementById('departmentNumber');\n"
    @"  e.setAttribute('value', unescapeCallbackParameter(departmentNumber));\n"
    @"  e = document.getElementById('l');\n"
    @"  e.setAttribute('value', unescapeCallbackParameter(l));\n"
    @"}\n";
  return jsCode;
}

/* helper */

- (NSString *)_completeURIForMethod:(NSString *)_method {
  // TODO: this is a DUP of UIxAppointmentEditor
  NSString *uri;
  NSRange r;
    
  uri = [[[self context] request] uri];
    
  /* first: identify query parameters */
  r = [uri rangeOfString:@"?" options:NSBackwardsSearch];
  if (r.length > 0)
    uri = [uri substringToIndex:r.location];
    
  /* next: append trailing slash */
  if (![uri hasSuffix:@"/"])
    uri = [uri stringByAppendingString:@"/"];
  
  /* next: append method */
  uri = [uri stringByAppendingString:_method];
    
  /* next: append query parameters */
  return [self completeHrefForMethod:uri];
}

/* actions */

- (BOOL)shouldTakeValuesFromRequest:(WORequest *)_rq inContext:(WOContext*)_c{
  return YES;
}

- (id)defaultAction {
  // TODO: very similiar to apt-editor (apt editor would need to use std names
  NSString *c;
  
  /* load iCalendar file */
  
  c = [[self clientObject] contentAsString];
  if ([c length] == 0) /* a new contact */
    c = [self contentStringTemplate];
  
  [self setContentString:c];
  [self loadValuesFromContentString:c];
  
  return self;
}

- (BOOL)isWriteableClientObject {
  return [[self clientObject] 
	        respondsToSelector:@selector(saveContentString:)];
}

- (NSString *)viewActionName {
  /* this is overridden in the mail based contacts UI to redirect to tb.edit */
  return @"";
}
- (NSString *)editActionName {
  /* this is overridden in the mail based contacts UI to redirect to tb.edit */
  return @"edit";
}

- (id)saveAction {
  NSException *ex;
  NSString *recstr, *uri;
  id record;
  
  if (![self isWriteableClientObject]) {
    return [NSException exceptionWithHTTPStatus:400 /* Bad Request */
                        reason:@"method cannot be invoked on "
                               @"the specified object"];
  }
  
  if ((record = [self contentString]) == nil) {
    [self setErrorText:@"Missing object content!"]; // localize
    return self;
  }
  record = [[[record propertyList] mutableCopy] autorelease];
  if (record == nil) {
    [self setErrorText:@"Invalid property list data ..."]; // localize
    return self;
  }
  
  [self saveValuesIntoRecord:record];
  
  // TODO: directly hacking the content, hm, not so nice or reasonable?
  recstr = [record description]; // make plist
  ex = [[self clientObject] saveContentString:recstr];
  if (ex != nil) {
    [self setErrorText:[ex reason]];
    return self;
  }
  
  uri = ([(uri = [self viewActionName]) length] > 0)
    ? [self viewActionName] : @"..";
  uri = [self _completeURIForMethod:uri];
  return [self redirectToLocation:uri];
}

- (id)testAction {
  [self logWithFormat:@"test ..."];
  return self;
}

- (id)newAction {
  // TODO: this is almost a DUP of UIxAppointmentEditor
  /*
    This method creates a unique ID and redirects to the "edit" method on the
    new ID.
    It is actually a folder method and should be defined on the folder.
    
    Note: 'clientObject' is the SOGoAppointmentFolder!
          Update: remember that there are group folders as well.
  */
  NSString *uri, *objectId, *nextMethod;
  
  objectId = [NSClassFromString(@"SOGoContactFolder") globallyUniqueObjectId];
  if ([objectId length] == 0) {
    return [NSException exceptionWithHTTPStatus:500 /* Internal Error */
			reason:@"could not create a unique ID"];
  }
  
  nextMethod = [NSString stringWithFormat:@"../%@/%@", 
			   objectId, [self editActionName]];
  uri = [self _completeURIForMethod:nextMethod];
  return [self redirectToLocation:uri];
}

@end /* UIxContactEditorBase */