/*
  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.
*/

#import <Foundation/NSString.h>

#import <NGObjWeb/NSException+HTTP.h>
#import <NGObjWeb/WOContext+SoObjects.h>
#import <NGExtensions/NSNull+misc.h>
#import <NGExtensions/NSObject+Logs.h>

#import "../SOGo/NSArray+Utilities.h"
#import "../SOGo/SOGoUser.h"

#import "SOGoMailAccounts.h"

@implementation SOGoMailAccounts

static NSString *AgenorShareLoginMarker  = @".-.";

/* listing the available mailboxes */

- (BOOL) isInHomeFolderBranchOfLoggedInAccount: (NSString *) userLogin
{
  return [[container nameInContainer] isEqualToString: userLogin];
}

- (NSArray *) toManyRelationshipKeys
{
  NSArray *accounts;

  accounts = [[context activeUser] mailAccounts];

  return [accounts objectsForKey: @"name"];
}

/* name lookup */

- (BOOL) isValidMailAccountName: (NSString *) _key
{
  NSArray *accounts;

  accounts = [[context activeUser] mailAccounts];

  return [[accounts objectsForKey: @"name"] containsObject: _key];
}

- (id) mailAccountWithName: (NSString *) _key
		 inContext: (id) _ctx
{
  static Class ctClass = Nil;
  id ct;
  
  if (ctClass == Nil)
    ctClass = NSClassFromString(@"SOGoMailAccount");
  if (ctClass == Nil) {
    [self errorWithFormat:@"missing SOGoMailAccount class!"];
    return nil;
  }
  
  ct = [[ctClass alloc] initWithName:_key inContainer:self];

  return [ct autorelease];
}

- (id) sharedMailAccountWithName: (NSString *) _key
		       inContext: (id) _ctx
{
  static Class ctClass = Nil;

  if (ctClass == Nil)
    ctClass = NSClassFromString (@"SOGoSharedMailAccount");
  if (ctClass == Nil)
    [self errorWithFormat:@"missing SOGoSharedMailAccount class!"];
  
  return [ctClass objectWithName: _key inContainer: self];
}

- (id) lookupName: (NSString *) _key
	inContext: (id) _ctx
	  acquire: (BOOL) _flag
{
  id obj;
  NSString *userLogin;

  userLogin = [[context activeUser] login];
  
  /* first check attributes directly bound to the application */
  if ((obj = [super lookupName:_key inContext:_ctx acquire:NO]))
    return obj;

  if (![self isInHomeFolderBranchOfLoggedInAccount: userLogin]) {
    [self warnWithFormat:@ "User %@ tried to access mail hierarchy of %@",
	  userLogin, [container nameInContainer]];
    
    return [NSException exceptionWithHTTPStatus:403 /* Forbidden */
			reason:@"Tried to access the mail of another user"];
  }
  
  if ([self isValidMailAccountName:_key]) {
    BOOL isSharedKey;
    
    isSharedKey = [_key rangeOfString:AgenorShareLoginMarker].length > 0;
    
    return isSharedKey
      ? [self sharedMailAccountWithName:_key inContext:_ctx]
      : [self mailAccountWithName:_key inContext:_ctx];
  }

  /* return 404 to stop acquisition */
  return [NSException exceptionWithHTTPStatus:404 /* Not Found */];
}

@end /* SOGoMailAccounts */