/*
  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 <NGObjWeb/WOApplication.h>
#import <NGObjWeb/WOContext.h>
#import <NGObjWeb/WOCookie.h>
#import <NGObjWeb/WORequest.h>
#import <NGObjWeb/WOResponse.h>
#import <NGExtensions/NSNull+misc.h>
#import <NGExtensions/NSString+misc.h>
#import <NGExtensions/NSObject+Logs.h>

#import <SoObjects/SOGo/SOGoAuthenticator.h>
#import <SoObjects/SOGo/SOGoUser.h>

#import "SOGoRootPage.h"

@implementation SOGoRootPage

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

/* accessors */

- (void) setUserName: (NSString *) _value
{
  ASSIGNCOPY (userName, _value);
}

- (NSString *) userName
{
  return userName;
}

/* actions */

- (id <WOActionResults>) defaultAction
{
  WOResponse *r;
  NSString *login, *rhk;
  SOGoAuthenticator *auth;
  SOGoUser *user;
  SOGoUserFolder *home;
  WOApplication *base;

  /* 
     Note: ctx.activeUser is NOT set here. Don't know why, so we retrieve
           the user from the authenticator.
  */
  
  auth = [[self clientObject] authenticatorInContext: context];
  user = [auth userInContext: context];
  login = [user login];
  
  if ([login isEqualToString:@"anonymous"]) {
    /* use root page for unauthenticated users */
    return self;
  }

  /* check base */

  base = [self application];
  rhk = [[context request] requestHandlerKey];
  if (([rhk length] == 0) || ([base requestHandlerForKey:rhk] == nil)) {
    base = [base lookupName: @"so" inContext: context acquire: NO];
    
    if (![base isNotNull] || [base isKindOfClass:[NSException class]]) {
      /* use root page if home could not be found */
      [self errorWithFormat:@"Did not find 'so' request handler!"];
      return self;
    }
  }
  
  /* lookup home-page */

  home = [base lookupName: login inContext: context acquire: NO];
  if (![home isNotNull] || [home isKindOfClass:[NSException class]]) {
    /* use root page if home could not be found */
    return self;
  }
  
  /* redirect to home-page */
  
  r = [context response];
  [r setStatus: 302 /* moved */];
  [r setHeader: [home baseURLInContext: context]
     forKey: @"location"];

  return r;
}

/* response generation */

- (void) appendToResponse: (WOResponse *) response
		inContext: (WOContext *) ctx
{
  NSString *rhk;

  // TODO: we might also want to look into the HTTP basic-auth to redirect to
  //       the login URL!
  
  rhk = [[ctx request] requestHandlerKey];
  if ([rhk length] == 0
      || [[self application] requestHandlerForKey: rhk] == nil)
    {
      /* a small hack to redirect to a valid URL */
      NSString *url;
    
      url = [ctx urlWithRequestHandlerKey: @"so" path: @"/" queryString: nil];
      [response setStatus: 302 /* moved */];
      [response setHeader: url forKey: @"location"];
      [self logWithFormat: @"URL: %@", url];
      return;
    }

  [response setHeader: @"text/html" forKey: @"content-type"];
  [super appendToResponse: response inContext: ctx];
}

@end /* SOGoRootPage */