/*
  Copyright (C) 2000-2003 SKYRIX Software AG

  This file is part of OGo

  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.
*/
// $Id$

#include "LSWPartBodyViewer.h"
#include "common.h"

@interface NSString(LSWTextPlainBodyViewer)

- (NSString *)stringByWrappingWithWrapLen:(int)_wrapLen
  wrapLongLines:(BOOL)wrapLongLines;

- (NSArray *)findContainedLinks;

@end

@implementation LSWTextPlainBodyViewer

static int UseFoundationStringEncodingForMimeText = -1;

+ (void)initialize {
  UseFoundationStringEncodingForMimeText =
      [[NSUserDefaults standardUserDefaults]
                       boolForKey:@"UseFoundationStringEncodingForMimeText"]
      ? 1 : 0;
}

- (void)dealloc {
  [self->item release];
  [super dealloc];
}


- (BOOL)isDownloadable {
  return YES;
}
/* accessors */

- (void)setItem:(id)_item {
  ASSIGN(self->item, _item);
}
- (id)item {
  return self->item;
}

/* notifications */

- (void)sleep {
  [self setItem:nil];
  [super sleep];
}

- (NSArray *)contentString {
  NSString *s;
  int wrapLength;

  s = nil;
  
  if ([self->body isKindOfClass:[NSString class]]) {
    s = self->body;
  }
  else {
    NSData   *data;
    NSString *en;
    
    if ([self->body isKindOfClass:[NSURL class]]) {
      NSString *part;

      part = [[[self->body query] componentsSeparatedByString:@"="] lastObject];
      data = [self->source contentsOfPart:part];
    }
    else if ([self->body isKindOfClass:[NSData class]]) {
      data = self->body;
    }
    if ((en = [[self encoding] lowercaseString])) {
      if ([en isEqualToString:@"quoted-printable"]) {
        data = [data dataByDecodingQuotedPrintable];
      }
      else if ([en isEqualToString:@"base64"]) {
        data = [data dataByDecodingBase64];
      }
    }
    if (!UseFoundationStringEncodingForMimeText) {
      NSString *charset;

      charset = [[[self partOfBody] contentType] valueOfParameter:@"charset"];

      if (![charset length])
        charset = @"us-ascii";
      
      s = [NSString stringWithData:data usingEncodingNamed:charset];
    }
    if (!s) {
      s = [[[NSString alloc] initWithData:data
                             encoding:NSISOLatin1StringEncoding] autorelease];
    }
  }
  if (!s)
    s = [self->body stringValue];

  wrapLength = [[[self config] valueForKey:@"textWrapWidth"] intValue];

  s = [s stringByWrappingWithWrapLen:wrapLength
         wrapLongLines:[[[self session] userDefaults]
                               boolForKey:@"mail_wrapLongLines"]];

  return [self printMode]
    ?  [NSArray arrayWithObject:
                [NSDictionary dictionaryWithObjectsAndKeys:
                              s,       @"value",
                              @"text", @"kind",
                              nil]]
    : [s findContainedLinks];
}

- (BOOL)isActionLink {
  if ([[self->item objectForKey:@"urlKind"] isEqualToString:@"mailto:"] &&
      [[[[self session] userDefaults] objectForKey:@"mail_editor_type"]
               isEqualToString:@"internal"]) {
    return YES;
  }
  return NO;
}

- (id)sendMail {
  id mailEditor;

  mailEditor = (id)[[self application] pageWithName:@"LSWImapMailEditor"];
  
  if (mailEditor != nil) {
    id val = [self->item objectForKey:@"value"];

    /* remove mailto: */    
    if ([val length] > 7) {
      val = [val substringFromIndex:7];
    }
    [mailEditor addReceiver:val type:@"to"];
    [mailEditor setContentWithoutSign:@""];
    [[[self session] navigation] enterPage:(id<LSWContentPage>)mailEditor];
  }
  return nil;
}

@end /* LSWTextPlainBodyViewer */