/*

  Copyright (c) The Growl Project, 2004-2005

  All rights reserved.

  Redistribution and use in source and binary forms, with or without modification,

  are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright

  notice, this list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright

  notice, this list of conditions and the following disclaimer in the

  documentation and/or other materials provided with the distribution.

  3. Neither the name of Growl nor the names of its contributors

  may be used to endorse or promote products derived from this software

  without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,

  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE

  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

  OF THE POSSIBILITY OF SUCH DAMAGE.

 */

 //

 //  Message+GrowlMail.m

 //  GrowlMail

 //

 //  Created by Ingmar Stein on 27.10.04.

 //

 #import "Message+GrowlMail.h"

 #import "GrowlMailNotifier.h"

 #import <AddressBook/AddressBook.h>

 #import <Growl/Growl.h>

 @interface NSString (GrowlMail_KeywordReplacing)

 - (NSString *) stringByReplacingKeywords:(NSArray *)keywords

                               withValues:(NSArray *)values;

 @end

 @interface NSMutableString (GrowlMail_LineOrientedTruncation)

 - (void) trimStringToFirstNLines:(unsigned)n;

 @end

 @implementation Message (GrowlMail)

 - (void) GMShowNotificationPart1 {

 	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

 	MessageBody *messageBody = nil;

 	GrowlMailNotifier *notifier = [GrowlMailNotifier sharedNotifier];

 	NSString *titleFormat = [notifier titleFormat];

 	NSString *descriptionFormat = [notifier descriptionFormat];

 	if ([titleFormat rangeOfString:@"%body"].location != NSNotFound ||

 			[descriptionFormat rangeOfString:@"%body"].location != NSNotFound) {

 		/* We will need the body */

 		messageBody = [self messageBodyIfAvailable];

 		int nonBlockingAttempts = 0;

 		while (!messageBody && nonBlockingAttempts < 3) {

 			/* No message body available yet, but we need one */

 			nonBlockingAttempts++;

 			[NSThread sleepUntilDate:[NSDate dateWithTimeIntervalSinceNow:(0.5 * nonBlockingAttempts)]];

 			/* We'd prefer to let whatever Mail process might want the message body get it on its own terms rather than blocking on this thread */

 			messageBody = [self messageBodyIfAvailable];

 		}

 		/* Already tried three times (3 seconds); this time, block this thread to get it. */ 

 		if (!messageBody) messageBody = [self messageBody];

 	}

 	[self performSelectorOnMainThread:@selector(GMShowNotificationPart2:)

 						   withObject:messageBody

 						waitUntilDone:NO];

 	[pool release];

 }

 - (void) GMShowNotificationPart2:(MessageBody *)messageBody {

 	NSString *account = (NSString *)[[[self mailbox] account] displayName];

 	NSString *sender = [self sender];

 	NSString *senderAddress = [sender uncommentedAddress];

 	NSString *subject = (NSString *)[self subject];

 	NSString *body;

 	GrowlMailNotifier *notifier = [GrowlMailNotifier sharedNotifier];

 	NSString *titleFormat = [notifier titleFormat];

 	NSString *descriptionFormat = [notifier descriptionFormat];

 	/* The fullName selector is not available in Mail.app 2.0. */

 	if ([sender respondsToSelector:@selector(fullName)])

 		sender = [sender fullName];

 	else if ([sender addressComment])

 		sender = [sender addressComment];

 	if (messageBody) {

 		NSString *originalBody = nil;

 		/* stringForIndexing selector: Mail.app 3.0 in OS X 10.4, not in 10.5. */

 		if ([messageBody respondsToSelector:@selector(stringForIndexing)])

 			originalBody = [messageBody stringForIndexing];

 		else if ([messageBody respondsToSelector:@selector(attributedString)])

 			originalBody = [[messageBody attributedString] string];

 		else if ([messageBody respondsToSelector:@selector(stringValueForJunkEvaluation:)])

 			originalBody = [messageBody stringValueForJunkEvaluation:NO];

 		if (originalBody) {

 			NSMutableString *transformedBody = [[[originalBody stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] mutableCopy] autorelease];

 			unsigned lengthWithoutWhitespace = [transformedBody length];

 			[transformedBody trimStringToFirstNLines:4U];

 			unsigned length = [transformedBody length];

 			if (length > 200U) {

 				[transformedBody deleteCharactersInRange:NSMakeRange(200U, length - 200U)];

 				length = 200U;

 			}

 			if (length != lengthWithoutWhitespace)

 				[transformedBody appendString:[NSString stringWithUTF8String:"\xE2\x80\xA6"]];

 			body = (NSString *)transformedBody;

 		} else {

 			body = @"";	

 		}

 	} else {

 		body = @"";

 	}

 	NSArray *keywords = [NSArray arrayWithObjects:

 		@"%sender",

 		@"%subject",

 		@"%body",

 		@"%account",

 		nil];

 	NSArray *values = [NSArray arrayWithObjects:

 		(sender ? sender : @""),

 		(subject ? subject : @""),

 		(body ? body : @""),

 		(account ? account : @""),

 		 nil];

 	NSString *title = [titleFormat stringByReplacingKeywords:keywords withValues:values];

 	NSString *description = [descriptionFormat stringByReplacingKeywords:keywords withValues:values];

 	/*

 	NSLog(@"Subject: '%@'", subject);

 	NSLog(@"Sender: '%@'", sender);

 	NSLog(@"Account: '%@'", account);

 	NSLog(@"Body: '%@'", body);

 	*/

 	/*

 	 * MailAddressManager fetches images asynchronously so they might arrive

 	 * after we have sent our notification.

 	 */

 	/*

 	MailAddressManager *addressManager = [MailAddressManager addressManager];

 	[addressManager fetchImageForAddress:senderAddress];

 	NSImage *image = [addressManager imageForMailAddress:senderAddress];

 	*/

 	ABSearchElement *personSearch = [ABPerson searchElementForProperty:kABEmailProperty

 																 label:nil

 																   key:nil

 																 value:senderAddress

 															comparison:kABEqualCaseInsensitive];

 	NSData *image = nil;

 	NSEnumerator *matchesEnum = [[[ABAddressBook sharedAddressBook] recordsMatchingSearchElement:personSearch] objectEnumerator];

 	ABPerson *person;

 	while ((!image) && (person = [matchesEnum nextObject]))

 		image = [person imageData];

 	//no matches in the Address Book with an icon, so use Mail's icon instead.

 	if (!image)

 		image = [[NSImage imageNamed:@"NSApplicationIcon"] TIFFRepresentation];

 	NSString *notificationName;

 	if ([self isJunk] || ([[MailAccount junkMailboxUids] containsObject:[self mailbox]])) {

 		notificationName = NEW_JUNK_MAIL_NOTIFICATION;

 	} else {

 		if ([self respondsToSelector:@selector(type)] && [self type] == MESSAGE_TYPE_NOTE) {

 			notificationName = NEW_NOTE_NOTIFICATION;

 		} else {

 			notificationName = NEW_MAIL_NOTIFICATION;

 		}

 	}

 	NSString *clickContext = [self messageID];

 	[GrowlApplicationBridge notifyWithTitle:title

 								description:description

 						   notificationName:notificationName

 								   iconData:image

 								   priority:0

 								   isSticky:NO

 							   clickContext:clickContext];	// non-nil click context

 	[notifier didFinishNotificationForMessage:self];

 }

 @end

 @implementation NSString (GrowlMail_KeywordReplacing)

 - (NSString *) stringByReplacingKeywords:(NSArray *)keywords

                               withValues:(NSArray *)values

 {

 	NSParameterAssert([keywords count] == [values count]);

 	NSMutableString *str = [[self mutableCopy] autorelease];

 	NSEnumerator *keywordsEnum = [keywords objectEnumerator], *valuesEnum = [values objectEnumerator];

 	NSString *keyword, *value;

 	while ((keyword = [keywordsEnum nextObject]) && (value = [valuesEnum nextObject])) {

 		[str replaceOccurrencesOfString:keyword

 		                     withString:value

 		                        options:0

 		                          range:NSMakeRange(0, [str length])];

 	}

 	return str;

 }

 @end

 @implementation NSMutableString (GrowlMail_LineOrientedTruncation)

 - (void) trimStringToFirstNLines:(unsigned)n {

 	NSRange range;

 	unsigned end;

 	unsigned length;

 	range.location = 0;

 	range.length = 0;

 	for (unsigned i=0U; i<n; ++i)

 		[self getLineStart:NULL end:&range.location contentsEnd:&end forRange:range];

 	length = [self length];

 	if (length > end)

 		[self deleteCharactersInRange:NSMakeRange(end, length - end)];

 }

 @end