/*
 * Grouch.app				Copyright (C) 2006 Andy Sveikauskas
 * ------------------------------------------------------------------------
 * This program is free software under the GNU General Public License
 * --
 * User structure.  This also involves UI code for IM windows.
 */

#import <User.h>
#import <String.h>
#import <Defaults.h>
#import <ClientInstance.h>
#import <Channel.h>

#import <Grouch/GrouchStringTool.h>
#import <Grouch/GrouchHtml.h>

#import <Renaissance/Renaissance.h>

@implementation User

+ userWithName:(NSString*)n forClient:(ClientInstance*)c
{
	return [[[User new] initWithName:n forClient:c] autorelease];
}

- initWithName:(NSString*)n forClient:(ClientInstance*)c
{
	[super init];
	[name=n retain];
	cli = c;
	window = nil;
	chatRooms = [NSMutableDictionary new];
	return self;
}

- (void)dealloc
{
	if( window )
		[window performClose:self];
	if( originalWindowTitle )
		[originalWindowTitle release];
	[chatRooms release];
	[name release];
	if( alias )
		[alias release];
	[super dealloc];
}

- (void)setTitle
{
	if( window )
	{
		NSString *a = [self alias];
		if( ![a isEqual:name] )
			a = [NSString stringWithFormat:@"%@ (%@)", a, name];
		[window setTitle:[NSString stringWithFormat:@"%@%@",
		 originalWindowTitle, a]];
	}
}


- (void)setNick:(NSString*)n
{
	if( name != n && ![n isEqual:name] )
	{
		if( name )
			[name release];
		[name=n retain];
		[self reloadData];
		[self setTitle];
	}
}

- (void)setAlias:(NSString*)a
{
	if( alias != a && ![a isEqual:alias] )
	{
		if( alias )
			[alias release];
		if( (alias=a) )
			[alias retain];
		[self reloadData];
		[self setTitle];
	}
}

- (void)message:(NSString*)s withFlags:(GrouchMessageFlags)f
{
	[self createWindow];
	[self append:[cli formatMessage:s from:name withFlags:f]];
	if( !(f&GrouchMessageReflect) )
		[cli processAutoReply:name];

	// Make OS X's Dock bounce until focus.
	[NSApp requestUserAttention:NSCriticalRequest];
}

- (void)append:(NSAttributedString*)str
{
	NSTextStorage *text = [output textStorage];
	[text beginEditing];
	[text appendAttributedString:str];
	[text appendAttributedString:[@" \n" attributed]];
	[text endEditing];

	// XXX: this should be conditional and work with scrolling widgets...
	// but I couldn't get that to work.
	[output moveToEndOfDocument:output];
	[output scrollRangeToVisible:[output selectedRange]];
}

- (void)createWindow
{
	if( !window )
	{
		if( originalWindowTitle )
			[originalWindowTitle release];
		[NSBundle loadGSMarkupNamed:@"MsgWindow" owner:self];
		originalWindowTitle = [[window title] retain];
		[self setTitle];
		[cli addDependentWindow:window];
		[input setDefaultFont];
	}
	[window orderFront:nil];
	[window makeKeyWindow];
}

- (void)textIn
{
	NSString *msg;

	if( !cli )
		return;

	[[input textStorage] inferLinks];
	msg = [[input textStorage] generateHtml];
	if( [msg length] )
	{
		id<GrouchSession> ses = [cli session];
		[ses sendMessage:msg to:name withFlags:GrouchMessageReflect];
		[[input textStorage] deleteCharactersInRange:
		 NSMakeRange(0, [[input textStorage] length])];
	}
	[window makeFirstResponder:input];
}

- (BOOL)windowShouldClose:sender
{
	if( cli )
		[cli removeDependentWindow:window];
	[window autorelease];
	[scroll release];
	[output release];
	[input release];
	window = nil;
	scroll = nil;
	output = nil;
	input = nil;
	if( !cli )
		[self release];
	return YES;
}

- (BOOL)windowShouldDetach:sender
{
	[self retain];
	cli = nil;
	return YES;
}

- (BOOL)mayRelease
{
	return !window && [self retainCount] <= 1 && ![chatRooms count];
}

- (void)joinChat:(NSString*)room
{
	[chatRooms setObject:room forKey:[room screenNameKey]];
}
- (void)partChat:(NSString*)room
{
	[chatRooms removeObjectForKey:[room screenNameKey]];
}

- (NSString*)name
{
	return name;
}

- (NSString*)alias
{
	return alias ? alias : name;
}

- (BOOL)online
{
	return online;
}

- (void)online:(BOOL)on
{
	online = on;
}

- (time_t)onlineSince
{
	return onlineSince;
}

- (void)idle:(time_t)t
{
	idle = t;
}

- (time_t)idle
{
	return idle;
}

- (void)away:(BOOL)a
{
	away = a;
}

- (BOOL)away
{
	return away;
}

- (void)warn:(int)w
{
	warn = w;
}

- (int)warn
{
	return warn;
}

- (void)onlineSince:(time_t)t
{
	onlineSince = t;
}

- getActiveUser
{
	return cli ? self : nil;
}

- getActiveClient
{
	return cli;
}

- (ClientInstance*)instance
{
	return cli;
}

- (NSAttributedString*)attributedStringValue
{
	NSString *state = online ?
			    away ? (idle ? @"away+idle":@"away") :
			    idle ? @"idle" : @"normal"
			  : @"offline";
	NSString *html = [Defaults get:state fromDict:@"Buddy List Tags"];
	NSMutableString *append = [NSMutableString string];
	NSString *plain = [self alias];

	if( away )
		[append appendString:[GrouchString getString:@"away"]];

	if( warn )
		[append appendString:[NSString stringWithFormat:@" (%i%%)",
		 warn]];

	return [[NSString stringWithFormat:@"%@%@%@",
			 html?html:@"", plain?plain:@"", append] parseHtml];
}

// Logical Xor.
#define XOR(a,b)	((a?1:0) ^ (b?1:0))

- (void)reloadData
{
	NSEnumerator *e = [chatRooms objectEnumerator];
	NSString *c;
	while( (c = [e nextObject]) )
		[[cli getChannel:c] reloadData];
	if( [self retainCount] > 1 )
		[cli reloadData:XOR(online,lastOnlineStatus)];
	lastOnlineStatus = online;
}

@end