//
//  MPT_PluginControllerBase.m
//  AUCoderDemo
//
//  Created by Andrew Salamon on 6/13/08.
//  Copyright (c) 2008 Machine Perception Laboratory,
//  University of California San Diego. All rights reserved.

#import "MPT_PluginControllerBase.h"

#import "MPT_Preferences.h"

@implementation MPT_PluginControllerBase
+ (NSSet *)keyPathsForValuesAffectingvisiblePlugins
{
	return [NSSet setWithObject:@"plugins"];
}

- (id)init
{
	if( self = [super init] )
	{
		plugins = [[NSMutableArray alloc] init];
	}
	
	return self;
}

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

- (void)setPlugins:(NSArray *)newPlugins
{
	[plugins autorelease];
	plugins = [newPlugins mutableCopy];
}

- (NSArray *)plugins
{
	return plugins;
}
- (NSArray *)sortedPlugins
{
	return [[self plugins] sortedArrayUsingDescriptors:[MPT_Preferences pluginTableSortDescriptors]];
}
- (NSArray *)pluginsForStep:(NSString *)step
{
	NSMutableArray *steppers = [NSMutableArray array];
	NSEnumerator *plugEnum = [plugins objectEnumerator];
	id plugin;
	while( plugin = [plugEnum nextObject] )
	{
		if( [[plugin step] isEqualToString:step] )
			[steppers addObject:plugin];
	}
	return steppers;
}

- (NSArray *)enabledPluginsForStep:(NSString *)step
{
	NSMutableArray *steppers = [NSMutableArray array];
	NSEnumerator *plugEnum = [plugins objectEnumerator];
	id plugin;
	while( plugin = [plugEnum nextObject] )
	{
		if( [[plugin step] isEqualToString:step] && [plugin enabled] )
			[steppers addObject:plugin];
	}
	return steppers;
}

- (id<MPT_PluginProtocol>)pluginForPluginID:(NSString *)pluginID
{
	NSEnumerator *plugEnum = [plugins objectEnumerator];
	id plugin;
	while( plugin = [plugEnum nextObject] )
	{
		if( [[plugin pluginID] isEqualToString:pluginID] )
			return plugin;
	}
	return nil;
}

- (NSArray *)visiblePlugins
{
	// This will hide the Face plugin stub, and all feature plugins (requested by Javier).
	NSMutableArray *goodPlugins = [NSMutableArray array];
	NSEnumerator *plugEnum = [[self plugins] objectEnumerator];
	id<MPT_PluginProtocol> plugin;
	while( plugin = [plugEnum nextObject] )
	{
		if( ![[plugin step] isEqualToString:MPT_PluginStep_NoStep]
		   && ![[plugin step] isEqualToString:MPT_PluginStep_Features] )
			[goodPlugins addObject:plugin];
	}
	return goodPlugins;
}

- (BOOL)removePlugin:(NSString *)pluginID
{
	return NO;
}

@end