//
//  WiiRemoteDiscoveryAgent.m
//  WiiToMidi
//
//  Created by Mike Verdone on 19/03/07.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import "WiiRemoteDiscoveryAgent.h"

static WiiRemoteDiscoveryAgent* agent;

@implementation WiiRemoteDiscoveryAgent

+(WiiRemoteDiscoveryAgent*) getInstance
{
	if (nil == agent)
	{
		agent = [[WiiRemoteDiscoveryAgent alloc] init];
	}
	return agent;
}

+(void) discoveryError
{
	// No Bluetooth. Blarg im ded!
	[[NSAlert alertWithMessageText:@"Bluetooth Unavailable" defaultButton:nil
		alternateButton:nil otherButton:nil 
		informativeTextWithFormat:@"Turn Bluetooth On and relaunch WiiToMidi."]
		runModal];
	[NSApp terminate:self];
}

-(id) init
{
	_controllers = [[NSMutableArray alloc] init];
	//_discovery = [[WiiRemoteDiscovery discoveryWithDelegate:self] retain];
	_discovery = [[WiiRemoteDiscovery alloc] init];
	[_discovery setDelegate:self];
	return self;
}

-(id) registerDelegate:(WiiMidiDelegate*)delegate
{
	[_controllers addObject:delegate];
	if ([_discovery start] != kIOReturnSuccess) [WiiRemoteDiscoveryAgent discoveryError];
	return self;
}

-(id) unregisterDelegate:(WiiMidiDelegate*)delegate
{
	[_controllers removeObject:delegate];
	
	NSLog(@"Controllers waiting for wii remotes: %i", [_controllers count]);

	if (0 != [_controllers count])
	{
		NSLog(@"Discovery started");
		if ([_discovery start] != kIOReturnSuccess) [WiiRemoteDiscoveryAgent discoveryError];
	}
	else
	{
		[_discovery stop];
	}
	
	return self;
}

@end


@implementation WiiRemoteDiscoveryAgent( WiiRemoteDiscoveryDelegate )

-(void) willStartWiimoteConnections
{
  NSLog(@"willStartWiimoteConnections called");
}

-(void) WiiRemoteDiscovered:(WiiRemote*)wii
{
	NSLog(@"Wiimote connected.");
	if (0 == [_controllers count])
	{
		NSLog(@"No delegates ready to receive controllers :-(");
		return;
	}
	WiiMidiDelegate* delegate = (WiiMidiDelegate*) [_controllers objectAtIndex:0];
	[delegate setWiiRemote:wii];
	[self unregisterDelegate:delegate];
}

-(void) WiiRemoteDiscoveryError:(int)code
{
	NSLog(@"Wii remote discovery error, code %i", code);
}

@end