/*

 File: SessionManager.h

 Abstract: Manages the GKSession and GKVoiceChatService.  While the game is

 running, it transfers game packets to and from the game and the peer.

 Version: 1.0

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 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

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 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

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 */

#import <UIKit/UIKit.h>

#import <GameKit/GameKit.h> 

typedef enum {

    PacketTypeVoice = 0,

    PacketTypeStart = 1,

    PacketTypeBounce = 2,

    PacketTypeScore = 3,

    PacketTypeTalking = 4,

    PacketTypeEndTalking = 5

} PacketType;

typedef enum {

    ConnectionStateDisconnected,

    ConnectionStateConnecting,

    ConnectionStateConnected

} ConnectionState;

@interface SessionManager : NSObject <GKSessionDelegate> {

    NSString *sessionID;

    GKSession *myGKSession;

    NSString *currentConfPeerID;

    NSMutableArray *peerList;

    id lobbyDelegate;

    id gameDelegate;

    ConnectionState sessionState;

}

@property (nonatomic, readonly) NSString *currentConfPeerID;

@property (nonatomic, readonly) NSMutableArray *peerList;

@property (nonatomic, assign) id lobbyDelegate;

@property (nonatomic, assign) id gameDelegate;

- (void) setupSession;

- (void) connect:(NSString *)peerID;

- (BOOL) didAcceptInvitation;

- (void) didDeclineInvitation;

- (void) sendPacket:(NSData*)data ofType:(PacketType)type;

- (void) disconnectCurrentCall;

- (NSString *) displayNameForPeer:(NSString *)peerID;

@end

// Class extension for private methods.

@interface SessionManager ()

- (BOOL) comparePeerID:(NSString*)peerID;

- (BOOL) isReadyToStart;

- (void) voiceChatDidStart;

- (void) destroySession;

- (void) willTerminate:(NSNotification *)notification;

- (void) willResume:(NSNotification *)notification;

@end

@interface SessionManager (VoiceManager) <GKVoiceChatClient>

- (void) setupVoice;

@end

@protocol SessionManagerLobbyDelegate

- (void) peerListDidChange:(SessionManager *)session;

- (void) didReceiveInvitation:(SessionManager *)session fromPeer:(NSString *)participantID;

- (void) invitationDidFail:(SessionManager *)session fromPeer:(NSString *)participantID;

@end

@protocol SessionManagerGameDelegate

- (void) voiceChatWillStart:(SessionManager *)session;

- (void) session:(SessionManager *)session didConnectAsInitiator:(BOOL)shouldStart;

- (void) willDisconnect:(SessionManager *)session;

- (void) session:(SessionManager *)session didReceivePacket:(NSData*)data ofType:(PacketType)packetType;

@end