/*

 File: GameLobbyController.m

 Abstract: Lists available peers and handles the user interface related to connecting to

 a peer.

 Version: 1.0

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 */

#import "GameLobbyController.h"

#import "RocketController.h"

#import <GameKit/GameKit.h> 

@implementation GameLobbyController

@synthesize manager;

#pragma mark View Controller Methods

- (void)viewDidLoad 

{

    [super viewDidLoad];

    manager = [[SessionManager alloc] init]; 

    manager.lobbyDelegate = self;

    [manager setupSession];

    [self peerListDidChange:nil];

}

- (void)dealloc 

{

    manager.lobbyDelegate = nil;

    [manager release];

    [peerList release];

    [alertView release];

    [super dealloc];

}

#pragma mark -

#pragma mark Opening Method

// Called when user selects a peer from the list or accepts a call invitation.

- (void) openGameScreenWithPeerID:(NSString *)peerID

{

    RocketController *gameScreen = [[RocketController alloc]

                                        initWithNibName:@"RocketController"

                                        bundle:[NSBundle mainBundle]

                                        manager: manager];

    [self.navigationController pushViewController:gameScreen animated:YES];

    self.navigationController.navigationBar.barStyle = UIBarStyleBlack;

    [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];

    [gameScreen release];

}

#pragma mark -

#pragma mark Table Data Source Methods

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    return [peerList count];

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{   

    static NSString *TopLevelCellIdentifier = @"TopLevelCellIdentifier";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:TopLevelCellIdentifier];

    if (cell == nil) {

        cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero

                                       reuseIdentifier:TopLevelCellIdentifier] autorelease];

    }

    NSUInteger row = [indexPath row];

    cell.textLabel.text = [manager displayNameForPeer:[peerList objectAtIndex:row]]; 

    return cell;

}

#pragma mark Table View Delegate Methods

// The user selected a peer from the list to connect to.

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

    [manager connect:[peerList objectAtIndex:[indexPath row]]]; 

    [self openGameScreenWithPeerID:[peerList objectAtIndex:[indexPath row]]]; 

}

#pragma mark -

#pragma mark GameSessionLobbyDelegate Methods

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

{

    NSArray *tempList = peerList;

    peerList = [session.peerList copy];

    [tempList release];

    [self.tableView reloadData]; 

}

// Invitation dialog due to peer attempting to connect.

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

{

    NSString *str = [NSString stringWithFormat:@"Incoming Invite from %@", participantID];

    if (alertView.visible) {

        [alertView dismissWithClickedButtonIndex:0 animated:NO];

        [alertView release];

    }

    alertView = [[UIAlertView alloc] 

                 initWithTitle:str

                 message:@"Do you wish to accept?" 

                 delegate:self 

                 cancelButtonTitle:@"Decline" 

                 otherButtonTitles:nil];

    [alertView addButtonWithTitle:@"Accept"]; 

    [alertView show];

}

// Display an alert sheet indicating a failure to connect to the peer.

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

{

    NSString *str;

    if (alertView.visible) {

        // Peer cancelled invitation before it could be accepted/rejected

        // Close the invitation dialog before opening an error dialog

        [alertView dismissWithClickedButtonIndex:0 animated:NO];

        [alertView release];

        str = [NSString stringWithFormat:@"%@ cancelled call", participantID]; 

    } else {

        // Peer rejected invitation or exited app.

        str = [NSString stringWithFormat:@"%@ declined your call", participantID]; 

    }

    alertView = [[UIAlertView alloc] initWithTitle:str message:nil delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];

    [alertView show];

}

#pragma mark -

#pragma mark UIAlertViewDelegate Methods

// User has reacted to the dialog box and chosen accept or reject.

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex

{

    if (buttonIndex == 1) {

        // User accepted.  Open the game screen and accept the connection.

        if ([manager didAcceptInvitation])

            [self openGameScreenWithPeerID:manager.currentConfPeerID]; 

    } else {

        [manager didDeclineInvitation];

    }

}

@end