//
//  EMDevicePickerViewController.m
//  TestAppExample
//
//  Created by Dexter Weiss on 10/10/13.
//  Copyright (c) 2013 Emmoco. All rights reserved.
//

#import "EMDevicePickerViewController.h"
#import "EMFramework.h"
#import <QuartzCore/QuartzCore.h>

@interface EMDevicePickerViewController ()

@property (nonatomic, strong) IBOutlet UIView *connectingView;
@property (nonatomic, strong) IBOutlet UIActivityIndicatorView *activityIndicator;
@property (nonatomic, strong) IBOutlet UIView *popoverView;

@end

@implementation EMDevicePickerViewController


- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self)
    {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    [[EMConnectionManager sharedManager] setBackgroundUpdatesEnabled:TRUE];
	[[EMConnectionListManager sharedManager] addObserver:self forKeyPath:@"devices" options:0 context:NULL];
}

-(void)_showConnectingView
{
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
    {
        if(UIDeviceOrientationIsLandscape([[UIDevice currentDevice] orientation]))
        {
            [[NSBundle mainBundle] loadNibNamed:@"EMConnectingView_iPad_Landscape" owner:self options:nil];
        }
        else
        {
            [[NSBundle mainBundle] loadNibNamed:@"EMConnectingView_iPad" owner:self options:nil];
        }
    }
    else
    {
        if(UIDeviceOrientationIsLandscape([[UIDevice currentDevice] orientation]))
        {
            [[NSBundle mainBundle] loadNibNamed:@"EMConnectingView_Landscape" owner:self options:nil];
        }
        else
        {
            [[NSBundle mainBundle] loadNibNamed:@"EMConnectingView" owner:self options:nil];
        }
    }
    [[[self popoverView] layer] setCornerRadius:10.0f];
    [[self view] addSubview:[self connectingView]];
    [[self activityIndicator] startAnimating];
}

-(void)_hideConnectingView
{
    [[self activityIndicator] stopAnimating];
    [[self connectingView] removeFromSuperview];
}

-(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
    if (object == [EMConnectionListManager sharedManager])
    {
        [[self tableView] reloadData];
    }
}

#pragma mark - Table View Methods

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return MAX([[[EMConnectionListManager sharedManager] devices] count], 1);
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *deviceCell = [tableView dequeueReusableCellWithIdentifier:@"DeviceCell"];
    [[deviceCell detailTextLabel] setTextColor:[UIColor darkGrayColor]];
    
    EMDeviceBasicDescription *description = nil;
    if ([indexPath row] < [[[EMConnectionListManager sharedManager] devices] count])
    {
        description = [[[EMConnectionListManager sharedManager] devices] objectAtIndex:[indexPath row]];
    }
    
    if (description)
    {
        [[deviceCell textLabel] setText:[description name]];
        [[deviceCell detailTextLabel] setText:[NSString stringWithFormat:NSLocalizedString(@"Signal Strength: %0.0f",nil), [description signalStrength]]];
    }
    else
    {
        [[deviceCell textLabel] setText:NSLocalizedString(@"Searching for devices...", @"No devices found string")];
        [[deviceCell detailTextLabel] setText:nil];
    }
    
    return deviceCell;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    if(![[[[tableView cellForRowAtIndexPath:indexPath] textLabel] text] isEqualToString:NSLocalizedString(@"Searching for devices...",nil)])
    {
        [self _showConnectingView];
        EMDeviceBasicDescription *description = [[[EMConnectionListManager sharedManager] devices] objectAtIndex:[indexPath row]];
        [[EMConnectionManager sharedManager] connectDevice:description onSuccess:^
            {
                [self _hideConnectingView];
                [self performSegueWithIdentifier:@"ConnectionSegue" sender:self];
            }
            onFail:^(NSError *error)
            {
                [self _hideConnectingView];
                UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Connection Failed", @"Alert title") message:NSLocalizedString(@"An error occurred while trying to connect to the selected device", @"Alert message") delegate:nil cancelButtonTitle:NSLocalizedString(@"Close", @"Close button") otherButtonTitles:nil];
                [alert show];
            }
        ];
    }
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
}

@end
