gistify581838.m

 [[RACSignal combineLatest:@[device.batteryLife, device.onlineState] reduce:^(NSNumber *level, NSNumber *stateEnum)
        {
            MorseDeviceConnectedState state = (MorseDeviceConnectedState) [stateEnum integerValue];
            NSMutableDictionary *ret = [[NSMutableDictionary alloc] initWithCapacity:2];
            switch (state)
            {
                case MorseDeviceConnectedStateConnected:
                {
                    if ([level floatValue] > 0)
                        ret[@"string"] =  [NSString stringWithFormat:@"%0.f%%", [level floatValue] * 100];
                    else
                    {
                        ret[@"string"] =  @"...";
                    }
                    ret[@"color"] = [UIColor whiteColor];
                    break;
                }
                case MorseDeviceConnectedStateNotConnected:
                {
                    ret[@"string"] =  NSLocalizedString(@"disconnected", nil);
                    ret[@"color"] =  [AVHexColor colorWithHex:0xF26322];
                    break;
                }
                case MorseDeviceConnectedStateConnecting:
                {
                    ret[@"string"] = NSLocalizedString(@"connecting", nil);
                    ret[@"color"] = [UIColor whiteColor];
                    break;
                }
                case MorseDeviceConnectedStateFubar:
                {
                    ret[@"string"] =  @"Oh crap. Please show this to Adrian.";
                    ret[@"color"] =  [AVHexColor colorWithHex:0xF26322];
                    break;
                }
                default:
                {
                    ret[@"string"] =  @"";
                    break;
                }
            }
            return ret;
        }]
        subscribeNext:^(NSDictionary * stuff)
        {
            dispatch_async(dispatch_get_main_queue(), ^
            {
                self.accessoryStatusLabel.text = stuff[@"string"];
                self.accessoryStatusLabel.textColor = stuff[@"color"];
            });
        }];