gistify504524.m

  [[RACSignal combineLatest:@[[device.batteryLife deliverOn:[RACScheduler mainThreadScheduler]], [device.onlineState deliverOn:[RACScheduler mainThreadScheduler]]] reduce:^(NSNumber *level, NSNumber *stateEnum)
        {
            MorseDeviceConnectedState state = (MorseDeviceConnectedState) [stateEnum integerValue];
            switch (state)
            {
                case MorseDeviceConnectedStateConnected:
                {
                    NSString *string;
                    if ([level floatValue] > 0)
                        string =  [NSString stringWithFormat:@"%0.f%%", [level floatValue] * 100];
                    else
                    {
                        string =  @"...";
                    }
                    return [RACTuple tupleWithObjectsFromArray:@[string, [UIColor whiteColor]]];
                }
                case MorseDeviceConnectedStateNotConnected:
                {
                    return [RACTuple tupleWithObjectsFromArray:@[NSLocalizedString(@"disconnected", nil), [AVHexColor colorWithHex:0xF26322]]];
                }
                case MorseDeviceConnectedStateConnecting:
                {
                    return [RACTuple tupleWithObjectsFromArray:@[NSLocalizedString(@"connecting", nil), [UIColor whiteColor]]];
                }
                case MorseDeviceConnectedStateFubar:
                {
                    return [RACTuple tupleWithObjectsFromArray:@[@"Oh crap. Please show this to Adrian.", [AVHexColor colorWithHex:0xF26322]]];
                }
                default:
                {
                    return [RACTuple tupleWithObjectsFromArray:@[@"", [UIColor whiteColor]]];
                }
            }

        }]
        subscribeNext:^(RACTuple *stringAndColor)
        {
            self.accessoryStatusLabel.text = [stringAndColor first];
            self.accessoryStatusLabel.textColor = [stringAndColor second];
        }];