#import "RNNTopTabsViewController.h"
#import "RNNComponentViewController.h"
#import "RNNSegmentedControl.h"
#import "ReactNativeNavigation.h"
#import "UIViewController+LayoutProtocol.h"

@interface RNNTopTabsViewController () {
    NSArray *_viewControllers;
    UIViewController *_currentViewController;
    RNNSegmentedControl *_segmentedControl;
}

@end

@implementation RNNTopTabsViewController

- (instancetype)init {
    self = [super init];

    [self.view setBackgroundColor:[UIColor whiteColor]];
    self.edgesForExtendedLayout = UIRectEdgeNone;

    [self createTabBar];
    [self createContentView];

    return self;
}

- (UIViewController *)getCurrentChild {
    return _currentViewController;
}

- (void)createTabBar {
    _segmentedControl = [[RNNSegmentedControl alloc] initWithSectionTitles:@[ @"", @"", @"" ]];
    _segmentedControl.frame = CGRectMake(0, 0, self.view.bounds.size.width, 50);
    _segmentedControl.selectionIndicatorLocation = HMSegmentedControlSelectionIndicatorLocationNone;
    _segmentedControl.selectionStyle = HMSegmentedControlSelectionStyleBox;
    _segmentedControl.selectedSegmentIndex = HMSegmentedControlNoSegment;

    [_segmentedControl addTarget:self
                          action:@selector(segmentedControlChangedValue:)
                forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:_segmentedControl];
}

- (void)segmentedControlChangedValue:(HMSegmentedControl *)segmentedControl {
    [self setSelectedViewControllerIndex:segmentedControl.selectedSegmentIndex];
}

- (void)createContentView {
    _contentView = [[UIView alloc] initWithFrame:CGRectMake(0, 50, self.view.bounds.size.width,
                                                            self.view.bounds.size.height - 50)];
    _contentView.backgroundColor = [UIColor grayColor];
    [self.view addSubview:_contentView];
}

- (void)setSelectedViewControllerIndex:(NSUInteger)index {
    UIViewController *toVC = _viewControllers[index];
    [_contentView addSubview:toVC.view];
    [_currentViewController.view removeFromSuperview];
    _currentViewController = toVC;
}

- (void)setViewControllers:(NSArray *)viewControllers {
    _viewControllers = viewControllers;
    for (RNNComponentViewController *childVc in viewControllers) {
        [childVc.view setFrame:_contentView.bounds];
        //		[childVc.options.topTab applyOn:childVc];
        [self addChildViewController:childVc];
        [childVc didMoveToParentViewController:self];
    }

    [self setSelectedViewControllerIndex:0];
}

- (void)viewController:(UIViewController *)vc changedTitle:(NSString *)title {
    NSUInteger vcIndex = [_viewControllers indexOfObject:vc];
    [_segmentedControl setTitle:title atIndex:vcIndex];
}

- (void)viewDidLoad {
    [super viewDidLoad];
}

@end