//
//  UIViewController+SafeArea.m
//  Pivot Surveys
//
//  Created by Anthony Gorb on 5/17/18.
//  Copyright © 2018 MEV, LLC. All rights reserved.
//

#import "UIViewController+SafeArea.h"
#import "UIView+FrameAdditions.h"

@implementation UIViewController (SafeArea)

#pragma mark - Private

- (UIWindow *)keyWindow {
    return UIApplication.sharedApplication.keyWindow;
}

- (CGFloat)topInset {
    if (@available(iOS 11.0, *)) {
        return [self keyWindow].safeAreaInsets.top;
    }
    return 0;
}

- (CGFloat)bottomInset {
    if (@available(iOS 11.0, *)) {
        return [self keyWindow].safeAreaInsets.bottom;
    }
    return 0;
}

#pragma mark - Public

- (void)addTopInsetToView:(UIView *)view {
    if (@available(iOS 11.0, *)) {
        view.y += [self topInset];
    }
}

- (void)removeTopInsetFromView:(UIView *)view {
    if (@available(iOS 11.0, *)) {
        view.y -= [self topInset];
    }
}

- (void)addBottomInsetToView:(UIView *)view {
    if (@available(iOS 11.0, *)) {
        view.y += [self bottomInset];
    }
}

- (void)removeBottomInsetFromView:(UIView *)view {
    if (@available(iOS 11.0, *)) {
        view.y -= [self bottomInset];
    }
}

- (void)addTopInsetToViewHeight:(UIView *)view {
    if (@available(iOS 11.0, *)) {
        view.height += [self topInset];
    }
}

- (void)removeTopInsetFromViewHeight:(UIView *)view {
    if (@available(iOS 11.0, *)) {
        view.height -= [self topInset];
    }
}

- (void)addBottomInsetToViewHeight:(UIView *)view {
    if (@available(iOS 11.0, *)) {
        view.height += [self bottomInset];
    }
}

- (void)removeBottomInsetFromViewHeight:(UIView *)view {
    if (@available(iOS 11.0, *)) {
        view.height -= [self bottomInset];
    }
}

@end


// then in viewController
- (void)addSafeAreaSupport
{
    [self addTopInsetToView:self.topLogoView];
    [self addTopInsetToView:self.formContainerView];
    [self removeTopInsetFromViewHeight:self.formContainerView];
}