//
//  EQNBaseViewController.m
//  Earthquake Network
//
//  Created by Busi Andrea on 16/08/2020.
//  Copyright © 2020 Earthquake Network. All rights reserved.
//

#import "EQNBaseViewController.h"
#import "Costanti.h"
@import GoogleMobileAds;

@interface EQNBaseViewController ()
@property (weak, nonatomic, readwrite) IBOutlet UIView *bannerContainerView;
@property (strong, nonatomic) GADBannerView *bannerView;
@end

@implementation EQNBaseViewController

#pragma mark - Accessories

- (BOOL)isBannerVisible
{
#if ADS_ENABLED
    return ![EQNPurchaseUtility isProVersionEnabled];
#else
    return NO;
#endif
}

#pragma mark - View Lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(didReceiveInAppNotification:)
                                                 name:EQNInAppPurchaseDidCompleteNotification object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(didReceiveDownloadCompleteNotification:)
                                                 name:EQNDownloadDataDidCompleteNotification object:nil];

}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
#if ADS_ENABLED
    [self handleAdBanner];
#else
    [self hideAdBanner];
#endif
}

#pragma mark - Public

- (void)refreshUI
{
    // nope
}

#pragma mark - Private

- (void)handleAdBanner
{
    // ad banner mut be displayed only for non pro users
    if (!self.isBannerVisible) {
        [self hideAdBanner];
        return;
    }
    
    [self showAdBanner];
}

- (void)hideAdBanner
{
    // make sure that the banner is hidden
    self.bannerContainerHeightConstraint.constant = 0;
    
    // remove the banner (if available)
    [self.bannerView removeFromSuperview];
    self.bannerView = nil;
}

- (void)showAdBanner
{
    if (self.bannerView == nil) {
        [self createBanner];
    }
    
    // Determine the view width to use for the ad width.
    // Here safe area is taken into account, hence the view frame is used after
    // the view has been laid out.
    CGRect frame = UIEdgeInsetsInsetRect(self.view.frame, self.view.safeAreaInsets);
    CGFloat viewWidth = frame.size.width;
    
    // Step 3 - Get Adaptive GADAdSize and set the ad view.
    // Here the current interface orientation is used. If the ad is being
    // preloaded for a future orientation change or different orientation, the
    // function for the relevant orientation should be used.
    GADAdSize adSize = GADCurrentOrientationAnchoredAdaptiveBannerAdSizeWithWidth(viewWidth);
    self.bannerView.adSize = adSize;
    self.bannerContainerHeightConstraint.constant = adSize.size.height;
    
    // Step 4 - Create an ad request and load the adaptive banner ad.
    GADRequest *request = [GADRequest request];
    [self.bannerView loadRequest:request];
}

- (void)createBanner
{
    self.bannerView = [[GADBannerView alloc] init];
    self.bannerView.adUnitID = EQNAdMobAppIdAdaptiveBanner;
    self.bannerView.rootViewController = self;
    self.bannerView.translatesAutoresizingMaskIntoConstraints = NO;
    [self.bannerContainerView addSubview:self.bannerView];
    
    [self.bannerView.topAnchor constraintEqualToAnchor:self.bannerContainerView.topAnchor].active = YES;
    [self.bannerView.bottomAnchor constraintEqualToAnchor:self.bannerContainerView.bottomAnchor].active = YES;
    [self.bannerView.leadingAnchor constraintEqualToAnchor:self.bannerContainerView.leadingAnchor].active = YES;
    [self.bannerView.trailingAnchor constraintEqualToAnchor:self.bannerContainerView.trailingAnchor].active = YES;
}


#pragma mark - Notification

- (void)didReceiveInAppNotification:(NSNotification *)notification
{
    [self hideAdBanner];
    
    dispatch_async(dispatch_get_main_queue(), ^{
        [self refreshUI];
    });
}

- (void)didReceiveDownloadCompleteNotification:(NSNotification *)notification
{
    dispatch_async(dispatch_get_main_queue(), ^{
        [self refreshUI];
    });
}

@end