//
//  YMWindowUtils.m
//  MSYOUPAI
//
//  Created by YoMi on 2024/2/4.
//  Copyright © 2024 MS. All rights reserved.
//

#import "YMWindowUtils.h"

@implementation YMWindowUtils
+ (nullable UIWindowScene *)activeScene NS_AVAILABLE_IOS(13.0) {
    NSSet<UIScene *> *connectedScenes = UIApplication.sharedApplication.connectedScenes;
    for (UIScene *scene in connectedScenes) {
        if (scene.activationState == UISceneActivationStateForegroundActive) {
            return (UIWindowScene *)scene;
        }
    }
    return nil;
}

+ (nullable UIWindowScene *)activeWindowScene NS_AVAILABLE_IOS(13.0) {
    NSSet<UIScene *> *connectedScenes = UIApplication.sharedApplication.connectedScenes;
    for (UIScene *scene in connectedScenes) {
        if (scene.activationState == UISceneActivationStateForegroundActive &&
            [scene isKindOfClass:UIWindowScene.class]) {
            return (UIWindowScene *)scene;
        }
    }
    return nil;
}

+ (UIWindow *)keyWindow {
    if (@available(iOS 13.0, *)) {
        UIWindow *window = [self keyWindowFromSceneAPI];
        return window != nil ? window : UIApplication.sharedApplication.keyWindow;
    } else {
        return UIApplication.sharedApplication.keyWindow;
    }
}

+ (nullable UIWindow *)keyWindowFromSceneAPI NS_AVAILABLE_IOS(13.0) {
    NSDictionary *infoDic = NSBundle.mainBundle.infoDictionary[@"UIApplicationSceneManifest"];
    // 通过infoDic,判断是否使用UIScene
    if (infoDic) {
        // 通过supportsMultipleScenes,判断是否支持多个场景
        if (UIApplication.sharedApplication.supportsMultipleScenes) {
            // 获取所有已链接Scenes
            NSSet <UIScene *> *connectedScenes = [UIApplication sharedApplication].connectedScenes;
            for (UIScene *scene in connectedScenes) {
                UISceneActivationState activationState = scene.activationState;
                // 通过activationState,获取当前场景window对象
                if (activationState == UISceneActivationStateForegroundActive &&
                    [scene isKindOfClass:UIWindowScene.class]) {
                    for (UIWindow *window in [(UIWindowScene *)scene windows]) {
                        if (window.isKeyWindow) {
                            return window;
                        }
                    }
                }
            }
        }else{
            UIWindow *window = ((id<UIWindowSceneDelegate>)[UIApplication sharedApplication].connectedScenes.anyObject.delegate).window;
            if (window.isKeyWindow) {
                return window;
            }
        }
    }
    return nil;
}

@end