//
//  SPAPPTool.swift
//  ShortPlay
//
//  Created by 曾觉新 on 2025/4/9.
//

import UIKit

class SPAPPTool: NSObject {
    
    static func getAppDelegate() -> AppDelegate? {
        return UIApplication.shared.delegate as? AppDelegate
    }
    
    ///获得启动图
    static func getLanuchViewController() -> UIViewController {
        let storyboard = UIStoryboard(name: "LaunchScreen", bundle: nil)
        let vc = storyboard.instantiateViewController(withIdentifier: "LaunchScreen")
        return vc
    }
    
    ///获取根视图
    static func rootViewController() -> UIViewController? {
        return getKeyWindow()?.rootViewController
    }
    
    ///获取最上方视图
    static func topViewController() -> UIViewController? {
        var resultVC: UIViewController? = self.rootViewController()
        if let rootNav = resultVC as? UINavigationController {
            resultVC = rootNav.topViewController
        }
        
        resultVC = self._topViewController(resultVC)
        while resultVC?.presentedViewController != nil {
            resultVC = self._topViewController(resultVC?.presentedViewController)
        }
        return resultVC
    }
    
    private static func _topViewController(_ vc: UIViewController?) -> UIViewController? {
        if vc is UINavigationController {
            return _topViewController((vc as? UINavigationController)?.topViewController)
        } else if vc is UITabBarController {
            return _topViewController((vc as? UITabBarController)?.selectedViewController)
        } else {
            return vc
        }
    }
    
    static func getKeyWindow() -> UIWindow? {
        var window: UIWindow?
        if #available(iOS 13.0, *) {
            window = UIApplication.shared.connectedScenes
                .filter({$0.activationState == .foregroundActive})
                .map({$0 as? UIWindowScene})
                .compactMap({$0})
                .first?.windows
                .filter({$0.isKeyWindow}).first
        }
        if window == nil {
            window = UIApplication.shared.windows.first { $0.isKeyWindow }
        }
        if window == nil {
            window = UIApplication.shared.keyWindow
        }
        
        return window
    }
}

extension SPAPPTool {
    ///剪贴板复制
    static func copy(text: String?) {
        if let text = text {
            let copy = UIPasteboard.general
            copy.string = text
        }
    }
    
    /**
     震动反馈
     */
    static func impactFeedbackOccurred() {
        
        if #available(iOS 13.0, *) {
            UIImpactFeedbackGenerator(style: .heavy).impactOccurred(intensity: 1)
        } else {
            UIImpactFeedbackGenerator(style: .heavy).impactOccurred()
        }
    }
}