import UIKit

extension UIDevice {
    
    
    // MARK: - 當(dāng)前設(shè)備的系統(tǒng)版本
    /// 當(dāng)前設(shè)備的系統(tǒng)版本
    static var currentSystemVersion : String {
        get {
            return self.current.systemVersion
        }
    }
    
    
    // MARK: - 設(shè)備名獲取
    
    var modelName: String {
        var systemInfo = utsname()
        uname(&systemInfo)
        let machineMirror = Mirror(reflecting: systemInfo.machine)
        let identifier = machineMirror.children.reduce("") { identifier, element in
            guard let value = element.value as? Int8, value != 0 else { return identifier }
            return identifier + String(UnicodeScalar(UInt8(value)))
        }
        
        switch identifier {
        case "iPod1,1":  return "iPod Touch 1"
        case "iPod2,1":  return "iPod Touch 2"
        case "iPod3,1":  return "iPod Touch 3"
        case "iPod4,1":  return "iPod Touch 4"
        case "iPod5,1":  return "iPod Touch 5"
        case "iPod7,1":  return "iPod Touch 6"
        case "iPod9,1":  return "iPod Touch 7"
            
        case "iPhone3,1", "iPhone3,2", "iPhone3,3":  return "iPhone 4"
        case "iPhone4,1":  return "iPhone 4s"
        case "iPhone5,1":  return "iPhone 5"
        case "iPhone5,2":  return "iPhone 5"
        case "iPhone5,3", "iPhone5,4":  return "iPhone 5c"
        case "iPhone6,1", "iPhone6,2":  return "iPhone 5s"
        case "iPhone7,2":  return "iPhone 6"
        case "iPhone7,1":  return "iPhone 6 Plus"
        case "iPhone8,1":  return "iPhone 6s"
        case "iPhone8,2":  return "iPhone 6s Plus"
        case "iPhone8,4":  return "iPhone SE"
        case "iPhone9,1", "iPhone9,3":  return "iPhone 7"
        case "iPhone9,2", "iPhone9,4":  return "iPhone 7 Plus"
        case "iPhone10,1", "iPhone10,4": return "iPhone 8"
        case "iPhone10,2", "iPhone10,5": return "iPhone 8 Plus"
        case "iPhone10,3", "iPhone10,6": return "iPhone X"
        case "iPhone11,2": return "iPhone XS"
        case "iPhone11,4", "iPhone11,6": return "iPhone XS Max"
        case "iPhone11,8": return "iPhone XR"
        case "iPhone12,1": return "iPhone 11"
        case "iPhone12,3": return "iPhone 11 Pro"
        case "iPhone12,5": return "iPhone 11 Pro Max"
        case "iPhone12,8": return "iPhone SE 2"
        case "iPhone13,1": return "iPhone 12 mini"
        case "iPhone13,2": return "iPhone 12"
        case "iPhone13,3": return "iPhone 12 Pro"
        case "iPhone13,4": return "iPhone 12 Pro Max"
        case "iPhone14,4": return "iPhone 13 mini"
        case "iPhone14,5": return "iPhone 13"
        case "iPhone14,2": return "iPhone 13 Pro"
        case "iPhone14,3": return "iPhone 13 Pro Max"
            

            
        case "iPad1,1": return "iPad"
        case "iPad1,2": return "iPad 3G"
        case "iPad2,1", "iPad2,2", "iPad2,3", "iPad2,4":  return "iPad 2"
        case "iPad2,5", "iPad2,6", "iPad2,7":  return "iPad Mini"
        case "iPad3,1", "iPad3,2", "iPad3,3":  return "iPad 3"
        case "iPad3,4", "iPad3,5", "iPad3,6":  return "iPad 4"
        case "iPad4,1", "iPad4,2", "iPad4,3":  return "iPad Air"
        case "iPad4,4", "iPad4,5", "iPad4,6":  return "iPad Mini 2"
        case "iPad4,7", "iPad4,8", "iPad4,9":  return "iPad Mini 3"
        case "iPad5,1", "iPad5,2":  return "iPad Mini 4"
        case "iPad5,3", "iPad5,4":  return "iPad Air 2"
        case "iPad6,3", "iPad6,4":  return "iPad Pro (9.7-inch)"
        case "iPad6,7", "iPad6,8":  return "iPad Pro (12.9-inch)"
        case "iPad6,11", "iPad6,12":  return "iPad 5"
        case "iPad7,1", "iPad7,2":  return "iPad Pro (12.9-inch) 2"
        case "iPad7,3", "iPad7,4":  return "iPad Pro (10.5-inch)"
        case "iPad7,5", "iPad7,6":  return "iPad 6"
        case "iPad7,11", "iPad7,12":  return "iPad 7"
        case "iPad8,1", "iPad8,2", "iPad8,3", "iPad8,4":return "iPad Pro (11-inch)"
        case "iPad8,5", "iPad8,6", "iPad8,7", "iPad8,8":return "iPad Pro (12.9-inch) 3"
        case "iPad8,9", "iPad8,10":  return "iPad Pro (11-inch) 2"
        case "iPad8,11", "iPad8,12":  return "iPad Pro (12.9-inch) 4"
        case "iPad11,1", "iPad11,2":  return "iPad mini 5"
        case "iPad11,3", "iPad11,4":  return "iPad Air 3"
        case "iPad11,6", "iPad11,7":  return "iPad 8"
        case "iPad12,1", "iPad12,2":  return "iPad 9"
        case "iPad13,1", "iPad13,2":  return "iPad Air 4"
        case "iPad13,4", "iPad13,5","iPad13,6", "iPad13,7":  return "iPad Pro (11-inch) 3"
        case "iPad13,8", "iPad13,9","iPad13,10", "iPad13,11":  return "iPad Pro (12.9-inch) 5"
        case "iPad14,1", "iPad14,2":  return "iPad Mini 6"
       
            
        case "AppleTV2,1":  return "Apple TV 2"
        case "AppleTV3,1","AppleTV3,2":  return "Apple TV 3"
        case "AppleTV5,3":  return "Apple TV 4"
        case "AppleTV6,2": return "Apple TV 4K"
        case "i386", "x86_64":  return "Simulator"
            
        default:  return identifier
        }
    }
    
    
    
    
    // MARK: - 機(jī)型判斷
    
    /// 模擬器
    static let simulator: Bool = {
        var simulator = false
        #if arch(i386) || arch(x86_64)
        simulator = true
        #endif
        return simulator
    }()
    
    /*
     * iPhone SE / iPhone 5s / iPhone 5 (4-inch) 320pt * 568pt @2x
     * iPhone 6, iPhone 6s, iPhone 7, iPhone 8, iPhone SE 2nd generation (4.7-inch) 375pt * 667pt @2x
     * iPhone 6 Plus, iPhone 6s Plus, iPhone 7 Plus, iPhone 8 Plus (5.5-inch) 414pt * 736pt @3x
     * iPhone X, iPhone Xs, iPhone 11 Pro, iPhone 12 mini 375pt * 812pt @3x
     * iPhone Xr, iPhone Xs Max, iPhone 11, iPhone 11 Pro Max 414pt * 896pt @2x || @3x
     * iPhone 12, iPhone 12 Pro 390pt * 844pt @3x
     * iPhone 12 Pro Max 428pt * 926pt @3x
     */
    
    /// iPhone
    struct iPhoneSeries {
        
        /// all
        static let all = UIDevice.current.userInterfaceIdiom == .phone
        
        /// 全面屏 - 帶圓角
        static var roundedCorner: Bool {
            get {
                if iPhoneSeries.all {
                    if #available(iOS 11.0, *) {
                        return SafeAreaBottomInset > 0
                    }else{
                        return false
                    }
                }
                return false
            }
        }
        
        /// iPhone SE, iPhone 5s, iPhone 5, iPhone 4s 及其以下
        static let screenSizeIsLessThanOrEqual_iPhoneSE = (all && max(UIScreenWidth, UIScreenHeight) <= 568)
        /// iPhone 6, iPhone 6s, iPhone 7, iPhone 8
        static let screenSizeIsEqual_iPhone8 = (all && min(UIScreenWidth, UIScreenHeight) == 375 && max(UIScreenWidth, UIScreenHeight) == 667)
        /// iPhone 6 Plus, iPhone 6s Plus, iPhone 7 Plus, iPhone 8 Plus
        static let screenSizeIsEqual_iPhone8Plus = (all && min(UIScreenWidth, UIScreenHeight) == 414 && max(UIScreenWidth, UIScreenHeight) == 736)
        /// iPhone X, iPhone Xs, iPhone 11 Pro, iPhone 12 mini
        static let screenSizeIsEqual_iPhoneX = (all && min(UIScreenWidth, UIScreenHeight) == 375 && max(UIScreenWidth, UIScreenHeight) == 812)
        /// iPhone Xr, iPhone Xs Max, iPhone 11, iPhone 11 Pro Max
        static let screenSizeIsEqual_iPhoneXr = (all && min(UIScreenWidth, UIScreenHeight) == 414 && max(UIScreenWidth, UIScreenHeight) == 896)
        /// iPhone 12, iPhone 12 Pro
        static let screenSizeIsEqual_iPhone12 = (all && min(UIScreenWidth, UIScreenHeight) == 390 && max(UIScreenWidth, UIScreenHeight) == 844)
        /// iPhone 12 Pro Max
        static let screenSizeIsEqual_iPhone12ProMax = (all && min(UIScreenWidth, UIScreenHeight) == 428 && max(UIScreenWidth, UIScreenHeight) == 926)
        
    }
    
    /// iPad
    struct iPadSeries {
        
        /// all
        static let all = UIDevice.current.userInterfaceIdiom == .pad
        
        /// 全面屏 - 帶圓角
        static var roundedCorner: Bool {
            get {
                if iPadSeries.all {
                    if #available(iOS 11.0, *) {
                        return SafeAreaBottomInset > 0
                    }else{
                        return false
                    }
                }
                return false
            }
        }
    }
    
    /// 全面屏
    static var roundedCorner: Bool {
        
        return iPhoneSeries.roundedCorner || iPadSeries.roundedCorner
        
    }
    
}