//
//  utiles.swift
//  XSTLive
//
//  Created by 葛建军 on 16/11/9.
//  Copyright © 2016年 HANGZHOUTEAM. All rights reserved.
//
import UIKit
import Foundation
import Photos
import QuickLook

let CGPointZero = CGPoint(x:0, y:0)

class AlertController {
    
    static func creatAlert(_ title:String)->UIAlertController{
        let alert = UIAlertController(title: "消息",message: title,preferredStyle: UIAlertControllerStyle.alert)
        alert.addAction(UIAlertAction(title: "确定", style: .default, handler: { (action) in
            NSLog("点击了确定按钮")
        }))
        return alert
    }
    static func creatTextFieldAlert(_ title:String,place:String,label:UILabel)->UIAlertController{
        let alertController = UIAlertController(title: title,message: "",preferredStyle: UIAlertControllerStyle.alert)
        alertController.addTextField {
            (textField: UITextField!) -> Void in
            textField.placeholder = place
        }
        let cancelAction = UIAlertAction(title: "取消", style: .destructive, handler: nil)
        let okAction = UIAlertAction(title: "确定", style: .default) { (action) in
            if alertController.textFields![0].text == ""{
                return
            }
            label.text = alertController.textFields![0].text
        }
        alertController.addAction(cancelAction)
        alertController.addAction(okAction)
        return alertController
    }
    static func creatActionSheet(_ title:String,message:String,array:[String])->UIAlertController{
        let alertController = UIAlertController(title: title, message: message, preferredStyle: UIAlertControllerStyle.actionSheet)
        for action in array {
            let Action = UIAlertAction(title: action, style: UIAlertActionStyle.default, handler: nil)
            alertController.addAction(Action)
        }
        return alertController
    }
}
class Theme{
    static func topBarColor()->UIColor{
        return UIColorFromRGB(0xff6533)//UIColorFromRGB(0xff9b34)f6595f
    }
    ///按钮样式
    static func configButton(_ button:UIButton){
        button.backgroundColor=Theme.topBarColor()
        button.layer.cornerRadius=5
        button.layer.shadowOffset = CGSize(width: 2, height: 2);
        button.layer.shadowRadius = 2
        button.layer.shadowOpacity = 0.15
    }
    ///设置圆角阴影
    static func configCard(_ view:UIView){
        view.layer.masksToBounds = false
        view.layer.cornerRadius=4
        view.layer.shadowOffset = CGSize(width: 0, height: 0);
        view.layer.shadowRadius = 1
        view.layer.shadowOpacity = 0.55
    }
    ///地步阴影
    static func configBottomShadow(_ view:UIView){
        view.layer.shadowOffset = CGSize(width: 0,height: 2);
        view.layer.shadowRadius = 1
        view.layer.shadowOpacity = 0.4
    }
    ///设置灰色边框
    static func configBorder(_ view:UIView){
        view.layer.cornerRadius=5
        view.layer.borderColor=UIColor.lightGray.cgColor
        view.layer.borderWidth=1
    }
    static func titleFontSize(){
        
    }
    static func careColor()->UIColor{
        return UIColorFromRGB(0xff6841)
    }
}
func UIColorFromRGB(_ rgbValue: UInt) -> UIColor {
    return UIColor(
        red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0,
        green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0,
        blue: CGFloat(rgbValue & 0x0000FF) / 255.0,
        alpha: CGFloat(1.0)
    )
}
func UIColorFromARGB(_ argbValue: UInt) -> UIColor {
    return UIColor(
        red: CGFloat((argbValue & 0x00FF0000) >> 16) / 255.0,
        green: CGFloat((argbValue & 0x0000FF00) >> 8) / 255.0,
        blue: CGFloat(argbValue & 0x000000FF) / 255.0,
        alpha: CGFloat((argbValue & 0xFF000000) >> 24) / 255.0
    )
}
class Story{
    static func getStory(_ name:String)->UIStoryboard?{
        return UIStoryboard(name: name, bundle: nil);
    }
    static func instantiateViewControllerWithIdentifier(_ sid:String,storyName sname:String)->UIViewController?{
        return Story.getStory(sname)?.instantiateViewController(withIdentifier: sid)
    }
}
func appRootViewController()->UIViewController {
    let appRootVC=UIApplication.shared.keyWindow?.rootViewController
    var topVC=appRootVC
    while topVC!.presentedViewController != nil {
        topVC=topVC!.presentedViewController
    }
    return topVC!
}
extension AppDelegate{
    static func instance()->AppDelegate{
        
        return UIApplication.shared.delegate as! AppDelegate
    }
}
extension UIApplication {
    
    class func appVersion() -> String {
        return Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String
    }
    
    class func appBuild() -> String {
        return Bundle.main.object(forInfoDictionaryKey: kCFBundleVersionKey as String) as! String
    }
    
    class func versionBuild() -> String {
        let version = appVersion(), build = appBuild()
        return version == build ? "v\(version)" : "v\(version)(\(build))"
    }
}
extension UIViewController{
    ///设置顶栏的各种显示属性
    func configTheme(){
        self.navigationItem.title=self.navigationController?.title
        self.navigationController?.navigationBar.barTintColor=Theme.topBarColor()
        self.navigationController?.navigationBar.tintColor=UIColor.white
        self.navigationController?.navigationBar.isTranslucent=false
        self.navigationController?.navigationBar.titleTextAttributes = {[NSForegroundColorAttributeName: UIColor.white]}()//Theme.topBarColor()]}()
    }
    ///套上UINavigationController
    func wrapWithNavigationController()->UINavigationController{
        let nvc=UINavigationController(rootViewController: self)
        configTheme()
        return nvc
        
    }
}
extension UITableViewController{
    ///开始显示正在刷新状态
    func beginRefreshing(){
        if let refreshControl=self.refreshControl{
            
            refreshControl.beginRefreshing()
            self.tableView.setContentOffset(CGPoint(x: 0,y: self.topLayoutGuide.length-refreshControl.frame.size.height), animated: false)
            
        }
    }
    func scrollToTop() {
        if (self.numberOfSections(in: self.tableView) > 0 ) {
            
            let top = IndexPath(row: Foundation.NSNotFound, section: 0)
            
            self.tableView.scrollToRow(at: top, at: UITableViewScrollPosition.top, animated: false)
            
        }
    }
}
//获得屏幕的宽度

func getScreenWidth() ->CGFloat {
    return UIScreen.main.bounds.width
}

func getScreenHeight() ->CGFloat{
    return UIScreen.main.bounds.height
}
class indexLongPressGesture: UILongPressGestureRecognizer {
    var indexPath:IndexPath?
}
class indexUIMenuItem: UIMenuItem {
    var indexPath:IndexPath?
}

//图片缩放
extension UIImage{
    func imageScaledToScale(_ scale:CGFloat)->UIImage{
        UIGraphicsBeginImageContextWithOptions(self.size, true, scale)
        let context:CGContext = UIGraphicsGetCurrentContext()!
        context.interpolationQuality = CGInterpolationQuality.default
        draw(in: CGRect(x: 0, y: 0, width:size.width, height: size.height))
        let newImage=UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext();
        return newImage!
    }
    
    //像素超过maxPixels就缩放 为了统一，就算不需要缩放也会返回新引用
    func imageScaledToScale()->UIImage{
        
        let maxPixels:CGFloat=1800000
        var targetScale:CGFloat=1
        let currPixels=size.height*size.width
        if currPixels > maxPixels{
            targetScale=sqrt(maxPixels/currPixels)//maxPixels/currPixels
        }
        return imageScaledToScale(targetScale)
    }
}
//改变图片颜色
extension UIImageView{
    func chageImageColor(imageName:String,color:UIColor){
        self.image=UIImage(named: imageName)!.withRenderingMode(.alwaysTemplate)
        self.tintColor=color
    }
}

extension CALayer{
    func setBorderColorWith(_ color:UIColor){
        self.borderColor = color.cgColor
    }
}

class FilesManager{
    class func imageFilePath(_ fileName:String)->String{
        let documentsPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
        let imagePath=(documentsPath as NSString).appendingPathComponent("cache/image")
        do {
            try Foundation.FileManager.default.createDirectory(atPath: imagePath, withIntermediateDirectories: true, attributes: nil)
        } catch _ {
        }
        return (imagePath as NSString).appendingPathComponent(fileName)
    }
    class func cleanImageCache(){
        //TODO 删除临时图片
        let fm=Foundation.FileManager.default
        let documentsPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
        let imagePath=(documentsPath as NSString).appendingPathComponent("cache/image")
        if let files=try? fm.contentsOfDirectory(atPath: imagePath){
            for item in files{
                do {
                    try fm.removeItem(atPath: (imagePath as NSString).appendingPathComponent(item))
                } catch _ {
                }
            }
        }
    }
}
func cameraOrPhotPermissions(_ type:Int=0,view:UIView)->Bool{
    if type == 0{
        if !PhotoLibraryPermissions(){
            view.makeToast("请在iPhone的“设置-隐私-照片”选项中,允许教育视频云访问你的手机相册。", duration: 2, position: CSToastPositionBottom)
            return false
        }
    }else{
        if !cameraPermissions() {
            view.makeToast("请在iPhone的“设置-隐私-相机”选项中,允许教育视频云访问你的相机。", duration: 2, position: CSToastPositionBottom)
            return false
        }
    }
    return true
}

//判断相机权限
func cameraPermissions() -> Bool{
    let authStatus:AVAuthorizationStatus = AVCaptureDevice.authorizationStatus(forMediaType: AVMediaTypeVideo)
    if(authStatus == AVAuthorizationStatus.denied || authStatus == AVAuthorizationStatus.restricted) {
        return false
    }else {
        return true
    }
}
//判断相册权限
func PhotoLibraryPermissions() -> Bool {
    let library:PHAuthorizationStatus = PHPhotoLibrary.authorizationStatus()
    if(library == PHAuthorizationStatus.denied || library == PHAuthorizationStatus.restricted){
        return false
    }else {
        return true
    }
}
extension String {
    func isMobilePhoneNumber()->Bool {
        let str="^1[0-9]{10}"
        return NSPredicate(format: "SELF MATCHES %@", str).evaluate(with: self)
    }
    func md5() ->String!{
        let str = self.cString(using: String.Encoding.utf8)
        let strLen = CUnsignedInt(self.lengthOfBytes(using: String.Encoding.utf8))
        let digestLen = Int(CC_MD5_DIGEST_LENGTH)
        let result = UnsafeMutablePointer<CUnsignedChar>.allocate(capacity: digestLen)
        CC_MD5(str!, strLen, result)
        let hash = NSMutableString()
        for i in 0 ..< digestLen {
            hash.appendFormat("%02x", result[i])
        }
        result.deinitialize()
        return String(format: hash as String)
    }
}
//分享
func shareUrl(text:String,url:String,VC:UIViewController,image:UIImage,platformType:UMSocialPlatformType,title:String){//直播内容,url:直播链接地址，VC:当前视图，image:视频封面
    
    let messageObject=UMSocialMessageObject()
    messageObject.text=text
    let shareObject=UMShareWebpageObject.shareObject(withTitle: title, descr: text, thumImage: image)
    shareObject?.webpageUrl=url
    messageObject.shareObject=shareObject
    shareMessageToPlat(platformType, message: messageObject, viewController: VC)
    
    
//    UMSocialUIManager.showShareMenuViewInWindow { (shareSelectionView, platformType) in
//        let messageObject=UMSocialMessageObject()
//        messageObject.text="快来学事通直播助手观看我的直播"
//        let shareObject=UMShareWebpageObject.shareObject(withTitle: "学事通直播分享", descr: "快来学事通直播助手观看我的直播", thumImage: image)
//        shareObject?.webpageUrl=url
//        messageObject.shareObject=shareObject
//        shareMessageToPlat(platformType, message: messageObject, viewController: VC)
//    }
}
func shareMessageToPlat(_ plartForm:UMSocialPlatformType,message:UMSocialMessageObject,viewController:UIViewController){
    UMSocialManager.default().share(to: plartForm, messageObject: message, currentViewController: viewController, completion: {(data , error) in
        if error != nil{
            NSLog("分享错误原因:\(error.debugDescription)")
            if (error as! NSError).code==2008{
                viewController.view.makeToast("本机没有该应用")
            }
        }else{
            NSLog("分享的内容:\(data.debugDescription)")
        }
        })
}

func getUserInfoForPlatform(_ plartForm:UMSocialPlatformType,viewController:UIViewController){
            UMSocialManager.default().getUserInfo(with: UMSocialPlatformType.sina, currentViewController: viewController) { (result, error) in
    //            let userinfo = result as! UMSocialUserInfoResponse
    //            let message = "name: \(userinfo.name)\n icon: \(userinfo.iconurl)\n gender:\(userinfo.gender)\n"
                let alert = UIAlertController(title: "UserInfo", message: "message", preferredStyle: .alert)
                alert.addAction(UIAlertAction(title: "确定", style: .cancel, handler: nil))
                viewController.present(alert, animated: true, completion: nil)
            }

}
//将同级的view取消第一响应者
func resignTextFiledFirstResponder(){
    if let view = UIApplication.shared.keyWindow?.perform(Selector(("firstResponder"))){
        let firstView = view.takeUnretainedValue() as? UIView
        firstView?.resignFirstResponder()
    }
}

///ISO8601相关
private var iso8601Formatter:DateFormatter?
func dateFromISO8601(dateString:String)->Date{
    var dateFormatter:DateFormatter!
    if let tmp=iso8601Formatter{
        dateFormatter=tmp
    }else{
        iso8601Formatter = DateFormatter()
        iso8601Formatter!.locale = Locale(identifier: "en_US_POSIX")
        //iso8601Formatter!.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZZZZ"
        //iso8601Formatter!.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SS"
        dateFormatter=iso8601Formatter!
    }
    //不知道为什么服务器传回的时间有不同格式
    let arr = ["yyyy-MM-dd'T'HH:mm:ss.SSS","yyyy-MM-dd'T'HH:mm:ss","yyyy-MM-dd HH:mm:ss","yyyy-MM-dd HH:mm:ss.SSS","yyyy-MM-dd HH:mm:ss.SSS'Z'","yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"]
    for item in arr {
        iso8601Formatter!.dateFormat = item
        let ret=dateFormatter.date(from: dateString)
        if let date=ret{
            return date
        }
    }
    
    return Date(timeIntervalSince1970: 0)
}

func setDateToString(date:Date)->String{
    let timeFormatter = DateFormatter()
    timeFormatter.dateFormat = "yyyy-MM-dd"
    return timeFormatter.string(from: date)
}

//时间处理
func currentTime()->String{
    let format =  creatDateFormate(dateFormat: "yyyy-MM-dd HH:mm:ss")
    return format.string(from: Date())
    
}

//"yyyyMMddTHHmmss.SSS"转换为"yyyyMMdd HHmmss"
func allTimeStringComp(str:String)->String{
    let string = str.replacingOccurrences(of: "T", with: " ")
    return string.components(separatedBy: ".")[0]
}

//时间戳转时间
func makeTimeIntervalToString(time:TimeInterval)->String{
    let format =  creatDateFormate(dateFormat: "yyyy-MM-dd HH:mm:ss")
    let date = Date(timeIntervalSince1970: time)
    return format.string(from: date)
}

func creatDateFormate(dateFormat:String)->DateFormatter{
    let format =  DateFormatter()
    format.dateFormat = dateFormat
    return format
}

//字符串
func creatAlivcURLString(sid:String)->String{
    return "rtmp://live.on168.com.cn/LiveVod/S"+sid
}

//文档icon根据文档名称后缀区分
func selectImageFromString(string:String)->String{
    let str = string.lowercased()
    let arr = str.components(separatedBy: ".")
    if arr.count > 1{
        switch arr.last! {
        case "doc","docx":
            return "doc"
        case "xlsx","xsl":
            return "excel"
        case "jepg","jpg","bmp":
            return "jepg"
        case "ppt","pptx":
            return "ppt"
        case "pdf","png","rar","text","zip":
            return arr.last!
        default:
            return "icon"
        }
    }
    return "icon"
}

func getFirstLetter(str:String)->String{
    return String(format: "%c",pinyinFirstLetter((str as NSString).character(at: 0))).uppercased()
}