//
//  PdfC.swift
//  MoSlaty
//
//  Created by osama altmeme on 19/03/2021.
//

import UIKit
import PDFKit
import WebKit
import GoogleMobileAds
import Alamofire
import NVActivityIndicatorView
import MessageUI


class PdfC: UIViewController,WKUIDelegate ,WKNavigationDelegate ,GADInterstitialDelegate , MFMailComposeViewControllerDelegate  {
    @IBOutlet weak var BarBtn: UIBarButtonItem!

    let loading = NVActivityIndicatorView(frame: .zero, type: .lineSpinFadeLoader, color: #colorLiteral(red: 0.1764705926, green: 0.4980392158, blue: 0.7568627596, alpha: 1), padding: 0)

    var fileNum = "\(ThePDFNum)"
    var didView = WKWebView()
    var MailLimit = true
    var mInterstitial: GADInterstitial!


    override func viewDidLoad() {
        super.viewDidLoad()

        //osama
        if (ThePDFNum == ""){
            showAdmobInterstitial()
            BarBtn.image = UIImage(systemName: "person.fill.questionmark")
            title =  theName

            let myURL = URL(string:"\(ThepdfPage)")
               let myRequest = URLRequest(url: myURL!)
            didView.load(myRequest)
            didView.frame = CGRect(x: view.frame.origin.x, y: view.frame.origin.y, width: view.frame.size.width, height:view.frame.size.height)
            didView.navigationDelegate = self
            didView.backgroundColor = UIColor .clear
            didView.isOpaque = false
            view.addSubview(didView)
            startAnimation(start: "run")

        }else {




            let pdfView = PDFView(frame: view.frame)

             title = "\(theName)"

             if let url = Bundle.main.url(forResource: fileNum, withExtension: "pdf"),
                 let pdfDocument = PDFDocument(url: url) {
                 pdfView.displayMode = .singlePageContinuous
                 pdfView.autoScales = true
                 pdfView.displayDirection = .vertical
                 pdfView.document = pdfDocument

                 view.addSubview(pdfView)
             }



        }



    }


    @IBAction func ShareBTN(_ sender: Any) {


        if (ThePDFNum != "") {
            // This Code for Download PDF and Share
            startAnimation(start: "run")

            let pdfurl = "\(ThePDF)"
            // before downloading lets check if the file is already downloaded
            let url = URL(string: pdfurl)!
            var docPath = URL(fileURLWithPath: NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0])
            docPath.appendPathComponent(url.lastPathComponent)
            if FileManager.default.fileExists(atPath: docPath.path) {
                let ActivityViewController = UIActivityViewController(activityItems: [URL(fileURLWithPath: docPath.path)], applicationActivities: nil)
                self.present(ActivityViewController, animated: true, completion: nil)
                if let popOver = ActivityViewController.popoverPresentationController {
                    popOver.barButtonItem = self.BarBtn
                }
               startAnimation(start: "stop")
            } else {
                // downloading file
                let destination = DownloadRequest.suggestedDownloadDestination(for: .documentDirectory)
                AF.download(pdfurl, to: destination).response { (response) in
                    if response.error != nil {
                        self.startAnimation(start: "stop")
                        print(response.error!)
                        let alert = UIAlertController(title: nil, message: response.error!.localizedDescription, preferredStyle: .alert)
                        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
                        self.present(alert, animated: true, completion: nil)
                    } else {
                        // file is ready
                       self.startAnimation(start: "stop")
                        let ActivityViewController = UIActivityViewController(activityItems: [URL(fileURLWithPath: response.fileURL!.path)], applicationActivities: nil)
                        self.present(ActivityViewController, animated: true, completion: nil)
                        if let popOver = ActivityViewController.popoverPresentationController {
                            popOver.barButtonItem = self.BarBtn
                        }
                    }
                }
            }


    }else {

        if (MailLimit == true) {

            MailLimit = false
        if MFMailComposeViewController.canSendMail() {
            let mail = MFMailComposeViewController()
            mail.mailComposeDelegate = self
            mail.setToRecipients(["arabfono143@hotmail.com"])
            mail.setSubject("\(theName)\(theNameHead) ابلغ عن خطأ")
            mail.setMessageBody("<p>اكتب هنا مشكلتك - اي رساله تكون فاضيه راح يتم تجاهلها</p>", isHTML: true)

            present(mail, animated: true)
        } else {
            // show failure alert
        }
        } else if (MailLimit == false){

            let alert = UIAlertController(title: "", message: "تم ابلاغ عن المشكله وسوف نقوم بالرد عليك قريبا على بريدك الالكتروني", preferredStyle: UIAlertController.Style.alert)
            self.present(alert, animated: true, completion: nil)
            alert.addAction(UIAlertAction(title: "حسنا", style: .default, handler: { action in
                switch action.style{
                case .default: break


                @unknown default: break

                }
            }))

        }



    }






    }



    //NVActivityIndicatorView add subbview and size

    fileprivate func startAnimation(start: String){
        loading.translatesAutoresizingMaskIntoConstraints = false
        view.addSubview(loading)
        NSLayoutConstraint.activate([
            loading.widthAnchor.constraint(equalToConstant: 150),
            loading.heightAnchor.constraint(equalToConstant: 150),
            loading.centerYAnchor.constraint(equalTo: view.centerYAnchor),
            loading.centerXAnchor.constraint(equalTo: view.centerXAnchor)

        ])

        if (start == "run"){
           loading.startAnimating()

        }

        if (start == "stop"){
            loading.stopAnimating()
        }

    }


    func webView(_ webView: WKWebView,
       didFinish navigation: WKNavigation!) {
       startAnimation(start: "stop")

     }
    func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
        controller.dismiss(animated: true)
    }

    // ADS Setp 2

    func  showAdmobInterstitial()
    {
        let kGoogleFullScreenAppUnitID = "ca-app-pub-2534034482177387/8255100599";
        self.mInterstitial = GADInterstitial.init(adUnitID:kGoogleFullScreenAppUnitID )

        mInterstitial.delegate = self
        let Request  = GADRequest()
        // Request.testDevices = ["2077ef9a63d2b398840261c8221a0c9b"]
        mInterstitial.load(Request)

    }



    // ADS Setp 3

    func interstitialDidReceiveAd(_ ad: GADInterstitial!)
    {
        if mInterstitial != nil {
            if mInterstitial!.isReady {
                mInterstitial?.present(fromRootViewController: self)
                print("Ad presented")
            } else {
                print("Ad was not ready for presentation")
            }
        }

}
}