//
//  ProVersionVideoViewController.swift
//  Piccole Ricette
//
//  Created by Mattia Confalonieri on 02/01/18.
//  Copyright © 2018 42 srl. All rights reserved.
//

import UIKit
import StoreKit
import OneSignal
import ASPVideoPlayer

class ProVersionVideoViewController: UIViewController, SKProductsRequestDelegate, SKPaymentTransactionObserver  {

    let statusBarWindow = UIApplication.shared.value(forKey: "statusBarWindow") as? UIWindow

    var productsRequest = SKProductsRequest()
    var iapProducts = [SKProduct]()
    var productID = ""

    @IBOutlet var actionButton : RoundedButton!
    @IBOutlet var priceLabel : UILabel!
    @IBOutlet var infoTexView : SuperTextView!
    @IBOutlet var closeButton : UIButton!
    @IBOutlet var videoPlayer: ASPVideoPlayerView!

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)

        //PRICE REQUEST
        let productIdentifiers : NSSet = NSSet(object: InAppPurchaseID.ProVersion);
        productsRequest = SKProductsRequest(productIdentifiers: productIdentifiers as! Set<String>)
        productsRequest.delegate = self
        productsRequest.start()

    }

    override func viewDidLoad() {
        super.viewDidLoad()

        // PLAY VIDEO
        let videoURL = Bundle.main.url(forResource: "pro_version_480p", withExtension: "mp4")
        videoPlayer.videoURL = videoURL
        videoPlayer.readyToPlayVideo = {
            self.videoPlayer.playVideo()
        }
        videoPlayer.startedVideo = {
            DispatchQueue.main.asyncAfter(deadline: .now() + 5) {
                self.showClose()
            }
        }
        videoPlayer.error = { (error) -> Void in
            self.showClose()
        }

        // SETTA L'ALPHA DELLA NAVIGATION BAR E LA STATUS BAR BIANCA
        self.statusBarWindow?.alpha = 0
        self.navigationController?.setNavigationBarHidden(true, animated: false)

        if #available(iOS 11.0, *) {
            self.navigationItem.largeTitleDisplayMode = .never
        }

        //MARK: PRO VERSION
        let style = NSMutableParagraphStyle()
        style.alignment = NSTextAlignment.center
        let infoDictionary : [String : Any] = BundleFile.Generic!["pro video"] as! [String : Any]
        infoTexView.attributedText = NSMutableAttributedString(string: (infoDictionary["testo"] as? String)!, attributes: [ NSAttributedStringKey.font: TextStyle.RegularText! , NSAttributedStringKey.paragraphStyle: style] )

        actionButton!.setTitle("Acquista Piccole Ricette Pro", for: .normal)
        actionButton.isHidden = false

        priceLabel.textAlignment = .center
        priceLabel.textColor = Colors.Testo
        priceLabel.font? = TextStyle.LightText!
        priceLabel.numberOfLines = 1
        priceLabel.adjustsFontSizeToFitWidth = true
        priceLabel.minimumScaleFactor = 0.7
    }

    //SHOW CLOSE
    func showClose(){
        closeButton.isHidden = false
    }

    // PRICE REQUEST
    func productsRequest (_ request:SKProductsRequest, didReceive response:SKProductsResponse) {
        if (response.products.count > 0) {

            iapProducts = response.products
            let firstProduct = response.products[0] as SKProduct

            // RECUPERA IL PREZZO DALLO STORE
            let numberFormatter = NumberFormatter()
            numberFormatter.formatterBehavior = .behavior10_4
            numberFormatter.numberStyle = .currency
            numberFormatter.locale = firstProduct.priceLocale
            let price1Str = numberFormatter.string(from: firstProduct.price)

            // MOSTRA IL PREZZO NELLA LABEL
            if priceLabel != nil{
                priceLabel.text = "a soli \(price1Str!) per sempre"
            }
        }
    }

    // ACTION BUTTON
    @IBAction func actionButtonClick(){
        purchaseMyProduct(product: iapProducts[0])
    }

    // PURCHASE PRO VERSION
    func canMakePurchases() -> Bool {  return SKPaymentQueue.canMakePayments()  }
    func purchaseMyProduct(product: SKProduct) {
        videoPlayer.pauseVideo()
        if self.canMakePurchases() {
            let payment = SKPayment(product: product)
            SKPaymentQueue.default().add(self)
            SKPaymentQueue.default().add(payment)

            //print("Prodotto da acquistare: \(product.productIdentifier)")
            productID = product.productIdentifier

        } else {
            CustomAlertView.showGenericAlert(self,title: "Errore", message: "Questo dispositivo non è abilitato agli acquisti.",
                                             buttonTitle: nil,
                                             buttonCancel: "Chiudi",
                                             completion: { () -> Void in
            },
                                             cancel: { () -> Void in
                                                if self.videoPlayer.status == .paused{
                                                    self.videoPlayer.playVideo()
                                                }
            })
        }
    }

    // PAYMENT QUEUE
    func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
        for transaction:AnyObject in transactions {
            if let trans = transaction as? SKPaymentTransaction {
                switch trans.transactionState {

                case .purchased:
                    SKPaymentQueue.default().finishTransaction(transaction as! SKPaymentTransaction)
                    if productID == InAppPurchaseID.ProVersion {
                        // SALVATAGGIO UTENTE PRO SU ONE SIGNAL
                        OneSignal.sendTag("user_type", value: "pro")
                        // Attivo versione pro
                        ParseManager.updateUserExtraInfo()
                        CustomAlertView.showGenericAlert(self,title: "Successo", message: "Grazie per aver acquistato la versione Pro, goditi Piccole Ricette senza nessuna interruzione pubblicitaria.",
                                                         buttonTitle: nil,
                                                         buttonCancel: "Ok",
                                                         completion: { () -> Void in
                        },
                                                         cancel: { () -> Void in
                                   UserDefaults.standard.set(true, forKey: "VersioneProAcquistata")
                                                            self.chiudi()

                        })
                    }
                    break
                case .failed:
                    SKPaymentQueue.default().finishTransaction(transaction as! SKPaymentTransaction)
                    // SHOW ERROR ALERT ONLY WHEN THE FAILURE IS NOT CAUSED BY CANCELL TAP
                    if let error = transaction.error as? NSError {
                        if error.domain == SKErrorDomain {
                            if error.code != SKError.paymentCancelled.rawValue{
                                CustomAlertView.showGenericAlert(self,title: "Errore", message: "Non è stato possibile eseguire l'acquisto.",
                                                                 buttonTitle: nil,
                                                                 buttonCancel: "Ok",
                                                                 completion: { () -> Void in
                                },
                                                                 cancel: { () -> Void in
                                                                    if self.videoPlayer.status == .paused{
                                                                        self.videoPlayer.playVideo()
                                                                    }
                                })
                            }
                        }
                    }
                    break
                case .restored:
                    SKPaymentQueue.default().finishTransaction(transaction as! SKPaymentTransaction)
                    // SALVATAGGIO UTENTE PRO SU ONE SIGNAL
                    OneSignal.sendTag("user_type", value: "pro")
                    ParseManager.updateUserExtraInfo()
                    CustomAlertView.showGenericAlert(self,title: "Successo", message: "Avevi già acquistato Piccole Ricette Pro. Abbiamo ripristinato l'acquisto senza nessun ulteriore pagamento.",
                                                     buttonTitle: nil,
                                                     buttonCancel: "Ok",
                                                     completion: { () -> Void in
                    },
                                                     cancel: { () -> Void in
                                        UserDefaults.standard.set(true, forKey: "VersioneProAcquistata")
                                                        self.chiudi()
                    })
                    break

                default: break
                }}}
    }


    // BACK
    @IBAction func chiudi(){
        self.dismiss(animated: true, completion: nil)
    }

    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        videoPlayer.stopVideo()
        SKPaymentQueue.default().remove(self)
        // RIPRISTINO ALPHA NAVIGATION BAR E STATUS BAR ALPHA ALL'USCITA DALLA VISTA.
        self.navigationController?.setNavigationBarHidden(false, animated: false)
        self.statusBarWindow?.alpha = 1
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

}