//
//  AIPurchaseWindowController.swift
//  PDF Reader Pro Edition
//
//  Created by Niehaoyu on 2024/1/18.
//

import Cocoa

class AIPurchaseWindowController: NSWindowController, NSWindowDelegate {

    @IBOutlet weak var contendBox: NSBox!
    @IBOutlet weak var tipImage: NSImageView!
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var subTitleLabel: NSTextField!
    @IBOutlet weak var purchaseBox: NSBox!
    @IBOutlet weak var purchaseButton: KMButton!
    @IBOutlet weak var priceLabel: NSTextField!
    @IBOutlet weak var priceDesLabel: NSTextField!
    @IBOutlet weak var restoreButton: HyperLinkButton!
    @IBOutlet weak var privacyButton: HyperLinkButton!
    @IBOutlet weak var termOfButton: HyperLinkButton!
    
    static var currentWindowController: AIPurchaseWindowController!
    
    @objc static func currentWC() -> AIPurchaseWindowController {
        if currentWindowController != nil {
            return currentWindowController
        } else {
            let guideInfoWC: AIPurchaseWindowController = AIPurchaseWindowController.init(windowNibName: "AIPurchaseWindowController")
            currentWindowController = guideInfoWC;
            return guideInfoWC
        }
    }
    
    override func showWindow(_ sender: Any?) {
        super.showWindow(sender)
        if let window = self.window {
            window.center()
            self.reloadData()
        }
    }
    
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    
    override func windowDidLoad() {
        super.windowDidLoad()

        // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
        
        
        self.titleLabel.font = NSFont.UbuntuBoldFontWithSize(20)
        self.subTitleLabel.font = NSFont.SFProTextRegularFont(14)
        self.priceLabel.font = NSFont.UbuntuBoldFontWithSize(20)
        self.priceDesLabel.font = NSFont.SFProTextSemiboldFont(13)
        self.restoreButton.font = NSFont.SFProTextRegularFont(14)
        self.privacyButton.font = NSFont.SFProTextRegularFont(14)
        self.termOfButton.font = NSFont.SFProTextRegularFont(14)
        
        self.titleLabel.stringValue = NSLocalizedString("Purchase AI Tools", comment: "")
        self.subTitleLabel.stringValue = NSLocalizedString("Level up your PDF workflow with AI assistant. Unlock advanced features like AI Summarize, AI Translate, AI Rewrite, AI Proofread. ", comment: "")
        self.priceDesLabel.stringValue = NSLocalizedString("Purchase for 50 credits within 30 days", comment: "")
        self.restoreButton.title = NSLocalizedString("Restore", comment: "")
        self.privacyButton.title = NSLocalizedString("Privacy Policy", comment: "")
        self.termOfButton.title = NSLocalizedString("Terms of Service", comment: "")
        
        self.purchaseBox.wantsLayer = true
        self.purchaseBox.layer?.cornerRadius = NSHeight(self.purchaseBox.frame)/2
        self.purchaseBox.layer?.masksToBounds = true
        
        self.purchaseButton.wantsLayer = true
        self.purchaseButton.mouseMoveCallback = {[unowned self] mouseEntered in
            if self.purchaseButton.isEnabled == false {
                return
            }
            if mouseEntered {
                self.purchaseButton.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.2).cgColor
            } else {
                self.purchaseButton.layer?.backgroundColor = NSColor.clear.cgColor
            }
        }
        
        self.restoreButton.mouseMoveCallback = {[weak self] mouseEntered in
            if mouseEntered {
                if KMAppearance.isDarkMode() {
                    self?.restoreButton.setTitleColor(NSColor(red: 1, green: 1, blue: 1, alpha: 0.7))
                } else {
                    self?.restoreButton.setTitleColor(NSColor(red: 0, green: 0, blue: 0, alpha: 0.7))
                }
            } else {
                self?.restoreButton.setTitleColor(KMAppearance.KMColor_Layout_H2())
            }
        }
        self.privacyButton.mouseMoveCallback = {[weak self] mouseEntered in
            if mouseEntered {
                if KMAppearance.isDarkMode() {
                    self?.privacyButton.setTitleColor(NSColor(red: 1, green: 1, blue: 1, alpha: 0.7))
                } else {
                    self?.privacyButton.setTitleColor(NSColor(red: 0, green: 0, blue: 0, alpha: 0.7))
                }
            } else {
                self?.privacyButton.setTitleColor(KMAppearance.KMColor_Layout_H2())
            }
        }
        self.termOfButton.mouseMoveCallback = {[weak self] mouseEntered in
            if mouseEntered {
                if KMAppearance.isDarkMode() {
                    self?.termOfButton.setTitleColor(NSColor(red: 1, green: 1, blue: 1, alpha: 0.7))
                } else {
                    self?.termOfButton.setTitleColor(NSColor(red: 0, green: 0, blue: 0, alpha: 0.7))
                }
            } else {
                self?.termOfButton.setTitleColor(KMAppearance.KMColor_Layout_H2())
            }
        }
        
        self.refreshUI()
        
        self.addNotiObserver()
    }
    
    func addNotiObserver() -> Void {
        NotificationCenter.default.addObserver(self, selector: #selector(IAPProductLoadedNotification), name: NSNotification.Name(rawValue: NSNotification.Name.KMIAPProductLoaded.rawValue), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(IAPSubscriptionLoadedNotification), name: NSNotification.Name(rawValue: NSNotification.Name.KMIAPSubscriptionLoaded.rawValue), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(IAPProductPurchasedNotification), name: NSNotification.Name(rawValue: NSNotification.Name.KMIAPProductPurchased.rawValue), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(IAPProductFailedNotification), name: NSNotification.Name(rawValue: NSNotification.Name.KMIAPProductFailed.rawValue), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(IAPProductRestoreFinishedNotification), name: NSNotification.Name(rawValue: NSNotification.Name.KMIAPProductRestoreFinished.rawValue), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(IAPProductRestoreFailedNotification), name: NSNotification.Name(rawValue: NSNotification.Name.KMIAPProductRestoreFailed.rawValue), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(AIDeviceStatusChangeNotification), name: NSNotification.Name(rawValue: "kDeviceAIStatusChangeNotification"), object: nil)
        
    }
    
    func refreshUI() -> Void {
        if KMAppearance.isDarkMode() {
            self.contendBox.fillColor = NSColor(red: 24/255, green: 22/255, blue: 31/255, alpha: 1)
        } else {
            self.contendBox.fillColor = NSColor(red: 247/255, green: 245/255, blue: 1, alpha: 1)
        }
    }
    
    func reloadData() -> Void {
        self.purchaseButton.isEnabled = true
#if VERSION_FREE
        let priceLabel = IAPProductsManager.default().liteAIProduct.price()
#else
        let priceLabel = IAPProductsManager.default().proAIProduct.price()
#endif
        
        let aiInfoValid = AIInfoManager.default().aiInfoValid
        if  aiInfoValid {
            self.purchaseButton.isEnabled = false
            self.purchaseButton.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.2).cgColor
        } else {
            self.purchaseButton.isEnabled = true
            self.purchaseButton.layer?.backgroundColor = NSColor.clear.cgColor
        }
        self.priceLabel.stringValue = priceLabel!
    }
    
    func appStoreRestoreFinish() -> Void {
        var didPurchased: Bool = false
#if VERSION_FREE
        didPurchased = IAPProductsManager.default().liteAIProduct.isSubscribed
#else
        didPurchased = IAPProductsManager.default().proAIProduct.isSubscribed
#endif
        if didPurchased {
            AIInfoManager.default().restoreAI(withInfo: ["receipt_str":IAPProductsManager.default().temptransactioReceipt as Any]) { dict, error in
                if AIInfoManager.default().aiInfo.infoDict.keys.count > 0 {
                    let alert = NSAlert.init()
                    alert.messageText = NSLocalizedString("Restore successfully", comment: "")
                    alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                    alert.runModal()
                }
                self.removeWaitingView((self.window?.contentView)!)
            }
        }
        
    }
    
    func addWaingView(_ view: NSView) -> Void {
        self.removeWaitingView(view)
        
        let wView = WaitingView.init(frame: view.bounds)
        wView.autoresizingMask = [.width, .height]
        view.addSubview(wView)
        wView.startAnimation()
    }
    
    func removeWaitingView(_ view: NSView) -> Void {
        for view in view.subviews {
            if view.className == WaitingView.className() {
                view.removeFromSuperview()
                break
            }
        }
    }
    
    //MARK: - IBAction
    @IBAction func purchaseAction(_ sender: KMButton) {
#if VERSION_FREE
        IAPProductsManager.default().make(IAPProductsManager.default().liteAIProduct)
#else
        IAPProductsManager.default().make(IAPProductsManager.default().proAIProduct)
#endif
        self.addWaingView((self.window?.contentView)!)
    }
    
    @IBAction func restoreAction(_ sender: Any) {
        IAPProductsManager.default().restoreSubscriptions()

        self.addWaingView((self.window?.contentView)!)
    }
    
    @IBAction func privacyAction(_ sender: Any) {
        let url = URL(string:kAPPPrivacyPolicyURL)!
        NSWorkspace.shared.open(url)
    }
    
    @IBAction func termOfAction(_ sender: Any) {
        let url = URL(string:kAPPTermServiceURL)!
        NSWorkspace.shared.open(url)
    }
    
    //MARK: - Notification
    func windowWillClose(_ notification: Notification) {
        AIPurchaseWindowController.currentWindowController = nil
    }
    
    @objc func IAPProductLoadedNotification() {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            
            self.reloadData()
        }
    }
    
    @objc func IAPSubscriptionLoadedNotification() {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.removeWaitingView((self.window?.contentView)!)
            
            self.reloadData()
        }
    }
    
    @objc func IAPProductPurchasedNotification() {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.removeWaitingView((self.window?.contentView)!)
            
            self.reloadData()
            
            //Appstore购买结束后绑定票据信息
#if VERSION_FREE
            if IAPProductsManager.default().liteAIProduct.isSubscribed {
                AIInfoManager.default().activateAI(withInfo: ["receipt_str":IAPProductsManager.default().temptransactioReceipt as Any]) { dict, error in
                    self.reloadData()
                    if AIInfoManager.default().aiInfoValid {
                        self.close()
                    }
                }
            }
#else
            if IAPProductsManager.default().proAIProduct.isSubscribed {
                AIInfoManager.default().activateAI(withInfo: ["receipt_str":IAPProductsManager.default().temptransactioReceipt as Any]) { dict, error in
                    self.reloadData()
                    if AIInfoManager.default().aiInfoValid {
                        self.close()
                    }
                }
            }
#endif
        }
    }
    
    @objc func IAPProductFailedNotification() {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.removeWaitingView((self.window?.contentView)!)
        }
    }
    
    @objc func IAPProductRestoreFinishedNotification() {
        self.reloadData()
        self.appStoreRestoreFinish()
    }
    
    @objc func IAPProductRestoreFailedNotification() {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.removeWaitingView((self.window?.contentView)!)
            
        }
    }
    
    @objc func AIDeviceStatusChangeNotification() {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.reloadData()
            if AIInfoManager.default().aiInfoValid {
                self.close()
            }
        }
    }
    
    
    
}