//
//  AIUserInfoController.swift
//  PDF Reader Pro Edition
//
//  Created by Niehaoyu on 2024/1/17.
//

import Cocoa

@objcMembers class AIUserInfoController: NSViewController {

    @IBOutlet weak var contendBox: NSBox!
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var whatNewlabel: NSTextField!
    
    @IBOutlet weak var emptyContendBox: NSBox!
    @IBOutlet weak var emptyTitleLabel: NSTextField!
    @IBOutlet weak var emptyBuyNowBox: KMBox!
    @IBOutlet weak var emptyBuyNowLabel: NSTextField!
    @IBOutlet weak var emptyRestoreBtn: HyperLinkButton!
    @IBOutlet weak var emptyBuyNowBtn: KMButton!
    @IBOutlet weak var emptyTipButton: KMButton!
    @IBOutlet weak var emptyShowAIBtn: NSButton!
    
    
    @IBOutlet weak var creditsContendBox: NSBox!
    @IBOutlet weak var creditsInfoBox: KMBox!
    @IBOutlet weak var creditsTitleLabel: NSTextField!
    @IBOutlet weak var validCreditLabel: NSTextField!
    @IBOutlet weak var totalCreditLabel: NSTextField!
    @IBOutlet weak var alreadCreditBox: NSBox!
    @IBOutlet weak var alreadyCreditLabel: NSTextField!
    @IBOutlet weak var timeDescriptionInfoLabel: NSTextField!
    @IBOutlet weak var dateInfoLabel: NSTextField!
    @IBOutlet weak var creditsBuyNowBox: KMBox!
    @IBOutlet weak var creditsBuyNowLabel: NSTextField!
    @IBOutlet weak var creditsRestoreBtn: HyperLinkButton!
    @IBOutlet weak var creditBuyNowBtn: KMButton!
    @IBOutlet weak var creditTipBtn: KMButton!
    @IBOutlet weak var showAIRobotBtn: NSButton!
    
    var popOver: NSPopover!
    
    var guideHandle: ((_ vc: AIUserInfoController) -> Void)?
    var purchaseHandle: ((_ vc: AIUserInfoController) -> Void)?
    var enterLicenseHandle: ((_ vc: AIUserInfoController) -> Void)?
    
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        
        self.view.wantsLayer = true
        if KMAppearance.isDarkMode() {
            self.view.layer?.backgroundColor = NSColor(red: 43/255, green: 43/255, blue: 43/255, alpha: 1).cgColor
        } else {
            self.view.layer?.backgroundColor = NSColor.white.cgColor
        }

        self.titleLabel.font = NSFont.SFProTextSemiboldFont(18)
        self.whatNewlabel.font = NSFont.SFProTextSemiboldFont(12)
        self.titleLabel.textColor = KMAppearance.KMColor_Layout_H0()
        self.whatNewlabel.textColor = KMAppearance.KMColor_Interactive_A0()
        
        self.titleLabel.stringValue = NSLocalizedString("AI Tools Title", comment: "")
        self.whatNewlabel.stringValue = NSLocalizedString("What‘s New", comment: "") + " →"
        
        self.creditsTitleLabel.stringValue = NSLocalizedString("Available credits this month", comment: "")
        self.alreadyCreditLabel.stringValue = NSLocalizedString("Credits to be unlocked: ", comment: "")
        self.creditsBuyNowLabel.stringValue = NSLocalizedString("Buy Now", comment: "")
        
        self.emptyContendBox.isHidden = true
        self.creditsContendBox.isHidden = true
        self.emptyShowAIBtn.isHidden = true
        if AIInfoManager.default().aiInfoValid == true {
            self.creditsContendBox.isHidden = false
            
            var viewRect = self.view.frame
            viewRect.size.height = 330
            self.view.frame = viewRect
            
        } else {
            self.emptyContendBox.isHidden = false
            self.emptyShowAIBtn.isHidden = false
            
            var viewRect = self.view.frame
            viewRect.size.height = 386
            self.view.frame = viewRect
        }
        
        self.updateBtnShowState()
        
        self.updateEmptyCreditViewUI()
        self.updateCreditsViewUI()
        
        NotificationCenter.default.addObserver(self, selector: #selector(aiStatusInfoChangeNoti), name: NSNotification.Name(rawValue: kDeviceAIStatusChangeNotification), object: nil)
        
        self.updateCreditsViewInfo()
        
        self.creditTipBtn.mouseMoveCallback = {[unowned self] mouseEntered in
            if mouseEntered {
                let tipString = NSLocalizedString("Each use of the AI tools costs 1 or more credits.", comment: "")
          
                let popViewController = KMToolbarItemPopViewController.init()
                if self.popOver == nil {
                    self.popOver = NSPopover.init()
                }
                self.popOver.contentViewController = popViewController
                self.popOver.animates = false
                self.popOver.behavior = .semitransient
                self.popOver.contentSize = (popViewController.view.frame.size)
                popViewController.updateWithHelpTip(helpTip: tipString)
                self.popOver.show(relativeTo: self.creditTipBtn.frame, of: self.creditTipBtn.superview!, preferredEdge: .maxY)
            } else {
                self.popOver.close()
            }
        }
        
        self.emptyTipButton.mouseMoveCallback = {[unowned self] mouseEntered in
            if mouseEntered {
                let tipString = NSLocalizedString("Each use of the AI tools costs 1 or more credits.", comment: "")
          
                let popViewController = KMToolbarItemPopViewController.init()
                if self.popOver == nil {
                    self.popOver = NSPopover.init()
                }
                self.popOver.contentViewController = popViewController
                self.popOver.animates = false
                self.popOver.behavior = .semitransient
                self.popOver.contentSize = (popViewController.view.frame.size)
                popViewController.updateWithHelpTip(helpTip: tipString)
                self.popOver.show(relativeTo: self.emptyTipButton.frame, of: self.emptyTipButton.superview!, preferredEdge: .maxY)
            } else {
                self.popOver.close()
            }
        }
        
    }
    
    
    
    func updateEmptyCreditViewUI() -> Void {
        self.emptyContendBox.cornerRadius = 8
        if KMAppearance.isDarkMode() {
            self.emptyContendBox.fillColor = NSColor(red: 0, green: 0, blue: 0, alpha: 0.4)
        } else {
            self.emptyContendBox.fillColor = NSColor(red: 249/255, green: 247/255, blue: 250/255, alpha: 1)
        }
        self.emptyTitleLabel.textColor = KMAppearance.KMColor_Layout_H0()
        self.emptyBuyNowLabel.textColor = NSColor.white
        self.emptyBuyNowBox.fillColor = NSColor.clear
        
        self.emptyBuyNowBox.wantsLayer = true
        self.emptyBuyNowBox.layer?.cornerRadius = 20
        self.emptyBuyNowBox.layer?.masksToBounds = true
        
        self.emptyBuyNowBtn.wantsLayer = true
        self.emptyBuyNowBtn.layer?.backgroundColor = NSColor.clear.cgColor
        self.emptyBuyNowBtn.mouseMoveCallback = {[weak self] mouseEntered in
            if mouseEntered {
                self?.emptyBuyNowBtn.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.2).cgColor
            } else {
                self?.emptyBuyNowBtn.layer?.backgroundColor = NSColor.clear.cgColor
            }
        }
        
        self.emptyTitleLabel.font = NSFont.SFProTextSemiboldFont(14)
        self.emptyBuyNowLabel.font = NSFont.UbuntuMediumFontWithSize(16)
        self.emptyRestoreBtn.font = NSFont.SFProTextRegularFont(14)
        
        self.emptyTitleLabel.stringValue = NSLocalizedString("You have no credit", comment: "")
        self.emptyBuyNowLabel.stringValue = NSLocalizedString("Buy Now", comment: "")
        self.emptyRestoreBtn.title = NSLocalizedString("Enter AI License", comment: "")
        
        self.emptyRestoreBtn.setTitleColor(KMAppearance.KMColor_Interactive_M0())
        self.emptyRestoreBtn.mouseMoveCallback = {[weak self] mouseEntered in
            if mouseEntered {
                self?.emptyRestoreBtn.setTitleColor(KMAppearance.KMColor_Interactive_M1())
            } else {
                self?.emptyRestoreBtn.setTitleColor(KMAppearance.KMColor_Interactive_M0())
            }
        }
        
        self.emptyShowAIBtn.title = NSLocalizedString("Show AI robot icon", comment: "")
        self.emptyShowAIBtn.setTitleColor(KMAppearance.KMColor_Layout_H0())
        self.emptyShowAIBtn.state = AIInfoManager.default().showAIIcon ? .on : .off
        self.emptyShowAIBtn.isHidden = true

    }
    
    func updateCreditsViewUI() -> Void {
        
        self.creditsInfoBox.wantsLayer = true
        self.creditsInfoBox.layer?.cornerRadius = 8
        self.creditsInfoBox.layer?.masksToBounds = true
        self.creditsContendBox.fillColor = NSColor.clear
        
        self.showAIRobotBtn.title = NSLocalizedString("Show AI robot icon", comment: "")
        self.showAIRobotBtn.setTitleColor(KMAppearance.KMColor_Layout_H0())
        self.showAIRobotBtn.state = AIInfoManager.default().showAIIcon ? .on : .off
        self.showAIRobotBtn.isHidden = true
        
        if KMAppearance.isDarkMode() {
            self.creditsInfoBox.fillColor = NSColor(red: 0, green: 0, blue: 0, alpha: 0.4)
            self.creditsTitleLabel.textColor = NSColor.white
            self.alreadCreditBox.fillColor = NSColor(red: 155/255, green: 83/255, blue: 1, alpha: 0.3)
        } else {
            self.creditsInfoBox.fillColor = NSColor(red: 249/255, green: 247/255, blue: 250/255, alpha: 1)
            self.creditsTitleLabel.textColor = KMAppearance.KMColor_Layout_H0()
            self.alreadCreditBox.fillColor = NSColor(red: 155/255, green: 83/255, blue: 1, alpha: 0.1)
        }
        
        self.creditsRestoreBtn.title = NSLocalizedString("Enter AI License", comment: "")
        self.creditsRestoreBtn.setTitleColor(KMAppearance.KMColor_Interactive_M0())
        
        self.creditBuyNowBtn.wantsLayer = true
        self.creditBuyNowBtn.layer?.backgroundColor = NSColor.clear.cgColor
        self.creditBuyNowBtn.mouseMoveCallback = {[weak self] mouseEntered in
            if mouseEntered {
                self?.creditBuyNowBtn.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.2).cgColor
            } else {
                self?.creditBuyNowBtn.layer?.backgroundColor = NSColor.clear.cgColor
            }
        }
            
        self.creditsTitleLabel.font = NSFont.SFProTextSemiboldFont(14)
        
        self.validCreditLabel.font = NSFont.UbuntuBoldFontWithSize(32)
        self.validCreditLabel.textColor = NSColor(red: 166/255, green: 102/255, blue: 1, alpha: 1)
        self.totalCreditLabel.font = NSFont.UbuntuMediumFontWithSize(20)
        self.totalCreditLabel.textColor = KMAppearance.KMColor_Layout_H2()
        
        self.alreadCreditBox.borderWidth = 0
        self.alreadyCreditLabel.font = NSFont.SFProTextRegularFont(13)
        self.alreadyCreditLabel.textColor = KMAppearance.KMColor_Layout_H1()
        
        self.timeDescriptionInfoLabel.textColor = KMAppearance.KMColor_Status_Err()
        self.timeDescriptionInfoLabel.font = NSFont.SFProTextRegularFont(13)
        
        self.dateInfoLabel.textColor = KMAppearance.KMColor_Layout_H2()
        self.dateInfoLabel.font = NSFont.SFProTextRegularFont(12)
        
        self.creditsRestoreBtn.font = NSFont.SFProTextRegularFont(14)
        self.creditsBuyNowBox.fillColor = NSColor.clear
        self.creditsBuyNowBox.wantsLayer = true
        self.creditsBuyNowBox.layer?.cornerRadius = 18
        self.creditsBuyNowBox.layer?.masksToBounds = true
        self.creditsBuyNowLabel.font = NSFont.UbuntuMediumFontWithSize(14)
        self.creditsBuyNowLabel.textColor = NSColor.white

        self.creditsRestoreBtn.setTitleColor(KMAppearance.KMColor_Interactive_M0())
        
        self.updateBtnShowState()
        
    }
    
    func updateBtnShowState() {
#if VERSION_DMG
        self.emptyRestoreBtn.isHidden = false
#else
        self.emptyRestoreBtn.isHidden = true
        self.creditsRestoreBtn.isHidden = true
        if AIInfoManager.default().aiInfoValid == true {
            self.creditsBuyNowBox.isHidden = true
        } else {
            self.creditsBuyNowBox.isHidden = false
        }
#endif
    }
    
    func updateCreditsViewInfo() -> Void {
        let aiInfo: AIInfo = AIInfoManager.default().aiInfo
        if aiInfo.infoDict.keys.count == 0 {
            return
        }
        self.validCreditLabel.stringValue = String(format: "%d", aiInfo.totalToken-aiInfo.usedTimes)
        self.totalCreditLabel.stringValue = "/" + String(format: "%d", aiInfo.totalToken)
        
        self.alreadyCreditLabel.stringValue = NSLocalizedString("Credits to be unlocked: ", comment: "") + String(format: "%d", aiInfo.pre_creditToken)
        
        let leftDays = String(format: "%ld", aiInfo.remainingDays)
        self.timeDescriptionInfoLabel.stringValue = String(format: NSLocalizedString("%@ days left on subscription", comment: ""), leftDays)
        
        let dateFormatter = DateFormatter.init()
        dateFormatter.dateFormat = "yyyy.MM.dd"
        let startDateStr = dateFormatter.string(from: aiInfo.startDate)
        let endDateStr = dateFormatter.string(from: aiInfo.endDate)
        self.dateInfoLabel.stringValue = startDateStr + " - " + endDateStr
        
        self.emptyContendBox.isHidden = true
        self.emptyShowAIBtn.isHidden = true
        self.creditsContendBox.isHidden = true
        if AIInfoManager.default().aiInfoValid == true {
            self.creditsContendBox.isHidden = false
        } else {
            self.emptyContendBox.isHidden = false
            self.emptyShowAIBtn.isHidden = false
        }
        
        if AIInfoManager.default().aiInfoValid == true {
            var viewRect = self.view.frame
            viewRect.size.height = 330
            self.view.frame = viewRect
        } else {
            var viewRect = self.view.frame
            viewRect.size.height = 386
            self.view.frame = viewRect
        }
    }
    
    //MARK: - IBAction
    
    @IBAction func newGuideAction(_ sender: Any) {
        guard let callBack = self.guideHandle else {
            return
        }
        callBack(self)
    }
    
    @IBAction func purchaseAction(_ sender: KMButton) {
        guard let callBack = self.purchaseHandle else {
            return
        }
        
        let newStatus: Bool = KMCloudServer.isConnectionAvailable()
        if !newStatus {
            let alert = NSAlert()
            alert.alertStyle = .critical
            alert.messageText = NSLocalizedString("Please make sure your internet connection is available.", comment: "")
            alert.runModal()
            return
        }
        callBack(self)
    }
    
    @IBAction func enterLicenseAction(_ sender: KMButton) {
        guard let callBack = self.enterLicenseHandle else {
            return
        }
        callBack(self)
    }
    
    @IBAction func showAIRobotAction(_ sender: NSButton) {
        if self.showAIRobotBtn.state == .on {
            AIInfoManager.default().showAIIcon = true
        } else {
            AIInfoManager.default().showAIIcon = false
        }
        NotificationCenter.default.post(name: NSNotification.Name(rawValue: kAIIconShowStateChangeNotification), object: nil)

    }
    
    @IBAction func emptyShowAIRototAction(_ sender: NSButton) {
        if self.emptyShowAIBtn.state == .on {
            AIInfoManager.default().showAIIcon = true
        } else {
            AIInfoManager.default().showAIIcon = false
        }
        NotificationCenter.default.post(name: NSNotification.Name(rawValue: kAIIconShowStateChangeNotification), object: nil)
    }
    
    
    @IBAction func creditRestoreAction(_ sender: NSButton) {
        guard let callBack = self.enterLicenseHandle else {
            return
        }
        callBack(self)
    }
    
    
    
    @objc func aiStatusInfoChangeNoti() {
       DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
           self.updateCreditsViewInfo()
       }
   }
}