//
//  KMFunctionGuideMultiController.swift
//  PDF Reader Pro Edition
//
//  Created by Niehaoyu on 2023/12/6.
//

import Cocoa

class KMFunctionGuideMultiController: NSViewController {
    
    @IBOutlet weak var contendView: NSView!
    
    @IBOutlet weak var titleInfoView: NSView!
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var typeNameView: NSView!
    @IBOutlet weak var getStartBox: KMBox!
    @IBOutlet weak var getStartLabel: NSTextField!
    @IBOutlet weak var getStartButton: KMButton!
    @IBOutlet weak var learnButton: HyperLinkButton!
    @IBOutlet weak var nameHeightConst: NSLayoutConstraint!
    
    @IBOutlet weak var descriptionBGView: NSView!
    @IBOutlet weak var iconImage: NSImageView!
    @IBOutlet weak var previousButton: KMButton!
    @IBOutlet weak var nextButton: KMButton!
    @IBOutlet weak var desLabel: NSTextField!
    @IBOutlet weak var desSubLabel: NSTextField!
    
    let DigitalSignatureKey = "DigitalSignatureKey"
    let ComparePDFsKey = "ComparePDFsKey"
    let AIInfoKey = "AIInfoKey"
    
    var namesArr = Array<Any>()
    var currentNameKEY = String()
    
    var clickHandle: ((_ controller: KMFunctionGuideMultiController)->Void)?
    
    deinit {
        DistributedNotificationCenter.default.removeObserver(self)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        self.namesArr = [["name":"AI Tools",
                          "key":AIInfoKey,
                          "infoTitle":"Experience the Power of PDF AI Tools",
                          "imageName":"whatNew_AIGuide",
                          "description":NSLocalizedString("• AI Summarize with a deep understanding of document", comment: "") + "\n" + NSLocalizedString("• AI Translate your document without leaving a PDF", comment: "") + "\n" + NSLocalizedString("• Check grammar, fix spelling errors to ensure a professional file", comment: "") + "\n" + NSLocalizedString("• Rewrite your PDF to enhance style and polish content", comment: "")]]
        let dict = self.namesArr.first as! NSDictionary
        self.currentNameKEY = dict["key"] as! String
        
        self.loadTypeNameView()
        self.reloadNameViewInfo()
        self.reloadDescriptionInfo()
        
        self.descriptionBGView.wantsLayer = true
        
        self.titleInfoView.wantsLayer = true
        self.getStartBox.wantsLayer = true
        self.getStartBox.layer?.cornerRadius = CGRectGetHeight(self.getStartBox.frame)/2
        self.getStartBox.layer?.masksToBounds = true
        
        self.titleLabel.stringValue = NSLocalizedString("What‘s New", comment: "")
        self.getStartLabel.stringValue = NSLocalizedString("Buy Now", comment: "")
        self.learnButton.title = NSLocalizedString("Feedback", comment: "")
        self.learnButton.toolTip = NSLocalizedString("Feedback", comment: "")
        
        self.titleLabel.font = NSFont.SFProTextHeavyFont(20)
        self.getStartLabel.font = NSFont.SFProTextSemiboldFont(14)
        self.learnButton.font = NSFont.SFProTextSemiboldFont(14)
        self.desLabel.font = NSFont.SFProTextSemiboldFont(14)
        self.desSubLabel.font = NSFont.SFProTextRegularFont(14)
        
        self.getStartButton.wantsLayer = true
        self.getStartButton.mouseMoveCallback = { [weak self] mouseEntered in
            if KMAppearance.isDarkMode() {
                if mouseEntered {
                    self?.getStartButton.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.2).cgColor
                } else {
                    self?.getStartButton.layer?.backgroundColor = NSColor.clear.cgColor
                }
            } else {
                if mouseEntered {
                    self?.getStartButton.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.2).cgColor
                } else {
                    self?.getStartButton.layer?.backgroundColor = NSColor.clear.cgColor
                }
            }
        }
        
        self.learnButton.mouseMoveCallback = { [weak self] mouseEntered in
            if mouseEntered {
                self?.learnButton.setTitleColor(KMAppearance.KMColor_Interactive_M1())
            } else {
                self?.learnButton.setTitleColor(KMAppearance.KMColor_Interactive_M0())
            }
        }
    
        
        DistributedNotificationCenter.default().addObserver(self, selector: #selector(themeChange), name: NSNotification.Name(rawValue: "AppleInterfaceThemeChangedNotification"), object: nil)
        self.updateViewColor()
    }
    
    func loadTypeNameView() {
        
//        self.typeNameView.wantsLayer = true
//        self.typeNameView.layer?.backgroundColor = NSColor.red.cgColor
        
        var offsetY: CGFloat = 0
        let itemHeight: CGFloat = 32
        
        let viewHeight: CGFloat = itemHeight * CGFloat(self.namesArr.count)
        self.nameHeightConst.constant = viewHeight
        
        for i in 0...self.namesArr.count - 1 {
            let dict = self.namesArr[i]
            let nameItem: KMFunctionGuideNameItemView = KMFunctionGuideNameItemView.createFromNib()!
            nameItem.frame = CGRectMake(0, viewHeight - offsetY - itemHeight, CGRectGetWidth(self.typeNameView.frame), itemHeight)
            nameItem.infoDict = dict as! NSDictionary
            nameItem.clickHandle = {[unowned self] view in
                self.currentNameKEY = view.infoDict["key"] as! String
                self.reloadNameViewInfo()
                self.reloadDescriptionInfo()
            }
            nameItem.autoresizingMask = [.width, .maxYMargin]
            self.typeNameView.addSubview(nameItem)
            offsetY += itemHeight
        }
        
        if self.namesArr.count > 1 {
            self.previousButton.isHidden = false
            self.nextButton.isHidden = false
        } else {
            self.previousButton.isHidden = true
            self.nextButton.isHidden = true
        }
    }
    
    func reloadNameViewInfo() {
        for view in self.typeNameView.subviews {
            if view is KMFunctionGuideNameItemView {
                let itemView = view as! KMFunctionGuideNameItemView
                if itemView.infoDict["key"] as! String == self.currentNameKEY {
                    itemView.isSelected = true
                } else {
                    itemView.isSelected = false
                }
            }
        }
    }
    
    func reloadDescriptionInfo() {
        
        self.previousButton.isEnabled = true
        self.nextButton.isEnabled = true
        
        for i in 0...self.namesArr.count - 1 {
            let dict = self.namesArr[i] as! NSDictionary
            if dict["key"] as! String == self.currentNameKEY {
                self.desLabel.stringValue = NSLocalizedString(dict["infoTitle"] as! String, comment: "")
                self.desSubLabel.stringValue = NSLocalizedString(dict["description"] as! String, comment: "")
                self.iconImage.image = NSImage(named: dict["imageName"] as! String)
            }
            
            let keyValue = dict["key"] as! String
            if i == 0 && keyValue == self.currentNameKEY {
                self.previousButton.isEnabled = false
            } else if i == self.namesArr.count - 1 && keyValue == self.currentNameKEY {
                self.nextButton.isEnabled = false
            }
            
        }
    }
    
    func updateViewColor() {
        self.getStartBox.fillColor = KMAppearance.KMColor_Interactive_A0()
        self.getStartLabel.textColor = KMAppearance.KMColor_Layout_W0()
        self.learnButton.setTitleColor(KMAppearance.KMColor_Interactive_M0())
        
        if KMAppearance.isDarkMode() {
            self.titleInfoView.layer?.backgroundColor = NSColor(red: 14/255.0, green: 17/255, blue: 20/255, alpha: 1).cgColor
            self.descriptionBGView.layer?.backgroundColor = NSColor(red: 40/255.0, green: 40/255, blue: 40/255, alpha: 1).cgColor
            self.titleLabel.textColor = NSColor.white
            self.desLabel.textColor = NSColor.white
            self.desSubLabel.textColor = NSColor(red: 200/255, green: 201/255, blue: 204/255, alpha: 1)
            self.getStartBox.fillColor = NSColor(red: 34/255, green: 122/255, blue: 255/255, alpha: 1)
        } else {
            self.titleInfoView.layer?.backgroundColor = NSColor(red: 249/255.0, green: 249/255, blue: 252/255, alpha: 1).cgColor
            self.descriptionBGView.layer?.backgroundColor = NSColor.white.cgColor
            self.titleLabel.textColor = NSColor(red: 0, green: 33/255, blue: 67/255, alpha: 1)
            self.desLabel.textColor = NSColor(red: 14/255, green: 17/255, blue: 20/255, alpha: 1)
            self.desSubLabel.textColor = NSColor(red: 14/255, green: 17/255, blue: 20/255, alpha: 1)
            self.getStartBox.fillColor = NSColor(red: 73/255, green: 130/255, blue: 230/255, alpha: 1)
        }
        
        for view in self.typeNameView.subviews {
            if view is KMFunctionGuideNameItemView {
                let itemView = view as! KMFunctionGuideNameItemView
                itemView.updateViewColor()
            }
        }
    }
    
    //MARK: IBAction
    @IBAction func getStartAction(_ sender: Any) {
        guard let callBack = self.clickHandle else {
            return
        }
        callBack(self)
    }
    
    @IBAction func learnMoreAction(_ sender: Any) {
        let url = URL(string:NSLocalizedString("https://forms.gle/crjCAW4cnF7eq1vQ6", comment: ""))!
        NSWorkspace.shared.open(url)
    }
    
    @IBAction func previousAction(_ sender: Any) {
        for i in 0...self.namesArr.count - 1 {
            let dict = self.namesArr[i] as! NSDictionary
            if dict["key"] as! String == self.currentNameKEY {
                if i > 0 {
                    let preDic = self.namesArr[i-1] as! NSDictionary
                    self.currentNameKEY = preDic["key"] as! String
                    break
                }
            }
        }
        self.reloadNameViewInfo()
        self.reloadDescriptionInfo()
    }
    
    @IBAction func nextAction(_ sender: Any) {
        for i in 0...self.namesArr.count - 1 {
            let dict = self.namesArr[i] as! NSDictionary
            if dict["key"] as! String == self.currentNameKEY {
                if i < self.namesArr.count {
                    let nextDic = self.namesArr[i+1] as! NSDictionary
                    self.currentNameKEY = nextDic["key"] as! String
                    break
                }
            }
        }
        self.reloadNameViewInfo()
        self.reloadDescriptionInfo()
    }
    
    @objc func themeChange() {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.updateViewColor()
        }
    }
}