//
//  KMWelcomeWindowController.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/10/10.
//

import Cocoa
 
private let kKMWelcomeHasShowKey = "WelcomeHasShowKey"
private let kKMWelcomeRemindMeLaterKey = "WelcomeRemindMeLaterKey"

typealias KMWelcomeWindowC = KMWelcomeWindowController

extension KMWelcomeWindowController.Key {
    public static let hasShow = kKMWelcomeHasShowKey
    public static let remindMeLater = kKMWelcomeRemindMeLaterKey
}

class KMWelcomeWindowController: NSWindowController {
    @IBOutlet weak var scrollView: NSScrollView!
    
    @IBOutlet weak var content1View: NSView!
    @IBOutlet weak var content2View: NSView!
    @IBOutlet weak var content3View: NSView!
    @IBOutlet weak var content4View: NSView!
    
    @IBOutlet weak var content5View: NSView!
    @IBOutlet weak var content6View: NSView!
    
    @IBOutlet weak var imageView1: NSImageView!
    @IBOutlet weak var imageView2: NSImageView!
    @IBOutlet weak var imageView3: NSImageView!
    @IBOutlet weak var imageView4: NSImageView!
    @IBOutlet weak var imageView6: NSImageView!
    @IBOutlet weak var imageView5: NSImageView!
    
    @IBOutlet weak var title1Label: NSTextField!
    @IBOutlet weak var subtitle1Label: NSTextField!
    @IBOutlet weak var title2Label: NSTextField!
    @IBOutlet weak var subtitle2Label: NSTextField!
    @IBOutlet weak var title3Label: NSTextField!
    @IBOutlet weak var subtitle3Label: NSTextField!
    @IBOutlet weak var title4Label: NSTextField!
    @IBOutlet weak var subtitle4Label: NSTextField!
    
    @IBOutlet weak var title5Label: NSTextField!
    @IBOutlet weak var subtitle5Label: NSTextField!
    @IBOutlet weak var title6Label: NSTextField!
    @IBOutlet weak var subtitle6Label: NSTextField!
    
    @IBOutlet weak var preBox: NSBox!
    @IBOutlet weak var nextBox: NSBox!
    
    private var _preButtonVC: KMDesignButton?
    var preButtonVC: KMDesignButton? {
        get {
            return self._preButtonVC
        }
    }
    private var _nextButtonVC: KMDesignButton?
    var nextButtonVC: KMDesignButton? {
        get {
            return self._nextButtonVC
        }
    }

    @IBOutlet weak var next1Box: NSBox!
    @IBOutlet weak var remindMeLaterBox: NSBox!
    @IBOutlet weak var next2Box: NSBox!
    @IBOutlet weak var next3Box: NSBox!
    @IBOutlet weak var next4Box: NSBox!
    @IBOutlet weak var next5Box: NSBox!
    
    @IBOutlet weak var signUpBox: NSBox!
    
    private var _next1ButtonVC: KMDesignButton?
    private var _remindMeLaterButtonVC: KMDesignButton?
    private var _next2ButtonVC: KMDesignButton?
    private var _next3ButtonVC: KMDesignButton?
    private var _next4ButtonVC: KMDesignButton?
    
    private var _signUpButtonVC: KMDesignButton?
    
    @IBOutlet weak var pageIndicator1: KMPageIndicator!
    @IBOutlet weak var pageIndicator2: KMPageIndicator!
    @IBOutlet weak var pageIndicator3: KMPageIndicator!
    @IBOutlet weak var pageIndicator4: KMPageIndicator!
    @IBOutlet weak var pageIndicator5: KMPageIndicator!
    @IBOutlet weak var pageIndicator6: KMPageIndicator!
    
    @IBOutlet weak var closeButton: NSButton!
    @IBOutlet weak var closeBox: KMBox!
    
    private var _contentViews: [NSView] = []
    var contentViews: [NSView] {
        get {
            return self._contentViews
        }
    }
    private var _currentIndex: Int = 0
    
    var itemClick: KMCommonClickBlock?
    public struct Key {}
    
    deinit {
        Swift.debugPrint("WelcomeWindowController 已释放")
    }
    
    convenience init() {
        self.init(windowNibName: "WelcomeWindowController")
        
        // 处理再次提醒
        if (UserDefaults.standard.bool(forKey: KMWelcomeWindowC.Key.remindMeLater)) {
            UserDefaults.standard.set(false, forKey: KMWelcomeWindowC.Key.remindMeLater)
            UserDefaults.standard.set(false, forKey: KMWelcomeWindowC.Key.hasShow)
            UserDefaults.standard.synchronize()
        }
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        let clipView = self.scrollView.contentView
        // ,self.content4View
        self._contentViews = [self.content1View, self.content2View, self.content3View, self.content4View, self.content6View, self.content5View]
        for i in 0 ..< self.contentViews.count {
            let view = self.contentViews[i]
            view.frame = CGRectMake(i.cgFloat*clipView.bounds.size.width, 0, clipView.bounds.size.width, clipView.bounds.size.height)
            self.scrollView.documentView?.addSubview(view)
        }
        self.scrollView.documentView?.frame = CGRectMake(0, 0, clipView.bounds.size.width*self.contentViews.count.cgFloat, clipView.bounds.size.height)
    }
    
    override func windowDidLoad() {
        super.windowDidLoad()
    
        self._localizedString()
        self.initSubViews()
        self.setupUI()
        self._reloadData()

        // 设置【显示】标识
        UserDefaults.standard.set(true, forKey: KMWelcomeWindowC.Key.hasShow)
        UserDefaults.standard.synchronize()
    }
    
    func initSubViews() {
        self.preBox.borderType = .noBorder
        self._preButtonVC = KMDesignButton(withType: .Image)
        self.preBox.contentView?.addSubview(self.preButtonVC!.view)
        self.preButtonVC?.view.frame = self.preBox.contentView!.bounds
        self.preButtonVC?.view.autoresizingMask = [.width, .height]
        self.preButtonVC?.image = NSImage(named: "KMImageNamePreviousPageImage")!
        self.preButtonVC?.pagination()
        self.preButtonVC?.target = self
        self.preButtonVC?.action = #selector(_previousButtonAction)
        
        self.nextBox.borderType = .noBorder;
        self._nextButtonVC = KMDesignButton(withType: .Image)
        self.nextBox.contentView?.addSubview(self.nextButtonVC!.view)
        self.nextButtonVC?.view.frame = self.nextBox.contentView!.bounds
        self.nextButtonVC?.view.autoresizingMask = [.width, .height]
        self.nextButtonVC?.image = NSImage(named: "KMImageNameNextPageImage")!
        self.nextButtonVC?.pagination()
        self.nextButtonVC?.target = self
        self.nextButtonVC?.action = #selector(_nextButtonAction)
        
        for box in [self.next1Box, self.next2Box, self.next3Box, self.next4Box, self.next5Box] {
            box!.borderType = .noBorder
            let nextButtonVC = KMDesignButton(withType: .Text)
            box?.contentView?.addSubview(nextButtonVC.view)
            nextButtonVC.view.frame = box?.contentView?.bounds ?? NSZeroRect
            nextButtonVC.view.autoresizingMask = [.width, .height]
    //        nextButtonVC.stringValue = NSLocalizedString(@"Next", nil);
            if (KMLightMemberManager.manager.isLogin()) { // let’s start
                nextButtonVC.stringValue = KMLocalizedString("Let's Start", nil)
            } else {
                nextButtonVC.stringValue = KMLocalizedString("Sign up", nil)
            }
            nextButtonVC.target = self
    //        nextButtonVC.action = @selector(nextButtonAction:);
            nextButtonVC.action = #selector(_signUpButtonAction)
            
            nextButtonVC.button(type: .Cta, size: .l)
            
            if (box!.isEqual(to: self.next1Box)) {
                self._next1ButtonVC = nextButtonVC
            } else if (box!.isEqual(to: self.next2Box)) {
                self._next2ButtonVC = nextButtonVC
            } else if (box!.isEqual(to: self.next3Box)) {
                self._next3ButtonVC = nextButtonVC
            } else if (box!.isEqual(to: self.next4Box)) {
                self._next4ButtonVC = nextButtonVC
            } else if (box!.isEqual(to: self.next5Box)) {
    //            self.next5
            }
        }
        
        self.remindMeLaterBox.borderType = .noBorder
        self._remindMeLaterButtonVC = KMDesignButton(withType: .Text)
        self.remindMeLaterBox.contentView?.addSubview(self._remindMeLaterButtonVC!.view)
        self._remindMeLaterButtonVC?.view.frame = self.remindMeLaterBox.contentView!.bounds
        self._remindMeLaterButtonVC?.view.autoresizingMask = [.width, .height]
        self._remindMeLaterButtonVC?.stringValue = KMLocalizedString("Remind Me Later", nil)
        self._remindMeLaterButtonVC?.target = self
        self._remindMeLaterButtonVC?.action = #selector(_remindMeLaterButtonAction)
        self._remindMeLaterButtonVC?.button(type: .Text, size: .m)
        
        self.signUpBox.borderType = .noBorder
        self._signUpButtonVC = KMDesignButton(withType: .Text)
        self.signUpBox.contentView?.addSubview(self._signUpButtonVC!.view)
        self._signUpButtonVC?.view.frame = self.signUpBox.contentView!.bounds
        self._signUpButtonVC?.view.autoresizingMask = [.width, .height]
        if (KMLightMemberManager.manager.isLogin()) { // let’s start
            self._signUpButtonVC?.stringValue = KMLocalizedString("Let's Start", nil)
        } else {
            self._signUpButtonVC?.stringValue = KMLocalizedString("Sign up", nil)
        }
        
        self._signUpButtonVC?.target = self;
        self._signUpButtonVC?.action = #selector(_signUpButtonAction)
        self._signUpButtonVC?.button(type: .Cta, size: .l)
        
        // , self.pageIndicator5
        for pageindicator in [self.pageIndicator1, self.pageIndicator2, self.pageIndicator3, self.pageIndicator4, self.pageIndicator5, self.pageIndicator6] {
            pageindicator?.numberOfPages = 6
            pageindicator?.selectedColor = NSColor(red: 39.0/255.0, green: 60.0/255.0, blue: 98.0/255.0, alpha: 1)
            pageindicator?.normalColor = NSColor(red: 0, green: 0, blue: 0, alpha: 0.2)
            pageindicator?.pageIndicatorSize = NSMakeSize(6, 6)
            pageindicator?.enabled = false
            
            if (pageindicator!.isEqual(to: self.pageIndicator1)) {
                pageindicator?.currentPage = 0
            } else if (pageindicator!.isEqual(to: self.pageIndicator2)) {
                pageindicator?.currentPage = 1
            } else if (pageindicator!.isEqual(to: self.pageIndicator3)) {
                pageindicator?.currentPage = 2
            } else if (pageindicator!.isEqual(to: self.pageIndicator4)) {
                pageindicator?.currentPage = 3
            } else if (pageindicator!.isEqual(to: self.pageIndicator5)) {
                pageindicator?.currentPage = 5
            } else if (pageindicator!.isEqual(to: self.pageIndicator6)) {
                pageindicator?.currentPage = 4
            }
        }
        
        self.closeBox.moveCallback = { [unowned self] mouseEntered, mouseBox in
            if (mouseEntered) {
                self.closeButton.image = NSImage(named: "control_btn_icon_close_hov")
            } else {
                self.closeButton.image = NSImage(named: "control_btn_icon_close")
            }
        }
        
        for view in self.contentViews {
            let label = NSTextField(labelWithString: KMLocalizedString("Sign up to Unlock Premium Features", nil))
            view.addSubview(label)
            label.frame = NSMakeRect(0, 14, NSWidth(view.frame), 18)
            label.alignment = .center
            label.font = NSFont(name: "SFProText-Regular", size: 14)
            label.textColor = NSColor(red: 23.0/255.0, green: 112.0/255.0, blue: 244.0/255.0, alpha: 1)

            if (KMLightMemberManager.manager.isLogin()) {
                label.isHidden = true
            } else {
                label.isHidden = false
            }
        }
        self.remindMeLaterBox.isHidden = true
    }
    
    func setupUI() {
        for titleLabel in [self.title1Label, self.title2Label, self.title3Label,
                           self.title4Label, self.title6Label, self.title5Label] {
            titleLabel?.font = .SFProTextSemiboldFont(20)
            titleLabel?.textColor = NSColor(red: 37.0/255.0, green: 38.0/255.0, blue: 41.0/255.0, alpha:1)
        }
        
        let ps = NSMutableParagraphStyle()
        ps.lineSpacing = 6
        ps.alignment = .center
        for subtitleLabel in [self.subtitle1Label, self.subtitle2Label, self.subtitle3Label,
                              self.subtitle4Label, self.subtitle6Label, self.subtitle5Label] {
            subtitleLabel?.attributedStringValue = NSAttributedString(string: subtitleLabel!.stringValue, attributes: [.font : NSFont.SFProTextRegularFont(14),
                                                                               .foregroundColor : NSColor(red: 97.0/255.0, green: 100.0/255.0, blue: 105.0/255.0, alpha: 1),
                                                                               .paragraphStyle : ps])
        }
    }
    @IBAction func closeAction(_ sender: Any) {
        self._closeAction()
    }
    
    // MARK: - Private Methods
    
    private func _localizedString() {
        self.imageView1.image = NSImage(named: "KMImageNameWelcome1")
        self.imageView2.image = NSImage(named: "KMImageNameWelcome2")
        self.imageView3.image = NSImage(named: "KMImageNameWelcomeAnnotation")
        self.imageView4.image = NSImage(named: "KMImageNameWelcomeEdit")
        self.imageView5.image = NSImage(named: "KMImageNameWelcomePageEdit")
        self.imageView6.image = NSImage(named: "KMImageNameWelcomeConvert")
        
        
        self.title1Label.stringValue = KMLocalizedString("The Brand New PDF Reader Pro", nil)
        self.subtitle1Label.stringValue = KMLocalizedString("PDF Reader Pro Invites You to Enjoy All Advanced Features! Use the new powerful software integrated with AI technology to edit your PDFs", nil)
        
        self.title2Label.stringValue = KMLocalizedString("Process PDF Document wit AI Robot", nil)
        self.subtitle2Label.stringValue = KMLocalizedString("Smart PDF AI robot, powered by Chatgpt helps you translate, rewrite, and correct PDFs with ease, bringing you an enhanced PDF experience.", nil)
        
        self.title3Label.stringValue = KMLocalizedString("Comment PDFs with Rich Annotation Tools", nil)
        self.subtitle3Label.stringValue = KMLocalizedString("Add highlights, freehand, text, stamps, links, shapes, and notes to your documents. Easily mark up your PDFs anytime!", nil)
        
        self.title4Label.stringValue = KMLocalizedString("Edit Original Text and Images Like Word", nil)
        self.subtitle4Label.stringValue = KMLocalizedString("Fix a typo or add a new text box in a PDF effortlessly. Crop, replace, rotate, flip, and export images as desired.", nil)
        
        self.title6Label.stringValue = KMLocalizedString("Organize PDF Pages with Ease", nil)
        self.subtitle6Label.stringValue = KMLocalizedString("Drag and drop page thumbnails to rearrange pages. Or easily delete, insert, rotate, split pages.", nil)
        
        self.title5Label.stringValue = KMLocalizedString("Convert PDF to Office Fast and Easily", nil)
        self.subtitle5Label.stringValue = KMLocalizedString("Convert PDF to editable Word, Excel, PPT, Text and image with all your fonts and formatting preserved.", nil)
    }
    
    @objc private func _previousButtonAction() {
        if (self._currentIndex <= 0) {
            return
        }
        self._currentIndex -= 1
        NSAnimationContext.beginGrouping()
        let clipView = self.scrollView.contentView
        var newOrigin = clipView.bounds.origin
        newOrigin.x = clipView.bounds.size.width*self._currentIndex.cgFloat
        clipView.animator().setBoundsOrigin(newOrigin)
        NSAnimationContext.endGrouping()
        
        self._reloadData()
    }
    
    @objc private func _nextButtonAction() {
        if (self._currentIndex >= self.contentViews.count-1) {
            return
        }
        self._currentIndex += 1
        NSAnimationContext.beginGrouping()
        let clipView = self.scrollView.contentView
        var newOrigin = clipView.bounds.origin
        newOrigin.x = clipView.bounds.size.width*self._currentIndex.cgFloat
        clipView.animator().setBoundsOrigin(newOrigin)
        NSAnimationContext.endGrouping()
        
        self._reloadData()
    }
    
    @objc private func _signUpButtonAction() {
        if (KMLightMemberManager.manager.isLogin()) {
            self._closeAction()
        } else {
            if let callback = self.itemClick {
                callback(3, self)
            }
            self.close()
        }
    }
    
    private func _closeAction() {
        if let callback = self.itemClick {
            callback(1, self)
        }
        self.close()
    }
    
    @objc private func _remindMeLaterButtonAction() {
        UserDefaults.standard.set(true, forKey: KMWelcomeWindowC.Key.remindMeLater)
        UserDefaults.standard.synchronize()
        
        if let callback = self.itemClick {
            callback(2, self)
        }
        self.close()
    }
    
    private func _reloadData() {
        self.preBox.isHidden = false
        self.nextBox.isHidden = false
        
        if (self._currentIndex == 0) {
            self.preBox.isHidden = true
        } else if (self._currentIndex == 1) {
        } else if (self._currentIndex == 2) {
    //        self.nextBox.hidden = YES;
        } else if (self._currentIndex == 3) {
        } else if (self._currentIndex == 4){
            
        } else if (self._currentIndex == 5) {
            self.nextBox.isHidden = true
        }
    }
    
    class func welcomeHasShow() -> Bool {
        return UserDefaults.standard.bool(forKey: KMWelcomeWindowC.Key.hasShow)
    }
}