//
//  KMNewUserGuideWindowController.swift
//  PDF Reader Pro
//
//  Created by User-Tangchao on 2024/12/18.
//

import Cocoa

@objc enum KMNewUserGuideType: Int {
    case none = 0
    case ai
    case note
    case editPDF
    case pageEdit
    case convert
    case ocr
    case fillForms
}

// 新手引导 Layout 模块

@objcMembers class KMNewUserGuideWindowController: KMBaseWindowController {
    @IBOutlet weak var contentBox: NSBox!
    @IBOutlet weak var backgroundIv: NSImageView!
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var scrollView: NSScrollView!
    @IBOutlet weak var tableView: NSTableView!
    @IBOutlet weak var rightBox: NSBox!
    
    static let shared = KMNewUserGuideWindowController(windowNibName: "KMNewUserGuideWindowController")
    
    private lazy var displayView_ = KMNewUserGuideDisplayView()
    
    private var datas_: [KMNewUserGuideModel] = []
    
    var showType: KMNewUserGuideType = .ai {
        didSet {
            selectType(showType)
        }
    }
    
    // 28+8
    private var defaultViewH_: CGFloat = 36
    
    private let hasShowKey_        = "newUserGuidehasShow"
    
    override func windowDidLoad() {
        super.windowDidLoad()
        
        window?.title = ""
        window?.standardWindowButton(.zoomButton)?.isHidden = true
        window?.standardWindowButton(.miniaturizeButton)?.isHidden = true
        let closeButton = window?.standardWindowButton(.closeButton)
        closeButton?.target = self
        closeButton?.action = #selector(closeAction)

        backgroundIv.image = NSImage(named: "KMImageNameNewUserGuideBg")
        backgroundIv.image?.size = window?.frame.size ?? .zero
        titleLabel.font = .SFProTextSemiboldFont(20)
        titleLabel.stringValue = NSLocalizedString("The Beginner's Guide", comment: "")
        
        tableView.delegate = self
        tableView.dataSource = self
        tableView.enclosingScrollView?.borderType = .noBorder
        tableView.backgroundColor = .clear
        tableView.enclosingScrollView?.drawsBackground = false
        
        rightBox.borderWidth = 0
        rightBox.contentView = displayView_
        displayView_.contentInset = .init(top: 0, left: 10, bottom: 34, right: 18)
        
        interfaceThemeDidChanged(self.window?.appearance?.name ?? .vibrantLight)
        
        _initData()
        tableView.reloadData()
    }
    
    // MARK: - Private Methods
    
    private func _initData() {
        datas_.removeAll()
        let types: [KMNewUserGuideType] = [.ai, .editPDF, .note, .pageEdit, .convert, .ocr, .fillForms]
        for type in types {
            datas_.append(_initModel(type: type))
        }
    }
    
    private func _initModel(type: KMNewUserGuideType) -> KMNewUserGuideModel {
        let model = KMNewUserGuideModel()
        model.type = type
        let maxWidth: CGFloat = 224
        var listDespColor = NSColor(hex: "#42464D")
        if KMAppearance.isDarkMode() {
            listDespColor = .white
        }
        
        if type == .ai {
#if VERSION_FREE
            model.name = NSLocalizedString("AI Credits Giveaway", comment: "")
            let attri = NSAttributedString(string: NSLocalizedString("Free 40 AI Credits for 7-day VIP Free Trial Users", comment: ""), attributes: [
                .font : NSFont.SFProTextRegularFont(11),
                .foregroundColor : listDespColor
            ])
#else
            model.name = NSLocalizedString("Edit with AI Robot", comment: "")
            let attri = NSAttributedString(string: NSLocalizedString("AI Translate, Summarize, Proofread, Rewrite", comment: ""), attributes: [
                .font : NSFont.SFProTextRegularFont(11),
                .foregroundColor : listDespColor
            ])
#endif
            model.imageName = "newUserGuideAITools"
            model.despAttri = attri
            model.viewH = _calculateViewHeight(model: model, maxWidth: maxWidth)
        } else if type == .note {
            model.name = NSLocalizedString("Annotate PDF", comment: "")
            model.imageName = "newUserGuideAnnotation"
            let attri = NSAttributedString(string: NSLocalizedString("Add Annotations, Images, and Stamps to PDFs", comment: ""), attributes: [
                .font : NSFont.SFProTextRegularFont(11),
                .foregroundColor : listDespColor
            ])
            model.despAttri = attri
            model.viewH = _calculateViewHeight(model: model, maxWidth: maxWidth)
        } else if type == .editPDF {
            model.name = NSLocalizedString("Edit PDF", comment: "")
            model.imageName = "newUserGuideEdit"
            let attri = NSAttributedString(string: NSLocalizedString("Edit PDF Text, Images, and Watermarks", comment: ""), attributes: [
                .font : NSFont.SFProTextRegularFont(11),
                .foregroundColor : listDespColor
            ])
            model.despAttri = attri
            model.viewH = _calculateViewHeight(model: model, maxWidth: maxWidth)
        } else if type == .pageEdit {
            model.name = NSLocalizedString("Page Edit", comment: "")
            model.imageName = "KMImageNameNewUserGuidePageEdit"
            let attri = NSAttributedString(string: NSLocalizedString("Insert, Delete, Rotate, and Extract the Pages in PDFs", comment: ""), attributes: [
                .font : NSFont.SFProTextRegularFont(11),
                .foregroundColor : listDespColor
            ])
            model.despAttri = attri
            model.viewH = _calculateViewHeight(model: model, maxWidth: maxWidth)
        } else if type == .convert {
            model.name = NSLocalizedString("PDF Converter", comment: "")
            model.imageName = "KMImageNameNewUserGuideConvert"
            let attri = NSAttributedString(string: NSLocalizedString("Convert to/from MS Office, Images, and More", comment: ""), attributes: [
                .font : NSFont.SFProTextRegularFont(11),
                .foregroundColor : listDespColor
            ])
            model.despAttri = attri
            model.viewH = _calculateViewHeight(model: model, maxWidth: maxWidth)
        } else if type == .ocr {
            model.name = NSLocalizedString("OCR", comment: "")
            model.imageName = "KMImageNameNewUserGuideOCR"
            let attri = NSAttributedString(string: NSLocalizedString("Scanned PDFs to Editable & Searchable PDFs in 90+ Languages", comment: ""), attributes: [
                .font : NSFont.SFProTextRegularFont(11),
                .foregroundColor : listDespColor
            ])
            model.despAttri = attri
            model.viewH = _calculateViewHeight(model: model, maxWidth: maxWidth)
        } else if type == .fillForms {
            model.name = NSLocalizedString("Create & Fill Forms", comment: "")
            model.imageName = "KMImageNameNewUserGuideFillForms"
            let attri = NSAttributedString(string: NSLocalizedString("Support to Create & Fill Interactive PDF Forms", comment: ""), attributes: [
                .font : NSFont.SFProTextRegularFont(11),
                .foregroundColor : listDespColor
            ])
            model.despAttri = attri
            model.viewH = _calculateViewHeight(model: model, maxWidth: maxWidth)
        }
        return model
    }
    
    private func _calculateViewHeight(model: KMNewUserGuideModel, maxWidth: CGFloat) -> CGFloat {
        guard let attri = model.despAttri else {
            return defaultViewH_
        }
        let size = attri.boundingRect(with: .init(width: maxWidth, height: CGFLOAT_MAX), options: .usesLineFragmentOrigin).size
        return (4+20+8+size.height+4)+4+4
    }
    
    private func _trackEvent(type: KMNewUserGuideType) {
        if type == .ai {
            trackEvent(eventName: "PUW", params: ["PUW_Btn" : "FunctionIntro_AI"], platform: .AppCenter)
        } else if type == .note {
            trackEvent(eventName: "PUW", params: ["PUW_Btn" : "FunctionIntro_AnnotatePDF"], platform: .AppCenter)
        } else if type == .editPDF {
            trackEvent(eventName: "PUW", params: ["PUW_Btn" : "FunctionIntro_EditPDF"], platform: .AppCenter)
        } else if type == .pageEdit {
            trackEvent(eventName: "PUW", params: ["PUW_Btn" : "FunctionIntro_PageEditor"], platform: .AppCenter)
        } else if type == .convert {
            trackEvent(eventName: "PUW", params: ["PUW_Btn" : "FunctionIntro_Convert"], platform: .AppCenter)
        } else if type == .ocr {
            trackEvent(eventName: "PUW", params: ["PUW_Btn" : "FunctionIntro_OCR"], platform: .AppCenter)
        } else if type == .fillForms {
            trackEvent(eventName: "PUW", params: ["PUW_Btn" : "FunctionIntro_Form"], platform: .AppCenter)
        }
    }
    
    private func _fetchBrowserWindowC() -> KMBrowserWindowController? {
        if let win = NSApp.mainWindow as? CTBrowserWindow {
            return win.windowController as? KMBrowserWindowController
        }
        if let win = NSApp.keyWindow as? CTBrowserWindow {
            return win.windowController as? KMBrowserWindowController
        }
        
        for win in NSApp.windows {
            if win.isVisible == false {
                continue
            }
            guard let winC = win.windowController as? KMBrowserWindowController else {
                continue
            }
            if winC.browser == nil {
                continue
            }
            return winC
        }
        return nil
    }
    
    private func _showPopGuide() {
        if KMMemberInfo.shared.isLogin == false { // 未登陆
            return
        }
        if KMMemberInfo.shared.isMemberAllFunction { // 有权益
            return
        }
        guard let winC = _fetchBrowserWindowC() else { // 没找到有效的窗口
            return
        }
        guard let itemV = winC.rightMessageVC?.discountItemView, itemV.isHidden == false else {
            return
        }
        guard let doc = winC.browser.activeTabContents() as? KMMainDocument else {
            return
        }
        if doc.isHome || doc.isNewTab {
            doc.homeViewController?.loadOpenFileFunctionGuide(.messageDiscount)
            return
        }
        doc.mainViewController?.loadOpenFileFunctionGuide(.messageDiscount)
    }
    
    override func interfaceThemeDidChanged(_ appearance: NSAppearance.Name) {
        super.interfaceThemeDidChanged(appearance)
        
        KMMainThreadExecute {
            var listDespColor = NSColor(hex: "#42464D")
            if KMAppearance.isDarkMode() {
                self.titleLabel.textColor = .white
                listDespColor = .white
            } else {
                self.titleLabel.textColor = NSColor(hex: "#002143")
            }
            
            let maxWidth: CGFloat = 224
            for model in self.datas_ {
                if let data = model.despAttri?.string {
                    let attri = NSAttributedString(string: data, attributes: [
                        .font : NSFont.SFProTextRegularFont(11),
                        .foregroundColor : listDespColor
                    ])
                    model.despAttri = attri
                    model.viewH = self._calculateViewHeight(model: model, maxWidth: maxWidth)
                }
            }
            
            self.tableView.reloadData()
        }
    }
    
    // MARK: - Actions
    
    @objc func closeAction() {
        _showPopGuide()
        
        closeWindow()
    }
    
    // MARK: - public Methods
    
    public func openWindow() {
        self.showWindow(nil)
        
        self._showCenter(animate: true)
        
        self.window?.makeKeyAndOrderFront(nil)
        
        selectType(showType)
        saveShowRecord()
        
        trackEvent(eventName: "PUW", params: ["PUW_Exposure" : "PUW_FunctionIntro"], platform: .AppCenter)
    }
    
    public func selectType(_ type: KMNewUserGuideType) {
        var selectedModel: KMNewUserGuideModel?
        for model in datas_ {
            model.isSelected = (model.type == type)
            if model.isSelected {
                selectedModel = model
            }
        }
        
        KMMainThreadExecute {
//            self.tableView.reloadData()
            self.tableView.animator().reloadData()
            
            if let data = selectedModel?.imageName {
                self.displayView_.imageView.image = NSImage(named: data)
                self.displayView_.imageView.image?.size = NSMakeSize(480, 320)
            }
        }
    }
    
    public func closeWindow() {
        window?.close()
    }
    
    public func saveShowRecord() {
        KMDataManager.ud_set(true, forKey: hasShowKey_)
    }
    
    public func needShow() -> Bool {
        // 已经显示
        if KMDataManager.ud_bool(forKey: hasShowKey_) {
            return false
        }
#if VERSION_FREE
        if KMMemberInfo.shared.isMemberAllFunction { // 有权益（本地 或 账号）
            return false
        }
#endif
        // 不是新用户
        if KMMemberInfo.shared.isFreeAccount == false {
            return false
        }
        // 新用户首次显示
        return true
    }
    
    private func _showCenter(animate: Bool){
        guard let screenFrame = NSScreen.main?.frame else {
            return
        }
        
        var frame: CGRect = self.window!.frame
        frame.origin.y = (screenFrame.size.height-frame.size.height)*0.5
        frame.origin.x = (screenFrame.size.width-frame.size.width)*0.5
        self.window?.setFrame(frame, display: true, animate: animate)
    }
}

// MARK: - NSTableViewDelegate, NSTableViewDataSource

extension KMNewUserGuideWindowController: NSTableViewDelegate, NSTableViewDataSource {
    func numberOfRows(in tableView: NSTableView) -> Int {
        return datas_.count
    }
    
    func tableView(_ tableView: NSTableView, heightOfRow row: Int) -> CGFloat {
        let model = datas_.safe_element(for: row) as? KMNewUserGuideModel
        let isSelected = model?.isSelected ?? false
        if isSelected == false {
            return defaultViewH_
        }
        return model?.viewH ?? defaultViewH_
    }
    
    func tableView(_ tableView: NSTableView, rowViewForRow row: Int) -> NSTableRowView? {
        let rowView = KMTableRowView()
        rowView.selectionBackgroundColorBlock = {
            return .clear
        }
        return rowView
    }
    
    func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
        var cell = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "CellId"), owner: self) as? KMNewUserGuideCellView
        if cell == nil {
            cell = KMNewUserGuideCellView()
        }
        
        cell?.contentInset = .init(top: 4, left: 0, bottom: 4, right: 0)
        
        guard let model = datas_.safe_element(for: row) as? KMNewUserGuideModel else {
            return cell
        }
        
        cell?.titleLabel.font = .SFProTextBoldFont(14)
        
        cell?.titleLabel.stringValue = model.name
        if let data = model.despAttri {
            cell?.subTitleLabel.attributedStringValue = data
        }
        
        let isSelected = model.isSelected
        cell?.subTitleLabel.isHidden = !isSelected
        cell?.leftLine.isHidden = !isSelected
        cell?.backgroundView.layer?.cornerRadius = 4
        if KMAppearance.isDarkMode() {
            cell?.titleLabel.textColor = .white
            cell?.leftLine.layer?.backgroundColor = NSColor(hex: "#227AFF").cgColor
            
            if isSelected {
                cell?.backgroundView.layer?.backgroundColor = NSColor(hex: "#869297").withAlphaComponent(0.4).cgColor
            } else {
                cell?.backgroundView.layer?.backgroundColor = NSColor.black.withAlphaComponent(0.8).cgColor
            }
        } else {
            cell?.titleLabel.textColor = NSColor(hex: "#42464D")
            cell?.leftLine.layer?.backgroundColor = NSColor(hex: "#4982E6").cgColor
            
            if isSelected {
                cell?.backgroundView.layer?.backgroundColor = NSColor(hex: "#DCF4FF").withAlphaComponent(0.4).cgColor
            } else {
                cell?.backgroundView.layer?.backgroundColor = .white
            }
        }
        
        return cell
    }
    
    func tableViewSelectionDidChange(_ notification: Notification) {
        if tableView.isEqual(to: notification.object) {
            let row = tableView.selectedRow
            guard let model = datas_.safe_element(for: row) as? KMNewUserGuideModel else {
                return
            }
            
            selectType(model.type)
            _trackEvent(type: model.type)
        }
    }
}