//
//  KMBrowserWindowController.swift
//  PDF Reader Pro
//
//  Created by wanjun on 2022/12/9.
//

import Cocoa

@objcMembers class KMBrowserWindowController: CTBrowserWindowController {
    var rightSegmentControl: KMSegmentedBox?
    var filterType: Int = 0
    var mainViewController: NSViewController?
    var isShowingTokenTimeOutAlert: Bool = false
    var currentTimer: Timer?
    private(set) var isMultiTabMode: Bool = false
    
    var rightMessageVC: KMVerificationMessageViewController!
    var rightToolbarItemView: NSView!
    
    private var homeVC: KMNHomeViewController?
    
    var savedNormalSetup: NSMutableDictionary = NSMutableDictionary()
    
    // 记录当前显示模式
//    var _mwcFlags: MwcFlags = MwcFlags()
    
    deinit {
        KMPrint("KMBrowserWindowController deinit...")
        
        DistributedNotificationCenter.default().removeObserver(self)
        NotificationCenter.default.removeObserver(self)
    }
    
    override func loadWindow() {
        super.loadWindow()
         
    }

    override func windowDidLoad() {
        super.windowDidLoad()
        
        NSImage.makeTextAlignImages()
        NSImage.makeAdornImages()
        window?.backgroundColor = NSColor.km_init(hex: "#DFE1E5")
        self.window?.appearance = NSApp.appearance
        self.window?.titlebarAppearsTransparent = true
        self.window?.delegate = self
         
        rightTabStripView_.delete = self
        homeRightTabStripView_.delete = self
        rightTabStripView_.updateView()
        fileUploadPanel.delete = self
        homeRightTabStripView_.homeRightSearchField.delegate = self
        
        isMultiTabMode = true
  
        NotificationCenter.default.addObserver(self, selector: #selector(closeAllTabs(_:)), name: NSNotification.Name.init(rawValue: "KMTabControllerCloseAllTabs"), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(openNewWindow(_:)), name: NSNotification.Name.init(rawValue: "KMTabControllerOpenNewWindow"), object: nil)
        DistributedNotificationCenter.default().addObserver(self, selector: #selector(_themeChanged), name: NSApplication.interfaceThemeChangedNotification, object: nil)
         
        updateViewColor()
        
        var tabbingMode = NSWindow.TabbingMode.automatic
        let openDocumentType = KMPreference.shared.openDocumentType
        if openDocumentType == .inSameWindow {
            tabbingMode = .preferred
        } else if openDocumentType == .newWindow {
            tabbingMode = .disallowed
        }
#if VERSION_FREE
        if IAPProductsManager.default().isAvailableAllFunction() == false {
            tabbingMode = .disallowed
        }
#endif
        
        let windowSizeOption = KMPreferenceManager.shared.openFileType
 
        if (windowSizeOption == .maxim) {
            Task {
                self.window?.setFrame(NSScreen.main?.visibleFrame ?? (self.window?.frame ?? .zero), display: false)
            }
        }
        if windowSizeOption == .fit {

        }
    }
    
    @objc func closeAction() {
        self.window?.performClose(nil)
    }
    
    override func windowShouldClose(_ sender: NSWindow) -> Bool {
 
        if let cnt = self.browser?.tabStripModel?.count(), cnt > 1 {
            if self.browser?.window != nil {
                self.browser?.windowDidBeginToClose()
            }
            return false
        }
        return true
    }
    
    override func windowWillClose(_ notification: Notification) {

    }
    
    override func windowDidResize(_ notification: Notification) {
       
        let model = self.browser?.tabStripModel
        if let cnt = model?.count(), cnt <= 0 {
            return
        }
        
        let document: KMMainDocument = model?.activeTabContents() as! KMMainDocument
        document.homeViewController?.rightInfoView.windowFrameUpdated()

    }
    
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
    }
    
    @objc private func _themeChanged(_ sender: Notification) {
        
        let isDarkModel = KMAdvertisementConfig.isDarkModel()
        if isDarkModel {
            self.window?.appearance = .init(named: .darkAqua)
        } else {
            self.window?.appearance = .init(named: .aqua)
        }
        self.window?.contentView?.appearance = self.window?.appearance ?? .init(named: .aqua)
        
        self.interfaceThemeDidChanged(self.window?.appearance?.name ?? .aqua)
    }
    
    override func updateViewColor() {
        super.updateViewColor()
        
        window?.backgroundColor = KMTabAppearance.tabsViewBackgroundColor()
    }
    
     
    override var hasToolbar: Bool {
        get {
            return false
        }
    }
    
    func showSnapshots(setups: NSArray?) {
        let doc = self.document as? KMMainDocument
        doc?.mainViewController?.showSnapshots(setups: setups)

    }
    
    var km_browser: KMBrowser? {
        get {
            return self.browser as? KMBrowser
        }
    }
    
    // MARK: Private Methods
    
    func openDocumentWindow() -> Void {
        // MARK TODO: + 号开启
//        self.browser.addHomeTabContents()
        self.tabStripView?.addTabButton?.layer?.backgroundColor = .clear
        self.km_browser?.addNewTabContents()
    }
     
    func selectTabContents(path filePath: String) -> KMMainDocument? {
        let document = NSDocumentController.shared.document(for: URL(fileURLWithPath: filePath))
        var selectDocument: KMMainDocument?
        if document != nil {
            if document!.isKind(of: KMMainDocument.self) {
                selectDocument = document as! KMMainDocument
            }
        }
        return selectDocument
    }
    
    
    // MARK: Getter
    
    override var rightStripView: NSView! {
        get {
            if self.rightToolbarItemView == nil {
                self.rightToolbarItemView = NSView.init(frame: NSMakeRect(0, 10, 184, 40))
                self.rightToolbarItemView.wantsLayer = true
                
                if self.rightMessageVC == nil {
                    self.rightMessageVC = KMVerificationMessageViewController.init()
                }
                self.rightMessageVC.frameUpdateHandle = { [weak self] rect in
                    guard let rsView = self?.rightToolbarItemView else {
                        return
                    }
                    var superRect = rsView.frame
                    if (superRect.size.width < self!.rightMessageVC.view.frame.size.width + 8) {
                        superRect.size.width = self!.rightMessageVC.view.frame.size.width + 8
                    }
                    
                    if let supView = rsView.superview {
                        let viewRect = supView.frame
                        if (superRect.origin.x) + (superRect.size.width) > (viewRect.origin.x) + (viewRect.size.width) {
                            let offsetValue = ((superRect.origin.x) + (superRect.size.width) - (viewRect.origin.x) - (viewRect.size.width))
                            superRect.origin.x -= offsetValue
                        }
                    }
                    
                    self?.rightToolbarItemView.frame = superRect
                }
                var rect = self.rightMessageVC.view.frame;
                rect.origin.x = NSWidth(self.rightToolbarItemView.frame) - rect.size.width - 8
                rect.origin.y = (NSHeight(self.rightToolbarItemView.frame) - rect.size.height)/2
                self.rightMessageVC.view.frame = rect
                self.rightMessageVC.view.autoresizingMask = [ .maxXMargin]
                self.rightToolbarItemView.addSubview(self.rightMessageVC.view)
        
            }
            return self.rightToolbarItemView
        }
    }
    
    override var homeRightStripView: NSView! {
        get {
            return homeRightTabStripView_
        }
    }
    
    // MARK: Button Action
    
    func commandDispatch(_ sender: Any) -> Void {
        var needShowChooseWindow = false
//#if VERSION_FREE
//#if VERSION_DMG
        if (!IAPProductsManager.default().isAvailableAllFunction()) {
            needShowChooseWindow = true
        }
//#endif

        if needShowChooseWindow {
            let preferenceNoteShow = UserDefaults.standard.bool(forKey: KMTabbingHintShowFlag)
            if preferenceNoteShow {

            } else {
                if !KMDataManager.default.isTabbingWin{
                    KMDataManager.default.isTabbingWin = true
                    let tabbingWin: KMTabbingHintWindowController = KMTabbingHintWindowController()
                    tabbingWin.selectCallBack = {[weak self] continueOrNot in
                        KMDataManager.default.isTabbingWin = false
                        let winC = self?.kmCurrentWindowC as? KMTabbingHintWindowController
                        let newTab = winC?.newTabInWindowButton.state == .on
                        if continueOrNot {
                            if IAPProductsManager.default().isAvailableAllFunction() && newTab {
                                self?.openDocumentWindow()
                            } else {
                                self?.reopenDocument(forPaths: nil)
                            }
                        } else {
                            
                        }
                    }
                    self.km_beginSheet(windowC: tabbingWin)
                }
            }
        } else {
            openDocumentWindow()
        }
    }
    
    func reopenDocument(forPaths path: String?) -> Void {
        if path == nil {
            let browser = KMBrowser.init() as KMBrowser
            browser.windowController = KMBrowserWindowController.init(browser: browser)
            browser.addHomeTabContents()
            browser.windowController.showWindow(self)
        }else {
            NSDocumentController.shared.km_safe_openDocument(withContentsOf: URL(fileURLWithPath: path!), display: true) { doc, open, err in
                
            }
        }
    }

    func closeAllTabs(_ sender: Any) -> Void {
        if let noti = sender as? NSNotification, noti.object is CTTabController {
            if let window_ = (noti.object as! CTTabController).view.window, window_.isEqual(to: self.window) == false {
                return
            }
        }
        if self.browser != nil {
            self.browser.closeAllTabs()
        }
    }
    
    func openNewWindow(_ sender: Any) -> Void {
        if let noti = sender as? NSNotification, noti.object is CTTabController {
            if let window_ = (noti.object as! CTTabController).view.window, window_.isEqual(to: self.window) == false {
                return
            }
        }
        
        // 分离 Tab
        let windowC = self.detachTab(toNewWindow: self.activeTabView() as? CTTabView)
        // 新增 home Tab
        (windowC as? CTBrowserWindowController)?.browser?.addHomeTabContentsWithDrag()
        windowC?.showWindow(nil)
//        if self.browser != nil {
//            let activeInt = self.browser.activeTabIndex()
//            let activeTab = self.browser.activeTabContents()
//
//            self.browser.closeTab(at: activeInt, makeHistory: false)
//
//            let browser: KMBrowser = KMBrowser.init()
//            browser.windowController = KMBrowserWindowController.init(browser: browser)
//            browser.addHomeTabContents()
//            browser.windowController.showWindow(self)
//
////            browser.add(activeTab, inForeground: false)
////            browser.selectTab(at: 1)
//            if activeTab?.fileURL == nil {
//                return
//            }
//            let pdfDoc = CPDFDocument.init(url: (activeTab?.fileURL)!)
//            let document = NSDocumentController.shared.document(for: (activeTab?.fileURL)!)
//            KMMainDocument().tryToUnlockDocument(pdfDoc!)
//
//            if ((pdfDoc?.isLocked)! == true) {
//                KMPasswordInputWindow.openWindow(window: self.window!, url: (activeTab?.fileURL)!) { result, password in
//                    if result == .cancel { /// 关闭
//                        return
//                    }
//                    /// 解密成功
//                    var selectDocument: KMMainDocument? = nil
//                    if ((document?.isKind(of: KMMainDocument.self)) != nil) {
//                        selectDocument = (document as! KMMainDocument)
//                    }
//                    if selectDocument != nil {
//                        let currentIndex = selectDocument?.browser.tabStripModel.index(of: selectDocument)
//                        selectDocument?.browser.tabStripModel.selectTabContents(at: Int32(currentIndex!), userGesture: true)
//                        if (selectDocument?.browser.window.isVisible)! as Bool {
//                            selectDocument?.browser.window.orderFront(nil)
//                        } else if (selectDocument?.browser.window.isMiniaturized)! as Bool {
//                            selectDocument?.browser.window.orderFront(nil)
//                        }
//                    } else {
//                        NSDocumentController.shared.km_safe_openDocument(withContentsOf: (activeTab?.fileURL)!, display: true) { document, _, error in
//                            if (error == nil) {
//                                (document as! KMMainDocument).mainViewController?.model.password = password
//                            }
//                        }
//                    }
//                }
//            } else {
//                var selectDocument: KMMainDocument? = nil
//                if ((document?.isKind(of: KMMainDocument.self)) != nil) {
//                    selectDocument = (document as! KMMainDocument)
//                }
//                if selectDocument != nil {
//                    let currentIndex = selectDocument?.browser.tabStripModel.index(of: selectDocument)
//                    selectDocument?.browser.tabStripModel.selectTabContents(at: Int32(currentIndex!), userGesture: true)
//                    if (selectDocument?.browser.window.isVisible)! as Bool {
//                        selectDocument?.browser.window.orderFront(nil)
//                    } else if (selectDocument?.browser.window.isMiniaturized)! as Bool {
//                        selectDocument?.browser.window.orderFront(nil)
//                    }
//                } else {
//                    NSDocumentController.shared.km_safe_openDocument(withContentsOf: (activeTab?.fileURL)!, display: true) { _, _, _ in
//
//                    }
//                }
//            }
//        }
    }
    
    func canMergeAllWindow() -> Bool {
        return self.fetchBrowserWindowControllers().count > 0
    }
    
    fileprivate func fetchBrowserWindowControllers() -> [KMBrowserWindowController] {
        var windowArray: [KMBrowserWindowController] = []
        for window in NSApp.windows {
            guard let windowController = window.windowController, windowController is KMBrowserWindowController else {
                continue
            }
            if let _tabScripC = (windowController as? KMBrowserWindowController)?.tabStripController, _tabScripC.viewsCount() <= 1 {
                continue
            }
            if (window.isVisible && (windowController.isEqual(to: self) == false)) {
                windowArray.append(windowController as! KMBrowserWindowController)
            }
        }
        return windowArray
    }
    
    func mergeAllWindow(_ sender: Any) {
        let windowArray = self.fetchBrowserWindowControllers()
        if (windowArray.count <= 0) {
            return
        }

        for windowC in windowArray {
            // 拼接窗口 [拼接窗口里的标签，除了home标签]
            self.append(windowC, toTabView: NSView())
            if let browser = windowC.browser {
                if (browser.tabCount() <= 1 && browser.activeTabContents().isHome) {
                    windowC.close()
                }
            }
        }
    }
    
    override func tabDidSelect(_ notification: Notification!) {
        super.tabDidSelect(notification)
        
        if let _userInfo = notification.userInfo, let _newContents = _userInfo[CTTabNewContentsUserInfoKey] as? KMMainDocument {
            _newContents.addWindowController(self)
            _newContents.mainViewController?.showMeasureFloatingWindowsIfNeed()

        }
        if let _userInfo = notification.userInfo, let _oldContents = _userInfo[CTTabContentsUserInfoKey] as? KMMainDocument {
            _oldContents.mainViewController?.hideMeasureFloatingWindows()

        }
    }
    
    override func layoutTabContentArea(_ frame: NSRect) {
        super.layoutTabContentArea(frame)
        
        self.rightStripView.autoresizingMask = [.minXMargin, .minYMargin]
    }
    
    override func openDocument(_ sender: Any!) {
        guard let _window = self.window else {
            KMPrint("openDocument error: window is nil.", beep: true)
            return
        }
        if let cnt = self.browser?.tabCount(), cnt > 1{
            if !IAPProductsManager.default().isAvailableAllFunction() {
                if !KMDataManager.default.isTabbingWin{
                    KMDataManager.default.isTabbingWin = true
                    let tabbingWin: KMTabbingHintWindowController = KMTabbingHintWindowController()
                    tabbingWin.selectCallBack = { [weak self] continueOrNot in
                        KMDataManager.default.isTabbingWin = false
                        if continueOrNot {
                            self?.reopenDocument(forPaths: nil)
                        } else {
                            
                        }
                    }
                    self.km_beginSheet(windowC: tabbingWin)
                }
                return
            }
            if KMPreference.shared.openDocumentType == .newWindow {
                self.reopenDocument(forPaths: nil)
                return
            }
        }

        NSOpenPanel.km_open_multi_success(_window) { panel in
            panel.allowedFileTypes = KMTools.imageExtensions + KMTools.pdfExtensions
        } completion: { urls in
            var imageUrls: [URL] = []
            for url in urls {
                if KMTools.isPDFType(url.pathExtension.lowercased()) {
                    NSDocumentController.shared.km_safe_openDocument(withContentsOf: url, display: true) { _, _, _ in
                        
                    }
                } else {
                    imageUrls.append(url)
                }
            }
            if imageUrls.isEmpty == false {
                NSApplication.ShowImageToPDFWindow(urls: imageUrls)
            }
        }
    }
}

// MARK: - KMInterfaceThemeChangedProtocol

extension KMBrowserWindowController: KMInterfaceThemeChangedProtocol {
    func interfaceThemeDidChanged(_ appearance: NSAppearance.Name) {
        Task { @MainActor in
            self.updateViewColor()
            
            let selector = #selector(interfaceThemeDidChanged)
            let mainWindow = self.window
            var responder = mainWindow?.firstResponder

            while (responder != nil) {
//                KMPrint("res: \(responder)")
//
                if self.isEqual(to: responder) {
                    responder = responder?.nextResponder
                    continue
                }
                if let res = responder?.responds(to: selector), res {
                    responder?.perform(selector, with: appearance)
                }

                responder = responder!.nextResponder
            }
            
            let childWins = self.window?.childWindows ?? []
            for childWin in childWins {
                if let winC = childWin.windowController {
                    if winC.responds(to: selector) {
                        winC.perform(selector, with: appearance)
                    }
                } else {
                    if childWin.responds(to: selector) {
                        childWin.perform(selector, with: appearance)
                    }
                }
            }
        }
    }
}

// MARK: - KMToolbarRightViewDelegate

extension KMBrowserWindowController: KMToolbarRightViewDelegate {
    func pdfRightSegmentedControlAction(_ sender: KMSegmentedBox?) {
        DispatchQueue.main.async {
            KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
        }
    }
    
    func userInfoButtonAction(_ sender: NSButton) {
         
    }
    
    func homeRefreshButtonAction(_ sender: NSButton?) {
        self.layoutSubviews()
    }
    
    func homeUploadButtonAction(_ sender: NSButton) {
        
    }
    
    func homeMenuSortAction(_ sender: NSPopUpButton) {
        
    }
    
    func homeMenuFilterAction(_ sender: NSPopUpButton) {
        
    }
}

// MARK: - KMUploadFileDelegate

extension KMBrowserWindowController: KMUploadFileDelegate {
//    override func cancelOperation(_ sender: Any?) {
//        
//    }
}

// MARK: - NSSearchFieldDelegate

extension KMBrowserWindowController: NSSearchFieldDelegate {
    func controlTextDidChange(_ obj: Notification) {
        
    }
    
    func controlTextDidEndEditing(_ obj: Notification) {
        
    }
    
    func control(_ control: NSControl, textView: NSTextView, doCommandBy commandSelector: Selector) -> Bool {
        var result = false
        return result
    }
}

// MARK: -
// MARK: Menu Actions

extension KMBrowserWindowController {
    func canResponseDocumentAction() -> Bool {
        if (self.browser == nil) {
            return false
        }
        guard let _ = self.browser.activeTabContents() as? KMMainDocument else {
            return false
        }
        return true
    }
}

// MARK: -
// MARK: File Menu