//
//  KMOutlineViewController.swift
//  PDF Reader Pro
//
//  Created by lxy on 2022/10/10.
//

import Cocoa
import KMComponentLibrary

extension KMNSearchKey.wholeWords {
    static let outline = "OutlineSearchWholeWordsKey"
}

extension KMNSearchKey.caseSensitive {
    static let outline = "OutlineSearchCaseSensitiveKey"
}

class KMOutlineViewController: KMNBotaBaseViewController {
    @IBOutlet var contendView: NSView!
    @IBOutlet weak var topView: NSView!
    @IBOutlet weak var titleLabel: NSTextField!
    
    @IBOutlet weak var lineView: NSView!
    
    @IBOutlet weak var addButton: NSButton!
    @IBOutlet weak var moreButton: NSButton!
    @IBOutlet var topSepline: NSView!
    
    @IBOutlet weak var emptyView: NSView!
    @IBOutlet weak var bigTipLabel: NSTextField!
    @IBOutlet weak var tipLabel: NSTextField!
    
    @IBOutlet weak var BOTAOutlineView: KMBOTAOutlineView!
    
    var dragPDFOutline : KMBOTAOutlineItem!
    private var dragPDFOutlines_: [KMBOTAOutlineItem] = []
    var renameTextField : NSTextField!
    var renamePDFOutline : KMBOTAOutlineItem!
    let moreMenu = NSMenu()
    var isLocalEvent = false
    
    var model = KMNOutlineModel()
    var handdler = KMNOutlineHanddler()
    
    private weak var popover_: NSPopover?
    
    private lazy var addButton_: ComponentButton = {
        let view = ComponentButton()
        view.properties = ComponentButtonProperty(type: .text_gray, size: .xxs, state: .normal, isDisable: false, onlyIcon: true, keepPressState: false)
        return view
    }()
    
    private lazy var moreDropdown_: ComponentButton = {
        let view = ComponentButton()
        view.properties = ComponentButtonProperty(type: .text_gray, size: .xxs, state: .normal, isDisable: false, onlyIcon: true, icon: NSImage(named: "KMImageNameOutlineMore"))
        return view
    }()
    
    private var emptyView_: ComponentEmpty = {
        let view = ComponentEmpty()
        view.properties = ComponentEmptyProperty(emptyType: .noOutline, state: .normal, image: NSImage(named: "KMImageNameOutlineEmpty"), text: KMLocalizedString("No Outline"), subText: KMLocalizedString("Here is the description."))
        return view
    }()
    
    private var groupView_: ComponentGroup?
    private var menuGroupView_: ComponentGroup?
    
    private var outlineView_: KMOutlineView? {
        get {
            return BOTAOutlineView.outlineView
        }
    }
    
    deinit {
        self.BOTAOutlineView.delegate = nil
    }
    
    override func viewWillDisappear() {
        super.viewWillDisappear()
        self.cancelSelect()
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        handdler.delegate = self
        
        titleLabel.font = ComponentLibrary.shared.getFontFromKey("mac/body-m-bold")
        self.topView.wantsLayer = true
        
        addButton.image = nil
        
        topView.addSubview(searchButton)
        searchButton.km_add_size_constraint(size: NSMakeSize(24, 24))
        searchButton.km_add_centerY_constraint(constant: 1)
        searchButton.km_add_trailing_constraint(equalTo: addButton, attribute: .leading, constant: -4)
        searchButton.setTarget(self, action: #selector(_searchAction))
        
        addButton.addSubview(addButton_)
        addButton_.km_add_size_constraint(size: NSMakeSize(24, 24))
        addButton_.km_add_centerX_constraint()
        addButton_.km_add_centerY_constraint()
        addButton_.setTarget(self, action: #selector(addNewOutline))
        
        moreButton.image = nil
        moreButton.addSubview(moreDropdown_)
        moreDropdown_.km_add_size_constraint(size: NSMakeSize(24, 24))
        moreDropdown_.km_add_centerX_constraint()
        moreDropdown_.km_add_centerY_constraint()
        moreDropdown_.setTarget(self, action: #selector(_moreAction))
        
        if let data = headerSearchView {
            topView.addSubview(data)
            headerSearchView?.frame = topView.bounds
            headerSearchView?.autoresizingMask = [.width, .height]
        }
        hideHeaderSearch()
        headerSearchView?.itemClick = { [weak self] idx, params in
            if idx == 1 { // 显示搜索限制条件
                guard let button = params.first as? ComponentButton else {
                    return
                }
                self?.showSearchGroupView(sender: button)
            } else if idx == 2 { // 关闭搜索
                self?.hideHeaderSearch()
                
                self?.reloadData()
            }
        }
        headerSearchView?.valueDidChange = { [weak self] sender, info in
            let value = info?[.newKey] as? String ?? ""
            
            self?.BOTAOutlineView.searchKey = value
            self?.reloadData()
            self?.BOTAOutlineView.outlineView.expandItem(nil, expandChildren: true)
        }
        
        emptyView.wantsLayer = true
        bigTipLabel.stringValue = ""
        tipLabel.stringValue = ""
        
        emptyView.addSubview(emptyView_)
        emptyView_.km_add_top_constraint(constant: 232)
        emptyView_.km_add_bottom_constraint()
        emptyView_.km_add_leading_constraint()
        emptyView_.km_add_trailing_constraint()
        
        self.BOTAOutlineView.delegate = self
        self.BOTAOutlineView.inputData = self.handdler.outlineRoot()
        self.BOTAOutlineView.outlineView.doubleAction = #selector(outlineViewDoubleAction)
    }
    
    // To create an outline, please right-click on the selected page and choose \"Add Outline\", or click \"Add\" in the upper right corner.
    override func updateUILanguage() {
        super.updateUILanguage()
        
        KMMainThreadExecute {
            self.titleLabel.stringValue = KMLocalizedString("Outline")
            
            self.moreButton.toolTip = KMLocalizedString("More")
            self.addButton.toolTip = KMLocalizedString("Add Outline")
        }
    }
    
    override func updateUIThemeColor() {
        super.updateUIThemeColor()
        
        KMMainThreadExecute {
            self.contendView.wantsLayer = true
            let color = KMNColorTools.colorBg_layoutMiddle()
            self.contendView.layer?.backgroundColor = color.cgColor
            self.headerSearchView?.wantsLayer = true
            self.headerSearchView?.layer?.backgroundColor = color.cgColor
            self.headerSearchView?.bottomLine.wantsLayer = true
            self.headerSearchView?.bottomLine.layer?.backgroundColor = KMNColorTools.colorPrimary_border1().cgColor
            
            self.titleLabel.textColor = KMNColorTools.colorText_2()
            
            self.addButton_.properties.icon = NSImage(named: "KMBookmarkAdd")
            self.addButton_.reloadData()
            
            self.searchButton.properties.icon = NSImage(named: "KMImageNameOutlineSearch")
            self.searchButton.reloadData()
            
            let dividerColor = KMNColorTools.colorBorder_divider()
            self.topSepline.wantsLayer = true
            self.topSepline.layer?.backgroundColor = dividerColor.cgColor
            self.lineView.backgroundColor(dividerColor)
        }
    }
    
    override func showHeaderSearch() {
        super.showHeaderSearch()
        
        BOTAOutlineView.isSearchMode = true
    }
    
    override func hideHeaderSearch() {
        super.hideHeaderSearch()
        
        BOTAOutlineView.isSearchMode = false
    }
    
    func addRightMenu(view: NSView, event: NSEvent) {
        let point = event.locationInWindow
        let tempView = view
        var viewHeight: CGFloat = 0
        let items: [String] = ["Add Item", "Add Sub-Item", "Add A Higher Level","", "Delete","", "Edit", "Rename", "Change Destination","", "Promote", "Demote"]
        var menuItemArr: [ComponentMenuitemProperty] = []
        for value in items {
            if value.count == 0 {
                let property: ComponentMenuitemProperty = ComponentMenuitemProperty.divider()
                menuItemArr.append(property)
                viewHeight += 8
            } else {
                let properties_Menuitem: ComponentMenuitemProperty = ComponentMenuitemProperty(multipleSelect: false,
                                                                                               itemSelected: false,
                                                                                               isDisabled: false,
                                                                                               keyEquivalent: nil,
                                                                                               text: KMLocalizedString(value),
                                                                                               identifier: value)
                
                menuItemArr.append(properties_Menuitem)
                viewHeight += 36
            }
        }
        
        if _isEmptySelection() {
            for data in menuItemArr {
                if data.text == KMLocalizedString("Add Item") {
                    data.isDisabled = false
                } else {
                    data.isDisabled = true
                }
            }
        } else if _isMutilSelection() {
            for data in menuItemArr {
                if data.text == KMLocalizedString("Delete") {
                    data.isDisabled = false
                } else {
                    data.isDisabled = true
                }
            }
        } else {
            let clickedRow = BOTAOutlineView.outlineView.clickedRow
            let outlineItem = BOTAOutlineView.outlineView.item(atRow: clickedRow) as? KMBOTAOutlineItem
            let idx = outlineItem?.outline.index ?? 0
            let canDemote = idx > 0
            
            let grandparentOutline = outlineItem?.outline.parent?.parent
            let canPromote = grandparentOutline != nil
            let canAddHigher = grandparentOutline != nil
            
            if BOTAOutlineView.isValidSearchMode() {
                for data in menuItemArr {
                    if data.text == KMLocalizedString("Delete") || data.text == KMLocalizedString("Change Destination") {
                        data.isDisabled = false
                    } else if data.text == KMLocalizedString("Demote") {
                        data.isDisabled = !canDemote
                    } else if data.text == KMLocalizedString("Promote") {
                        data.isDisabled = !canPromote
                    } else {
                        data.isDisabled = true
                    }
                }
            } else {
                for data in menuItemArr {
                    if data.text == KMLocalizedString("Add Sub-Item") || data.text == KMLocalizedString("Change Destination") {
                        data.isDisabled = false
                    } else if data.text == KMLocalizedString("Demote") {
                        data.isDisabled = !canDemote
                    } else if data.text == KMLocalizedString("Promote") {
                        data.isDisabled = !canPromote
                    } else if data.text == KMLocalizedString("Add A Higher Level") {
                        data.isDisabled = !canAddHigher
                    }
                }
            }
        }
 
        if menuGroupView_ == nil {
            menuGroupView_ = ComponentGroup.createFromNib(in: ComponentLibrary.shared.componentBundle())
        }
        
        if menuGroupView_ != nil {
            menuGroupView_?.clickedAutoHide = false
            menuGroupView_?.groupDelegate = self
            menuGroupView_?.frame = CGRectMake(0, 0, 180, viewHeight)
            menuGroupView_?.updateGroupInfo(menuItemArr)
            
            menuGroupView_?.showWithPoint(CGPoint(x: point.x, y: point.y - viewHeight), relativeTo: tempView)
        }
    }
    
    func reloadData() {
        self.BOTAOutlineView.reloadData(expandItemType: .none)
    }
    
    func editOutlineUI(editVC : KMOutlineEditViewController!) {
        if editVC.pageRadio.properties.checkboxType == .selected {
            let index = Int(editVC.pageInput.properties.text) ?? 0
            let pageIndex = max(0, index-1)
            if editVC.originalDestination?.pageIndex != pageIndex {
                let page = editVC.pdfView?.document.page(at: UInt(pageIndex))
                if page != nil {
                    let destination = CPDFDestination.init(document: editVC.pdfView!.document, pageIndex: pageIndex)
                    editVC.outline?.destination = destination
                } else {
                    __NSBeep()
                }
            }
        } else if editVC.webRaido.properties.checkboxType == .selected {
            if editVC.originalURLString != editVC.webInput.properties.text {
                var urlString = editVC.webInput.properties.text
                let tLowerUrl = urlString.lowercased()
                if !tLowerUrl.hasPrefix("https://") && !tLowerUrl.hasPrefix("pf]://")  && !urlString.hasPrefix("https://") &&
                    urlString.lengthOfBytes(using: String.Encoding(rawValue: String.Encoding.utf16.rawValue)) > 0 {
                    urlString = "http://\(urlString)"
                }
                let action = CPDFURLAction.init(url: urlString)
                editVC.outline?.action = action
            }
        } else if editVC.emailRadio.properties.checkboxType == .selected {
            var mailString = editVC.emailInput.properties.text
            let tLowerStr = mailString.lowercased()
            if !tLowerStr.hasPrefix("mailto:") {
                mailString = "mailto:\(mailString)"
            }
            if mailString != editVC.originalURLString {
                var action = CPDFURLAction.init(url: mailString)
                if action?.url == nil {
                    action = CPDFURLAction.init(url: "mailto:")
                }
                editVC.outline?.action = action
            }
        } 
    }
    
    // MARK: - Private Methods
    
    private func _showAlert(style: NSAlert.Style, message: String, info: String, buttons: [String]) -> NSApplication.ModalResponse {
        let alert = NSAlert()
        alert.alertStyle = style
        alert.messageText = message
        alert.informativeText = info
        for button in buttons {
            alert.addButton(withTitle: button)
        }
        return alert.runModal()
    }
    
    @objc private func _moreAction() {
        self.showGroupView()
    }
    
    private func _isEmptySelection() -> Bool {
        return BOTAOutlineView.outlineView.clickedRow == -1
    }
    
    private func _isMutilSelection() -> Bool {
        return BOTAOutlineView.outlineView.selectedRowIndexes.count > 1
    }
    
    //MARK: - GroupView
    
    func showGroupView() {
        var viewHeight: CGFloat = 8
        var menuItemArr: [ComponentMenuitemProperty] = []
        for i in ["Expand All", "Collapse All", "Remove All Outlines"] {
            let properties_Menuitem: ComponentMenuitemProperty = ComponentMenuitemProperty(multipleSelect: false,
                                                                                               itemSelected: false,
                                                                                               isDisabled: false,
                                                                                               keyEquivalent: nil,
                                                                                               text: KMLocalizedString(i))
            menuItemArr.append(properties_Menuitem)
            viewHeight += 36
        }
        
        if let data =  menuItemArr.first {
            var canExpand = false
            for row in 0..<self.BOTAOutlineView.outlineView.numberOfRows {
                // 检查当前项目是否可以展开
                let item = self.BOTAOutlineView.outlineView.item(atRow: row)
                if self.BOTAOutlineView.outlineView.isExpandable(item) {
                    if !self.BOTAOutlineView.outlineView.isItemExpanded(item) {
                        canExpand = true
                        break
                    }
                }
            }
            data.isDisabled = !canExpand
        }
        
        if let data = menuItemArr.safe_element(for: 1) as? ComponentMenuitemProperty {
            var canCollapse = false
            for row in 0..<self.BOTAOutlineView.outlineView.numberOfRows {
                let item = self.BOTAOutlineView.outlineView.item(atRow: row)
                if self.BOTAOutlineView.outlineView.isExpandable(item) {
                    if self.BOTAOutlineView.outlineView.isItemExpanded(item) {
                        canCollapse = true
                        break
                    }
                }
            }
            data.isDisabled = !canCollapse
        }
        
        if let data = menuItemArr.last {
            if self.BOTAOutlineView.outlineView.item(atRow: 0) != nil {
                data.isDisabled = false
            } else {
                data.isDisabled = true
            }
        }
        
        if groupView_ == nil {
            groupView_ = ComponentGroup.createFromNib(in: ComponentLibrary.shared.componentBundle())
        }
        groupView_?.groupDelegate = self
        groupView_?.frame = CGRectMake(310, 0, 200, viewHeight)
        groupView_?.updateGroupInfo(menuItemArr)
        
        var point = moreDropdown_.convert(moreDropdown_.frame.origin, to: nil)
        point.y -= viewHeight
        groupView_?.showWithPoint(point, relativeTo: moreDropdown_)
        
        moreDropdown_.properties.state = .pressed
        moreDropdown_.reloadData()
    }
    
    func showSearchGroupView(sender: ComponentButton) {
        var viewHeight: CGFloat = 8
        var menuItemArr: [ComponentMenuitemProperty] = []
        let titles = ["Whole Words","Case Sensitive"]
        for i in titles {
            let menuI = ComponentMenuitemProperty(text: KMLocalizedString(i))
            menuItemArr.append(menuI)
            viewHeight += 36
        }
        
        if let info = menuItemArr.first {
            if KMDataManager.ud_bool(forKey: KMNSearchKey.wholeWords.outline) {
                info.righticon = NSImage(named: "KMNImageNameMenuSelect")
            }
        }
        if let info = menuItemArr.last {
            if KMDataManager.ud_bool(forKey: KMNSearchKey.caseSensitive.outline) {
                info.righticon = NSImage(named: "KMNImageNameMenuSelect")
            }
        }
        
        let groupView = ComponentGroup.createFromNib(in: ComponentLibrary.shared.componentBundle())
        searchGroupView = groupView
        groupView?.groupDelegate = self
        groupView?.frame = CGRectMake(310, 0, 200, viewHeight)
        groupView?.updateGroupInfo(menuItemArr)
        
        var point = sender.convert(sender.frame.origin, to: nil)
        point.y -= viewHeight
        groupView?.showWithPoint(point, relativeTo: sender)
        searchGroupTarget = sender
    }
    
    func removeGroupView() {
        if groupView_ != nil {
            groupView_?.removeFromSuperview()
        }
        moreDropdown_.properties.state = .normal
        moreDropdown_.reloadData()
    }
    
    func updateExtempViewState() {
        if BOTAOutlineView.isValidSearchMode() {
            if BOTAOutlineView.data?.searchChildren.isEmpty == true {
                self.emptyView.isHidden = false
            } else {
                self.emptyView.isHidden = true
            }
        } else {
            if(self.handdler.outlineRoot() == nil || self.handdler.outlineRoot()?.numberOfChildren == 0) { //无数据时的图
                self.emptyView.isHidden = false
            } else {
                self.emptyView.isHidden = true
            }
        }
    }
}

//MARK: -  Menu 右键菜单
extension KMOutlineViewController {
    @objc func outlineViewDoubleAction() {
        if(self.BOTAOutlineView.outlineView.clickedRow >= 0) {
            self.renameItemAction()
        }
    }
    
    @objc func addItemAction() {
        guard let outlineView = BOTAOutlineView.outlineView else {
            return
        }
        let selectRowIndexs = outlineView.selectedRowIndexes
        let dataCount = BOTAOutlineView.data?.children.count ?? 0
        var index: Int = 0
        var parent: KMBOTAOutlineItem?
        var outlineItem: KMBOTAOutlineItem?

        if selectRowIndexs.count == 0 {
            var lastOulineItem: KMBOTAOutlineItem?
            if dataCount == 0 {
                let item = KMBOTAOutlineItem()
                item.outline = self.handdler.document!.setNewOutlineRoot()
                item.parent = nil
                parent = item
                
                lastOulineItem = item
            } else {
                outlineItem = outlineView.item(atRow: outlineView.numberOfRows - 1) as? KMBOTAOutlineItem
                lastOulineItem = outlineItem
                while lastOulineItem?.parent != nil {
                    lastOulineItem = lastOulineItem?.parent
                }
                parent = lastOulineItem
            }
            index = Int(lastOulineItem?.outline.numberOfChildren ?? 0)
        } else {
            outlineItem = outlineView.item(atRow: selectRowIndexs.last ?? 0) as? KMBOTAOutlineItem
            parent = outlineItem?.parent ?? KMBOTAOutlineItem()
            index = Int(((outlineItem?.outline.index) ?? 0) + 1)
        }
        
        self.addOutlineToIndex(index: index, parent: parent)
    }
    
    @objc func addChildItemAction() {
        let outlineView: KMOutlineView = self.BOTAOutlineView.outlineView
        let selectRowIndexs = outlineView.selectedRowIndexes
        if selectRowIndexs.count != 0 {
            let outlineItem: KMBOTAOutlineItem = outlineView.item(atRow: selectRowIndexs.last!) as! KMBOTAOutlineItem
            let index = outlineItem.outline.numberOfChildren
            self.addOutlineToIndex(index: NSInteger(index), parent: outlineItem)
        }
    }
    
    @objc func addHigherItemAction() {
        let outlineView: KMOutlineView = self.BOTAOutlineView.outlineView
        let selectRowIndexs = outlineView.selectedRowIndexes
        if selectRowIndexs.count != 0 {
            let outlineItem: KMBOTAOutlineItem = outlineView.item(atRow: selectRowIndexs.last!) as! KMBOTAOutlineItem
            var parent = outlineItem.parent
            let index = NSInteger(parent!.outline.index) + 1
            parent = parent?.parent
            if parent != nil {
                self.addOutlineToIndex(index: index, parent: parent!)
            }
        }
    }
    
    @objc func deleteItemAction() {
        let outlineView: KMOutlineView = self.BOTAOutlineView.outlineView
        let selectRowIndexs = outlineView.selectedRowIndexes
        if selectRowIndexs.count != 0 {
            var outlineItems: [KMBOTAOutlineItem] = []
            for index in selectRowIndexs {
                let outlineItem: KMBOTAOutlineItem = self.BOTAOutlineView.outlineView.item(atRow: index) as! KMBOTAOutlineItem
                outlineItem.toIndex = index
                outlineItem.parent = outlineItem.parent ?? KMBOTAOutlineItem()
                outlineItems.append(outlineItem)
            }
            self.deleteOutline(outlineItems: outlineItems)
        }
    }
    
    @objc func editItemAction() {
        let clickedRow = BOTAOutlineView.outlineView.clickedRow
        if clickedRow < 0 {
            NSSound.beep()
            return
        }
        if let rowView = self.BOTAOutlineView.outlineView.rowView(atRow: clickedRow, makeIfNecessary: true) {
            let item = self.BOTAOutlineView.outlineView.item(atRow: clickedRow) as? KMBOTAOutlineItem
            let vc = KMOutlineEditViewController.init(outline: item?.outline, document: self.handdler.pdfView)
            vc.pageCount = handdler.pageCount()
            vc.itemClick = { [weak self] idx, params in
                if idx == 1 {
                    self?.popover_?.close()
                } else if idx == 2 {
                    self?.popover_?.close()
                    
                    if let viewC = params.first as? KMOutlineEditViewController {
                        let resp = self?._showAlert(style: .informational, message: KMLocalizedString("Are you sure you want to apply edits to this outline?"), info: "", buttons: [KMLocalizedString("Apply"), KMLocalizedString("Cancel")])
                        if resp == .alertFirstButtonReturn {
                            self?.editOutlineUI(editVC: viewC)
                        }
                    }
                }
            }
            let popover = NSPopover()
            popover_ = popover
            popover.delegate = self
            popover.contentViewController = vc
            popover.animates = true
            popover.behavior = .transient
            popover.setValue(true, forKey: "shouldHideAnchor")
            popover.show(relativeTo: rowView.bounds, of: rowView, preferredEdge: .minX)
        }
    }
    
    @objc func renameItemAction() {
        if self.BOTAOutlineView.outlineView.clickedRow >= 0 {
            self.renameOutlineWithRow(row: self.BOTAOutlineView.outlineView.clickedRow)
        } else {
            __NSBeep()
        }
    }
    
    @objc func changeItemAction() {
        guard let currentDest = handdler.currentDestination() else {
            NSSound.beep()
            return
        }
        guard let item = outlineView_?.clickedItem() as? KMBOTAOutlineItem else {
            NSSound.beep()
            return
        }
        
        let resp = _showAlert(style: .informational, message: KMLocalizedString("Are you sure you want to set the destination as the current location?"), info: "", buttons: [KMLocalizedString("Yes"), KMLocalizedString("No")])
        if resp == .alertFirstButtonReturn {
            handdler.changeLocation(outlineItem: item, destination: currentDest)
        }
    }
    
    @objc func promoteItemAction() {
        if self.BOTAOutlineView.outlineView.clickedRow >= 0 {
            let outlineItem: KMBOTAOutlineItem = self.BOTAOutlineView.outlineView.item(atRow: self.BOTAOutlineView.outlineView.clickedRow) as! KMBOTAOutlineItem
            var parent = outlineItem.parent
            let index = NSInteger(parent!.outline.index) + 1
            parent = parent?.parent
            if parent != nil {
                self.moveOutline(outlineItem: outlineItem, index: index, parent: parent)
            }
        }
    }
    
    @objc func demoteItemAction() {
        if self.BOTAOutlineView.outlineView.clickedRow >= 0 {
            let outlineItem: KMBOTAOutlineItem = self.BOTAOutlineView.outlineView.item(atRow: self.BOTAOutlineView.outlineView.clickedRow) as! KMBOTAOutlineItem
            let parent = outlineItem.parent
            let newParent = parent?.children[Int(outlineItem.outline.index) - 1]
            let index = newParent?.children.count
            if (index != nil) {
                self.moveOutline(outlineItem: outlineItem, index: NSInteger(index ?? 0), parent: newParent)
            }
        }
    }
    
    @objc private func expandAllComments(item: NSMenuItem) {
        self.BOTAOutlineView.expandAllComments(item: item)
    }
    
    @objc private func collapseAllComments(item: NSMenuItem) {
        self.BOTAOutlineView.collapseAllComments(item: item)
    }
    
    @objc private func removeAllOutlineItem(item: NSMenuItem) {
        let alter = NSAlert()
        alter.alertStyle = NSAlert.Style.informational
        alter.messageText = NSLocalizedString("This will permanently remove all outlines. Are you sure to continue?", comment: "")
        alter.addButton(withTitle: NSLocalizedString("Yes", comment:""))
        alter.addButton(withTitle: NSLocalizedString("No", comment:""))
        let modlres = alter.runModal()
        if modlres == NSApplication.ModalResponse.alertFirstButtonReturn {
            self.removeAllOutline()
        }
    }
    
    @objc private func removeAllOutline() {
        guard let data = self.BOTAOutlineView.data else { return }
        
        for item in data.children {
            item.toIndex = Int(item.outline.index)
        }
        self.deleteOutline(outlineItems: data.children)
        self.BOTAOutlineView.reloadData(expandItemType: .none)
    }
    
    @objc private func _searchAction() {
        searchButton.properties.state = .normal
        searchButton.reloadData()
        
        showHeaderSearch()
    }
}

//MARK: -  Action
extension KMOutlineViewController {
    @IBAction func addNewOutline(_ sender: Any) {
        self.addItemAction()
    }
    
    @IBAction func escButtonAction(_ sender: Any) {
        self.cancelSelect()
    }
    
    func cancelSelect() {
        self.BOTAOutlineView.cancelSelect()
    }
    
    func renameOutlineWithRow(row: NSInteger) {
        DispatchQueue.main.async {
            self.renamePDFOutline = self.BOTAOutlineView.outlineView.item(atRow: row) as? KMBOTAOutlineItem
            let cell : KMBOTAOutlineCellView = self.BOTAOutlineView.outlineView.view(atColumn: 0, row: row, makeIfNecessary: true) as! KMBOTAOutlineCellView
            self.renameTextField = cell.titleLabel
            self.renameTextField.delegate = self
            self.renameTextField.isEditable = true
            self.renameTextField.becomeFirstResponder()
        }
    }
    
    func addOutlineToIndex(index: Int, parent: KMBOTAOutlineItem?) {
        let pageIndex = self.handdler.currentPageIndex
        let label = self.fetchCurrentLabel(pageIndex: pageIndex)
        let destination = self.handdler.currentDestination()
    
        self.addOutlineToIndex(index: index, pageIndex: pageIndex, destination: destination, lable: label, parent: parent)
    }
    
    func addOutlineToIndex(index: Int, pageIndex: Int, destination: CPDFDestination?, lable: String, parent: KMBOTAOutlineItem?) {
        let outlineItem = KMBOTAOutlineItem()
        outlineItem.destination = destination
        outlineItem.label = lable
        outlineItem.parent = parent
        outlineItem.toIndex = index
        self.addOutline(outlineItems: [outlineItem])
        
        let tempOutlineView = self.BOTAOutlineView!
        var index = -1
        if tempOutlineView.outlineView.numberOfRows == 1 || tempOutlineView.data == nil {
            index = 0
        } else {
            index = tempOutlineView.outlineView.row(forItem: outlineItem)
        }

        tempOutlineView.selectIndex(index: index)

        //滑动到指定位置
        if(tempOutlineView.outlineView.selectedRow >= 0) {
            self.renameOutlineWithRow(row: tempOutlineView.outlineView.selectedRow)
        }

        let row = tempOutlineView.outlineView.row(forItem: outlineItem)
        if Thread.current.isMainThread {
            tempOutlineView.outlineView.scrollToVisible(tempOutlineView.outlineView.rect(ofRow: row))
        } else {
            DispatchQueue.main.async {
                tempOutlineView.outlineView.scrollToVisible(tempOutlineView.outlineView.rect(ofRow: row))
            }
        }
    }
    
    func updateOutlineSelection() {
        let currentPageIndex = self.handdler.currentPageIndex
        let numRows = self.BOTAOutlineView.outlineView.numberOfRows
        if numRows > 0 {
            for i in 0...numRows - 1 {
                let outlineItem: KMBOTAOutlineItem = self.BOTAOutlineView.outlineView.item(atRow: i) as! KMBOTAOutlineItem
                if (outlineItem.outline.destination == nil) {
                    continue
                }
                
                if outlineItem.outline.destination.pageIndex == currentPageIndex {
                    self.BOTAOutlineView.selectIndex(index: currentPageIndex)
                    break
                }
            }
        }
    }
    
    func fetchCurrentLabel(pageIndex: Int) -> String {
        var label = "\(NSLocalizedString("Page", comment: ""))\(pageIndex + 1)"
        let currentSelection = self.handdler.currentSelection()
        if currentSelection != nil && currentSelection?.selectionsByLine != nil {
            for data in  currentSelection?.selectionsByLine ?? [] {
                label = data.string() ?? ""
            }
        }
        return label
    }
}

//MARK: - KMBOTAOutlineViewDelegate
extension KMOutlineViewController: KMBOTAOutlineViewDelegate {
    func BOTAOutlineView(_ outlineView: KMBOTAOutlineView, rightDidMoseDown: KMBOTAOutlineItem, event: NSEvent) {
        let row = outlineView.outlineView.row(forItem: rightDidMoseDown)
        if outlineView.outlineView.rowView(atRow: row, makeIfNecessary: false) != nil {
            let rowView = outlineView.outlineView.rowView(atRow: row, makeIfNecessary: false)
            self.addRightMenu(view: rowView!, event: event)
        }
    }

    func BOTAOutlineView(_ outlineView: KMBOTAOutlineView, didReloadData: KMBOTAOutlineItem) {
        self.updateExtempViewState()
    }
    
    func BOTAOutlineView(_ outlineView: KMBOTAOutlineView, didSelectItem: [KMBOTAOutlineItem]) {
        if outlineView_?.selectedRowIndexes.count == 1 {
            isLocalEvent = true
            
            guard let item = outlineView_?.selectedItem() as? KMBOTAOutlineItem else {
                return
            }
            
            handdler.selectOutline(item.outline)
        }
    }
    
    func BOTAOutlineView(_ outlineView: KMBOTAOutlineView, writeItems items: [Any], to pasteboard: NSPasteboard) -> Bool {
        if outlineView.outlineView.selectedRow == -1 {
            return false
        }
        
        self.dragPDFOutline = items.first as? KMBOTAOutlineItem
        
        self.dragPDFOutlines_ = items as? [KMBOTAOutlineItem] ?? []
        
        let indexSet = [outlineView.outlineView.clickedRow]
        let indexSetData: Data = try!NSKeyedArchiver.archivedData(withRootObject: indexSet, requiringSecureCoding: true)
        pasteboard.declareTypes([NSPasteboard.PasteboardType(rawValue: "kKMPDFViewOutlineDragDataType")], owner: self)
        pasteboard.setData(indexSetData, forType: NSPasteboard.PasteboardType(rawValue: NSPasteboard.PasteboardType.RawValue("kKMPDFViewOutlineDragDataType")))
        return true
    }
    
    func BOTAOutlineView(_ outlineView: KMBOTAOutlineView, validateDrop info: NSDraggingInfo, proposedItem item: Any?, proposedChildIndex index: Int) -> NSDragOperation {
        var dragOperation = NSDragOperation.init(rawValue: 0)
        if index >= 0 {
            dragOperation = NSDragOperation.move
        }
        return dragOperation
    }
    
    func BOTAOutlineView(_ outlineView: KMBOTAOutlineView, acceptDrop info: NSDraggingInfo, item: Any?, childIndex index: Int) -> Bool {
        guard let dragOutlineItem = self.dragPDFOutline else { return false }
        let outlineItem: KMBOTAOutlineItem = (item ?? KMBOTAOutlineItem()) as! KMBOTAOutlineItem
        if index < 0 {
            return false
        }
        
        for dragOutlineItem in dragPDFOutlines_ {
            if outlineItem.parent == nil {
                var root = dragOutlineItem.parent
                while root?.parent?.children != nil {
                    root = root?.parent!
                }
                if dragOutlineItem.parent!.isEqual(root) {
                    if dragOutlineItem.outline.index > index {
                        self.moveOutline(outlineItem: dragOutlineItem, index: index, parent: root)
                    } else {
                        self.moveOutline(outlineItem: dragOutlineItem, index: index - 1, parent: root)
                    }
                } else {
                    self.moveOutline(outlineItem: dragOutlineItem, index: index, parent: root)
                }
            } else {
                if dragOutlineItem.parent!.isEqual(item) {
                    //                if dragOutlineItem.outline.index != 0 {
                    if dragOutlineItem.outline.index > index {
                        self.moveOutline(outlineItem: dragOutlineItem, index: index, parent: item as? KMBOTAOutlineItem)
                    } else {
                        self.moveOutline(outlineItem: dragOutlineItem, index: index - 1, parent: item as? KMBOTAOutlineItem)
                    }
                    //                } else {
                    //                    return false
                    //                }
                } else {
                    var tOutline = outlineItem
                    var isContains = false
                    while (tOutline.parent != nil) {
                        if tOutline.outline.isEqual(dragOutlineItem.outline) {
                            isContains = true
                            break
                        }
                        tOutline = tOutline.parent!
                    }
                    if isContains == false {
                        self.moveOutline(outlineItem: dragOutlineItem, index: index, parent: item as? KMBOTAOutlineItem)
                    }
                }
            }
        }
        self.BOTAOutlineView.selectItem(outlineItem: dragOutlineItem)
        
        return true
    }
}

//MARK: - NSTextFieldDelegate
extension KMOutlineViewController: NSTextFieldDelegate {
    func controlTextDidEndEditing(_ obj: Notification) {
        if (self.renameTextField.isEqual(obj.object)) {
            let textField : NSTextField = obj.object as! NSTextField
            self.renamePDFOutline(outlineItem: self.renamePDFOutline, label: textField.stringValue)
        }
    }
}

//MARK: - NSPopoverDelegate
extension KMOutlineViewController: NSPopoverDelegate {
    func popoverWillClose(_ notification: Notification) {
        let popover : NSPopover = notification.object as! NSPopover
        if popover.contentViewController!.isKind(of: KMOutlineEditViewController.self) {
            
        }
    }
    
    func popoverDidClose(_ notification: Notification) {
        if popover_ == (notification.object as? NSPopover) {
           popover_ = nil
        }
    }
}

//MARK: - NSMenuItemValidation
extension KMOutlineViewController: NSMenuDelegate, NSMenuItemValidation {
    func validateMenuItem(_ menuItem: NSMenuItem) -> Bool {
        let action = menuItem.action
        if (action == #selector(undo)) {
            return handdler.canUndo()
        }
        if (action == #selector(redo)) {
            return handdler.canRedo()
        }
        
        return true
    }
}

// MARK: - KMNOutlineHanddlerDelegate

extension KMOutlineViewController: KMNOutlineHanddlerDelegate {
    func handdler(_ handdler: KMNOutlineHanddler, didAdd info: [String : Any]?) {
        let tempOutlineItems = info?["data"] as? [KMBOTAOutlineItem] ?? []
        
        let tempOutlineView = self.BOTAOutlineView
        if tempOutlineView?.data?.children.count == 0 || tempOutlineView?.data == nil {
            tempOutlineView?.inputData = self.handdler.outlineRoot()
        } else {
            if BOTAOutlineView.isValidSearchMode() {
                BOTAOutlineView.reloadSearchChildren(item: BOTAOutlineView.data)
            }
            
            tempOutlineView?.outlineView.reloadData()
        }
        
        //展开
//        DispatchQueue.main.async {
            for outlineItem in tempOutlineItems {
                var tempParent = outlineItem
                while tempParent.parent != nil {
                    tempParent.isItemExpanded = true
                    tempParent = tempParent.parent!
                    tempOutlineView?.outlineView.expandItem(tempParent)
                }
                tempOutlineView?.outlineView.expandItem(tempParent.parent)
            }
//        }
        
        self.updateExtempViewState()
    }
    
    func handdler(_ handdler: KMNOutlineHanddler, didRemove info: [String : Any]?) {
        let tempOutlineItems = info?["data"] as? [KMBOTAOutlineItem] ?? []
        let tempOutlineView = self.BOTAOutlineView
        //展开
        for outlineItem in tempOutlineItems {
            outlineItem.parent?.isItemExpanded = true
            tempOutlineView?.outlineView.expandItem(outlineItem.parent)
        }
        
        if BOTAOutlineView.isValidSearchMode() {
            BOTAOutlineView.reloadSearchChildren(item: BOTAOutlineView.data)
        }
        
        tempOutlineView?.outlineView.reloadData()
        //删除需要取消选中
        tempOutlineView?.cancelSelect()
        
        //刷新nil数据
        self.updateExtempViewState()
    }
    
    func handdler(_ handdler: KMNOutlineHanddler, didRename outline: CPDFOutline?, info: [String : Any]?) {
        let outlineItem = info?["data"] as? KMBOTAOutlineItem
        let tempOutlineView = self.BOTAOutlineView
        
        tempOutlineView?.outlineView.reloadItem(outlineItem)
    }
    
    func handdler(_ handdler: KMNOutlineHanddler, didChangeLocation outline: CPDFOutline?, info: [String : Any]?) {
        let outlineItem = info?["data"] as? KMBOTAOutlineItem
        let tempOutlineView = self.BOTAOutlineView
        
        tempOutlineView?.outlineView.reloadItem(outlineItem)
    }
    
    func handdler(_ handdler: KMNOutlineHanddler, didMove outline: CPDFOutline?, info: [String : Any]?) {
        guard let outlineItem = info?["data"] as? KMBOTAOutlineItem else {
            return
        }
        
        let parent = info?["parent"] as? KMBOTAOutlineItem
        let tempOutlineView = self.BOTAOutlineView
        let index = info?["index"] as? Int ?? 0
        
        if BOTAOutlineView.isValidSearchMode() {
            BOTAOutlineView.reloadSearchChildren(item: BOTAOutlineView.data)
        }
        
        //显示数据刷新
        outlineItem.parent?.children.removeObject(outlineItem)
        parent?.children.insert(outlineItem, at: index)
        outlineItem.parent = parent
        tempOutlineView?.outlineView.reloadData()
        tempOutlineView?.cancelSelect()
        
        //展开
        outlineItem.isItemExpanded = true
        outlineItem.parent?.isItemExpanded = true
        tempOutlineView?.outlineView.expandItem(outlineItem)
        tempOutlineView?.outlineView.expandItem(outlineItem.parent)
    }
}

//MARK: - 快捷键
extension KMOutlineViewController {
    @IBAction func delete(_ sender: Any) {
        self.deleteItemAction()
    }
}

//MARK: - undoRedo
extension KMOutlineViewController {
    func moveOutline(outlineItem: KMBOTAOutlineItem, index: NSInteger, parent: KMBOTAOutlineItem!) {
        handdler.moveOutline(outlineItem: outlineItem, index: index, parent: parent)
    }
    
    func changeLocation(outlineItem: KMBOTAOutlineItem, destination: CPDFDestination) {
        handdler.changeLocation(outlineItem: outlineItem, destination: destination)
    }
    
    func renamePDFOutline(outlineItem: KMBOTAOutlineItem!, label: String) {
        let tempOutlineView = self.BOTAOutlineView!
        
        self.view.window?.makeFirstResponder(tempOutlineView.outlineView)
        self.renameTextField.isEditable = false
        if outlineItem.outline.label == label {
            return
        }

        handdler.renamePDFOutline(outlineItem: outlineItem, label: label)
    }
    
    func deleteOutline(outlineItems: [KMBOTAOutlineItem]) {
        NSApp.mainWindow?.makeFirstResponder(self.BOTAOutlineView)
        let tempOutlineView = self.BOTAOutlineView!
        
        handdler.deleteOutline(outlineItems: outlineItems)
    }
    
    func addOutline(outlineItems: [KMBOTAOutlineItem]) {
        NSApp.mainWindow?.makeFirstResponder(self.BOTAOutlineView)
        let tempOutlineView = self.BOTAOutlineView!
        //先取消选中
        tempOutlineView.cancelSelect()
        
        var tempOutlineItems: [KMBOTAOutlineItem] = outlineItems
        tempOutlineItems.sort(){$0.toIndex < $1.toIndex}
        
        handdler.addOutline(outlineItems: tempOutlineItems)
    }
    
    @IBAction func undo(_ sender: Any) {
        handdler.undo()
    }
    
    @IBAction func redo(_ sender: Any) {
        handdler.redo()
    }
}

//MARK: - ComponentDropdownDelegate

extension KMOutlineViewController: ComponentDropdownDelegate {
    func componentDropdownDidShowMenuItem(dropdown: ComponentDropdown) {
        showGroupView()
    }
}

//MARK: - ComponentGroupDelegate

extension KMOutlineViewController: ComponentGroupDelegate {
    func componentGroupDidDismiss(group: ComponentGroup?) {
        if group == groupView_ {
            removeGroupView()
        } else if group == menuGroupView_ {
            group?.removeFromSuperview()
            menuGroupView_ = nil
        } else if group == searchGroupView {
//            searchGroupView_ = nil
            searchGroupTarget?.properties.state = .normal
            searchGroupTarget?.reloadData()
            searchGroupTarget = nil
        }
    }
    
    func componentGroupDidSelect(group: ComponentGroup?, menuItemProperty: ComponentMenuitemProperty?) {
        if group == groupView_ {
            if let selItem = menuItemProperty {
                let index = group?.menuItemArr.firstIndex(of: selItem)
                if index == 0 {
                    expandAllComments(item: NSMenuItem())
                } else if index == 1 {
                    collapseAllComments(item: NSMenuItem())
                } else if index == 2 {
                    removeAllOutlineItem(item: NSMenuItem())
                }
            }
        } else if group == menuGroupView_ {
            if let selItem = menuItemProperty {
                let index = group?.menuItemArr.firstIndex(of: selItem)
                if index == 0 {
                    addItemAction()
                } else if index == 1 {
                    addChildItemAction()
                } else if index == 2 {
                    addHigherItemAction()
                } else if index == 4 {
                    deleteItemAction()
                } else if index == 6 {
                    group?.removeFromSuperview()
                    
                    editItemAction()
                } else if index == 7 {
                    renameItemAction()
                } else if index == 8 {
                    changeItemAction()
                } else if index == 10 {
                    promoteItemAction()
                } else if index == 11 {
                    demoteItemAction()
                }
                
                group?.removeFromSuperview()
            }
        } else if group == searchGroupView {
            guard let menuI = menuItemProperty else {
                return
            }
            let idx = group?.menuItemArr.firstIndex(of: menuI)
            if idx == 0 {
                let key = KMNSearchKey.wholeWords.outline
                let value = KMDataManager.ud_bool(forKey: key)
                KMDataManager.ud_set(!value, forKey: key)
                
                BOTAOutlineView.wholeWords = !value
            } else if idx == 1 {
                let key = KMNSearchKey.caseSensitive.outline
                let value = KMDataManager.ud_bool(forKey: key)
                KMDataManager.ud_set(!value, forKey: key)
                
                BOTAOutlineView.caseSensitive = !value
            }
        }
    }
}