//
//  KMPDFEditToolbar.swift
//  PDF Master
//
//  Created by tangchao on 2023/5/4.
//

import Cocoa

enum KMPageEditType: Int {
    case none       = 0
    case pageRange = 1
    case leftRotate
    case rightRotate
    case insert
    case extract
    case replace
    case split
    case reverse
    case delete
    
    case zoomOut
    case zoomIn
    
    case paste = 100
    
//    static let none: KMPageEditType = KMPageEditType(rawValue: 0)!
//    static let paste: KMPageEditType = KMPageEditType(rawValue: 100)!
    
    static var insert_files: Int {
        get {
            return self.insert.rawValue + 1000
        }
    }
    static var insert_blank_page: Int {
        get {
            return self.insert.rawValue  + 1001
        }
    }
    static var insert_custom_page: Int {
        get {
            return self.insert.rawValue + 1002
        }
    }
}

class KMPDFEditToolbar: NSView {
    private var toolBar_ = KMToolbar()
    var toolBar: KMToolbar {
        get {
            return self.toolBar_
        }
    }
    
    private var zoomOutButton_: NSButton?
    private var zoomInButton_: NSButton?
    
    open var zoomOutButton: NSButton? {
        get {
            return self.zoomOutButton_
        }
    }
    open var zoomInButton: NSButton? {
        get {
            return self.zoomInButton_
        }
    }
    
    private var pageRangeView_: KMDesignSelect?
    open var pageRangeView: KMDesignSelect? {
        get {
            return self.pageRangeView_
        }
    }
    private var pageRangeViewItems = [KMTools.pageRangeTypeString(pageRange: .all),
                              KMTools.pageRangeTypeString(pageRange: .odd),
                              KMTools.pageRangeTypeString(pageRange: .even),
                              KMTools.pageRangeTypeString(pageRange: .horizontal),
                              KMTools.pageRangeTypeString(pageRange: .vertical),
                              KMTools.pageRangeTypeString(pageRange: .custom)]
    
    var itemClick: KMItemClickBlock<KMPDFEditToolbar>?
    var pageRangeValueDidChange: KMValueDidChangeBlock?
    
    lazy var insertItemStrings: [String] = {
       return [NSLocalizedString("Insert a Blank Page", comment: ""),
               NSLocalizedString("Insert Custom Page", comment: ""),
               NSLocalizedString("Insert File", comment: "")]
    }()
    
    private weak var popover: NSPopover?
    
    override init(frame frameRect: NSRect) {
        super.init(frame: frameRect)
        
        self.initDefaultValue()
        self.initSubViews()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        
        self.initDefaultValue()
        self.initSubViews()
    }
    
    public func initDefaultValue() {
        
    }
    
    public func initSubViews() {
        self.addSubview(self.toolBar)
        self.toolBar.frame = self.bounds
        self.toolBar.autoresizingMask = [.width, .height]
        self.toolBar.delegate = self
        
        let rightItemView = self.rightItemView
        self.addSubview(rightItemView)
        rightItemView.frame = NSMakeRect(NSWidth(self.frame)-80, 0, 80, NSHeight(self.frame))
        rightItemView.autoresizingMask = [.minXMargin, .height]
    }
    
    // MARK: - Publick Methods
    
    public func setPageRangeString(_ string: String) {
        self.pageRangeView?.stringValue = string
        self.pageRangeView?.editable = true
    }
    
    public func getItem(for itemId: String) -> KMToolBoxItem? {
        return self.toolBar.item(forItemIdentifier: itemId)
    }
    
    public func selectItem(for itemId: String) {
        self.getItem(for: itemId)?.isSelected = true
    }
    
    public func unSelectItem(for itemId: String) {
        self.getItem(for: itemId)?.isSelected = false
    }
    
    // MARK: - Actions
    
    @objc private func zoomOutButtonAction() {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.zoomOut.rawValue)
    }
    
    @objc private func zoomInButtonAction() {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.zoomIn.rawValue)
    }
    
    // MARK: toolBar 菜单事件
    
    @objc func pageRangeMenuAction(sender: KMToolbarClickButton) {
        
    }
    
    @objc func leftRotateMenuAction(sender: KMToolbarClickButton?) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.leftRotate.rawValue)
    }
    
    @objc func rightRotateMenuAction(sender: KMToolbarClickButton?) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.rightRotate.rawValue)
    }
    
    @objc func insertMenuAction(sender: KMToolbarClickButton) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.insert.rawValue)
        
        if let _popover = self.popover, _popover.isShown {
            self.popover?.close()
            self.popover = nil
            return
        }
        
        let vc: KMHomePopViewController = KMHomePopViewController().initWithPopViewDataArr(self.insertItemStrings)
        let popover: NSPopover = NSPopover.init()
        self.popover = popover
        popover.contentViewController = vc
        popover.animates = true
        popover.behavior = .semitransient
        popover.setValue(true, forKey: "shouldHideAnchor")
        popover.show(relativeTo: CGRect(x: sender.bounds.origin.x, y: 10, width: sender.bounds.size.width, height: sender.bounds.size.height), of: sender, preferredEdge: .maxY)
        vc.downCallback = { [weak self] downEntered, count in
            self?.popover?.close()
            self?.popover = nil
            
            if (!downEntered) {
                return
            }
            guard let index = self?.insertItemStrings.firstIndex(of: count) else {
                return
            }
            if (index == 0) {
                self?.item_insertBlankPage(sender: nil)
            } else if (index == 1) {
                self?.item_insertCustomPage(sender: nil)
            } else if (index == 2) {
                self?.item_insertFile(sender: nil)
            }
        }
    }
    
    @objc func extractMenuAction(sender: KMToolbarClickButton?) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.extract.rawValue)
    }
    
    @objc func replaceMenuAction(sender: KMToolbarClickButton?) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.replace.rawValue)
    }
    
    @objc func splitMenuAction(sender: KMToolbarClickButton) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.split.rawValue)
    }
    
    @objc func reverseMenuAction(sender: KMToolbarClickButton) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.reverse.rawValue)
    }
    
    @objc func deleteMenuAction(sender: KMToolbarClickButton) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.delete.rawValue)
    }
    
    @objc func item_insertFile(sender: NSMenuItem?) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.insert_files)
    }
    
    @objc func item_insertBlankPage(sender: NSMenuItem?) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.insert_blank_page)
    }
    
    @objc func item_insertCustomPage(sender: NSMenuItem?) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.insert_custom_page)
    }
    
    private lazy var rightItemView: NSView = {
        let view = NSView()
        
        let size: CGFloat = 28
        let y: CGFloat = 6
        
        let zoomInButton = NSButton()
        view.addSubview(zoomInButton)
        zoomInButton.frame = NSMakeRect(0, y, size, size)
        zoomInButton.isBordered = false
        zoomInButton.image = NSImage(named: "KMImageNamePageEditZoomIn")
        zoomInButton.target = self
        zoomInButton.action = #selector(zoomInButtonAction)
        self.zoomInButton_ = zoomInButton
        
        let zoomOutButton = NSButton()
        view.addSubview(zoomOutButton)
        zoomOutButton.frame = NSMakeRect(size+7, y, size, size)
        zoomOutButton.isBordered = false
        zoomOutButton.image = NSImage(named: "KMImageNamePageEditZoomOut")
        zoomOutButton.target = self
        zoomOutButton.action = #selector(zoomOutButtonAction)
        self.zoomOutButton_ = zoomOutButton
        
        return view
    }()
}

// MARK: - KMNewToolbarDelegate

extension KMPDFEditToolbar: KMNewToolbarDelegate {
    func toolbarDefaultItemIdentifiers(_ toolbar: KMToolbar!) -> [String]! {
        return [KMToolbarPageEditPageRangeItemIdentifier,
                KMToolbarPageEditLeftRotateItemIdentifier,
                KMToolbarPageEditRightRotateItemIdentifier,
                KMToolbarDividerItemIdentifier,
                KMToolbarPageEditInsetItemIdentifier,
                KMToolbarPageEditExtractItemIdentifier,
                KMToolbarPageEditReplaceItemIdentifier,
                KMToolbarPageEditSplitItemIdentifier,
                KMToolbarPageEditReverseItemIdentifier,
                KMToolbarDividerItemIdentifier,
                KMToolbarPageEditDeleteItemIdentifier]
    }
    
    func toolbar(_ toolbar: KMToolbar!, itemForItemIdentifier identifier: String!) -> KMToolBoxItem! {
        let item = KMToolBoxItem(itemIdentifier: identifier)
        if (identifier == KMToolbarPageEditPageRangeItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolbarrRight")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolbarrRight")
            item?.target = self
            item?.btnTag = KMPageEditType.pageRange.rawValue
//            item?.toolTip = NSLocalizedString("pageRange", comment: "")
            item?.titleName = NSLocalizedString("pageRange    ", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.left
            item?.btnAction = #selector(pageRangeMenuAction)
            
            let view = NSView()
            item?.addSubview(view)
            view.frame = item!.bounds
            view.autoresizingMask = [.width,.height]
            view.wantsLayer = true
            view.layer?.backgroundColor = NSColor.km_init(hex: "#F7F8FA").cgColor
            
            let comBoxView = KMDesignSelect(withType: .Combox)
            view.addSubview(comBoxView.view)
            comBoxView.view.frame = NSMakeRect(0, 0.5, NSWidth(view.frame), 21)
            comBoxView.view.autoresizingMask = [.width]
            comBoxView.removeAllItems()
            comBoxView.addItems(withObjectValues: self.pageRangeViewItems)
            comBoxView.selectItem(at: 0)
            comBoxView.placeholderString = NSLocalizedString("eg .1,3-5,10", comment: "")
            comBoxView.editable = false
            comBoxView.delete = self
            self.pageRangeView_ = comBoxView
            
            let menuItem = NSMenuItem.init(title: "pageRange", action: #selector(pageRangeMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        } else if (identifier == KMToolbarPageEditLeftRotateItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolPageLeftRotate")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolPageLeftRotate")
            item?.target = self
            item?.btnTag = KMPageEditType.leftRotate.rawValue
            item?.toolTip = NSLocalizedString("Rotate Left", comment: "")
            item?.titleName = NSLocalizedString("", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.left
            item?.btnAction = #selector(leftRotateMenuAction)
            
            let menuItem = NSMenuItem.init(title: "", action: #selector(leftRotateMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        } else if (identifier == KMToolbarPageEditRightRotateItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolPageRightRotate")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolPageRightRotate")
            item?.target = self
            item?.btnTag = KMPageEditType.rightRotate.rawValue
            item?.toolTip = NSLocalizedString("Rotate Right", comment: "")
            item?.titleName = NSLocalizedString("", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.left
            item?.btnAction = #selector(rightRotateMenuAction)
            
            let menuItem = NSMenuItem.init(title: "", action: #selector(rightRotateMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        } else if (identifier == KMToolbarPageEditInsetItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolPageInsert")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolPageInsert")
            item?.target = self
            item?.btnTag = KMPageEditType.insert.rawValue
            item?.toolTip = NSLocalizedString("Insert", comment: "")
            item?.titleName = NSLocalizedString("Insert", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.expandLeft
            item?.btnAction = #selector(insertMenuAction)
            
            let menuItem = NSMenuItem.init(title: "Insert", action: #selector(insertMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        } else if (identifier == KMToolbarPageEditExtractItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolPageExtract")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolPageExtract")
            item?.target = self
            item?.btnTag = KMPageEditType.extract.rawValue
            item?.toolTip = NSLocalizedString("Extract", comment: "")
            item?.titleName = NSLocalizedString("Extract", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.left
            item?.btnAction = #selector(extractMenuAction)
            
            let menuItem = NSMenuItem.init(title: "Extract", action: #selector(extractMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        } else if (identifier == KMToolbarPageEditReplaceItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolPageReplace")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolPageReplace")
            item?.target = self
            item?.btnTag = KMPageEditType.replace.rawValue
            item?.toolTip = NSLocalizedString("Replace", comment: "")
            item?.titleName = NSLocalizedString("Replace", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.left
            item?.btnAction = #selector(replaceMenuAction)
            
            let menuItem = NSMenuItem.init(title: "Replace", action: #selector(replaceMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        } else if (identifier == KMToolbarPageEditSplitItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolPageSplit")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolPageSplit")
            item?.target = self
            item?.btnTag = KMPageEditType.split.rawValue
            item?.toolTip = NSLocalizedString("Split the PDF into multiple files", comment: "")
            item?.titleName = NSLocalizedString("Split", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.left
            item?.btnAction = #selector(splitMenuAction)
            
            let menuItem = NSMenuItem.init(title: "Split", action: #selector(splitMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        } else if (identifier == KMToolbarPageEditReverseItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolPageReverse")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolPageReverse")
            item?.target = self
            item?.btnTag = KMPageEditType.reverse.rawValue
            item?.toolTip = NSLocalizedString("Reverse", comment: "")
            item?.titleName = NSLocalizedString("Reverse", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.left
            item?.btnAction = #selector(reverseMenuAction)
            
            let menuItem = NSMenuItem.init(title: "Reverse", action: #selector(reverseMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        } else if (identifier == KMToolbarPageEditDeleteItemIdentifier) {
            item?.image = NSImage(named: "KMImageNameMainToolPageDelete")
            item?.alternateImage = NSImage(named: "KMImageNameMainToolPageDelete")
            item?.target = self
            item?.btnTag = KMPageEditType.delete.rawValue
            item?.toolTip = NSLocalizedString("Delete", comment: "")
            item?.titleName = NSLocalizedString("", comment: "")
            item?.boxImagePosition = KMToolBoxImagePosition.left
            item?.btnAction = #selector(deleteMenuAction)
            
            let menuItem = NSMenuItem.init(title: "Delete", action: #selector(deleteMenuAction), target: self)
            item?.menuFormRepresentation = menuItem
        }
        
        return item
    }
}

// MARK: - KMSelectPopButtonDelegate

extension KMPDFEditToolbar: KMSelectPopButtonDelegate {
    func km_comboBoxSelectionDidChange(_ obj: KMDesignSelect) {
        guard let callback = self.itemClick else {
            return
        }
        callback(self, KMPageEditType.pageRange.rawValue)
    }
    
    func km_controlTextDidChange(_ obj: KMDesignSelect) {
        
    }
    
    func km_controlTextDidEndEditing(_ obj: KMDesignSelect) {
        guard let callback = self.pageRangeValueDidChange else {
            return
        }
        callback(self.pageRangeView?.stringValue, nil)
    }
}