PDF_Office/PDF Office/PDF Master/Class/AIInfo/AIConfigWindowController/Views/AIInfoInputView/AIInfoInputView.swift

//
//  AIInfoInputView.swift
//  PDF Reader Pro Edition
//
//  Created by Niehaoyu on 2024/4/17.
//

import Cocoa
import PDFKit

class customTextView: NSTextView {
    
    var firstResponderHandle: ((_ view: customTextView, _ isFirstResponder: Bool) -> Void)?
    
    override func becomeFirstResponder() -> Bool {
        guard let callBack = self.firstResponderHandle else {
            return super.becomeFirstResponder()
        }
        callBack(self, true)
        
        return super.becomeFirstResponder()
    }
    
    override func resignFirstResponder() -> Bool {
        guard let callBack = self.firstResponderHandle else {
            return super.resignFirstResponder()
        }
        callBack(self, false)
        
        return super.resignFirstResponder()
    }
}

protocol AIInfoInputViewDelegate: AnyObject {
    
    func ai_InputViewDidChooseCurFile(aiInputView: AIInfoInputView)
    
}


class AIInfoInputView: NSView, NibLoadable, NSTextFieldDelegate, NSTextViewDelegate {
    
    @IBOutlet weak var contendBox: NSBox!
    
    @IBOutlet weak var typeEmptyTipView: NSView!
    @IBOutlet weak var typeEmptyTipLabel: NSTextField!
    
    @IBOutlet weak var infoContendView: NSView!
    
    @IBOutlet weak var typeHeaderView: NSView!
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var titleTipBtn: KMButton!
    @IBOutlet weak var stringClearBtn: NSButton!
    
    @IBOutlet weak var chooseFileBtnView: NSView!
    @IBOutlet weak var chooseCurFileBtn: NSButton!
    @IBOutlet weak var chooseFileBtn: NSButton!
    @IBOutlet weak var chooseFileViewTopConst: NSLayoutConstraint!
    
    @IBOutlet weak var fileSizeTipView: NSView!
    @IBOutlet weak var fileSizeTipLabel: NSTextField!
    
    @IBOutlet weak var placeholdLabel: NSTextField!
    @IBOutlet weak var placeholdLabelTopConst: NSLayoutConstraint!
    
    @IBOutlet weak var fileInfoContendView: NSView!
    @IBOutlet weak var fileInfoImg: NSImageView!
    @IBOutlet weak var fileNameLabel: NSTextField!
    @IBOutlet weak var fileSizeLabel: NSTextField!
    @IBOutlet weak var filePageCountLabel: NSTextField!
    @IBOutlet weak var removeChooseFileBtn: NSButton!
    @IBOutlet weak var fileInfoViewTopConst: NSLayoutConstraint!
    
    @IBOutlet weak var textScrollView: NSScrollView!
    @IBOutlet var fileEmptyTextView: customTextView!
    @IBOutlet weak var textScrollViewTopConst: NSLayoutConstraint!
    
    
    @IBOutlet weak var inputTextCountLabel: NSTextField!
    
    @IBOutlet weak var translateConfigView: NSView!
    @IBOutlet weak var fromLanguageView: NSView!
    @IBOutlet weak var fromLanguageLabel: NSTextField!
    @IBOutlet weak var fromLanguageBtn: NSButton!
    @IBOutlet weak var toLanguageView: NSView!
    @IBOutlet weak var toLanguageLabel: NSTextField!
    @IBOutlet weak var toLanguageBtn: NSButton!
    @IBOutlet weak var translateChangeBtn: KMButton!
    
    @IBOutlet weak var startButton: NSButton!
    
    weak var aiDelegate: AIInfoInputViewDelegate?
    
    var area: NSTrackingArea?
    var popOver: NSPopover!
    
    var aiConfigType: AIConfigType = .none
    var filePath: String = ""
    var fromLanguage: String = ""
    var toLanguage: String = ""
    
    var startAIHandle: ((_ view: AIInfoInputView) -> Void)?
    
    var inputFrameUpdateHandle: ((_ view: AIInfoInputView, _ stringSize: CGSize) -> Void)?
    
    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)
        
        // Drawing code here.
    }
    
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        self.contendBox.borderWidth = 1
        self.contendBox.cornerRadius = 7
        
        self.titleLabel.font = NSFont.SFProTextSemiboldFont(13)
        
        self.titleTipBtn.mouseMoveCallback = {[unowned self] mouseEntered in
            if mouseEntered {
                var tipString = NSLocalizedString("Recommended file size: 10M or less.", comment: "")
                if self.aiConfigType == .reWriting {
                    tipString = NSLocalizedString("No more than 2000 characters.", comment: "")
                } else if self.aiConfigType == .proofreading {
                    tipString = NSLocalizedString("No more than 2000 characters.", comment: "")
                } else if self.aiConfigType == .translate {
                    tipString = NSLocalizedString("2 credit for every 10,000 characters; No more than 10M of a document. ", comment: "")
                }
                let popViewController = KMToolbarItemPopViewController.init()
                if self.popOver == nil {
                    self.popOver = NSPopover.init()
                }
                self.popOver.contentViewController = popViewController
                self.popOver.animates = false
                self.popOver.behavior = .semitransient
                self.popOver.contentSize = (popViewController.view.frame.size)
                popViewController.updateWithHelpTip(helpTip: tipString)
                
                let origin = self.titleTipBtn.superview?.convert(self.titleTipBtn.frame.origin, to: self)
                var frame = self.titleTipBtn.frame
                frame.origin.x = origin!.x + 12
                frame.origin.y = origin!.y + 20
                self.popOver.show(relativeTo: frame, of: (self.window?.contentView)!, preferredEdge: .maxY)
                
            } else {
                self.popOver.close()
            }
        }
        
        let countFormatter = TextFieldFormatter.init()
        countFormatter.setMaximumLength(2000)
        self.inputTextCountLabel.formatter = countFormatter
        self.inputTextCountLabel.delegate = self
        
        if let data = self.fileEmptyTextView.enclosingScrollView?.contentView, data.bounds.equalTo(.zero) == false {
            self.fileEmptyTextView.frame = data.bounds
        }
        self.fileEmptyTextView.font = NSFont.SFProTextRegularFont(14)
        self.fileEmptyTextView.delegate = self
        self.fileEmptyTextView.firstResponderHandle = {[unowned self] view, isFirstResponder in
            if isFirstResponder {
                if self.fileSizeTipView.isHidden == false {
                    self.fileSizeTipView.isHidden = true
                    NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(hideFileSizeTipView), object: nil)
                }
            }
        }
        
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.setUpTranslateUI()
        }
        
        self.fileSizeTipView.isHidden = true
        self.fileSizeTipView.wantsLayer = true
        self.fileSizeTipLabel.font = NSFont.SFProTextRegularFont(12)
        self.fileSizeTipLabel.textColor = KMAppearance.KMColor_Layout_H0()
        self.fileSizeTipLabel.stringValue = NSLocalizedString("Please upload a file smaller than 10M.", comment: "")
        self.fileSizeTipView.layer?.cornerRadius = 2
        self.fileSizeTipView.layer?.masksToBounds = true
        
        self.fileInfoContendView.wantsLayer = true
        self.fileInfoContendView.layer?.cornerRadius = 6
        self.fileInfoContendView.layer?.masksToBounds = true
        
        self.translateConfigView.wantsLayer = true
        self.translateConfigView.layer?.backgroundColor = NSColor.clear.cgColor
        
        self.typeEmptyTipLabel.stringValue = NSLocalizedString("Select the AI tool", comment: "")
        
        self.chooseCurFileBtn.title = NSLocalizedString("Current File", comment: "")
        self.chooseFileBtn.title = NSLocalizedString("Choose", comment: "")
        
        self.translateChangeBtn.mouseMoveCallback = {[weak self] mouseEntered in
            if mouseEntered {
                self?.translateChangeBtn.image = NSImage(named: "AIchange_hover")
            } else {
                self?.translateChangeBtn.image = NSImage(named: "AIchange")
            }
        }
        
        self.updateCountLabelInfo()
        
    }
    
    override func updateTrackingAreas() {
        super.updateTrackingAreas()

        if let _area = self.area, _area.rect.isEmpty == false {
            if (_area.rect.equalTo(self.bounds)) {
                return
            }
        }
        
        if (self.area != nil) {
            self.removeTrackingArea(self.area!)
            self.area = nil
        }
        
        self.area = NSTrackingArea(rect: self.bounds, options: [.mouseEnteredAndExited, .mouseMoved, .activeAlways], owner: self)
        self.addTrackingArea(self.area!)
    }
    
    func setUpTranslateUI() {
        
        var languages = ["Automatic", "English", "Simplified Chinese", "Traditional Chinese", "Japanese", "Korean", "French", "Spanish", "Italian", "German", "Portuguese", "Russian", "Vietnamese", "Thai", "Arabic", "Greek", "Bulgarian", "Finnish", "Slovene", "Dutch", "Czech", "Swedish", "Polish", "Danish", "Romanian", "Hungarian"]
        let menu = NSMenu.init()
        for idx in 0...languages.count-1 {
            let string = languages[idx]
            let menuItem = NSMenuItem.init(title: string, action: #selector(menuItemClick(_:)), keyEquivalent: "")
            menuItem.tag = 1000 + idx
            menuItem.target = self
            menu.addItem(menuItem)
        }
        self.fromLanguageView?.menu = menu
        self.fromLanguage = "Automatic"
        
        languages = ["English", "Simplified Chinese", "Traditional Chinese", "Japanese", "Korean", "French", "Spanish", "Italian", "German", "Portuguese", "Russian", "Vietnamese", "Thai", "Arabic", "Greek", "Bulgarian", "Finnish", "Slovene", "Dutch", "Czech", "Swedish", "Polish", "Danish", "Romanian", "Hungarian"]
        let toMenu = NSMenu.init()
        for idx in 0...languages.count-1 {
            let string = languages[idx]
            let menuItem = NSMenuItem.init(title: string, action: #selector(menuItemClick(_:)), keyEquivalent: "")
            menuItem.tag = 3000 + idx
            menuItem.target = self
            toMenu.addItem(menuItem)
        }
        self.toLanguageView?.menu = toMenu
        self.toLanguage = "English"
        
        self.fromLanguageLabel.font = NSFont.SFProTextRegularFont(13)
        self.toLanguageLabel.font = NSFont.SFProTextRegularFont(13)
        self.fromLanguageLabel.textColor = KMAppearance.KMColor_Layout_H0()
        self.toLanguageLabel.textColor = KMAppearance.KMColor_Layout_H0()
        
        self.fromLanguageLabel.stringValue = self.fromLanguage
        self.toLanguageLabel.stringValue = self.toLanguage
        
        
    }
    
    func aiFunctionTypeChanged() {
        self.refreshStringSize()
    }
    
    func reloadData() {
        if AIChatInfoManager.defaultManager.currentFilePath.isEmpty || AIChatInfoManager.defaultManager.isAILoading {
            self.chooseCurFileBtn.isEnabled = false
        } else {
            self.chooseCurFileBtn.isEnabled = true
        }
        
        if AIChatInfoManager.defaultManager.isAILoading {
            self.chooseFileBtn.isEnabled = false
        } else {
            self.chooseFileBtn.isEnabled = true
        }
        
        self.startButton.title = NSLocalizedString("Start (1 credit)", comment: "")
        if self.aiConfigType == .none {
            self.typeEmptyTipView.isHidden = false
            self.infoContendView.isHidden = true
        } else {
            self.typeEmptyTipView.isHidden = true
            self.infoContendView.isHidden = false
            
            self.chooseFileBtnView.isHidden = true
            self.inputTextCountLabel.isHidden = false
            self.placeholdLabel.isHidden = true
            self.textScrollView.isHidden = true
            self.translateConfigView.isHidden = true
            self.fileInfoContendView.isHidden = true
            self.removeChooseFileBtn.isHidden = true
            
            self.startButton.isEnabled = false
            self.placeholdLabelTopConst.constant = -2
            self.chooseFileViewTopConst.constant = 0
            self.textScrollViewTopConst.constant = 0
            self.fileInfoViewTopConst.constant = 8
            
            self.stringClearBtn.isHidden = true
            if self.fileEmptyTextView.string.isEmpty == false {
                self.stringClearBtn.isHidden = false
            }
            
            if self.aiConfigType == .summarize {
                self.inputTextCountLabel.isHidden = true
                self.placeholdLabel.isHidden = false
                self.chooseFileBtnView.isHidden = false
                self.placeholdLabel.stringValue = NSLocalizedString("Summarize the current file or click choose other files.", comment: "")
                self.placeholdLabelTopConst.constant = NSHeight(self.chooseFileBtnView.frame) + 4
                
                if self.filePath.isEmpty == false {
                    self.fileInfoContendView.isHidden = false
                    self.placeholdLabel.isHidden = true
                    
                    let filePathURL = URL(fileURLWithPath: self.filePath)
                    self.fileNameLabel.stringValue = filePathURL.lastPathComponent
                    self.fileSizeLabel.stringValue = self.fileSizeString(Float(self.getFileSize(atPath: self.filePath)))
                    if let document = PDFDocument(url: URL(fileURLWithPath: filePath)) {
                        self.filePageCountLabel.stringValue = String(format: "%d ", document.pageCount) + NSLocalizedString("Page", comment: "")
                        if document.pageCount > 1 {
                            self.filePageCountLabel.stringValue = String(format: "%d ", document.pageCount) + NSLocalizedString("Pages", comment: "")
                        }
                    } else {
                        self.filePageCountLabel.stringValue = ""
                    }
                    self.startButton.isEnabled = true
                }
                
            } else if self.aiConfigType == .reWriting {
                self.textScrollView.isHidden = false
                self.placeholdLabel.isHidden = false
                if self.fileEmptyTextView.string.isEmpty == false {
                    self.placeholdLabel.isHidden = true
                    self.startButton.isEnabled = true
                }
                self.placeholdLabel.stringValue = NSLocalizedString("Enter or paste content here...", comment: "")
                
            } else if self.aiConfigType == .proofreading {
                self.textScrollView.isHidden = false
                self.placeholdLabel.isHidden = false
                if self.fileEmptyTextView.string.isEmpty == false {
                    self.placeholdLabel.isHidden = true
                    self.startButton.isEnabled = true
                }
                self.placeholdLabel.stringValue = NSLocalizedString("Enter or paste content here...", comment: "")
                
            } else if self.aiConfigType == .translate {
                self.textScrollView.isHidden = false
                self.translateConfigView.isHidden = false
                self.chooseFileBtnView.isHidden = false
                self.chooseFileViewTopConst.constant = 30
                self.placeholdLabel.isHidden = false
                self.placeholdLabelTopConst.constant = 58
                self.textScrollViewTopConst.constant = 58
                
                self.placeholdLabel.stringValue = NSLocalizedString("Enter or paste content here...", comment: "")
                
                if self.filePath.isEmpty == false {
                    self.startButton.title = NSLocalizedString("Start", comment: "")
                    self.fileEmptyTextView.string = ""
                    self.fileInfoContendView.isHidden = false
                    self.placeholdLabel.isHidden = true
                    self.inputTextCountLabel.isHidden = true
                    
                    self.fileInfoViewTopConst.constant = 8
                    
                    let filePathURL = URL(fileURLWithPath: self.filePath)
                    self.fileNameLabel.stringValue = filePathURL.lastPathComponent
                    self.fileSizeLabel.stringValue = self.fileSizeString(Float(self.getFileSize(atPath: self.filePath)))
                    
                    if let document = PDFDocument(url: URL(fileURLWithPath: filePath)) {
                        self.filePageCountLabel.stringValue = String(format: "%d ", document.pageCount) + NSLocalizedString("Page", comment: "")
                        if document.pageCount > 1 {
                            self.filePageCountLabel.stringValue = String(format: "%d ", document.pageCount) + NSLocalizedString("Pages", comment: "")
                        }
                    } else {
                        self.filePageCountLabel.stringValue = ""
                    }
                    self.startButton.isEnabled = true
                    
                } else {
                    self.startButton.title = NSLocalizedString("Start (1 credit)", comment: "")
                    self.textScrollView.isHidden = false
                    if self.fileEmptyTextView.string.isEmpty {
                        self.placeholdLabel.isHidden = false
                        self.startButton.isEnabled = false
                    } else {
                        self.placeholdLabel.isHidden = true
                        self.startButton.isEnabled = true
                        
                    }
                    
                }
            }
            
        }
        
        
        self.refreshUI()
    }
    
    func refreshUI() {
        if KMAppearance.isDarkMode() {
            self.titleLabel.textColor = NSColor.white
            self.contendBox.fillColor = NSColor.white.withAlphaComponent(0.05)
            self.contendBox.borderColor = KMAppearance.KMColor_Interactive_M0().withAlphaComponent(1)
            self.fileSizeTipView.layer?.backgroundColor = NSColor(red: 251/255, green: 166/255, blue: 0, alpha: 1).cgColor
            
            self.typeEmptyTipLabel.textColor = KMAppearance.KMColor_Interactive_S1()
            self.placeholdLabel.textColor = KMAppearance.KMColor_Interactive_S1()
            self.toLanguageView.layer?.backgroundColor = NSColor(red: 110/255, green: 109/255, blue: 112/255, alpha: 1).cgColor
            self.fromLanguageView.layer?.backgroundColor = NSColor(red: 110/255, green: 109/255, blue: 112/255, alpha: 1).cgColor
            
        } else {
            self.titleLabel.textColor = NSColor.black
            self.contendBox.borderColor = NSColor(red: 201/255, green: 218/255, blue: 247/255, alpha: 1)
            self.fileSizeTipView.layer?.backgroundColor = NSColor(red: 253/255, green: 239/255, blue: 212/255, alpha: 1).cgColor
            
            self.typeEmptyTipLabel.textColor = KMAppearance.KMColor_Layout_B30()
            self.placeholdLabel.textColor = KMAppearance.KMColor_Layout_B30()
            
            self.toLanguageView.layer?.backgroundColor = NSColor(red: 236/255, green: 242/255, blue: 254/255, alpha: 1).cgColor
            self.fromLanguageView.layer?.backgroundColor = NSColor(red: 236/255, green: 242/255, blue: 254/255, alpha: 1).cgColor
        }
        
        
        if self.aiConfigType == .summarize {
            self.titleLabel.stringValue = "#" + NSLocalizedString("AI Summarize", comment: "")
            if KMAppearance.isDarkMode() {
                self.titleLabel.textColor = NSColor(red: 85/255, green: 245/255, blue: 1, alpha: 1)
            } else {
                self.titleLabel.textColor = NSColor(red: 0, green: 209/255, blue: 222/255, alpha: 1)
            }
        } else if self.aiConfigType == .reWriting {
            self.titleLabel.stringValue = "#" + NSLocalizedString("AI Rewrite", comment: "")
            if KMAppearance.isDarkMode() {
                self.titleLabel.textColor = NSColor(red: 255/255, green: 105/255, blue: 195/255, alpha: 1)
            } else {
                self.titleLabel.textColor = NSColor(red: 240/255, green: 28/255, blue: 155/255, alpha: 1)
            }
        } else if self.aiConfigType == .proofreading {
            self.titleLabel.stringValue = "#" + NSLocalizedString("AI Proofread", comment: "")
            if KMAppearance.isDarkMode() {
                self.titleLabel.textColor = NSColor(red: 194/255, green: 157/255, blue: 1, alpha: 1)
            } else {
                self.titleLabel.textColor = NSColor(red: 108/255, green: 28/255, blue: 240/255, alpha: 1)
            }
        } else if self.aiConfigType == .translate {
            self.titleLabel.stringValue = "#" + NSLocalizedString("AI Translate", comment: "")
            if KMAppearance.isDarkMode() {
                self.titleLabel.textColor = NSColor(red: 255/255, green: 152/255, blue: 77/255, alpha: 1)
            } else {
                self.titleLabel.textColor = NSColor(red: 240/255, green: 101/255, blue: 0, alpha: 1)
            }
        }
        
        self.placeholdLabel.font = NSFont.SFProTextRegularFont(14)
        
        self.fromLanguageView.wantsLayer = true
        self.toLanguageView.wantsLayer = true
        
    }
    
    func updateCountLabelInfo() {
        
        self.inputTextCountLabel.stringValue = String(format: "%ld", self.fileEmptyTextView.string.count) + "/2000"
        if self.fileEmptyTextView.string.count == 2000 {
            self.inputTextCountLabel.textColor = KMAppearance.KMColor_Status_Err()
        } else {
            if KMAppearance.isDarkMode() {
                self.inputTextCountLabel.textColor = KMAppearance.KMColor_Layout_W30()
            } else {
                self.inputTextCountLabel.textColor = KMAppearance.KMColor_Layout_B30()
            }
        }
    }
    
    func getFileSize(atPath filePath : String) -> CGFloat {
        guard let dict = try? FileManager.default.attributesOfItem(atPath: filePath) as NSDictionary else {
            return 0
        }
        return CGFloat(dict.fileSize())
    }
    
    func fileSizeString(_ fSize: Float) -> String {
        let fileSize = fSize / 1024
        let size = fileSize >= 1024 ? (fileSize < 1048576 ? fileSize/1024 : fileSize/1048576.0) : fileSize
        let unit = fileSize >= 1024 ? (fileSize < 1048576 ? "M" : "G") : "K"
        return String(format: "%0.1f %@", size, unit)
    }
    
    @objc func hideFileSizeTipView() {
        self.fileSizeTipView.isHidden = true
    }
    
    //MARK: IBAction
    
    @objc func menuItemClick(_ item: NSMenuItem) {
        if item.tag < 2000 {
            self.fromLanguage = item.title
        } else {
            self.toLanguage = item.title
        }
        self.fromLanguageLabel.stringValue = self.fromLanguage
        self.toLanguageLabel.stringValue = self.toLanguage
    }
    
    @IBAction func chooseCurFileAction(_ sender: Any) {
        
        self.aiDelegate?.ai_InputViewDidChooseCurFile(aiInputView: self)
        
        
        self.fileSizeTipView.isHidden = true
        
        let curFilePath = AIChatInfoManager.defaultManager.currentFilePath
        let fileSize = self.getFileSize(atPath: curFilePath)
        if fileSize/(1024*1024) > 10 {
            self.fileSizeTipView.isHidden = false
            
            NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(hideFileSizeTipView), object: nil)
        
            self.perform(#selector(hideFileSizeTipView), with: nil, afterDelay: 5)
            
            self.filePath = ""
            self.fileEmptyTextView.string = ""
            self.reloadData()
        } else {
            self.filePath = curFilePath
            self.fileEmptyTextView.string = ""
            self.reloadData()
        }
        self.mouseEntered(with: NSEvent())
    }
    
    
    @IBAction func summaryUploadAction(_ sender: NSButton) {
        self.fileSizeTipView.isHidden = true
        
        let openPanel = NSOpenPanel()
        openPanel.canChooseDirectories = false
        openPanel.canChooseFiles = true
        openPanel.allowsMultipleSelection = false;
        openPanel.allowedFileTypes = ["pdf","PDF"]
        openPanel.beginSheetModal(for: self.window!) { [self] result in
            if result == .OK {
                let fileURL = openPanel.urls.first
                let fileSize = self.getFileSize(atPath: fileURL!.path)
                
                if fileSize/(1024*1024) > 10 {
                    self.fileSizeTipView.isHidden = false
                    
                    NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(hideFileSizeTipView), object: nil)
                    
                    self.perform(#selector(hideFileSizeTipView), with: nil, afterDelay: 5)
                    
                    self.filePath = ""
                    self.fileEmptyTextView.string = ""
                    self.reloadData()
                } else {
                    self.filePath = fileURL!.path
                    self.fileEmptyTextView.string = ""
                    self.reloadData()
                }
            }
        }
    }
    
    @IBAction func chooseLanguageAction(_ sender: NSButton) {
        if sender == self.fromLanguageBtn {
            let menu = self.fromLanguageView?.menu
            menu?.popUp(positioning: menu?.item(at: 0), at: CGPoint(x: 0, y: 15), in: sender)
        } else if sender == self.toLanguageBtn {
            let menu = self.toLanguageView?.menu
            menu?.popUp(positioning: menu?.item(at: 0), at: CGPoint(x: 0, y: 15), in: sender)
        }
    }
    
    @IBAction func languageChangeAction(_ sender: Any) {
        let curLan = self.fromLanguage
        self.fromLanguage = self.toLanguage
        self.toLanguage = curLan
        
        self.fromLanguageLabel.stringValue = self.fromLanguage
        self.toLanguageLabel.stringValue = self.toLanguage
    }
    
    @IBAction func removeChooseFile(_ sender: NSButton) {
        if self.aiConfigType == .summarize ||
            self.aiConfigType == .translate {
                
            self.filePath = ""
            self.reloadData()
            self.updateCountLabelInfo()
                
            
        }
    }
    
    @IBAction func clearInputStringAction(_ sender: Any) {
        self.fileEmptyTextView.string = ""
        self.reloadData()
        
    }
    
    @IBAction func startAIAction(_ sender: NSButton) {
        let newStatus: Bool = KMCloudServer.isConnectionAvailable()
        if !newStatus {
            let alert = NSAlert()
            alert.alertStyle = .critical
            alert.messageText = NSLocalizedString("Please make sure your internet connection is available.", comment: "")
            alert.runModal()
            return
        }
        
        guard let callBack = self.startAIHandle else {
            return
        }
        callBack(self)
        
        if self.aiConfigType == .summarize {
            self.filePath = ""
        } else if self.aiConfigType == .reWriting {
            self.fileEmptyTextView.string = ""
        } else if self.aiConfigType == .proofreading {
            self.fileEmptyTextView.string = ""
        } else if self.aiConfigType == .translate {
            self.filePath = ""
            self.fileEmptyTextView.string = ""
        }
        
        self.reloadData()
        
        self.updateCountLabelInfo()
        
        self.refreshStringSize()
        
    }
    
    func sizeOfString(_ string: String, _ font: NSFont) -> (CGSize) {
        let attributes: [NSAttributedString.Key: Any] = [
            .font: font
        ]
        let size = (string as NSString).boundingRect(with: NSSize(width: NSWidth(self.textScrollView.frame), height: CGFloat(MAXFLOAT)),
                                                     options: .usesLineFragmentOrigin,
                                                     attributes: attributes,
                                                     context: nil).size
        return size
    }
    
    func refreshStringSize() {
        var size = self.sizeOfString(self.fileEmptyTextView.string, self.fileEmptyTextView.font!)
        if self.aiConfigType == .summarize {
            if self.filePath.isEmpty == true {
                size = self.sizeOfString(self.placeholdLabel.stringValue, self.placeholdLabel.font!)
            }
        }
        
        guard let callBack = self.inputFrameUpdateHandle else {
            return
        }
        callBack(self, size)
    }
    
    //MARK: Deletegate
    func textShouldBeginEditing(_ textObject: NSText) -> Bool {
        print("textShouldBeginEditing")
        return true
    }
    
    func textDidChange(_ notification: Notification) {
        if let textView = notification.object as? NSTextView, textView == self.fileEmptyTextView {
            // 获取文本字段的当前字符数
            let currentText = textView.string
            let currentCount = currentText.count
            
            // 如果超过最大字符数，将文本截断为最大字符数，并设置回文本字段
            if currentCount > 2000 {
                let endIndex = currentText.index(currentText.startIndex, offsetBy: 2000)
                let truncatedText = String(currentText[..<endIndex])
                textView.string = truncatedText
            }
            
            self.refreshStringSize()
           
        }
        
        if self.aiConfigType == .reWriting {
            if self.fileEmptyTextView.string.isEmpty {
                self.placeholdLabel.isHidden = false
                self.startButton.isEnabled = false
            } else {
                self.placeholdLabel.isHidden = true
                self.startButton.isEnabled = true
            }
        } else if self.aiConfigType == .proofreading {
            if self.fileEmptyTextView.string.isEmpty {
                self.placeholdLabel.isHidden = false
                self.startButton.isEnabled = false
            } else {
                self.placeholdLabel.isHidden = true
                self.startButton.isEnabled = true
            }
        } else if self.aiConfigType == .translate {
            if self.fileEmptyTextView.string.isEmpty {
                self.placeholdLabel.isHidden = false
                self.startButton.isEnabled = false
            } else {
                self.placeholdLabel.isHidden = true
                self.startButton.isEnabled = true
            }
        }
        
        self.updateCountLabelInfo()
        
        self.stringClearBtn.isHidden = true
        if self.fileEmptyTextView.string.isEmpty == false {
            self.stringClearBtn.isHidden = false
        }
        
    }
    
    //MARK: MouseEvent
    override func mouseEntered(with event: NSEvent) {
        super.mouseEntered(with: event)
        
        if self.filePath.isEmpty == false {
            self.removeChooseFileBtn.isHidden = false
            if KMAppearance.isDarkMode() {
                self.fileInfoContendView.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.05).cgColor
            } else {
                self.fileInfoContendView.layer?.backgroundColor = NSColor.black.withAlphaComponent(0.05).cgColor
            }
        } else {
            self.fileInfoContendView.layer?.backgroundColor = NSColor.clear.cgColor
        }
    }
    
    override func mouseExited(with event: NSEvent) {
        super.mouseExited(with: event)
        
        self.removeChooseFileBtn.isHidden = true
        self.fileInfoContendView.layer?.backgroundColor = NSColor.clear.cgColor
    }
    
    override func mouseMoved(with event: NSEvent) {
        super.mouseMoved(with: event)
        
    }
    
    override func mouseDown(with event: NSEvent) {
        super.mouseDown(with: event)
        
        self.fileSizeTipView.isHidden = true
        NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(hideFileSizeTipView), object: nil)

    }
}