//
//  KMLongerButton.swift
//  PDF Reader Pro
//
//  Created by kdanmobile on 2023/10/26.
//

import Cocoa

class KMLongerButton: NSButton,KMCustomButtonPopMenuViewControllerDelegate,KMCustomButtonPopMenuViewControllerDataSources,NSPopoverDelegate{
    weak var containerViewController: KMBatchOperateLeftViewController?
    var isImageToPDF = false
    var popOver: NSPopover?
    var buttonLayer: CALayer?
    
    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)
    }
    
    override var intrinsicContentSize: NSSize {
        var size = super.intrinsicContentSize 
        size.width += 20
        return size
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        self.newTrackingArea()
        self.wantsLayer = true
        self.buttonLayer = CALayer()
        self.layer?.addSublayer(self.buttonLayer!)
        self.buttonLayer?.frame = CGRect(x: 0, y: 0, width: NSWidth(self.bounds), height: NSHeight(self.bounds))
        self.buttonLayer?.backgroundColor = KMAppearance.KM_000000_Color5DarkChange01().cgColor
        self.buttonLayer?.cornerRadius = 1
        self.buttonLayer?.isHidden = true
    }
    
   func newTrackingArea() {
        let trackingArea = NSTrackingArea(rect: self.bounds, options: [.mouseEnteredAndExited, .inVisibleRect, .activeAlways], owner: self, userInfo: nil)
        self.addTrackingArea(trackingArea)
    }
    func showPop(sender: NSView) {
        let menuViewController = KMCustomButtonPopMenuViewController()
        menuViewController.delegate = self
        menuViewController.dataSources = self
        self.popOver = NSPopover()
        self.popOver?.delegate = self
        self.popOver?.contentViewController = menuViewController
        self.popOver?.animates = false
        self.popOver?.behavior = .semitransient
        self.popOver?.contentSize = menuViewController.view.frame.size
        var sourcesRect = sender.bounds
        sourcesRect = sender.convert(sourcesRect, to: nil)
        sourcesRect.origin.y -= 20
        sourcesRect.size.height += 20
        self.window?.popover = self.popOver
        self.window?.sourcesRect = sourcesRect
        
        self.popOver?.show(relativeTo: self.bounds.insetBy(dx: 0, dy: 5), of: self, preferredEdge: .maxY)
    }
    func closePop() {
        popOver?.close() 
        popOver = nil
        window?.popover = nil
    }
    override func mouseEntered(with event: NSEvent) {
        super.mouseEntered(with: event)
        self.showPop(sender: self)
        self.buttonLayer?.isHidden = false
    }
    override func mouseExited(with event: NSEvent) {
        super.mouseExited(with: event)
        self.buttonLayer?.isHidden = true
    }
    override func mouseDown(with event: NSEvent) {
        super.mouseDown(with: event)
    }
    override func mouseUp(with event: NSEvent) {
        super.mouseUp(with: event)
    }
    func customViewButtonPopDidSelectIndex(_ index: Int) {
        self.closePop()
        if isImageToPDF {
            if index == 0 {
                containerViewController?.chooseFile()
            } else if index == 1 {
                containerViewController?.chooseFileFromCamera()
            } else {
                containerViewController?.chooseFileFromScanner()
            }
        } else {
            if index == 0 {
                containerViewController?.chooseFile()
            } else {
                containerViewController?.addOpendFile()
            }
        }
    }
    
    func numberOfLine() -> Int {
        if (self.isImageToPDF) {
            return 3;
        } else {
            return 2;
        }
    }
    
    func stringForLine(at index: Int) -> String? {
        if self.isImageToPDF {
            let arr = [String.localizedStringWithFormat(NSLocalizedString("Import From %@", comment: ""), NSLocalizedString("My Mac", comment: "")), NSLocalizedString("Import From Camera", comment: ""), NSLocalizedString("Import From Scanner", comment: "")]
            return arr[index]
        } else {
            let arr = [NSLocalizedString("Select Files", comment: ""), NSLocalizedString("Add Recent Files", comment: "")]
            return arr[index]
        }
    }
    
    func needInsertSeperateLine(at index: Int) -> Bool {
        return false
    }
    
    func needHightLightLine(at index: Int) -> Bool {
        return false
    }
    
    func itemEnable(at index: Int) -> Bool {
        if self.isImageToPDF {
            return true
        } else {
            if index == 0 {
                return true
            } else {
                var hasOpenPDF = false
                let documentArray = NSDocumentController.shared.documents
                for i in 0..<documentArray.count {
                    let document = documentArray[i]
                    let path = document.fileURL?.path
                    if path == nil {
                        return false
                    }
                    let UTTypeString = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, path!.customPathExtension as CFString, nil)?.takeRetainedValue() as String?
                    let TypeCFString = UTTypeString as CFString?
                    if UTTypeConformsTo(TypeCFString!, kUTTypePDF) {
                        hasOpenPDF = true
                        break
                    }
                }
                
                return hasOpenPDF
            }
        }
    }
    
}