//
//  KMScreenShotMaskView.swift
//  PDF Reader Pro
//
//  Created by liujiajie on 2024/1/24.
//

import Foundation

typealias captureScreenCallBack = (_ ima: NSImage?) -> ()
typealias updateFrameCallBack = (_ rect: NSRect) -> ()
typealias detachEventInEditViewCallBack = (_ event: NSEvent) -> ()

@objc enum KMScreenShotRectEditViewPositionType: Int {
    case None = 0
    case Top
    case Left
    case Bottom
    case Right
    case LeftUp
    case LeftLower
    case RightUp
    case RightLower
}

let KMScreenLineLength: CGFloat = 4//线长
let KMScreenSpaceLength: CGFloat = 1//空格长
let KMScreenLineWidth: CGFloat = 2//线宽
let KMScreenSizeLableFont: CGFloat = 12//尺寸字体大小
let KMScreenDetectLength: CGFloat = 4//选取rect之后边界线探测区域
let KMScreenHoleMinWidthAndHeight: CGFloat = 40

class KMScreenShotMaskView: NSView{
    var callBack: captureScreenCallBack?
    var frameCallBack: updateFrameCallBack?
    var detachCallBack: detachEventInEditViewCallBack?
    var holeDragMode = false
    var borderFrame: NSRect = .zero
    var iswindowCapture = false
    
    var topView: NSView!
    var leftView: NSView!
    var bottomView: NSView!
    var rightView: NSView!
    var windowMaskView: NSView!
    var sizeLabel: NSTextField!
    
    var localMonitor: Any?
    var globalMonitor: Any?
    var dragStartPoint: CGPoint = .zero
    var dragLastPoint: CGPoint = .zero
    var editingRect = false
    var positionType: KMScreenShotRectEditViewPositionType = .None
    var needborderFlag = false
    var pullXGap: Float = 0
    var pullYGap: Float = 0
    
    override func awakeFromNib() {
        super.awakeFromNib()
        topView = NSView(frame: CGRect.zero)
        leftView = NSView(frame: CGRect.zero)
        bottomView = NSView(frame: CGRect.zero)
        rightView = NSView(frame: CGRect.zero)
        windowMaskView = NSView(frame: CGRect.zero)
        sizeLabel = NSTextField(frame: CGRect(x: 0, y: 0, width: 0, height: 0))
        sizeLabel.font = NSFont.systemFont(ofSize: CGFloat(KMScreenSizeLableFont))
        sizeLabel.textColor = NSColor.black
        sizeLabel.backgroundColor = NSColor.clear
        sizeLabel.isEnabled = false
        sizeLabel.isSelectable = false
        sizeLabel.isBordered = false
        sizeLabel.alignment = .right
        
        addSubview(topView)
        addSubview(leftView)
        addSubview(bottomView)
        addSubview(rightView)
        addSubview(sizeLabel)
        addSubview(windowMaskView)
        
        topView.wantsLayer = true
        leftView.wantsLayer = true
        bottomView.wantsLayer = true
        rightView.wantsLayer = true
        windowMaskView.wantsLayer = true
        
        topView.layer?.backgroundColor = NSColor.black.cgColor
        leftView.layer?.backgroundColor = NSColor.black.cgColor
        bottomView.layer?.backgroundColor = NSColor.black.cgColor
        rightView.layer?.backgroundColor = NSColor.black.cgColor
        windowMaskView.layer?.backgroundColor = NSColor.clear.cgColor
        
        topView.alphaValue = 0.3
        leftView.alphaValue = 0.3
        bottomView.alphaValue = 0.3
        rightView.alphaValue = 0.3
        
        needborderFlag = true
    }
    
    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)
        if !needborderFlag {
            return
        }
        if !editingRect {
            return
        }
        
        guard let myContext = NSGraphicsContext.current?.cgContext else {
            return
        }
        
        if iswindowCapture {
            return
        }
        
        myContext.setFillColor(NSColor.red.cgColor)
        
        myContext.addArc(center: CGPoint(x: borderFrame.minX, y: borderFrame.minY),
                         radius: CGFloat(KMScreenDetectLength),
                         startAngle: CGFloat(0),
                         endAngle: CGFloat(Double.pi * 2),
                         clockwise: true)
        myContext.drawPath(using: .fill)
        
        myContext.addArc(center: CGPoint(x: borderFrame.midX, y: borderFrame.minY),
                         radius: CGFloat(KMScreenDetectLength),
                         startAngle: CGFloat(0),
                         endAngle: CGFloat(Double.pi * 2),
                         clockwise: true)
        myContext.drawPath(using: .fill)
        
        myContext.addArc(center: CGPoint(x: borderFrame.maxX, y: borderFrame.minY),
                         radius: CGFloat(KMScreenDetectLength),
                         startAngle: CGFloat(0),
                         endAngle: CGFloat(Double.pi * 2),
                         clockwise: true)
        myContext.drawPath(using: .fill)
        
        myContext.addArc(center: CGPoint(x: borderFrame.maxX, y: borderFrame.midY),
                         radius: CGFloat(KMScreenDetectLength),
                         startAngle: CGFloat(0),
                         endAngle: CGFloat(Double.pi * 2),
                         clockwise: true)
        myContext.drawPath(using: .fill)
        
        myContext.addArc(center: CGPoint(x: borderFrame.maxX, y: borderFrame.maxY),
                         radius: CGFloat(KMScreenDetectLength),
                         startAngle: CGFloat(0),
                         endAngle: CGFloat(Double.pi * 2),
                         clockwise: true)
        myContext.drawPath(using: .fill)
        
        myContext.addArc(center: CGPoint(x: borderFrame.midX, y: borderFrame.maxY),
                         radius: CGFloat(KMScreenDetectLength),
                         startAngle: CGFloat(0),
                         endAngle: CGFloat(Double.pi * 2),
                         clockwise: true)
        myContext.drawPath(using: .fill)
        
        myContext.addArc(center: CGPoint(x: borderFrame.minX, y: borderFrame.maxY),
                         radius: CGFloat(KMScreenDetectLength),
                         startAngle: CGFloat(0),
                         endAngle: CGFloat(Double.pi * 2),
                         clockwise: true)
        myContext.drawPath(using: .fill)
        
        myContext.addArc(center: CGPoint(x: borderFrame.minX, y: borderFrame.midY),
                         radius: CGFloat(KMScreenDetectLength),
                         startAngle: CGFloat(0),
                         endAngle: CGFloat(Double.pi * 2),
                         clockwise: true)
        myContext.drawPath(using: .fill)
    }
    func updateSubViewFrame(withHoleRect holeRect: NSRect) {
        let topViewOriginalX: CGFloat = 0
        let topViewOriginalY: CGFloat = min(holeRect.maxY, frame.maxY)
        let topViewWidth = frame.size.width
        let topViewHeight = holeRect.maxY > frame.maxY ? 0 : frame.maxY - holeRect.maxY
        topView.frame = CGRect(x: topViewOriginalX, y: topViewOriginalY, width: topViewWidth, height: topViewHeight)
        let originalY = holeRect.origin.y
        var leftRightHeight: CGFloat
        if originalY > 0 {
            leftRightHeight = holeRect.size.height
        } else {
            leftRightHeight = holeRect.size.height - abs(holeRect.origin.y)
        }
        let leftViewOriginalX: CGFloat = 0
        let leftViewOriginalY: CGFloat = max(holeRect.minY, 0)
        let leftViewWidth = max(0, holeRect.minX)
        let leftViewHeight = leftRightHeight
        leftView.frame = CGRect(x: leftViewOriginalX, y: leftViewOriginalY, width: leftViewWidth, height: leftViewHeight)
        
        let bottomViewOriginalX: CGFloat = 0
        let bottomViewOriginalY: CGFloat = 0
        let bottomViewWidth = frame.size.width
        let bottomViewHeight = max(holeRect.minY, 0)
        bottomView.frame = CGRect(x: bottomViewOriginalX, y: bottomViewOriginalY, width: bottomViewWidth, height: bottomViewHeight)
        
        let rightViewOriginalX = min(holeRect.maxX, frame.maxX)
        let rightViewOriginalY = max(holeRect.minY, 0)
        let rightViewWidth = holeRect.maxX > frame.maxX ? 0 : frame.maxX - holeRect.maxX
        let rightViewHeight = leftRightHeight
        rightView.frame = CGRect(x: rightViewOriginalX, y: rightViewOriginalY, width: rightViewWidth, height: rightViewHeight)
    }
    func windowForEvent(_ event: NSEvent) -> CGWindowID { 
        return CGWindowID(NSWindow.windowNumber(at: KMScreenShotHandler.screenPosition(for: event), belowWindowWithWindowNumber: self.window!.windowNumber))
    }
    func beginEditSelectArea(_ editFrame: NSRect) { 
        self.editingRect = true
    }
    
    func changeCursorTypeWithEvent(_ result: NSEvent) {
        let point = KMScreenShotHandler.screenPosition(for: result)
        self.positionType = self.calulateCurrentPositionType(point)
        switch self.positionType {
        case .None:
            NSCursor.arrow.set()
        case .Top:
            NSCursor.resizeUpDown.set()
        case .Left:
            NSCursor.resizeLeftRight.set()
        case .Bottom:
            NSCursor.resizeUpDown.set()
        case .Right:
            NSCursor.resizeLeftRight.set()
        case .LeftUp:
            NSCursor.crosshair.set()
        case .LeftLower:
            NSCursor.crosshair.set()
        case .RightUp:
            NSCursor.crosshair.set()
        case .RightLower:
            NSCursor.crosshair.set()
        default:
            break
        }
    }
    func calulateCurrentPositionType(_ point: NSPoint) -> KMScreenShotRectEditViewPositionType {
        var type: KMScreenShotRectEditViewPositionType = .None
        let topYMin = NSMaxY(self.borderFrame) - CGFloat(KMScreenDetectLength)
        let topYMax = NSMaxY(self.borderFrame) + CGFloat(KMScreenDetectLength)
        let leftXMin = NSMinX(self.borderFrame) - CGFloat(KMScreenDetectLength)
        let leftXMax = NSMinX(self.borderFrame) + CGFloat(KMScreenDetectLength)
        
        let bottomYMin = NSMinY(self.borderFrame) - CGFloat(KMScreenDetectLength)
        let bottomYMax = NSMinY(self.borderFrame) + CGFloat(KMScreenDetectLength)
        
        let rightXMin = NSMaxX(self.borderFrame) - CGFloat(KMScreenDetectLength)
        let rightXMax = NSMaxX(self.borderFrame) + CGFloat(KMScreenDetectLength)
        
        if point.x <= leftXMax && point.x >= leftXMin {
            if point.y <= topYMax && point.y >= topYMin {
                type = .LeftUp
            } else if point.y <= bottomYMax && point.y >= bottomYMin {
                type = .LeftLower
            } else if point.y < topYMin && point.y > bottomYMax {
                type = .Left
            }
        } else if point.x <= rightXMax && point.x >= rightXMin {
            if point.y <= topYMax && point.y >= topYMin {
                type = .RightUp
            } else if point.y <= bottomYMax && point.y >= bottomYMin {
                type = .RightLower
            } else if point.y > bottomYMax && point.y < topYMin {
                type = .Right
            }
        } else if point.x > leftXMax && point.x < rightXMin {
            if point.y > bottomYMin && point.y < bottomYMax {
                type = .Bottom
            } else if point.y > topYMin && point.y < topYMax {
                type = .Top
            } else {
                type = .None
            }
        } else {
            type = .None
        }
        return type
    }
    func rectEditDrag(event: NSEvent) {
        let newPoint = KMScreenShotHandler.screenPosition(for: event)
        switch self.positionType {
        case .None:
            break
        case .Top:
            let changeTop = newPoint.y - self.borderFrame.maxY
            self.borderFrame = CGRect(x: self.borderFrame.origin.x, y: self.borderFrame.origin.y, width: self.borderFrame.size.width, height: CGFloat(self.borderFrame.size.height + CGFloat(changeTop) > CGFloat(KMScreenHoleMinWidthAndHeight) ? self.borderFrame.size.height + CGFloat(changeTop) : CGFloat(KMScreenHoleMinWidthAndHeight)))
        case .Left:
            let changeLeft = newPoint.x - self.borderFrame.minX
            self.borderFrame = CGRect(x: self.borderFrame.origin.x + changeLeft < self.borderFrame.maxX - CGFloat(KMScreenHoleMinWidthAndHeight) ? self.borderFrame.origin.x + changeLeft : self.borderFrame.maxX - CGFloat(KMScreenHoleMinWidthAndHeight), y: self.borderFrame.origin.y, width: self.borderFrame.size.width - changeLeft > CGFloat(KMScreenHoleMinWidthAndHeight) ? self.borderFrame.size.width - changeLeft : KMScreenHoleMinWidthAndHeight, height: self.borderFrame.size.height)
        case .Bottom:
            let changeBottom = newPoint.y - self.borderFrame.minY
            self.borderFrame = CGRect(x: self.borderFrame.origin.x, y: self.borderFrame.origin.y + changeBottom <= self.borderFrame.maxY - KMScreenHoleMinWidthAndHeight ? self.borderFrame.origin.y + changeBottom : self.borderFrame.maxY - KMScreenHoleMinWidthAndHeight, width: self.borderFrame.size.width, height: self.borderFrame.size.height - changeBottom > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.height - changeBottom : KMScreenHoleMinWidthAndHeight)
        case .Right:
            let changeRight = newPoint.x - self.borderFrame.maxX
            self.borderFrame = CGRect(x: self.borderFrame.origin.x, y: self.borderFrame.origin.y, width: self.borderFrame.size.width + changeRight > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.width + changeRight : KMScreenHoleMinWidthAndHeight, height: self.borderFrame.size.height)
        case .LeftUp:
            let changeX = newPoint.x - self.borderFrame.minX 
            let changeY = newPoint.y - self.borderFrame.maxY
            self.borderFrame = CGRect(x: self.borderFrame.origin.x + changeX <= self.borderFrame.maxX - KMScreenHoleMinWidthAndHeight ? self.borderFrame.origin.x + changeX : self.borderFrame.maxX - KMScreenHoleMinWidthAndHeight, y: self.borderFrame.origin.y, width: self.borderFrame.size.width - changeX > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.width - changeX : KMScreenHoleMinWidthAndHeight, height: self.borderFrame.size.height + changeY > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.height + changeY : KMScreenHoleMinWidthAndHeight)
        case .LeftLower:
            let changeX = newPoint.x - self.borderFrame.minX
            let changeY = newPoint.y - self.borderFrame.minY
            self.borderFrame = CGRect(x: self.borderFrame.origin.x + changeX <= self.borderFrame.maxX - KMScreenHoleMinWidthAndHeight ? self.borderFrame.origin.x + changeX : self.borderFrame.maxX - KMScreenHoleMinWidthAndHeight, y: self.borderFrame.origin.y + changeY <= self.borderFrame.maxY - KMScreenHoleMinWidthAndHeight ? self.borderFrame.origin.y + changeY : self.borderFrame.maxY - KMScreenHoleMinWidthAndHeight, width: self.borderFrame.size.width - changeX > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.width - changeX : KMScreenHoleMinWidthAndHeight, height: self.borderFrame.size.height - changeY > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.height - changeY : KMScreenHoleMinWidthAndHeight)
        case .RightUp:
            let changeX = newPoint.x - self.borderFrame.maxX
            let changeY = newPoint.y - self.borderFrame.maxY
            self.borderFrame = CGRect(x: self.borderFrame.origin.x, y: self.borderFrame.origin.y, width: self.borderFrame.size.width + changeX > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.width + changeX : KMScreenHoleMinWidthAndHeight, height: self.borderFrame.size.height + changeY > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.height + changeY : KMScreenHoleMinWidthAndHeight)
        case .RightLower:
            let changeX = newPoint.x - self.borderFrame.maxX
            let changeY = newPoint.y - self.borderFrame.minY
            self.borderFrame = CGRect(x: self.borderFrame.origin.x, y: self.borderFrame.origin.y + changeY <= self.borderFrame.maxY - KMScreenHoleMinWidthAndHeight ? self.borderFrame.origin.y + changeY : self.borderFrame.maxY - KMScreenHoleMinWidthAndHeight, width: self.borderFrame.size.width + changeX > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.width + changeX : KMScreenHoleMinWidthAndHeight , height: self.borderFrame.size.height - changeY > KMScreenHoleMinWidthAndHeight ? self.borderFrame.size.height - changeY : KMScreenHoleMinWidthAndHeight)
        default:
            break
        }
        self.updateHoleWithRect(holeRect: self.borderFrame)
        self.updateSizeLabelWithRect(rect: self.borderFrame, dragPoint: CGPoint(x: self.borderFrame.maxX, y: self.borderFrame.minY))
        if let frameCallBack = self.frameCallBack {
            frameCallBack(self.borderFrame)
        }
    }
    func updateHoleWithRect(holeRect: CGRect) {
        self.borderFrame = holeRect
        self.updateSubViewFrameWithHoleRect(holeRect: holeRect)
//        self.setNeedsDisplay(true)
        self.needsDisplay = true
    }
    func updateSizeLabelWithRect(rect: CGRect, dragPoint: CGPoint) {
        let labelString = "\(Int(rect.size.width)) * \(Int(rect.size.height))"
        self.sizeLabel.stringValue = labelString
        self.sizeLabel.sizeToFit()
        if dragPoint.x == rect.maxX {
            self.sizeLabel.frame = CGRect(x: dragPoint.x, y: dragPoint.y - self.sizeLabel.frame.size.height, width: self.sizeLabel.frame.size.width, height: self.sizeLabel.frame.size.height)
        } else if dragPoint.x == rect.minX {
            self.sizeLabel.frame = CGRect(x: dragPoint.x - self.sizeLabel.frame.size.width, y: dragPoint.y - self.sizeLabel.frame.size.height, width: self.sizeLabel.frame.size.width, height: self.sizeLabel.frame.size.height)
        }
    }
    func updateSubViewFrameWithHoleRect(holeRect: NSRect) {
        let topViewOriginalX: CGFloat = 0
        let topViewOriginalY: CGFloat = min(holeRect.maxY, self.frame.maxY)
        let topViewWidth = self.frame.size.width
        let topViewHeight = holeRect.maxY > self.frame.maxY ? 0 : self.frame.maxY - holeRect.maxY
        self.topView.frame = CGRect(x: topViewOriginalX, y: topViewOriginalY, width: topViewWidth, height: topViewHeight)
        let originalY = holeRect.origin.y
        var leftRightHeight: CGFloat
        if originalY > 0 {
            leftRightHeight = holeRect.size.height
        } else {
            leftRightHeight = holeRect.size.height - abs(holeRect.origin.y)
        }
        let leftViewOriginalX: CGFloat = 0
        let leftViewOriginalY: CGFloat = max(holeRect.minY, 0)
        let leftViewWidth = max(0, holeRect.minX)
        let leftViewHeight = leftRightHeight
        self.leftView.frame = CGRect(x: leftViewOriginalX, y: leftViewOriginalY, width: leftViewWidth, height: leftViewHeight)
        
        let bottomViewOriginalX: CGFloat = 0
        let bottomViewOriginalY: CGFloat = 0
        let bottomViewWidth = self.frame.size.width
        let bottomViewHeight = max(holeRect.minY, 0)
        self.bottomView.frame = CGRect(x: bottomViewOriginalX, y: bottomViewOriginalY, width: bottomViewWidth, height: bottomViewHeight)
        
        let rightViewOriginalX = min(holeRect.maxX, self.frame.maxX)
        let rightViewOriginalY = max(holeRect.minY, 0)
        let rightViewWidth = holeRect.maxX > self.frame.maxX ? 0 : self.frame.maxX - holeRect.maxX
        let rightViewHeight = leftRightHeight
        self.rightView.frame = CGRect(x: rightViewOriginalX, y: rightViewOriginalY, width: rightViewWidth, height: rightViewHeight)
    }
    func updateholeSize(newSize: CGSize) {
        updateHoleWithRect(holeRect: NSRect(x: self.borderFrame.origin.x, y: self.borderFrame.origin.y, width: newSize.width, height: newSize.height))
        updateSizeLabelWithRect(rect: NSRect(x: self.borderFrame.origin.x, y: self.borderFrame.origin.y, width: newSize.width, height: newSize.height), dragPoint: CGPoint(x: self.borderFrame.maxX, y: self.borderFrame.minY))
    }
    func beginImageCapture(isCaptureWindow: Bool) {
        self.window?.setIsVisible(true)
        self.sizeLabel.isHidden = isCaptureWindow
        initMonitor(isCaptureWindow: isCaptureWindow)
    }
    
    
    func setUIPrepare(isWindowCapture: Bool) {
        if isWindowCapture {
            topView.layer?.backgroundColor = NSColor.clear.cgColor
            leftView.layer?.backgroundColor = NSColor.clear.cgColor
            bottomView.layer?.backgroundColor = NSColor.clear.cgColor
            rightView.layer?.backgroundColor = NSColor.clear.cgColor
            windowMaskView.layer?.backgroundColor = NSColor.black.cgColor
            windowMaskView.alphaValue = 0.3
        } else {
            topView.layer?.backgroundColor = NSColor.black.cgColor
            topView.alphaValue = 0.3
            leftView.layer?.backgroundColor = NSColor.black.cgColor
            leftView.alphaValue = 0.3
            
            bottomView.layer?.backgroundColor = NSColor.black.cgColor
            bottomView.alphaValue = 0.3
            
            rightView.layer?.backgroundColor = NSColor.black.cgColor
            rightView.alphaValue = 0.3
        }
    }
    
    func endImageCapture() {
        resignMonitor()
        borderFrame = CGRect.zero
        updateHoleWithRect(holeRect: CGRect.zero)
        self.needsDisplay = true
        editingRect = false
        holeDragMode = false
        
        if NSApp.windows.contains(self.window!) {
            self.window?.setIsVisible(false)
        }
        
        sizeLabel.isHidden = true
        needborderFlag = true
        NSCursor.arrow.set()
    }
    
    func resignMonitor() {
        NSEvent.removeMonitor(localMonitor as Any)
        NSEvent.removeMonitor(globalMonitor as Any)
        localMonitor = nil
        globalMonitor = nil
    }
    
    func initMonitor(isCaptureWindow: Bool) {
        self.iswindowCapture = isCaptureWindow
        var mask: NSEvent.EventTypeMask
        if isCaptureWindow {
            mask = [NSEvent.EventTypeMask.mouseMoved, NSEvent.EventTypeMask.leftMouseDown, NSEvent.EventTypeMask.keyDown]
        } else {
            mask = [NSEvent.EventTypeMask.mouseMoved, NSEvent.EventTypeMask.leftMouseDown, NSEvent.EventTypeMask.leftMouseDragged, NSEvent.EventTypeMask.leftMouseUp, NSEvent.EventTypeMask.keyDown]
            self.updateHoleWithRect(holeRect: .zero)
        }
        self.setUIPrepare(isWindowCapture: isCaptureWindow)
        if self.localMonitor == nil {
            self.localMonitor = NSEvent.addLocalMonitorForEvents(matching: mask) { (result) -> NSEvent? in
                if isCaptureWindow {
                    let windowID: CGWindowID = self.windowForEvent(result)
                    if result.type == .leftMouseDown {
                        let image = KMScreenShotHandler.appointWindowScreenShot(withWindowID: windowID)
                        self.callBack?(image ?? NSImage())
                        self.endImageCapture()
                    } else if result.type == .mouseMoved {
                        let rect = KMOCTool.localCropRect(forWindow: windowID, withBounds: self.bounds)
                        self.updateWindowSelectUI(withWindowRect: rect)
                        let cursor = NSCursor(image: NSImage(named: "cameraCursor") ?? NSImage(), hotSpot: NSPoint(x: 0, y: 0))
                        cursor.set()
                    } else if result.type == .keyDown {
                        if result.keyCode == 53 {
                            self.endImageCapture()
                        }
                    }
                    return nil
                } else {
                    var newFrame = CGRect.zero
                    if result.type == .leftMouseDown {
                        if self.editingRect {
                            if self.holeDragMode {
                                let downPoint = KMScreenShotHandler.screenPosition(for: result)
                                self.pullXGap = Float(downPoint.x - self.borderFrame.origin.x)
                                self.pullYGap = Float(downPoint.y - self.borderFrame.origin.y)
                            }
                        } else {
                            self.dragStartPoint = KMScreenShotHandler.screenPosition(for: result)
                        }
                    } else if result.type == .leftMouseDragged {
                        if self.editingRect{
                            if self.holeDragMode {
                                self.dragholeImageView(result)
                            } else {
                                self.rectEditDrag(event: result)
                            }
                        } else {
                            self.dragLastPoint = KMScreenShotHandler.screenPosition(for: result)
                            newFrame = NSMakeRect(min(self.dragStartPoint.x, self.dragLastPoint.x), min(self.dragStartPoint.y, self.dragLastPoint.y), abs(self.dragStartPoint.x - self.dragLastPoint.x), abs(self.dragStartPoint.y - self.dragLastPoint.y))
                            self.updateSizeLabelWithRect(rect: newFrame, dragPoint: self.dragLastPoint)
                            self.updateHoleWithRect(holeRect: newFrame)
                            NSCursor.crosshair.set()
                        }
                    } else if result.type == .leftMouseUp {
                        if self.editingRect {
                            
                        } else {
                            self.dragLastPoint = KMScreenShotHandler.screenPosition(for: result)
                            newFrame = NSMakeRect(min(self.dragStartPoint.x, self.dragLastPoint.x), min(self.dragStartPoint.y, self.dragLastPoint.y), abs(self.dragStartPoint.x - self.dragLastPoint.x) <= KMScreenHoleMinWidthAndHeight ? KMScreenHoleMinWidthAndHeight : abs(self.dragStartPoint.x - self.dragLastPoint.x), abs(self.dragStartPoint.y - self.dragLastPoint.y) <= KMScreenHoleMinWidthAndHeight ? KMScreenHoleMinWidthAndHeight : abs(self.dragStartPoint.y - self.dragLastPoint.y))
                            self.updateHoleWithRect(holeRect: newFrame)
                            self.beginEditSelectArea(newFrame)
                            self.frameCallBack?(newFrame)
                        }
                    } else if result.type == .keyDown {
                        if result.keyCode == 53 {
                            self.endImageCapture()
                        }
                    } else if result.type == .mouseMoved {
                        if self.detachCallBack != nil {
                            self.detachCallBack?(result)
                        }
                        if self.editingRect{
                            self.changeCursorTypeWithEvent(result)
                            return nil
                        } else {
                            
                        }
                    }
                    return result
                }
            }
        }
        if self.globalMonitor == nil {
            self.globalMonitor = NSEvent.addGlobalMonitorForEvents(matching: mask) { (result) in
                if isCaptureWindow {
                    let windowID = self.windowForEvent(result)
                    if result.type == .leftMouseDown {
                        let image = KMScreenShotHandler.appointWindowScreenShot(withWindowID: windowID)
                        self.callBack?(image ?? NSImage())
                        self.endImageCapture()
                    } else if result.type == .mouseMoved {
                        let rect = KMOCTool.localCropRect(forWindow: windowID, withBounds: self.bounds)
                        self.updateWindowSelectUI(withWindowRect: rect)
                        let cursor = NSCursor(image: NSImage(named: "cameraCursor") ?? NSImage(), hotSpot: NSPoint(x: 0, y: 0))
                        cursor.set()
                        print("全局移动")
                    } else if result.type == .keyDown {
                        if result.keyCode == 53 {
                            self.endImageCapture()
                        }
                    } else if result.type == .rightMouseDown {
                        self.endImageCapture()
                    }
                } else {
                    var newFrame = CGRect.zero
                    if result.type == .leftMouseDown {
                        if self.editingRect{
                            if self.holeDragMode {
                                let downPoint = KMScreenShotHandler.screenPosition(for: result)
                                self.pullXGap = Float(downPoint.x - self.borderFrame.origin.x)
                                self.pullYGap = Float(downPoint.y - self.borderFrame.origin.y)
                            }
                        } else {
                            self.dragStartPoint = KMScreenShotHandler.screenPosition(for: result)
                        }
                    } else if result.type == .leftMouseDragged {
                        if self.editingRect{
                            if self.holeDragMode {
                                self.dragholeImageView(result)
                            } else {
                                self.rectEditDrag(event: result)
                            }
                        } else {
                            self.dragLastPoint = KMScreenShotHandler.screenPosition(for: result)
                            newFrame = NSMakeRect(min(self.dragStartPoint.x, self.dragLastPoint.x), min(self.dragStartPoint.y, self.dragLastPoint.y), abs(self.dragStartPoint.x - self.dragLastPoint.x), abs(self.dragStartPoint.y - self.dragLastPoint.y))
                            self.updateHoleWithRect(holeRect: newFrame)
                        }
                    } else if result.type == .leftMouseUp {
                        if self.editingRect{
                            
                        } else {
                            self.dragLastPoint = KMScreenShotHandler.screenPosition(for: result)
                            newFrame = NSMakeRect(min(self.dragStartPoint.x, self.dragLastPoint.x), min(self.dragStartPoint.y, self.dragLastPoint.y), abs(self.dragStartPoint.x - self.dragLastPoint.x) <= KMScreenHoleMinWidthAndHeight ? KMScreenHoleMinWidthAndHeight : abs(self.dragStartPoint.x - self.dragLastPoint.x), abs(self.dragStartPoint.y - self.dragLastPoint.y) <= KMScreenHoleMinWidthAndHeight ? KMScreenHoleMinWidthAndHeight : abs(self.dragStartPoint.y - self.dragLastPoint.y))
                            self.updateHoleWithRect(holeRect: newFrame)
                            self.beginEditSelectArea(newFrame)
                            self.frameCallBack?(newFrame)
                        }
                    } else if result.type == .keyDown {
                        if result.keyCode == 53 {
                            self.endImageCapture()
                        }
                    } else if result.type == .mouseMoved {
                        if self.detachCallBack != nil {
                            self.detachCallBack?(result)
                        }
                        if self.editingRect {
                            self.changeCursorTypeWithEvent(result)
                        } else {
                            
                        }
                    }
                }
                
            }
        }
    }
    func updateWindowSelectUI(withWindowRect rect: CGRect) {
        topView.layer?.backgroundColor = NSColor.clear.cgColor
        leftView.layer?.backgroundColor = NSColor.clear.cgColor
        bottomView.layer?.backgroundColor = NSColor.clear.cgColor
        rightView.layer?.backgroundColor = NSColor.clear.cgColor
        windowMaskView.frame = rect
        windowMaskView.layer?.backgroundColor = NSColor.black.cgColor
        windowMaskView.alphaValue = 0.3
    }
    func dragholeImageView(_ event: NSEvent) {
        guard let screen = NSScreen.screens.first else { return }
        let xMax = screen.frame.size.width
        let yMax = screen.frame.size.height
        let newPoint = KMScreenShotHandler.screenPosition(for: event)
        var newOriginalX = newPoint.x - CGFloat(pullXGap)
        var newOriginalY = newPoint.y - CGFloat(pullYGap)
        
        if newOriginalX < 0 {
            newOriginalX = 0
        }
        
        if newOriginalX + borderFrame.size.width > xMax {
            newOriginalX = xMax - borderFrame.size.width
        }
        
        if newOriginalY < 0 {
            newOriginalY = 0
        }
        
        if newOriginalY + borderFrame.size.height > yMax {
            newOriginalY = yMax - borderFrame.size.height
        }
        
        borderFrame = NSMakeRect(newOriginalX, newOriginalY, borderFrame.size.width, borderFrame.size.height)
        updateHoleWithRect(holeRect: borderFrame)
        updateSizeLabelWithRect(rect: borderFrame, dragPoint: NSMakePoint(NSMaxX(borderFrame), NSMinY(borderFrame)))
        
        if let callback = frameCallBack {
            callback(borderFrame)
        }
    }
    func captureImage() {
        guard let screen = NSScreen.screens.first else { return }
        let screenHeight = screen.frame.size.height
        let actualFrame = NSMakeRect(borderFrame.origin.x, screenHeight - borderFrame.origin.y - borderFrame.size.height, borderFrame.size.width, borderFrame.size.height)
        needborderFlag = false
        self.needsDisplay = true
        
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.01) { [weak self] in
            guard let self = self else { return }
            if let windowImage = CGWindowListCreateImage(actualFrame, .optionOnScreenOnly, kCGNullWindowID, []) {
                let image = KMScreenShotHandler.imageFromCGImageRef(windowImage)
                self.updateHoleWithRect(holeRect: NSRect.zero)
                if let callback = self.callBack {
                    callback(image ?? NSImage())
                }
            }
            self.endImageCapture()
        }
    }
}