//
//  KMNContentEditPopToolbarWindow.swift
//  PDF Reader Pro
//
//  Created by 丁林圭 on 2025/2/6.
//

import Cocoa

class KMNContentEditPopToolbarWindow: NSWindow {
    
    static let shared = KMNContentEditPopToolbarWindow()
    
    public var editContentPopMode:KMNEditContentPopMode = KMNEditContentPopMode(currentEditAreas: [])
    
    convenience init() {
        let rect = NSRect(x: 0, y: 0, width: 400, height: 44)
        let styleMask: NSWindow.StyleMask = [.fullSizeContentView]
        self.init(contentRect: rect, styleMask: styleMask, backing: .buffered, defer: false)
    }
    
    override init(contentRect: NSRect, styleMask style: NSWindow.StyleMask, backing backingStoreType: NSWindow.BackingStoreType, defer flag: Bool) {
        super.init(contentRect: contentRect, styleMask: style, backing: backingStoreType, defer: flag)
        
        let contentViewC = KMNPopContentEditViewController.shared
        
        self.contentViewController = contentViewC
        
        self.titlebarAppearsTransparent = true
        self.titleVisibility = .hidden
        self.isMovable = false
        
        self.contentView?.wantsLayer = true
        self.contentView?.layer?.cornerRadius = 4
        self.contentView?.layer?.masksToBounds = true
        
        self.backgroundColor = .clear
    }
    
    func show(relativeTo positioningRect: NSRect, of positioningView: CPDFListView, preferredEdge: NSRectEdge) {
        self.orderFront(nil)
        let contentViewC = KMNPopContentEditViewController.shared
       
    }
    
    //MARK: - Public
    public func updateFrame(listView:CPDFListView) {
        let editingAreas = listView.km_EditingAreas()
        let page = editingAreas.first?.page
        let windowFram = listView.window?.frame ?? CGRectZero
        
        if(page != nil) {
            let pageRect = listView.selectionMultipleBounds(withEditArea: editingAreas)
            let positioningRect = listView.convert(pageRect, from: page!)
            let view: NSView? = nil
            let position = listView.convert(positioningRect, to: view)
            var positionNew = position.origin
            
            positionNew.x += windowFram.origin.x + position.width/2
            positionNew.y += windowFram.origin.y + position.height
            
            var positionRect = self.frame
            positionRect.origin.x = positionNew.x - positionRect.width/2
            positionRect.origin.y = positionNew.y + popOffSet + CGFloat(truncating: listView.editingConfig().editAreaMargin)
            
            var listViewWindRect = listView.convert(listView.frame, to: view)
            listViewWindRect.origin.x += windowFram.origin.x
            listViewWindRect.origin.y += windowFram.origin.y

            if CGRectGetMaxY(positionRect) > CGRectGetMaxY(listViewWindRect) {
                positionRect.origin.y = positionNew.y - popOffSet - position.height - positionRect.size.height
            }
            
            if CGRectGetMinX(positionRect) < CGRectGetMinX(listViewWindRect) {
                positionRect.origin.x = CGRectGetMinX(listViewWindRect)
            }

            if CGRectGetMaxX(positionRect) > CGRectGetMaxX(listViewWindRect) {
                positionRect.origin.x = CGRectGetMaxX(listViewWindRect) - positionRect.width
            }
            
            self.setFrame(positionRect, display: true)
            
            let popA = KMNPopAnnotationViewController.shared
            popA.updateUILanguage()
        }
    }
    
    public func closeWindow(listView:CPDFListView?) {
        if self.isVisible == true {
            listView?.window?.removeChildWindow(self)
            self.orderBack(nil)
        }
        
        let contentViewC = KMNPopContentEditViewController.shared
        contentViewC.closePopView()
    }
    
}