//
//  KMEditDocumentController.swift
//  PDF Reader Pro
//
//  Created by Niehaoyu on 2024/11/1.
//

import Cocoa

import KMComponentLibrary

@objc protocol KMEditDocumentControllerDelegate: AnyObject {
    
    @objc optional func editControllerDidApplyEnable(_ controller: KMEditDocumentController) -> Bool
    
    @objc optional func editControllerDidExitEnable(_ controller: KMEditDocumentController) -> Bool
    
    @objc optional func editControllerDidApplyClicked(_ controller: KMEditDocumentController)
    
    @objc optional func editControllerDidExitClicked(_ controller: KMEditDocumentController)
 
}
 

class KMEditDocumentController: NSViewController {
    
    var pdfDocument: CPDFDocument?
    
    var pdfView: CPDFListView = CPDFListView.init()
    
    let coverView = NSView(frame: CGRectMake(0, 0, 300, 300))
    
    private var groupListMenuGroup: ComponentGroup? = ComponentGroup.createFromNib(in: ComponentLibrary.shared.componentBundle())
    
    weak open var delegate: KMEditDocumentControllerDelegate?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        
        pdfView.frame = view.bounds
        pdfView.autoresizingMask = [.width, .height]
        pdfView.setDisplay(.singlePage)
        pdfView.toolMode = .CNoteToolMode
        pdfView.autoScales = true
        pdfView.pdfListViewDelegate = self
        view.addSubview(pdfView)
         
    }
    
    func reloadData() {
        guard let pdfDocument = self.pdfDocument else { return }
        
        DispatchQueue.main.async {
            self.pdfView.document = pdfDocument
            self.pdfView.layoutDocumentView()
        }
        
    }
    
    func refreshUI() {
        pdfView.updateRender(true)
        
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.15) {[weak self] in
            self?.pdfView.updateRender(true)
        }
    }
    
    func layoutDocumentView() {
        pdfView.document?.refreshPageData()
        pdfView.layoutDocumentView()
        
    }
    
}

extension KMEditDocumentController: CPDFListViewDelegate {
    func pdfListViewMenu(forEvent pdfListView: CPDFListView!, for theEvent: NSEvent!, click menu: AutoreleasingUnsafeMutablePointer<NSMenu?>!, isMoveSelectAnno: Bool) {
        
        var pagePoint = CGPoint.zero
        let point = self.view.convert(theEvent.locationInWindow, from: nil)
        
        var items: [(String, String)] = []
        items.append(("Apply", PDFViewMenuIdentifier_Edit_Apply))
        items.append(("Exit", PDFViewMenuIdentifier_Edit_Exit))
        
        var viewHeight: CGFloat = 8
        var menuItemArr: [ComponentMenuitemProperty] = []
        
        for (i, value) in items {
            if value.count == 0 {
                let property: ComponentMenuitemProperty = ComponentMenuitemProperty.divider()
                menuItemArr.append(property)
                viewHeight += 8
            } else {
                let properties_Menuitem: ComponentMenuitemProperty = ComponentMenuitemProperty(multipleSelect: false,
                                                                                               itemSelected: false,
                                                                                               keyEquivalent: nil,
                                                                                               text: KMLocalizedString(i),
                                                                                               identifier: value,representedObject: point)
                
                properties_Menuitem.isDisabled = true
                
                if properties_Menuitem.identifier == PDFViewMenuIdentifier_Edit_Apply {
                    if delegate?.editControllerDidApplyEnable?(self) == true {
                        properties_Menuitem.isDisabled = false
                    }
                } else if (properties_Menuitem.identifier == PDFViewMenuIdentifier_Edit_Exit) {
                    if delegate?.editControllerDidExitEnable?(self) == true {
                        properties_Menuitem.isDisabled = false
                    }
                }
                
                menuItemArr.append(properties_Menuitem)
                viewHeight += 36
            }
        }
        
        
        groupListMenuGroup?.pagePoint = pagePoint
        groupListMenuGroup?.groupDelegate = self
        groupListMenuGroup?.frame = CGRectMake(0, 0, 180, viewHeight)
        groupListMenuGroup?.updateGroupInfo(menuItemArr)
        
        groupListMenuGroup?.showWithPoint(CGPoint(x: point.x, y: point.y - viewHeight), relativeTo: nil, withWindow: self.view.window)
    }
    
    func pdfListViewIsSupportSelecton(_ theEvent: NSEvent!, mouseType: KMPDFViewMouseType) -> Bool {
        if(mouseType == .menuForEvent) {
            return true
        }
        return false
    }
}

//MARK: - ComponentGroupDelegate
extension KMEditDocumentController: ComponentGroupDelegate {
    func componentGroupDidSelect(group: ComponentGroup?, menuItemProperty: ComponentMenuitemProperty?) {
        
        if menuItemProperty?.identifier == PDFViewMenuIdentifier_Edit_Apply {
            delegate?.editControllerDidApplyClicked?(self)
        } else if (menuItemProperty?.identifier == PDFViewMenuIdentifier_Edit_Exit) {
            delegate?.editControllerDidExitClicked?(self)
        }
    }
}