//
//  KMSignature.swift
//  PDF Reader Pro
//
//  Created by lizhe on 2023/10/9.
//

import Cocoa

@objc enum KMPDFSignatureType: Int {
    case ink = 0
    case text
    case image
}

@objc enum KMPDFSignature: Int {
    case managerView = 0
    case createView
}

@objcMembers class KMSignature: NSObject, NSCoding {
    private let kPathKey = "Paths"
    private let kColorKey = "Color"
    private let kImageKey = "Image"
    private let kTypeKey = "Type"

    var signatureColor: NSColor = .black
    var paths: [NSBezierPath] = []
    var pathsImage: NSImage = NSImage()
    
    var signatureType: KMPDFSignatureType = .text
    var isSelect: Bool = false
    
    override class func className() -> String {
        return "KMSignature"
    }
    
    override class func classForKeyedArchiver() -> AnyClass? {
        return NSClassFromString("KMSignature")
    }
    
    override class func classForCoder() -> AnyClass {
        return NSClassFromString("KMSignature")!
    }
    
    override class func classForArchiver() -> AnyClass? {
        return NSClassFromString("KMSignature")
    }
    
   // override class func classForKeyedUnarchiver() -> AnyClass {
//        if let cls = objc_allocateClassPair(NSObject.self, "KMSignature", 0) {
//            objc_registerClassPair(cls)
////            let sel = #selector(required init(coder: NSCoder))
//            let sel = NSSelectorFromString("initWithCoder:")
//            let method = class_getInstanceMethod(KMSignature.self, sel)
//            class_addMethod(cls, sel, method_getImplementation(method!), method_getTypeEncoding(method!))
//
//            let sel2 = NSSelectorFromString("encodeWithCoder:")
//            let method2 = class_getInstanceMethod(KMSignature.self, sel2)
//            class_addMethod(cls, sel2, method_getImplementation(method2!), method_getTypeEncoding(method2!))
//
//            return cls
//        }
//        return NSClassFromString("KMSignature")!
        //return self.KMSignatureOCClass
    //}
    
    class var KMSignatureOCClass: AnyClass {
        get {
            if let cls = objc_allocateClassPair(NSObject.self, "KMSignature", 0) {
                objc_registerClassPair(cls)
    //            let sel = #selector(required init(coder: NSCoder))
                let sel = NSSelectorFromString("initWithCoder:")
                let method = class_getInstanceMethod(KMSignature.self, sel)
                class_addMethod(cls, sel, method_getImplementation(method!), method_getTypeEncoding(method!))
                
                let sel2 = NSSelectorFromString("encodeWithCoder:")
                let method2 = class_getInstanceMethod(KMSignature.self, sel2)
                class_addMethod(cls, sel2, method_getImplementation(method2!), method_getTypeEncoding(method2!))
                
                return cls
            }
            return NSClassFromString("KMSignature")!
//            return KMSignature.self
        }
    }

    override init() {
        super.init()
    }

    func addPath(_ path: NSBezierPath) {
        paths.append(path)
    }

    func removePath(_ path: NSBezierPath) {
        if let index = paths.firstIndex(of: path) {
            paths.remove(at: index)
        }
    }

    func clearPath() {
        paths.removeAll()
    }

    // MARK: - NSCoding

    required init?(coder decoder: NSCoder) {
        if let decodedPaths = decoder.decodeObject(forKey: kPathKey) as? [NSBezierPath],
           let decodedColor = decoder.decodeObject(forKey: kColorKey) as? NSColor,
           let decodedImage = decoder.decodeObject(forKey: kImageKey) as? NSImage,
           let decodedType = decoder.decodeObject(forKey: kTypeKey) as? NSNumber {

            paths = decodedPaths
            signatureColor = decodedColor
            pathsImage = decodedImage
            signatureType = KMPDFSignatureType.init(rawValue: decodedType.intValue) ?? .text
        }
    }

    func encode(with encoder: NSCoder) {
        encoder.encode(paths, forKey: kPathKey)
        encoder.encode(signatureColor, forKey: kColorKey)
        encoder.encode(pathsImage, forKey: kImageKey)
        encoder.encode(NSNumber(integerLiteral: signatureType.rawValue), forKey: kTypeKey)
    }
}