//
//  KMDocumentModel.swift
//  PDF Master
//
//  Created by tangchao on 2022/12/7.
//

import Cocoa

class KMDocumentModel: NSObject {
    private var _documentURL: URL!
    var documentURL: URL {
        get {
            return _documentURL
        }
    }
    private var _document: CPDFDocument?
    var document: CPDFDocument? {
        get {
            return _document
        }
    }
    
    var isLocked: Bool {
        get {
            if (self.document == nil) {
                return false
            }
            return self.document!.isLocked
        }
    }
    var isEncrypt: Bool {
        get {
            if (self.document == nil) {
                return false
            }
            return self.document!.isEncrypted
        }
    }
    
    var pageCount: Int {
        get {
            if (self.document == nil) {
                return 0
            }
            return Int(self.document!.pageCount)
        }
    }
    
    var password: String {
        get {
            if (self.document == nil) {
                return ""
            }
            if (self.document?.password == nil) {
                return ""
            }
            return (self.document?.password)!
        }
    }
    var currentIndex: Int = 0
    
    convenience init(url: URL) {
        self.init()
        
        _documentURL = url
        _document = CPDFDocument(url: url)
    }
    
    override init() {}
    
    public func unlock(_ password: String) -> Bool {
        if (self.document == nil) {
            return false
        }
        
        return self.document!.unlock(withPassword: password)
    }
 }