//
//  KMBackgroundObject.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/11/3.
//

import Cocoa

@objcMembers class KMBackgroundObject: NSObject {
    var type: KMBackgroundType = .color
    var color: NSColor = .clear
    var imagePath: String?
    
    var rotation: Int = 0
    var opacity: Double = 0
    
    var scale: Double = 0
    
    // (Top:0 Middle:1 Bottom:2)
    var verticalMode: Int = 0
    var verticalSpace: Int = 0
    // (Left:0 Middle:1 Right:2)
    var horizontalMode: Int = 0
    var horizontalSpace: Int = 0
    
    var pagesString: String = ""
    var pageRangeType: KMBatchOperatePageChoice = .All
    
    var backgroundID: String?
    private var _image: NSImage?
    var image: NSImage? {
        set {
            self._image = newValue
        }
        get {
            if let data = self.imagePath, FileManager.default.fileExists(atPath: data) {
                if let img = NSImage(contentsOfFile: data) {
                    return img
                }
            }
            return self._image
        }
    }
    
    override init() {
        super.init()
    }
    
    required init?(coder: NSCoder) {
//        super.init()
        
        self.type = KMBackgroundType(rawValue: coder.decodeInteger(forKey: "type")) ?? .color
        self.color = coder.decodeObject(forKey: "color") as? NSColor ?? .clear
        self.imagePath = coder.decodeObject(forKey: "imagePath") as? String ?? ""
        self.rotation = coder.decodeInteger(forKey: "rotation")
        self.opacity = coder.decodeDouble(forKey: "opacity")
        self.scale = coder.decodeDouble(forKey: "scale")
        self.verticalMode = coder.decodeInteger(forKey: "verticalMode")
        self.verticalSpace = coder.decodeInteger(forKey: "verticalSpace")
        self.horizontalMode = coder.decodeInteger(forKey: "horizontalMode")
        self.horizontalSpace = coder.decodeInteger(forKey: "horizontalSpace")
        self.pagesString = coder.decodeObject(forKey: "pagesString") as? String ?? ""
        self.pageRangeType = KMBatchOperatePageChoice(rawValue: coder.decodeInteger(forKey: "pageRangeType")) ?? .All
        self.backgroundID = coder.decodeObject(forKey: "backgroundID") as? String ?? ""
        self._image = coder.decodeObject(forKey: "image") as? NSImage
    }
    
    //拷贝其他数据的值
    func copyData(_ dataObj: KMBackgroundObject?) {
        if (dataObj != nil) {
            self.type               = dataObj!.type
            self.color              = dataObj!.color
            self.imagePath          = dataObj!.imagePath
            self.rotation           = dataObj!.rotation
            self.opacity            = dataObj!.opacity
            self.scale              = dataObj!.scale
            self.verticalMode       = dataObj!.verticalMode
            self.verticalSpace      = dataObj!.verticalSpace
            self.horizontalMode     = dataObj!.horizontalMode
            self.horizontalSpace    = dataObj!.horizontalSpace
            self.pagesString        = dataObj!.pagesString
            self.pageRangeType      = dataObj!.pageRangeType
            self.backgroundID       = dataObj!.backgroundID
            self.image              = dataObj!.image
        }
    }
}

extension KMBackgroundObject: NSCoding {
    func encode(with coder: NSCoder) {
        coder.encode(self.type.rawValue, forKey: "type")
        coder.encode(self.color, forKey: "color")
        coder.encode(self.imagePath, forKey: "imagePath")
        coder.encode(self.rotation, forKey: "rotation")
        coder.encode(self.opacity, forKey: "opacity")
        coder.encode(self.scale, forKey: "scale")
        coder.encode(self.verticalMode, forKey: "verticalMode")
        coder.encode(self.verticalSpace, forKey: "verticalSpace")
        coder.encode(self.horizontalMode, forKey: "horizontalMode")
        coder.encode(self.horizontalSpace, forKey: "horizontalSpace")
        coder.encode(self.pagesString, forKey: "pagesString")
        coder.encode(self.pageRangeType.rawValue, forKey: "pageRangeType")
        coder.encode(self.backgroundID, forKey: "backgroundID")
        coder.encode(self.image, forKey: "image")
    }
}

extension KMBackgroundObject: NSCopying {
    func copy(with zone: NSZone? = nil) -> Any {
        let obj = KMBackgroundObject()
        obj.type = self.type
        obj.color = self.color
        obj.imagePath = self.imagePath
        obj.rotation = self.rotation
        obj.opacity = self.opacity
        obj.scale = self.scale
        obj.verticalMode = self.verticalMode
        obj.verticalSpace = self.verticalSpace
        obj.horizontalMode = self.horizontalMode
        obj.horizontalSpace = self.horizontalSpace
        obj.pagesString = self.pagesString
        obj.pageRangeType = self.pageRangeType
        obj.backgroundID = self.backgroundID
        obj.image = self.image
        return obj
    }
}