//
//  KMHeaderFooterManager.swift
//  PDF Master
//
//  Created by tangchao on 2022/12/27.
//

import Cocoa

let kHeaderFooterInfoSaveKey = "kHeaderFooterInfoSaveKey"

class KMHeaderFooterManager: NSObject, NSCoding{
    
    
    let kFolderPath = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.applicationSupportDirectory, FileManager.SearchPathDomainMask.userDomainMask, true).last?.stringByAppendingPathComponent(Bundle.main.bundleIdentifier!).stringByAppendingPathComponent("headerfooter")
    let kPlistPath = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.applicationSupportDirectory, FileManager.SearchPathDomainMask.userDomainMask, true).last?.stringByAppendingPathComponent(Bundle.main.bundleIdentifier!).stringByAppendingPathComponent("headerfooter").stringByAppendingPathComponent("headerfooter.plist")
    
    static let defaultManager = KMHeaderFooterManager()
//    = {
//        var manager = KMHeaderFooterManager()
//        if let storedData = UserDefaults.standard.value(forKey: kHeaderFooterInfoSaveKey) as? Data {
//            manager = NSKeyedUnarchiver.unarchiveObject(with: storedData) as! KMHeaderFooterManager
//        } else {
//            manager = KMHeaderFooterManager()
////            if manager.headFooterObjects == nil {
////                manager.headFooterObjects = []
////            }
//        }
//        return manager
//    }()
    
    func encode(with coder: NSCoder) {
//        coder.encode(self.headFooterObjects, forKey: "headFooterObjects")
    }
    
    required init?(coder: NSCoder) {
//        self.headFooterObjects = coder.decodeObject(forKey: "headFooterObjects") as? [KMHeaderFooterModel]
    }
    
    var datas: Array<KMHeaderFooterModel> = []
    
//    var headFooterObjects: [KMHeaderFooterModel]?
    
    lazy var dateFormatArray: Array = {
        let arr = [
            "m/d",
            "m/d/yy",
            "m/d/yyyy",
            "mm/dd/yy",
            "mm/dd/yyyy",
            "d/m/yy",
            "d/m/yyyy",
            "dd/mm/yy",
            "dd/mm/yyyy",
            "mm/yy",
            "mm/yyyy",
            "m.d.yy",
            "m.d.yyyy",
            "mm.dd.yy",
            "mm.dd.yyyy",
            "mm.yy",
            "mm.yyyy",
            "d.m.yy",
            "d.m.yyyy",
            "dd.mm.yy",
            "dd.mm.yyyy",
            "yy-mm-dd",
            "yyyy-mm-dd"
        ]
        return arr
    }()
    
    func onlyBatesObjects() -> [KMHeaderFooterModel] {
        var arr: [KMHeaderFooterModel] = Array<KMHeaderFooterModel>()
        for i in 0..<datas.count {
            let obj = self.datas[i]
            if KMDataVersionManager.updateBatesData() {
                KMDataVersionManager.refrshBatesData(bates: obj)
                store()
            }
            
            if obj.isBates {
                arr.append(obj)
            }
        }
        return arr
    }
    func onlyHeaderFooterObjects() -> [KMHeaderFooterModel]{
        var arr: [KMHeaderFooterModel] = Array<KMHeaderFooterModel>()
        for i in 0..<self.datas.count {
            let obj = self.datas[i]
            
            if !obj.isBates {
                arr.append(obj)
            }
        }
        return arr
    }
    override init() {
        super.init()
        if (FileManager.default.fileExists(atPath: kPlistPath!)) {
            let dataDict = NSDictionary(contentsOfFile: kPlistPath!)
            if (dataDict == nil) {
                return
            }
            
            for keyIndex in 0 ..< (dataDict?.allKeys.count ?? 0) {
                let key: String = dataDict?.allKeys[keyIndex] as! String
                let backgroundDict: NSDictionary = dataDict?.object(forKey: key) as! NSDictionary
                
                let model = parseDictionary(dict: backgroundDict)
                /// 赋值id
                model.id = key
                self.datas.append(model)
            }
            
            /// 根据id进行排序(升序)
            self.datas.sort(){$0.id > $1.id}
        }
    }
    
    func store() { 
        let encodedObject = NSKeyedArchiver.archivedData(withRootObject: self)
        let defaults = UserDefaults.standard 
        defaults.set(encodedObject, forKey: kHeaderFooterInfoSaveKey)
        defaults.synchronize()
    }
    
    func fetchBatesAvailableName() -> String {
        var availableIndex = 0
        let nameArray = converArrType(arr: onlyBatesObjects(), keyString: "id")
        for i in 0..<nameArray.count {
            let string = nameArray[i]
            if string.hasPrefix("Bates") {
                let index = Int(string.substring(from: "Bates".endIndex))!
                if index >= availableIndex {
                    availableIndex = index + 1
                }
            }
        }
        return String(format: "Bates%ld", availableIndex)
    }
    
    func fetchHeaderFooterAvailableName() -> String {
        var availableIndex = 0
        let nameArray = converArrType(arr: onlyHeaderFooterObjects(), keyString: "id")
        for i in 0..<nameArray.count {
            let string = nameArray[i]
            if string.hasPrefix("HeaderFooter") {
                let index = Int(string.substring(from: "HeaderFooter".endIndex))!
                if index >= availableIndex {
                    availableIndex = index + 1
                }
            }
        }
        return  String(format: "HeaderFooter%ld", availableIndex)
    }
    
    func converArrType(arr: Array<KMHeaderFooterModel>, keyString: String) -> [String] {
        let newArr = NSMutableArray()
        for item in arr {
            newArr.add(item.id)
        }
        return newArr as! [String]
    }
    
    func addTemplate(_ model: KMHeaderFooterModel) -> Bool {
        if (!FileManager.default.fileExists(atPath: kFolderPath!)) {
            let create: ()? = try?FileManager.default.createDirectory(atPath: kFolderPath!, withIntermediateDirectories: false)
            if (create == nil) {
                return false
            }
        }
        
        if (!FileManager.default.fileExists(atPath: kPlistPath!)) {
            let create = try?FileManager.default.createFile(atPath: kPlistPath!, contents: nil)
            if (create == nil) {
                return false
            }
        }
        
        let dict = NSDictionary(contentsOfFile: kPlistPath!)
        var newDict:NSMutableDictionary!
        if (dict != nil) {
            newDict = NSMutableDictionary(dictionary: dict!)
        } else {
            newDict = NSMutableDictionary()
        }
        
        let modelDict = self.parseModel(model: model)
        
        let tag = model.id
        newDict.addEntries(from: [tag : modelDict])
        model.id = tag
        let result = newDict.write(toFile: kPlistPath!, atomically: true)
        if (result) {
            if (self.datas.count < 1) {
                self.datas.append(model)
            } else {
                self.datas.insert(model, at: 0)
            }
        }
        
        return result
    }
    
    func deleteTemplate(_ model: KMHeaderFooterModel) -> Bool {
        if (model.id.isEmpty) {
            return false
        }
        
        if (!FileManager.default.fileExists(atPath: kPlistPath!)) {
            return false
        }
        
        let key: String = model.id
        
        let dictionary = NSDictionary(contentsOfFile: kPlistPath!)
        var newDictionary: NSMutableDictionary!
        if (dictionary != nil) {
            newDictionary = NSMutableDictionary(dictionary: dictionary!)
        } else {
            newDictionary = NSMutableDictionary()
        }
        newDictionary.removeObject(forKey: key)
        
        let result = newDictionary.write(toFile: kPlistPath!, atomically: true)
        if (result) {
            if (self.datas.contains(model)) {
                self.datas.removeObject(model)
            }
        }
        return result
    }
    
    func deleteAllTemplate() -> Bool {
        if (!FileManager.default.fileExists(atPath: kPlistPath!)) {
            return false
        }
        
        let dictionary = NSDictionary(contentsOfFile: kPlistPath!)
        var newDictionary: NSMutableDictionary!
        if (dictionary != nil) {
            newDictionary = NSMutableDictionary(dictionary: dictionary!)
        } else {
            newDictionary = NSMutableDictionary()
        }
        
        newDictionary.removeAllObjects()
        
        let result = newDictionary.write(toFile: kPlistPath!, atomically: true)
        if (result) {
            self.datas.removeAll()
        }
        
        return result
    }
    
    func updateTemplate(_ model: KMHeaderFooterModel) -> Bool {
        if (!FileManager.default.fileExists(atPath: kFolderPath!)) {
            let create = try?FileManager.default.createDirectory(atPath: kFolderPath!, withIntermediateDirectories: false)
            if (create == nil) {
                return false
            }
        }
        
        if (!FileManager.default.fileExists(atPath: kPlistPath!)) {
            let create = try?FileManager.default.createFile(atPath: kPlistPath!, contents: nil)
            if (create == nil) {
                return false
            }
        }
        
        var flagModel: KMHeaderFooterModel!
        for model_ in self.datas {
            if (model_.id == model.id) {
                flagModel = model_
                break
            }
        }
        
        if (flagModel == nil) {
            return false
        }
        
        let dict = NSDictionary(contentsOfFile: kPlistPath!)
        var newDict:NSMutableDictionary!
        if (dict != nil) {
            newDict = NSMutableDictionary(dictionary: dict!)
        } else {
            newDict = NSMutableDictionary()
        }
        
        let modelDict = self.parseModel(model: model)
        newDict.setObject(modelDict, forKey: flagModel.id as NSCopying)
        let result = newDict.write(toFile: kPlistPath!, atomically: true)
        if (result) {
            let index = self.datas.index(of: flagModel)
            self.datas[index!] = model
        }
        
        return result
    }
    func removeHeaderFooter(_ obj: KMHeaderFooterModel) {
        if (obj.id.count < 1) {
            return
        }
        
        if (!FileManager.default.fileExists(atPath: kPlistPath!)) {
            return
        }
        
        let key: String = obj.id
        
        let dictionary = NSDictionary(contentsOfFile: kPlistPath!)
        var newDictionary: NSMutableDictionary!
        if (dictionary != nil) {
            newDictionary = NSMutableDictionary(dictionary: dictionary!)
        } else {
            newDictionary = NSMutableDictionary()
        }
        newDictionary.removeObject(forKey: key)
        
        let result = newDictionary.write(toFile: kPlistPath!, atomically: true)
        if (result) {
            self.datas.removeObject(obj)
        }
    }
    
    /**
        `Private Methods`
     */
    private func parseModel(model: KMHeaderFooterModel) -> Dictionary<String, Any> {
        var dict: [String : Any] = [:]
        /// 字体相关
        switch model.textFont {
        case .font(name: var name, size: var size):
            dict["fontName"] = name
            dict["fontSize"] = size
        default: break
        }
        
        switch model.textColor {
        case .color(red: var red, green: var green, blue: var blue, alpha: var alpha):
            dict["red"] = red
            dict["green"] = green
            dict["blue"] = blue
            dict["alpha"] = alpha
        default: break
        }
      
        /// 页边距
        dict["leftMargin"] = model.leftMargin
        dict["rightMargin"] = model.rightMargin
        dict["bottomMargin"] = model.bottomMargin
        dict["topMargin"] = model.topMargin
        dict["isBates"] = model.isBates ? "1" : "0"
        
        /// 内容
        dict["topLeftString"] = model.topLeftString
        dict["topCenterString"] = model.topCenterString
        dict["topRightString"] = model.topRightString
        dict["bottomLeftString"] = model.bottomLeftString
        dict["bottomCenterString"] = model.bottomCenterString
        dict["bottomRightString"] = model.bottomRightString
        
        /// 日期
        dict["dateFormatString"] = model.dateFormatString
        
        /// 页面
        dict["pageRangeString"] = model.pageRangeString
        dict["startString"] = model.startString
        
        /// 页面范围
        dict["pageRangeType"] = model.pageRangeType.rawValue
        dict["pageRangeString"] = model.pageRangeString
        
        return dict
    }
    
    private func parseDictionary(dict: NSDictionary) -> KMHeaderFooterModel {
        let model = KMHeaderFooterModel()
        
        /// 字体相关
        model.textFont = .font(name: dict["fontName"] as! String, size: dict["fontSize"] as! CGFloat)
        model.textColor = .color(red: dict["red"] as! CGFloat, green: dict["green"] as! CGFloat, blue: dict["blue"] as! CGFloat, alpha: dict["alpha"] as! CGFloat)

        /// 页边距
        model.leftMargin = dict["leftMargin"] as! CGFloat
        model.rightMargin = dict["rightMargin"] as! CGFloat
        model.bottomMargin = dict["bottomMargin"] as! CGFloat
        model.topMargin = dict["topMargin"] as! CGFloat
        
        /// 内容
        model.topLeftString = dict["topLeftString"] as! String
        model.topCenterString = dict["topCenterString"] as! String
        model.topRightString = dict["topRightString"] as! String
        model.bottomLeftString = dict["bottomLeftString"] as! String
        model.bottomCenterString = dict["bottomCenterString"] as! String
        model.bottomRightString = dict["bottomRightString"] as! String
        model.isBates = false
        if (dict["isBates"] != nil) {
            model.isBates = (dict["isBates"] as! String == "1")
        }
        
        /// 日期
        model.dateFormatString = dict["dateFormatString"] as! String
        
        /// 页面
        model.pageRangeString = dict["pageRangeString"] as! String
        model.startString = dict["startString"] as! String
        
        /// 页面范围
        model.pageRangeType = KMWatermarkeModelPageRangeType.init(rawValue: dict["pageRangeType"] as! Int)!
        model.pageRangeString = dict["pageRangeString"] as! String
        
        return model
    }
    
    private func tagString() -> String {
        var result: String = ""
        
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "yyMMddHHmmss"
        result.append(dateFormatter.string(from: Date()))
        result = result.appendingFormat("%04d", arc4random()%10000)
        
        return result
    }
}