//
//  DSignatureApperanceManager.swift
//  PDF Reader Pro Edition
//
//  Created by Niehaoyu on 2023/10/8.
//

import Cocoa

class DSignatureAppearanceData: NSObject {
    
    var appearanceName = NSString()
    var signatureConfig = CPDFSignatureConfig()
    var tag = NSString()
    var drawType: CDSignatureCustomType = .none
    var isInputDSignatureText: Bool = false
    
    override init() {
        super.init()
        
        appearanceName = ""
        
    }
    
}

class DSignatureApperanceManager: NSObject {

    @objc public static let manager = DSignatureApperanceManager.init()
    
    var signatures: NSMutableArray!
    
    override init() {
        super.init()
        
        self.signatures = NSMutableArray.init()
    }
    
    @objc func tagString() -> NSString {
        let dateFormatter = DateFormatter.init()
        dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
        let dateString = dateFormatter.string(from: NSDate() as Date)
        return NSString(format: "%@ %d", dateString, arc4random()%10000)
    }
    
    func getFileSize(atPath filePath : String) -> CGFloat {
        guard let dict = try? FileManager.default.attributesOfItem(atPath: filePath) as NSDictionary else {
            return 0
        }
        return CGFloat(dict.fileSize())
    }
    
    func sortContens(_ contens: NSArray) -> NSArray {
        let tContens = NSMutableArray()
        
        var nameItem: CPDFSignatureConfigItem!
        var dnItem: CPDFSignatureConfigItem!
        var reaItem: CPDFSignatureConfigItem!
        var locaItem: CPDFSignatureConfigItem!
        var dateItem: CPDFSignatureConfigItem!
        var verItem: CPDFSignatureConfigItem!
        
        for item in contens {
            if (item as! CPDFSignatureConfigItem).key == NAME_KEY {
                nameItem = item as? CPDFSignatureConfigItem
            } else if (item as! CPDFSignatureConfigItem).key == DN_KEY {
                dnItem = item as? CPDFSignatureConfigItem
            } else if (item as! CPDFSignatureConfigItem).key == REASON_KEY {
                reaItem = item as? CPDFSignatureConfigItem
            } else if (item as! CPDFSignatureConfigItem).key == LOCATION_KEY {
                locaItem = item as? CPDFSignatureConfigItem
            } else if (item as! CPDFSignatureConfigItem).key == DATE_KEY {
                dateItem = item as? CPDFSignatureConfigItem
            } else if (item as! CPDFSignatureConfigItem).key == VERSION_KEY {
                verItem = item as? CPDFSignatureConfigItem
            }
        }
        
        if nameItem != nil {
            tContens.add(nameItem as Any)
        }
        
        if dnItem != nil {
            tContens.add(dnItem as Any)
        }
        
        if reaItem != nil {
            tContens.add(reaItem as Any)
        }
        
        if locaItem != nil {
            tContens.add(locaItem as Any)
        }
        
        if dateItem != nil {
            tContens.add(dateItem as Any)
        }
        
        if verItem != nil {
            tContens.add(verItem as Any)
        }
        
        return tContens
    }
    
    //MARK: Load
    public func loadDSignatureAppearanceDatas() -> NSMutableArray{
        self.signatures.removeAllObjects()
        
        if FileManager.default.fileExists(atPath: kDSignaturePlistPath) {
            let dictionary = NSDictionary(contentsOfFile: kDSignaturePlistPath)!
            for key in dictionary.allKeys {
                let dic: NSDictionary = dictionary[key] as! NSDictionary
                
                let data: DSignatureAppearanceData = DSignatureAppearanceData.init()
                data.tag = key as! NSString
                data.appearanceName = dic[kDSignatureOfAppearanceKey] as! NSString
                if (dic.value(forKey: kDSignatureOfDrawTypeKey) != nil) {
                    data.drawType = CDSignatureCustomType(rawValue: dic[kDSignatureOfDrawTypeKey] as! NSInteger)!
                } else {
                    data.drawType = .none
                }
                data.signatureConfig = self.switchDictionaryToWatermark(dic)
                data.isInputDSignatureText = (dic[kDSignatureOfIsTextKey] != nil)
                
                self.signatures.add(data)
            }
        }
        if self.signatures.count < 1 {
            let data = self.standardDSignatureAppearanceData()
            data.tag = self.tagString()
            data.appearanceName = NSLocalizedString("Standard Text", comment: "") as NSString
            _ = self.addDSignatureAppearanceData(watermark: data)
            
        }
        return self.signatures
    }
    
    func getLastDSignatureAppearanceData() -> DSignatureAppearanceData {
        let data = DSignatureAppearanceData.init()
        
        
        var info: [String : Any] = [:]
        if (UserDefaults.standard.value(forKey: kLastAddDSignatureDataKey) == nil) {
            
        } else {
            info = (UserDefaults.standard.value(forKey: kLastAddDSignatureDataKey) as! [String : Any])
        }
        var watermarkDic = NSMutableDictionary(dictionary: info)
        
        if watermarkDic.allKeys.count > 0 {
            data.tag = watermarkDic.allKeys.first as! NSString
            
            var appearanceDic: [String : Any] = [:]
            if (watermarkDic.object(forKey: data.tag as Any) == nil) {
                
            } else {
                appearanceDic = watermarkDic.object(forKey: data.tag as Any) as! [String : Any]
                data.appearanceName = appearanceDic[kDSignatureOfAppearanceKey] as! NSString
                let typeA: CDSignatureCustomType = appearanceDic[kDSignatureOfDrawTypeKey] as? CDSignatureCustomType ?? .none
                data.drawType = typeA
                data.signatureConfig = self.switchDictionaryToWatermark(appearanceDic as NSDictionary)
                data.isInputDSignatureText = (appearanceDic[kDSignatureOfIsTextKey] != nil)
            }
        }
        return data
    }
    
    //MARK: Get
    func standardDSignatureAppearanceData() -> DSignatureAppearanceData {
        let data = DSignatureAppearanceData.init()
        data.drawType = .text
        
        let config = CPDFSignatureConfig.init()
        config.isDrawLogo = true
        config.isContentAlginLeft = false
        config.isDrawKey = true
#if VERSION_FREE
#if VERSION_DMG
        config.logo = NSImage(named: "PDFReaderProLogo")
#else
        config.logo = NSImage(named: "PDFReaderProLogo")
#endif
        
#else
        config.logo = NSImage(named: "PDFReaderProEditionLogo")
#endif
        
        let nameItem = CPDFSignatureConfigItem.init()
        nameItem.key = NAME_KEY
        nameItem.value = NSLocalizedString("<your common name here>", comment: "")
        
        let dateItem = CPDFSignatureConfigItem.init()
        dateItem.key = DATE_KEY
         
        let dateFormatter = DateFormatter.init()
        dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
        dateItem.value = dateFormatter.string(from: NSDate() as Date)
        
        let contents = NSMutableArray()
        contents.add(nameItem)
        contents.add(dateItem)
        
        config.contents = self.sortContens(contents) as? [CPDFSignatureConfigItem]
        
        data.signatureConfig = config
        data.isInputDSignatureText = false
        
        return data
    }
    
    //MARK: Switch
    func switchDictionaryToWatermark(_ dic: NSDictionary) -> CPDFSignatureConfig {
        let config = CPDFSignatureConfig.init()
        
        var contents = Array<Any>.init()
        for key in dic.allKeys {
            if key as! String == ISDRAWLOGO_KEY {
                if let isDrawLogo = dic[ISDRAWLOGO_KEY] as? Bool {
                    config.isDrawLogo = isDrawLogo
                }
            } else if key as! String == ISDRAW_KEY {
                config.isDrawKey = (dic[ISDRAW_KEY] != nil)
            } else if key as! String == ISCONTENTALGINLEGF_KEY {
                if let isContentAlignLeft = dic[ISCONTENTALGINLEGF_KEY] as? Bool {
                    config.isContentAlginLeft = isContentAlignLeft
                }
            } else if key as! String == kDSignatureOfTextKey {
                config.text = dic[kDSignatureOfTextKey] as? String
            } else if key as! String == kDSignatureOfImagePathKey {
                guard let keyValue = dic[kDSignatureOfImagePathKey] as? String else {
                    return config
                }
                let filePath = kDSignatureFolderPath + "/" + keyValue
                if FileManager.default.fileExists(atPath: filePath) {
                    config.image = NSImage.init(contentsOfFile: filePath)
                }
            } else {
                let item = CPDFSignatureConfigItem.init()
                item.key = NSLocalizedString(key as! String, comment: "")
                item.value = dic[key] as? String
                
                contents.append(item)
            }
        }
        
//        if config.isDrawLogo {
#if VERSION_FREE
#if VERSION_DMG
        config.logo = NSImage(named: "PDFReaderProLogo")
#else
        config.logo = NSImage(named: "PDFReaderProLogo")
#endif
        
#else
        config.logo = NSImage(named: "PDFReaderProEditionLogo")
#endif
//        }
        config.contents = self.sortContens(contents as NSArray) as? [CPDFSignatureConfigItem]
        return config
    }
    
    func switchDSignatureToDictionary(signatureConfig: CPDFSignatureConfig) -> NSDictionary {
        let configDictionary = NSMutableDictionary.init()
        
        if signatureConfig.isDrawLogo {
            configDictionary.setObject((1), forKey: ISDRAWLOGO_KEY as NSCopying)
        } else {
            configDictionary.setObject((0), forKey: ISDRAWLOGO_KEY as NSCopying)
        }
        
        if signatureConfig.isDrawKey {
            configDictionary.setObject((1), forKey: ISDRAW_KEY as NSCopying)
        } else {
            configDictionary.setObject((0), forKey: ISDRAW_KEY as NSCopying)
        }
        
        if signatureConfig.isContentAlginLeft {
            configDictionary.setObject((1), forKey: ISCONTENTALGINLEGF_KEY as NSCopying)
        } else {
            configDictionary.setObject((0), forKey: ISCONTENTALGINLEGF_KEY as NSCopying)
        }
        
        if signatureConfig.text != nil {
            configDictionary.setObject(signatureConfig.text as String, forKey: kDSignatureOfTextKey as NSCopying)
        }
        
        if signatureConfig.image != nil {
            let image = signatureConfig.image
            let data = image?.tiffRepresentation
            
            let imageRep = NSBitmapImageRep(data: data!)
            imageRep?.size = image!.size
            
            var imageData: NSData?
            imageData = imageRep?.representation(using: .png, properties: [:]) as NSData?
            
            let tag = self.tagString()
            let rPath = kDSignatureFolderPath.appending("/\(tag).png")
            imageData?.write(toFile: rPath, atomically: true)
           
            var pathComponent: NSString?
            pathComponent = NSString(format: "%@/%@.png", kDSignatureFolderPath, tag)
            configDictionary.setObject(pathComponent?.lastPathComponent as Any, forKey: kDSignatureOfImagePathKey as NSCopying)
        }
        for item in signatureConfig.contents {
            configDictionary.setValue(item.value, forKey: item.key)
        }
        
        return configDictionary as NSDictionary
    }
    
    //MARK: Add
    func addDSignatureAppearanceData(watermark: DSignatureAppearanceData) -> Bool {
        if FileManager.default.fileExists(atPath: kDSignatureFolderPath) == false {
            if FileManager.default.fileExists(atPath: ApplicationSupportDirectory) == false {
                try?FileManager.default.createDirectory(atPath: ApplicationSupportDirectory, withIntermediateDirectories: false)
            }
            try?FileManager.default.createDirectory(atPath: kDSignatureFolderPath, withIntermediateDirectories: false)
            if FileManager.default.fileExists(atPath: kDSignatureFolderPath) == false {
                return false
            }
        }
        
        if FileManager.default.fileExists(atPath: kDSignaturePlistPath) == false {
            if FileManager.default.createFile(atPath: kDSignaturePlistPath, contents: nil, attributes: nil) == false {
                return false
            }
        }
        
        var dictionary = NSDictionary.init()
        if self.getFileSize(atPath: kDSignaturePlistPath) > 0 {
            dictionary = NSDictionary(contentsOfFile: kDSignaturePlistPath)!
        }
        let newDictionary = NSMutableDictionary(dictionary: dictionary)
        
        let tag = watermark.tag
        let appearanceDic = self.switchDSignatureToDictionary(signatureConfig: watermark.signatureConfig)
        appearanceDic.setValue(watermark.appearanceName, forKey: kDSignatureOfAppearanceKey)
        appearanceDic.setValue((watermark.drawType.rawValue), forKey: kDSignatureOfDrawTypeKey)
        if watermark.isInputDSignatureText {
            appearanceDic.setValue((1), forKey: kDSignatureOfIsTextKey)
        } else {
            appearanceDic.setValue((0), forKey: kDSignatureOfIsTextKey)
        }
        newDictionary.setObject(appearanceDic, forKey: tag)
        if newDictionary.write(toFile: kDSignaturePlistPath, atomically: true) {
            if self.signatures.count < 1 {
                self.signatures.add(watermark)
            } else {
                self.signatures.insert(watermark, at: 0)
            }
            return true
        }
        
        return false
    }
    
    //MARK: Remove
    func removeDSignatureAppearanceData(watermark: DSignatureAppearanceData) -> Bool {
        let key = watermark.tag
        if key.length == 0 {
            return false
        }
        if FileManager.default.fileExists(atPath: kDSignaturePlistPath) == false {
            return false
        }
        
        let dictionary = NSDictionary(contentsOfFile: kDSignaturePlistPath)!
        let newDictionary = NSMutableDictionary(dictionary: dictionary)
        
        newDictionary.removeObject(forKey: key as Any)
        
        if newDictionary.write(toFile: kDSignaturePlistPath, atomically: true) {
            self.signatures.remove(watermark)
            return true
        }
        return false
    }
    
    //MARK: Save
    func saveDSignatureAppearanceData(watermark: DSignatureAppearanceData) ->() {
        
        let watermarkDictionary = NSMutableDictionary()
        let appearanceDic = self.switchDSignatureToDictionary(signatureConfig: watermark.signatureConfig)
        appearanceDic.setValue(watermark.appearanceName, forKey: kDSignatureOfAppearanceKey)
        appearanceDic.setValue((watermark.drawType.rawValue), forKey: kDSignatureOfDrawTypeKey)
        if watermark.isInputDSignatureText {
            appearanceDic.setValue((1), forKey: kDSignatureOfIsTextKey)
        } else {
            appearanceDic.setValue((0), forKey: kDSignatureOfIsTextKey)
        }
        watermarkDictionary.setObject(appearanceDic, forKey: watermark.tag)
        
        UserDefaults.standard.setValue(watermarkDictionary, forKey: kLastAddDSignatureDataKey)
        UserDefaults.standard.setValue((1), forKey: "kHaveSaveWatermarkData")
        UserDefaults.standard.synchronize()
        
    }
    
    
}