PDF_Office/PDF Office/PDF Master/KMClass/NewBatch/Manager/KMBatchManager.swift

//
//  KMBatchManager.swift
//  PDF Master
//
//  Created by lizhe on 2023/2/17.
//

import Cocoa

enum KMBatchManagerSate: Int, CaseIterable {
    case unknow = 0
    case processing
    case complete
    case error
}

let kBacthFilesProcessNotification = "kBacthFilesProcessNotification"
let kBacthProcessNotification = "kBacthProcessNotification"

class KMBatchManager: NSObject {
    public static let manager = KMBatchManager()
    fileprivate(set) var state: KMBatchManagerSate = .unknow
    
    var filesData: [KMBatchProcessingTableViewModel] = []
    var batchFilesData: [KMBatchProcessingTableViewModel] {
        get {
            var resultArray:[KMBatchProcessingTableViewModel] = []
            for item in filesData {
                if !item.isLock {
                    resultArray.append(item)
                }
            }
            return resultArray
        }
    }
    
    func batch(type: KMBatchCollectionViewType, data: KMBatchSettingItemViewModel) {
        let panel = NSOpenPanel()
        panel.canChooseFiles = false
        panel.canChooseDirectories = true
        panel.canCreateDirectories = true
        panel.beginSheetModal(for: NSWindow.currentWindow()) { response in
            if response == .cancel {
                return
            }
            
            let outputFolderPath = (panel.url?.path)!
            //
            self.batchUnkown()
            
            switch type {
            case .convertPDF:
                self.convertPDFExport(data: data, outputFolderPath: outputFolderPath)
                break
            case .OCR:
                self.convertOCRExport(data: data, outputFolderPath: outputFolderPath)
                break
            case .compress:
                self.compressExport(data: data, outputFolderPath: outputFolderPath)
                break
            case .security:
                self.securityExport(data: data, outputFolderPath: outputFolderPath)
                break
            case .watermark:
                
                break
            case .background:
                
                break
            case .headerAndFooter:
                
                break
            case .batesNumber:
                
                break
            case .batchRemove:
                self.removeApplay(data: data, outputFolderPath: outputFolderPath)
                break
            default:
                KMPrint("找不到")
                break
            }
            
            //
            self.batchProgress()
        }
    }
}

protocol KMBatchSettingViewExport {}
extension KMBatchManager: KMBatchSettingViewExport {
    //MARK: 转档
    func convertPDFExport(data: KMBatchSettingItemViewModel, outputFolderPath: String) {
        self.convertFile(outputFolderPath: outputFolderPath, data: data, filesData: self.batchFilesData)
    }
    
    func convertFile(outputFolderPath: String, data: KMBatchSettingItemViewModel, filesData: [KMBatchProcessingTableViewModel]) {
        if filesData.count != 0 {
            DispatchQueue.global().async {
                for i in 0..<filesData.count {
                    let item = filesData[i]
                    //创建Document
                    let filePath = item.filePath
                    let document = self.fetchDocument(filePath: filePath, model: item)
                    
                    let settingData = data as? KMBatchConvertPDFViewModel  ?? KMBatchConvertPDFViewModel()
                    var fileName = filePath.deletingPathExtension.lastPathComponent
                    if ((fileName.isEmpty)) {
                        fileName = NSLocalizedString("Untitled", comment: "")
                    }
                    
                    let convert = self.addConvertParameter(settingData)
                    
                    let pageCount = document.pageCount
                    //获取page
                    var pages:[Int] = []
                    for i in 0..<pageCount {
                        pages.append(Int(i)+1)
                    }
                    
                    convert.outputFolderPath = outputFolderPath
                    convert.filePath = filePath
                    convert.outputFileName = fileName
                    convert.pages = pages
                    
                    convert.isAllowOCR = settingData.needRecognizeText
                    convert.ocrLanguage = settingData.languageType
                    
                    item.state = .clock
                    KMPDFConvertManager.defaultManager.convert(convert: convert, progress: { [unowned self] progressValue in
                        print("转档进度 - \(progressValue)")
                        let progress = Float(progressValue) / Float(pageCount)
                        self.itemProgress(item: item, processValue: progress)
                    }, completion: { [unowned self] finished, error in
                        if finished {
                            if FileManager.default.fileExists(atPath: outputFolderPath) {
                                NSWorkspace.shared.activateFileViewerSelecting([URL(fileURLWithPath: outputFolderPath)])
                            }
                            self.itemSuccess(item: item)
                        } else {
                            self.itemFailure(item: item, error: error! as NSError)
                        }
                        
                        if i == filesData.count - 1 {
                            self.batchSuccess()
                        }
                    })
                }
            }
        }
    }
    
    func addConvertParameter(_ data: KMBatchConvertPDFViewModel) -> KMPDFConvert {
        let settingData = data
        var convert = KMPDFConvert()
        
        switch settingData.convertPDFType {
        case .word:
            convert = KMPDFConvertWord()
            if settingData.layoutSettingType == .flowingText {
                convert.isAllInOneSheet = false
            } else {
                convert.isAllInOneSheet = true
            }
        case .excel:
            convert = KMPDFConvertExcel()
            if settingData.excelSetting == .separate {
                convert.isAllInOneSheet = false
                convert.isExtractTable = false
            } else if settingData.excelSetting == .format {
                convert.isAllInOneSheet = true
                convert.isExtractTable = false
            } else if settingData.excelSetting == .tables {
                convert.isAllInOneSheet = false
                convert.isExtractTable = true
                
                switch settingData.excelTablesType {
                case .oneTable:
                    convert.extractTableIndex = 0
                case .pageTable:
                    convert.extractTableIndex = 1
                case .allTable:
                    convert.extractTableIndex = 2
                default:
                    KMPrint("未找到")
                }
            }
        case .ppt:
            convert = KMPDFConvertPPT()
        case .csv:
            convert = KMPDFConvertCSV()
            if settingData.csvOnlyTables {
                convert.isExtractTable = true
                switch settingData.excelTablesType {
                case .oneTable:
                    convert.extractTableIndex = 0
                case .pageTable:
                    convert.extractTableIndex = 1
                case .allTable:
                    convert.extractTableIndex = 2
                default:
                    KMPrint("未找到")
                }
            } else {
                convert.isExtractTable = false
            }
        case .image:
            convert = KMPDFConvertImage()
            convert.convertType = data.imageType
            
            var dpi: Int = 150
            if data.imageDpiIndex == 0 {
                dpi = 50
            } else if data.imageDpiIndex == 1 {
                dpi = 72
            } else if data.imageDpiIndex == 2 {
                dpi = 96
            } else if data.imageDpiIndex == 3 {
                dpi = 150
            } else if data.imageDpiIndex == 4 {
                dpi = 300
            } else if data.imageDpiIndex == 5 {
                dpi = 600
            } else {
                dpi = 150
            }
            
            if (convert.convertType == .jpeg) {
                (convert as! KMPDFConvertImage).imageType = .JPEG
                (convert as! KMPDFConvertImage).imageDpi = dpi
                
            } else if (convert.convertType == .png) {
                (convert as! KMPDFConvertImage).imageType = .PNG
                (convert as! KMPDFConvertImage).imageDpi = dpi
            } else {
                (convert as! KMPDFConvertImage).imageDpi = 150
            }
        case .html:
            convert = KMPDFConvertHTML()
        case .rtf:
            convert = KMPDFConvertRTF()
        case .json:
            convert = KMPDFConvertJson()
            if settingData.jsonType == .extractText {
                convert.isAllInOneSheet = false
            } else {
                convert.isAllInOneSheet = true
            }
        case .text:
            convert = KMPDFConvertText()
            
        default:
            KMPrint("不清楚")
        }
        return convert
    }
    
    //MARK: OCR
    func convertOCRExport(data: KMBatchSettingItemViewModel, outputFolderPath: String) {
        self.convertOCR(outputFolderPath: outputFolderPath, data: data as! KMOCRModel, filesData: self.batchFilesData)
    }
    
    func convertOCR(outputFolderPath: String, data: KMOCRModel, filesData: [KMBatchProcessingTableViewModel]?) {
        guard let filesData = filesData else { return }
        for i in 0..<filesData.count {
            let item = (filesData[i])
            let document = CPDFDocument.init(url: URL(fileURLWithPath: item.filePath))
            if document != nil {
                //计算需要处理的页面
                
                var fileName = item.filePath.deletingPathExtension.lastPathComponent
                if ((fileName.isEmpty)) {
                    fileName = NSLocalizedString("Untitled", comment: "")
                }
                let path = outputFolderPath + "/" + fileName + ".pdf"
                
                KMOCRManager.manager.convertBatchOCR(document: document!, saveFilePath: path, model: data, progress: { [unowned self] progress in
                    self.itemProgress(item: item, processValue: progress)
                }) { [unowned self] document, text, error in
                    if error == nil {
                        self.itemSuccess(item: item)
                    } else {
                        self.itemFailure(item: item, error: error! as NSError)
                    }
                    
                    if i == filesData.count - 1 {
                        self.batchSuccess()
                    }
                }
            }
        }
    }
    
    //MARK: 压缩
    func compressExport(data: KMBatchSettingItemViewModel, outputFolderPath: String) {
        self.compressFile(outputFolderPath: outputFolderPath, data: (data as? KMCompressSettingModel)!, filesData: self.batchFilesData)
    }
    
    func compressFile(outputFolderPath: String, data: KMCompressSettingModel, filesData: [KMBatchProcessingTableViewModel]) {
        if filesData.count != 0 {
            for i in 0..<filesData.count {
                let item = filesData[i]
                let document = CPDFDocument.init(url: URL(fileURLWithPath: item.filePath))
                if document != nil {
                    var fileName = item.filePath.deletingPathExtension.lastPathComponent
                    if ((fileName.isEmpty)) {
                        fileName = NSLocalizedString("Untitled", comment: "")
                    }
                    let path = outputFolderPath + "/" + fileName + ".pdf"
                    
                    KMCompressManager.shared.compress(documentURL: URL(fileURLWithPath: item.filePath), fileURL: URL(fileURLWithPath: path), limit: false, model: data) { currentPage, totalPages in
                        let progress = Float(currentPage) / Float(totalPages)
                        self.itemProgress(item: item, processValue: progress)
                    } cancelHandler: {
                        return false
                    } completionHandler: { [unowned self] isFinish in
                        if isFinish {
                            self.itemSuccess(item: item)
                        } else {
                            self.itemFailure(item: item, error: nil)
                        }
                        
                        if i == filesData.count - 1 {
                            self.batchSuccess()
                        }
                    }
                }
                
            }
        }
    }
    
    //MARK: 安全
    func securityExport(data: KMBatchSettingItemViewModel, outputFolderPath: String) {
        self.securityFile(outputFolderPath: outputFolderPath, data: data as! KMBatchSecurityViewModel, filesData: self.batchFilesData)
    }
    
    func securityFile(outputFolderPath: String, data: KMBatchSecurityViewModel, filesData: [KMBatchProcessingTableViewModel]) {
        if filesData.count != 0 {
            for i in 0..<filesData.count {
                let item = filesData[i]
                let docuemt = CPDFDocument.init(url: URL(fileURLWithPath: item.filePath))
                if (docuemt != nil) {
                    var fileName = item.filePath.deletingPathExtension.lastPathComponent
                    if ((fileName.isEmpty)) {
                        fileName = NSLocalizedString("Untitled", comment: "")
                    }
                    let path = outputFolderPath + "/" + fileName + ".pdf"
                    
                    var options: [CPDFDocumentWriteOption : Any] = [:]
                    //开启密码
                    if data.isOpenPassword &&
                        !data.openPasswordString.isEmpty {
                        options.updateValue(data.openPasswordString, forKey: .userPasswordOption)
                    }
//
                    //权限密码
                    if data.isPermission &&
                        !data.permissionString.isEmpty {
                        options.updateValue(data.permissionString, forKey: .ownerPasswordOption)
                    }
                        
                    // 限制打印
                    if data.restrictOptions.contains(.print) {
                        options.updateValue(false, forKey: .allowsPrintingOption)
                    } else {
                        options.updateValue(true, forKey: .allowsPrintingOption)
                    }
                    
                    //限制复制
                    if data.restrictOptions.contains(.copy) {
                        options.updateValue(false, forKey: .allowsCopyingOption)
                    } else {
                        options.updateValue(true, forKey: .allowsCopyingOption)
                    }
                    
                    
                    let result = docuemt!.write(toFile: path, withOptions: options)
//                    let result = docuemt!.write(to: URL(fileURLWithPath: path), withOptions: options)
                    if result {
                        KMPrint("成功")
                        self.itemSuccess(item: item)
                    } else {
                        KMPrint("失败")
                        self.itemFailure(item: item, error: nil)
                    }
                    
                    if i == filesData.count - 1 {
                        self.batchSuccess()
                        NSWorkspace.shared.activateFileViewerSelecting([URL(fileURLWithPath: outputFolderPath)])
                    }
                }
            }
        }
    }
    
    
    func waterMarkApplay(data: KMBatchSettingItemViewModel) {

    }
    
//    func waterMarkFile(data: KMWatermarkAdjectiveBaseModel, filesData: [KMBatchProcessingTableViewModel]?) {
//
//    }
    
    func backgroundApplay(data: KMBatchSettingItemViewModel) {
        
    }
    
    func backgroundFile(outputFolderPath: String, data: KMBackgroundModel, filesData: [KMBatchProcessingTableViewModel]?) {
        
    }
    
    
    func headAndFooterApplay(data: KMBatchSettingItemViewModel) {
        
    }
    
//    func headAndFooterFile(outputFolderPath: String, data: KMHeaderFooterModel, filesData: [KMBatchProcessingTableViewModel]?) {
//
//    }
    
    func batesApplay(data: KMBatchSettingItemViewModel) {
        
    }
    
    func batesFile(outputFolderPath: String, data: KMBatesModel, filesData: [KMBatchProcessingTableViewModel]?) {
        
    }
    
    
    func removeApplay(data: KMBatchSettingItemViewModel, outputFolderPath: String) {
        self.removeFile(outputFolderPath: outputFolderPath, data: data as! KMBatchRemoveViewModel, filesData: self.batchFilesData)
    }
    
    func removeFile(outputFolderPath: String, data: KMBatchRemoveViewModel, filesData: [KMBatchProcessingTableViewModel]) {
        if filesData.count != 0 {
            for i in 0..<filesData.count {
                let item = filesData[i]
//                DispatchQueue.global().async {
                    var fileName = item.filePath.deletingPathExtension.lastPathComponent
                    if ((fileName.isEmpty)) {
                        fileName = NSLocalizedString("Untitled", comment: "")
                    }
                    
                    let path = outputFolderPath + "/" + fileName + ".pdf"
                    let document = CPDFDocument.init(url: URL(fileURLWithPath: item.filePath))
                    if document != nil {
                        if (document!.allowsPrinting == false || document!.allowsCopying == false) {
                            let alert = NSAlert()
                            alert.alertStyle = .critical
                            alert.messageText = "此文档不允许修改"
                            alert.runModal()
                            return
                        }
                        
                        if (data.options.contains(.security)) {
                            
                        }
                        
                        if (data.options.contains(.batesNumber)) {
                            let property = document!.bates()
                            property?.clear()
                        }
                        if (data.options.contains(.headerAndFooter)) {
                            let property = document!.headerFooter()
                            property?.clear()
                        }
                        if (data.options.contains(.background)) {
                            let property = document!.background()
                            property?.clear()
                        }
                        if (data.options.contains(.watermark)) {
                            let array: Array<CPDFWatermark> = document!.watermarks() ?? []
                            for model in array {
                                document!.removeWatermark(model)
                            }
                        }
                        
                        if (FileManager.default.fileExists(atPath: path)) {
                            try?FileManager.default.removeItem(atPath: path)
                        }
                        
                        let result = document!.write(to: URL(fileURLWithPath: path))
                        if (result) {
                            KMPrint("removeFile成功")
                            self.itemSuccess(item: item)
                        } else {
                            KMPrint("removeFile失败")
                            self.itemFailure(item: item, error: nil)
                        }
                        if i == filesData.count - 1 {
                            self.batchSuccess()
                        }
                        NSWorkspace.shared.activateFileViewerSelecting([URL(fileURLWithPath: outputFolderPath)])
                    }
//                }
            }
        }
    }
}

//MARK: private
extension KMBatchManager {
    func fetchDocument(filePath: String, model: KMBatchProcessingTableViewModel) -> CPDFDocument {
        var document = CPDFDocument(url: URL(fileURLWithPath: filePath))
        
        
        if model.pageRange == .all {
            
        } else {
            let data = KMOCRModel()
            data.pageRangeType = model.pageRange
            data.pageRangeString = model.pageRangeString
           
            let pages:[Int] = KMOCRManager.manager.fetchPageIndex(document: document!, model: data)
            
            var tempDocument = CPDFDocument()
            for i in 0..<pages.count {
                let page = document?.page(at: UInt(i))
                tempDocument?.insertPageObject(page, at: tempDocument?.pageCount ?? 0)
            }
            
            let fileName = filePath.deletingPathExtension.lastPathComponent
            let isSuccess = tempDocument?.write(toFile: self.fetchTempFilePath(fileName: fileName))
            if isSuccess != nil {
                document = tempDocument
            }
        }
        
        return document ?? CPDFDocument()
    }
    
    func fetchTempFilePath(fileName: String) -> String {
        let floderPath = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.applicationSupportDirectory, FileManager.SearchPathDomainMask.userDomainMask, true).last?.stringByAppendingPathComponent(Bundle.main.bundleIdentifier!).stringByAppendingPathComponent("BatchTemp")
        let filePath = floderPath?.stringByAppendingPathComponent("\(fileName).pdf")

        if let data = floderPath, !FileManager.default.fileExists(atPath: data) {
            try?FileManager.default.createDirectory(atPath: data, withIntermediateDirectories: false)
        }
        if let data = filePath, !FileManager.default.fileExists(atPath: data) {
            FileManager.default.createFile(atPath: data, contents: nil)
        }
        return filePath ?? ""
    }
    
    func removeTempFilePath(filePath: String) {
        let fileName = filePath.deletingPathExtension.lastPathComponent
        let path = self.fetchTempFilePath(fileName: fileName)
        
        if (FileManager.default.fileExists(atPath: path)) {
            try?FileManager.default.removeItem(atPath: path)
        }
    }
}

//MARK: Alert
extension KMBatchManager {
    func batchUnkown() {
        self.state = .unknow
        NotificationCenter.default.post(name: NSNotification.Name(kBacthProcessNotification), object: nil)
    }
    
    func batchProgress() {
        self.state = .processing
        NotificationCenter.default.post(name: NSNotification.Name(kBacthProcessNotification), object: nil)
    }
    
    func batchSuccess() {
        self.state = .complete
        NotificationCenter.default.post(name: NSNotification.Name(kBacthProcessNotification), object: nil)
    }
    
    func batchFailure() {
        self.state = .error
        NotificationCenter.default.post(name: NSNotification.Name(kBacthProcessNotification), object: nil)
    }
    
    func itemProgress(item: KMBatchProcessingTableViewModel, processValue: Float) {
        if processValue > 0.7 {
            item.state = .loading70
        } else {
            item.state = .loading
        }
        NotificationCenter.default.post(name: NSNotification.Name(kBacthFilesProcessNotification), object: item)
    }
    
    func itemSuccess(item: KMBatchProcessingTableViewModel) {
        self.removeTempFilePath(filePath: item.filePath)
        item.state = .success
        NotificationCenter.default.post(name: NSNotification.Name(kBacthFilesProcessNotification), object: item)
    }
    
    func itemFailure(item: KMBatchProcessingTableViewModel, error: NSError?) {
        self.removeTempFilePath(filePath: item.filePath)
        item.state = .error
        NotificationCenter.default.post(name: NSNotification.Name(kBacthFilesProcessNotification), object: item)
        
        guard let error = error else { return }
        var errorString = ""
        let myError: NSError = error as NSError
        if myError.code == 1 {
            errorString = NSLocalizedString("Password required or incorrect password. Please re-enter your password and try again", comment: "")
        } else if myError.code == 2 {
            errorString = NSLocalizedString("The license doesn't allow the permission", comment: "")
        } else if myError.code == 3 {
            errorString = NSLocalizedString("Malloc failure", comment: "")
        } else if myError.code == 4 {
            errorString = NSLocalizedString("Unknown error in processing conversion. Please try again later", comment: "")
        } else if myError.code == 5 {
            errorString = NSLocalizedString("Unknown error in processing PDF. Please try again later", comment: "")
        } else if myError.code == 6 {
            errorString = NSLocalizedString("File not found or could not be opened. Check if your file exists or choose another file to convert", comment: "")
        } else if myError.code == 7 {
            errorString = NSLocalizedString("File not in PDF format or corruptead. Change a PDF file and try again", comment: "")
        } else if myError.code == 8 {
            errorString = NSLocalizedString("Unsupported security scheme", comment: "")
        } else if myError.code == 9 {
            errorString = NSLocalizedString("Page not found or content error", comment: "")
        } else {
            errorString = NSLocalizedString("Table not found", comment: "")
        }
        
        let alert = NSAlert()
        alert.alertStyle = .critical
        alert.messageText = NSLocalizedString("Conversion Failed", comment: "")
        alert.informativeText = errorString
        alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
        alert.runModal()
    }
}