PDF_Office/PDF Office/PDF Master/Class/PDFTools/Compress/View/KMCompressView.swift

//
//  KMCompressView.swift
//  PDF Reader Pro
//
//  Created by lizhe on 2023/11/8.
//

import Cocoa
import KMComponentLibrary

typealias KMCompressViewCancelAction = (_ view: KMCompressView ) -> Void
typealias KMCompressViewBatchAction = (_ view: KMCompressView ) -> Void
typealias KMCompressViewCompressAction = (_ view: KMCompressView, _ model: KMCompressSettingModel, _ showView: KMCompressContentView?) -> Void

class KMCompressView: BaseXibView {

    @IBOutlet weak var previewBox: KMBox!
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var sizeLabel: NSTextField!
    @IBOutlet weak var finalSizeLabel: NSTextField!
    @IBOutlet weak var fileImageView: NSImageView!
    @IBOutlet weak var progressSizeLabel: NSTextField!
    @IBOutlet weak var progress: NSProgressIndicator!
    
    @IBOutlet weak var compressContentView: KMCompressContentView!
    
    @IBOutlet weak var compressButton: ComponentButton!
    @IBOutlet weak var cancelButton: ComponentButton!
    @IBOutlet weak var batchButton: ComponentButton!
    
    var cancelAction: KMCompressViewCancelAction?
    var batchAction: KMCompressViewBatchAction?
    var compressAction: KMCompressViewCompressAction?
    
    var model: KMCompressSettingModel = KMCompressSettingModel(modelsType: .standard)
    
    var documentURL: URL? {
        didSet {
            self.reloadData()
        }
    }
    var password: String = ""
//    private var datas: [String] = []
//    var selectIndex = 2
//    
//    var limit = true
    var oriDocumentUrl: URL?
    
    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)

        // Drawing code here.
    }

    override func setup() {
        updateUI()
        updateUILanguage()
    }
    
    func updateUI() {
        previewBox.fillColor = NSColor.black.withAlphaComponent(0.04)
        previewBox.cornerRadius = 4.0
        
        progress.doubleValue = 0;
        progress.isHidden = true
        progressSizeLabel.isHidden = true
        
        self.compressContentView.selectTypeAction = {[unowned self] view, tModel in
            self.model = tModel
        }
        
        compressContentView.compressAction = {[unowned self] view, tModel in
            guard let callBack = compressAction else { return }
            
            
            callBack(self, self.model, view)
        }
        
        compressButton.properties = ComponentButtonProperty(type: .primary, size: .xs, buttonText: KMLocalizedString("Compress"), keepPressState: false)
        compressButton.setTarget(self, action: #selector(compressButtonAction(_:)))
        
        cancelButton.properties = ComponentButtonProperty(type: .default_tertiary, size: .xs, buttonText: KMLocalizedString("Cancel"), keepPressState: false)
        cancelButton.setTarget(self, action: #selector(cancelButtonAction(_:)))
        
        batchButton.properties = ComponentButtonProperty(type: .default_tertiary, size: .xs, buttonText: KMLocalizedString("Batch"), keepPressState: false)
        batchButton.setTarget(self, action: #selector(batchButtonAction(_:)))
    }
    
    override func updateUILanguage() {

    }
    
    func reloadData() {
        self.compressContentView.model = KMCompressSettingModel(modelsType: .standard)
        
        let url = documentURL ?? URL(string: "")
        if url != nil {
            let filePath = url!.path
            let attrib = try? FileManager.default.attributesOfItem(atPath: filePath)
            if attrib != nil {
                let sizeFloat: Float = attrib![FileAttributeKey(rawValue: "NSFileSize")] as? Float ?? 0.0
                sizeLabel.stringValue = self.fileSizeString(sizeFloat)
                
                titleLabel.stringValue = filePath.lastPathComponent
                finalSizeLabel.isHidden = true
                
                let pdfDocument = CPDFDocument(url: url)
                pdfDocument?.unlock(withPassword: self.password)
                let page = pdfDocument?.page(at: 0) ?? CPDFPage()
                let image = page.thumbnail(of: page.size)
//                let image: NSImage = NSImage.previewForFile(path: url!, ofSize: fileImageView.bounds.size, asIcon: true) ?? NSImage()
                fileImageView.image = image;
            }
        }
    }

    func fileSizeString(_ fSize: Float) -> String {
        let fileSize = fSize / 1024
        let size = fileSize >= 1024 ? (fileSize < 1048576 ? fileSize/1024 : fileSize/1048576.0) : fileSize
        let unit = fileSize >= 1024 ? (fileSize < 1048576 ? "M" : "G") : "K"
        return String(format: "%0.1f %@", size, unit)
    }
}

//MARK: Action
extension KMCompressView {
    @IBAction func batchButtonAction(_ sender: Any) {
        guard let callBack = batchAction else { return }
        
        callBack(self)
    }
    
    @IBAction func cancelButtonAction(_ sender: Any) {
        guard let callBack = cancelAction else { return }
        
        callBack(self)
    }
    
    @IBAction func compressButtonAction(_ sender: Any) {
        guard let callBack = compressAction else { return }
        
        
        callBack(self, self.model, nil)
    }
}