//
//  KMSecureEncryptWindowController.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2022/11/28.
//

import Cocoa

typealias KMSecureEncryptWindowControllerItemClick = (Int) -> ()
typealias KMSecureEncryptWindowControllerResultCallback = (Bool) -> ()
class KMSecureEncryptWindowController: NSWindowController {
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var topLine: NSBox!
    
    @IBOutlet weak var tableView: NSTableView!
    
    @IBOutlet weak var bottomLine: NSBox!
    @IBOutlet weak var batchEncryptButton: NSButton!
    @IBOutlet weak var cancelBox: NSBox!
    @IBOutlet weak var encryptBox: NSBox!
    
    var documentURL: URL!
    var myDocument: CPDFDocument!
    
    var cancelVC: KMDesignButton!
    var encryptVC: KMDesignButton!

    private var model: KMSecureEncryptModel = KMSecureEncryptModel()
    
    var itemClick: KMSecureEncryptWindowControllerItemClick!
    var resultCallback: KMSecureEncryptWindowControllerResultCallback!
    
    private var myOptions: [CPDFDocumentWriteOption : Any]?
    var options: [CPDFDocumentWriteOption : Any]? {
        get {
            return myOptions
        }
    }
    
    var canEncrypt: Bool = true
    
    deinit {
        KMPrint("KMSecureEncryptWindowController 已释放了")
    }
    
    override func windowDidLoad() {
        super.windowDidLoad()
//        self.window?.appearance = NSAppearance(named: .aqua)
        
        cancelVC = KMDesignButton.init(withType: .Text)
        encryptVC = KMDesignButton.init(withType: .Text)
        cancelBox.fillColor = .clear
        cancelBox.contentView = cancelVC.view
        encryptBox.fillColor = .clear
        encryptBox.contentView = encryptVC.view
        
        titleLabel.stringValue = NSLocalizedString("Set Passwords", comment: "")
        self.topLine.isHidden = true
        
        tableView.delegate = self
        tableView.dataSource = self
        tableView.selectionHighlightStyle = .none
        
        self.bottomLine.isHidden = true
        batchEncryptButton.title = NSLocalizedString("Batch", comment: "")
        batchEncryptButton.isBordered = false
        batchEncryptButton.wantsLayer = true
        batchEncryptButton.layer?.borderWidth = 1
        batchEncryptButton.layer?.cornerRadius = 4
        batchEncryptButton.target = self
        batchEncryptButton.action = #selector(batchEncryptButtonAction)
        batchEncryptButton.isHidden = true
        
        cancelVC.target = self
        cancelVC.action = #selector(cancelButtonAction)
        cancelVC.stringValue = NSLocalizedString("Cancel", comment: "")
        cancelVC.button(type: .Sec, size: .m)
        self.cancelVC.button.keyEquivalent = KMKeyEquivalent.esc.string()

        encryptVC.target = self
        encryptVC.action = #selector(encryptButtonAction)
        encryptVC.stringValue = NSLocalizedString("Encrypt", comment: "")
        encryptVC.button(type: .Cta, size: .m)
        self.encryptVC.button.keyEquivalent = KMKeyEquivalent.enter

        updateEncryptButtonEnabledState()
        
        self.initUIProperty()
    }
    
    private func initUIProperty() {
        self.titleLabel.textColor = NSColor.titleColor()
        
        self.batchEncryptButton.setTitleColor(color: NSColor.buttonTitleColor())
        self.batchEncryptButton.layer?.borderColor = NSColor.buttonBorderColor().cgColor
    }
    
    @objc func batchEncryptButtonAction() {
        guard let callback = itemClick else {
            return
        }
        
        callback(1)
    }
    
    @objc func cancelButtonAction() {
        guard let callback = itemClick else {
            return
        }
        
        callback(2)
    }
    
    @objc func encryptButtonAction() {
        if (!self.canEncrypt) {
            return
        }
        
        if (myDocument != nil) {
            var options: [CPDFDocumentWriteOption : Any] = [:]
            if model.openPasswordOn && model.ownerPasswordOn { ///  开启密码 & 权限密码
                if (!model.openPassword.isEmpty) {
                    options.updateValue(model.openPassword, forKey: .userPasswordOption)
                }
                
                if (!model.ownerPassword.isEmpty) {
                    options.updateValue(model.ownerPassword, forKey: .ownerPasswordOption)
                }
                
                /// 允许打印
                if model.printEnabled {
                    if model.printAllowed == false {
                        options.updateValue(false, forKey: .allowsPrintingOption)
                    } else {
                        options.updateValue(true, forKey: .allowsPrintingOption)
                        if model.printSelectedIndex == 2 {
                            options.updateValue(true, forKey: .allowsHighQualityPrintingOption)
                        }
                    }
                }
                
                /// 允许更改
                if model.editEnabled {
                    if model.editSelectedIndex == 1 {
                        options.updateValue(true, forKey: .allowsDocumentChangesOption)
                        options.updateValue(true, forKey: .allowsDocumentAssemblyOption)
                    } else if model.editSelectedIndex == 2 {
                        options.updateValue(true, forKey: .allowsDocumentChangesOption)
                        options.updateValue(true, forKey: .allowsFormFieldEntryOption)
                    } else if model.editSelectedIndex == 3 {
                        options.updateValue(true, forKey: .allowsDocumentChangesOption)
                        options.updateValue(true, forKey: .allowsFormFieldEntryOption)
                        options.updateValue(true, forKey: .allowsCommentingOption)
                    } else if model.editAllowed == true {
                        options.updateValue(true, forKey: .allowsCopyingOption)
                        options.updateValue(true, forKey: .allowsDocumentChangesOption)
                        options.updateValue(true, forKey: .allowsDocumentAssemblyOption)
                        options.updateValue(true, forKey: .allowsCommentingOption)
                        options.updateValue(true, forKey: .allowsFormFieldEntryOption)
                    } else {
                        options.updateValue(false, forKey: .allowsCopyingOption)
                    }
                }
                
                /// 加密层级 sdk 缺接口
            } else if model.openPasswordOn { /// 开启密码
                if (!model.openPassword.isEmpty) {
                    options.updateValue(model.openPassword, forKey: .userPasswordOption)
                }
                
                /// 加密层级 sdk 缺接口
            } else if model.ownerPasswordOn { /// 权限密码
                if (!model.ownerPassword.isEmpty) {
                    options.updateValue(model.ownerPassword, forKey: .ownerPasswordOption)
                }
                
                /// 允许打印
                if model.printEnabled {
                    if model.printAllowed == false {
                        options.updateValue(false, forKey: .allowsPrintingOption)
                    } else {
                        options.updateValue(true, forKey: .allowsPrintingOption)
                        if model.printSelectedIndex == 2 {
                            options.updateValue(true, forKey: .allowsHighQualityPrintingOption)
                        }
                    }
                }
                
                /// 允许更改
                if model.editEnabled {
                    if model.editSelectedIndex == 1 {
                        options.updateValue(true, forKey: .allowsDocumentChangesOption)
                        options.updateValue(true, forKey: .allowsDocumentAssemblyOption)
                    } else if model.editSelectedIndex == 2 {
                        options.updateValue(true, forKey: .allowsDocumentChangesOption)
                        options.updateValue(true, forKey: .allowsFormFieldEntryOption)
                    } else if model.editSelectedIndex == 3 {
                        options.updateValue(true, forKey: .allowsDocumentChangesOption)
                        options.updateValue(true, forKey: .allowsFormFieldEntryOption)
                        options.updateValue(true, forKey: .allowsCommentingOption)
                    } else if model.editAllowed == true {
                        options.updateValue(true, forKey: .allowsCopyingOption)
                        options.updateValue(true, forKey: .allowsDocumentChangesOption)
                        options.updateValue(true, forKey: .allowsDocumentAssemblyOption)
                        options.updateValue(true, forKey: .allowsCommentingOption)
                        options.updateValue(true, forKey: .allowsFormFieldEntryOption)
                    } else {
                        options.updateValue(false, forKey: .allowsCopyingOption)
                    }
                }
                
                /// 加密层级 sdk 缺接口
            }

//            let result = myDocument.write(to: documentURL, withOptions: options)
//            myDocument.setPasswordOptions(options)
            self.myOptions = options
            
            guard let callback = resultCallback else {
                return
            }
            
            callback(true)
        }
    }
    
    func updateEncryptButtonEnabledState() {
        var enabled = false
        if model.openPasswordOn {
            if !model.openPassword.isEmpty {
                enabled = true
            }
        }
        
        if !enabled {
            if model.ownerPasswordOn {
                if !model.ownerPassword.isEmpty && (!model.printAllowed || !model.editAllowed) {
                    enabled = true
                }
            }
        } else {
            if model.ownerPasswordOn {
                if !model.ownerPassword.isEmpty && (!model.printAllowed || !model.editAllowed) {
                    
                } else {
                    enabled = false
                }
            }
        }
        
        self.canEncrypt = enabled
        if enabled {
            encryptVC.state = .Norm
        } else {
            encryptVC.state = .Disabled
        }
    }
}

extension KMSecureEncryptWindowController: NSTableViewDataSource {
    func numberOfRows(in tableView: NSTableView) -> Int {
        return 5
    }
    
    func tableView(_ tableView: NSTableView, heightOfRow row: Int) -> CGFloat {
        if (row == 0) {
            return 0.01
        } else if (row == 1) { // 6 + 22 + 10 + 32
            return 70
        } else if (row == 2) { // 6 + 22 + 10 + 32
            return 70
        }
        // 22 + 8
        return 30
    }
}

extension KMSecureEncryptWindowController: NSTableViewDelegate {
    func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
        if row == 1 {
            var cellView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("CellID"), owner: self)
            
            if cellView == nil {
                cellView = KMSecureEncryptPasswordCellView()
            }
            
            let myCellView: KMSecureEncryptPasswordCellView = cellView! as! KMSecureEncryptPasswordCellView
            myCellView.checkBox.title = NSLocalizedString("Document Open Password", comment: "")
            myCellView.checkBox.setTitleColor(color: NSColor.buttonTitleColor())
            myCellView.setPlaceholderString(NSLocalizedString("Open Password", comment: ""))
            if model.openPasswordOn {
                myCellView.checkBox.state = .on
            } else {
                myCellView.checkBox.state = .off
            }
            
            myCellView.itemClick = { [unowned self] itemView, _ in
                self.model.openPasswordOn = itemView!.kmEnabled
                self.updateEncryptButtonEnabledState()
            }
            
            myCellView.valueChange = { [unowned self] string,_ in
                if let value = (string as? String) {
                    self.model.openPassword = value
                }
                
                self.updateEncryptButtonEnabledState()
            }
            
            return cellView
        } else if row == 2 {
            var cellView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("CellID"), owner: self)
            
            if cellView == nil {
                cellView = KMSecureEncryptPasswordCellView()
            }
            
            let myCellView: KMSecureEncryptPasswordCellView = cellView! as! KMSecureEncryptPasswordCellView
            myCellView.checkBox.title = NSLocalizedString("Document Permission Password", comment: "")
            myCellView.checkBox.setTitleColor(color: NSColor.buttonTitleColor())
            myCellView.setPlaceholderString(NSLocalizedString("Permission Password", comment: ""))
            
            if model.ownerPasswordOn {
                myCellView.checkBox.state = .on
            } else {
                myCellView.checkBox.state = .off
            }
            
            myCellView.itemClick = { [unowned self] itemView, _ in
                if (itemView!.kmEnabled) {
                    self.model.ownerPasswordOn = true
                    self.model.printEnabled = true
                    self.model.editEnabled = true
                    self.model.printAllowed = false
                    self.model.editAllowed = false
                } else {
                    self.model.ownerPasswordOn = false
                    self.model.printEnabled = false
                    self.model.editEnabled = false
                    self.model.printAllowed = true
                    self.model.editAllowed = true
                }
                
                self.updateEncryptButtonEnabledState()
                self.tableView.reloadData(forRowIndexes: IndexSet.init(arrayLiteral: 3, 4), columnIndexes: IndexSet.init(integer: 0))
            }
            
            myCellView.valueChange = { [unowned self] string, _ in
                if let value = (string as? String) {
                    self.model.ownerPassword = value
                }
                
                self.updateEncryptButtonEnabledState()
            }
            
            return cellView
        } else if row == 3 {
            var cellView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("CellID"), owner: self)
            
            if cellView == nil {
                cellView = KMSecureEncryptCheckCellView()
            }
            
            let myCellView: KMSecureEncryptCheckCellView = cellView! as! KMSecureEncryptCheckCellView
            myCellView.check?.title = NSLocalizedString("Restrict document printing", comment: "")
            myCellView.kmEnabled = model.printEnabled
            if (self.model.printAllowed) {
                myCellView.check?.state = .off
            } else {
                myCellView.check?.state = .on
            }
            
            myCellView.itemClick = { [unowned self] result in
                self.model.printAllowed = !result
                self.updateEncryptButtonEnabledState()
            }
            
            return cellView
        } else if row == 4 {
            var cellView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("CellID"), owner: self)
            
            if cellView == nil {
                cellView = KMSecureEncryptCheckCellView()
            }
            
            let myCellView: KMSecureEncryptCheckCellView = cellView! as! KMSecureEncryptCheckCellView
            myCellView.check?.title = NSLocalizedString("Restrict content copying", comment: "")
            myCellView.kmEnabled = model.editEnabled
            if (self.model.editAllowed) {
                myCellView.check?.state = .off
            } else {
                myCellView.check?.state = .on
            }
            
            myCellView.itemClick = { [unowned self] result in
                self.model.editAllowed = !result
                self.updateEncryptButtonEnabledState()
            }
            
            return cellView
        } else if row == 5 {
            var cellView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("CellID"), owner: self)
            
            if cellView == nil {
                cellView = KMSecureEncryptComboBoxCellView()
            }
            
            let myCellView: KMSecureEncryptComboBoxCellView = cellView! as! KMSecureEncryptComboBoxCellView
            myCellView.titleLabel.stringValue = NSLocalizedString("加密级别", comment: "")
            myCellView.comboBox.removeAllItems()
            myCellView.comboBox.addItems(withObjectValues: model.encryptLevetArray)
            myCellView.comboBox.selectItem(at: model.editSelectedIndex)
            
            myCellView.itemClick = { [unowned self] _, index in
                self.model.encryptLevelSelectedIndex = index
            }
            
            return cellView
        }
        
        var cellView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("CellID"), owner: self)
        if cellView == nil {
            cellView = NSView.init()
        }
        
        return cellView
    }
}