//
//  KMGeneralPreferences.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/11/6.
//

import Cocoa

class KMGeneralPreferences: NSViewController {
    /*
     #define  @""
     #define AUTOMATICALLYCHECKSFORUPDATES_KEY @"automaticallyChecksForUpdates"
     #define UPDATECHECKINTERVAL_KEY @"updateCheckInterval"
     */
    private let UPDATEINTERVAL_KEY = "updateInterval"
    private let SUScheduledCheckIntervalKey = "SUScheduledCheckInterval"
    
    @IBOutlet weak var authorLabel: NSTextField!
    @IBOutlet weak var authorTextField: NSTextField!
    
    @IBOutlet weak var openTabLabel: NSTextField!
    @IBOutlet weak var openTabButton: NSPopUpButton!
    @IBOutlet weak var showConvertMenuButton: NSButton!
    @IBOutlet weak var defaultOpenButton: NSButton!
    @IBOutlet weak var reopenLastOpenFilesButton: NSButton!
    @IBOutlet weak var autoSaveLbl: NSTextField!
    @IBOutlet weak var autoSaveInfoBtn: NSButton!
    @IBOutlet weak var autoSaveSlider: NSSlider!
    
    @IBOutlet weak var openFilesLabelField: NSTextField!
    @IBOutlet weak var openFilesMatrix: NSMatrix!
    @IBOutlet weak var openFileForDefaultButton: NSButtonCell!
    @IBOutlet weak var openFileForMaximButton: NSButtonCell!
    @IBOutlet weak var openFileForFitButton: NSButtonCell!
    
    @IBOutlet weak var showLeftSideButton: NSButton!
    @IBOutlet weak var editPDFPopWindowIsShowButton: NSButton!
    @IBOutlet weak var rememberSnapshotButton: NSButton!
    @IBOutlet weak var revertInitPDFSetLabel: NSTextField!
    @IBOutlet weak var normalButton: NSButton!
    @IBOutlet weak var fullScreenButton: NSButton!
    
    @IBOutlet weak var autoSaveLabel: NSTextField!
    @IBOutlet weak var autoSaveNotesBackupButton: NSButton!
    @IBOutlet weak var keepSnapshotOnTopButton: NSButton!
    
    @IBOutlet var savePwdKeychainLabel: NSTextField!
    @IBOutlet var savePasswordsMatrix: NSMatrix!
    @IBOutlet weak var savePwdForAlwaysButton: NSButtonCell!
    @IBOutlet weak var savePwdForNeverButton: NSButtonCell!
    @IBOutlet weak var savePwdForAskButton: NSButtonCell!
    
    @IBOutlet var updateIntervalPopUpButton: NSPopUpButton!
    @IBOutlet var updateIntervalLabelField: NSTextField!
    
    var revertPDFSettingsButtons: [NSButton] = []
    
    var updateInterval: Float = 0 {
        didSet {
            
        }
    }
    
    deinit {
        KMPrint("KMGeneralPreferences deinit.")
    }
    
    override var nibName: NSNib.Name? {
        return "GeneralPreferences"
    }
    
    override func loadView() {
        super.loadView()
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.authorLabel.stringValue = KMLocalizedString("Author:", nil)
        self.authorTextField.delegate = self
        
        self.openTabLabel.stringValue = String(format: "%@:", KMLocalizedString("Open a document in", nil))
        for item in self.openTabButton.itemArray {
            item.title = KMLocalizedString(item.title, nil)
        }
        self.showConvertMenuButton.title = KMLocalizedString("Show LynxPDF Editor in menu bar", nil)
        self.defaultOpenButton.title = KMLocalizedString("Set LynxPDF Editor as the default PDF viewer", nil)
        self.reopenLastOpenFilesButton.title = KMLocalizedString("Reopen last open files at startup", nil)
        self.autoSaveInfoBtn.title = KMLocalizedString("Autosave Documents", nil)
        
        openFilesLabelField.stringValue = KMLocalizedString("Open files:", nil)
        openFileForDefaultButton.title = KMLocalizedString("Default", nil)
        openFileForMaximButton.title = KMLocalizedString("Maximized", nil)
        openFileForFitButton.title = KMLocalizedString("Fit", nil)
        showLeftSideButton.title = KMLocalizedString("Tick to show left sidebar when open", nil)
        self.editPDFPopWindowIsShowButton.title = NSLocalizedString("Show quick entrance while editing content", comment: "")
        self.editPDFPopWindowIsShowButton.target = self
        self.editPDFPopWindowIsShowButton.action = #selector(editPDFPopWindowShowAction)
        rememberSnapshotButton.title = KMLocalizedString("Remember snapshots", nil)
        revertInitPDFSetLabel.stringValue = KMLocalizedString("Revert initial PDF view settings for:", nil)
        normalButton.title = KMLocalizedString("Normal", nil)
        fullScreenButton.title = KMLocalizedString("Full Screen", nil)
        autoSaveLabel.stringValue = KMLocalizedString("To set the initial PDF view settings, choose \"Use Current View Settings as Default\" from the PDF menu.", nil)
        autoSaveNotesBackupButton.title = KMLocalizedString("Automatically save LynxPDF Editor notes backups", nil)
        keepSnapshotOnTopButton.title = KMLocalizedString("Keep snapshot windows on top", nil)
        updateIntervalLabelField.stringValue = KMLocalizedString("Check for PDF Reader Pro Edition updates:", nil)
        savePwdKeychainLabel.stringValue = KMLocalizedString("Save passwords in Keychain:", nil)
        savePwdForAlwaysButton.title = KMLocalizedString("Always", nil)
        savePwdForNeverButton.title = KMLocalizedString("Never", nil)
        savePwdForAskButton.title = KMLocalizedString("Ask", nil)
        
        self.authorLabel.sizeToFit()
        var frame = self.authorTextField.frame
        frame.origin.x = NSMaxX(self.authorLabel.frame)+5
        self.authorTextField.frame = frame
        self.openTabLabel.sizeToFit()
        frame = self.openTabButton.frame
        frame.origin.x = NSMaxX(self.openTabLabel.frame)+5
        self.openTabButton.frame = frame
        self.openTabButton.isEnabled = true
        
        self.revertPDFSettingsButtons = [self.normalButton, self.fullScreenButton]
        KMAutoSizeButtons(self.revertPDFSettingsButtons, rightAlign: false)
        _ = KMAutoSizeLabelFields([openFilesLabelField], [openFilesMatrix], false)
        let dw = KMAutoSizeLabelFields([updateIntervalLabelField], [updateIntervalPopUpButton], false)
        self.openFilesMatrix.sizeToFit()
        self.savePasswordsMatrix.sizeToFit()
        KMShiftAndResizeView(self.view, dx: 0.0, dw: dw)
        
#if VERSION_FREE
    if IAPProductsManager.default().isAvailableAllFunction() == false {
        KMPreference.shared.openDocumentType = .newWindow
    }
#endif
        self.initData()
    }
    
    func initData() {
        self.authorTextField.stringValue = KMPreferenceManager.shared.author
        
        if KMPreference.shared.openDocumentType == .newWindow{
            self.openTabButton.selectItem(at: 1)
        }else{
            self.openTabButton.selectItem(at: 0)
        }

        self.showConvertMenuButton.state = KMStatusBar.system().isShow ? .on : .off
        
        self.defaultOpenButton.state = KMPreference.shared.setDefaultPDFReader ? .on : .off
        self.reopenLastOpenFilesButton.state = KMPreference.shared.openLastUnclosedDocumentWhenAppStart ? .on : .off
        self.autoSaveInfoBtn.state = AutoSaveManager.manager.autoSaveEnabled ? .on : .off
        self.autoSaveSlider.isEnabled = AutoSaveManager.manager.autoSaveEnabled
        if (AutoSaveManager.manager.timeInterval > 1) {
            self.autoSaveSlider.floatValue = Float((AutoSaveManager.manager.timeInterval - 1) / 19)
        } else {
            self.autoSaveSlider.floatValue = 0
        }
        self.autoSaveLbl.stringValue = String(format: "%.0f %@", AutoSaveManager.manager.timeInterval, KMLocalizedString("minute(s)", nil))
        
        self._selectOpenFileType(KMPreference.shared.openFileType)
        self.showLeftSideButton.state = KMPreference.shared.showLeftSideBar ? .on : .off
        self.editPDFPopWindowIsShowButton.state = KMPreference.shared.editPDFPopWindowIsShow ? .on : .off
        self.rememberSnapshotButton.state = KMPreference.shared.rememberSnapshot ? .on : .off
        self.autoSaveNotesBackupButton.state = KMPreference.shared.autoSaveNoteBackup ? .on : .off
        self.keepSnapshotOnTopButton.state = KMPreference.shared.keepSnapshotWindowToTop ? .on : .off
        self._selectSavePasswordType(KMPreference.shared.savePasswordType)
        
        self._synchronizeUpdateInterval()
        self._updateRevertButtons()
    }
    
    @IBAction func revertPDFViewSettings(_ sender: AnyObject?) {
        NSUserDefaultsController.shared.revertToInitialValue(forKey: KMDefaultPDFDisplaySettingsKey)
//        KMPreference.shared.revertInitPDFViewSettingType = .normal
    }
    
    @IBAction func revertFullScreenPDFViewSettings(_ sender: AnyObject?) {
        NSUserDefaultsController.shared.revertToInitialValue(forKey: KMDefaultFullScreenPDFDisplaySettingsKey)
//        KMPreference.shared.revertInitPDFViewSettingType = .fullScreen
    }
    
    @IBAction func defaultOpenButtonAction(_ sender: AnyObject?) {
        KMPreference.shared.setDefaultPDFReader = self.defaultOpenButton.state == .on
    }
    
    @IBAction func openTabButtonAction(_ sender: AnyObject?) {
        var tabbingMode = NSWindow.TabbingMode.automatic
        if (self.openTabButton.indexOfSelectedItem == 0) {
#if VERSION_FREE
            if IAPProductsManager.default().isAvailableAllFunction() == false {
                KMPreference.shared.openDocumentType = .newWindow
                KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
                self.openTabButton.selectItem(at: 1)
                return
            }
#endif
            tabbingMode = .preferred
            KMPreference.shared.openDocumentType = .inSameWindow
        } else if (self.openTabButton.indexOfSelectedItem == 1) {
            tabbingMode = .disallowed
            KMPreference.shared.openDocumentType = .newWindow
        }
        for document in NSDocumentController.shared.documents {
            guard let _doc = document as? KMMainDocument else {
                continue
            }
            for windowController in _doc.windowControllers {
//                windowController.window?.tabbingMode = tabbingMode
            }
        }
    }
    
    @IBAction func showConvertMenuButtonAction(_ sender: AnyObject?) {
        if self.showConvertMenuButton.state == .on {
            KMStatusBar.system().isShow = true
        } else {
            KMStatusBar.system().isShow = false
        }
        KMPreference.shared.showInMenuBar = self.showConvertMenuButton.state == .on
    }
    
    @IBAction func reopenLastOpenFilesAtStartupAction(_ sender: NSButton) {
        KMPreference.shared.openLastUnclosedDocumentWhenAppStart = sender.state == .on
    }
    
    @IBAction func openFileForDefaultAction(_ sender: Any) {
        KMPreference.shared.openFileType = .default
    }
    
    @IBAction func openFileForMaximAction(_ sender: Any) {
        KMPreference.shared.openFileType = .maxim
    }
    @IBAction func openFileForFitAction(_ sender: Any) {
        KMPreference.shared.openFileType = .fit
    }
    
    @IBAction func showLeftSideAction(_ sender: Any) {
        KMPreference.shared.showLeftSideBar = self.showLeftSideButton.state == .on
    }
    
    @objc func editPDFPopWindowShowAction(_ sender: NSButton) {
        KMPreference.shared.editPDFPopWindowIsShow = sender.state == .on
    }
    
    @IBAction func rememberSnapshotAction(_ sender: Any) {
        KMPreference.shared.rememberSnapshot = self.rememberSnapshotButton.state == .on
    }
    
    @IBAction func autoSaveNoteBackupAction(_ sender: Any) {
        KMPreference.shared.autoSaveNoteBackup = self.autoSaveNotesBackupButton.state == .on
    }
    @IBAction func keepSnapshotOnTopAction(_ sender: Any) {
        KMPreference.shared.keepSnapshotWindowToTop = self.keepSnapshotOnTopButton.state == .on
    }
    
    @IBAction func autoSaveButtonAction(_ sender: AnyObject?) {
        AutoSaveManager.manager.autoSaveEnabled = self.autoSaveInfoBtn.state == .on
        self.autoSaveSlider.isEnabled = AutoSaveManager.manager.autoSaveEnabled
    }
    
    @IBAction func autoSaveSliderAction(_ sender: AnyObject?) {
        let value = 1 + 19 * self.autoSaveSlider.floatValue
        
        AutoSaveManager.manager.timeInterval = CGFloat(value)
        self.autoSaveLbl.stringValue = String(format: "%.0f %@", AutoSaveManager.manager.timeInterval, KMLocalizedString("minute(s)", nil))
        
        Self.cancelPreviousPerformRequests(withTarget: self, selector: #selector(autoSaveSliderFinish), object: nil)
        self.perform(#selector(autoSaveSliderFinish), with: nil, afterDelay: 1)
    }
    
    @objc func autoSaveSliderFinish() {
        NotificationCenter.default.post(name: NSNotification.Name(rawValue: KAutoSaveTimeValueChangedNoti), object: nil)
    }
    
    @IBAction func savePwdForAlwaysAction(_ sender: Any) {
        KMPreference.shared.savePasswordType = .always
    }
    
    @IBAction func savePwdForNeverAction(_ sender: Any) {
        KMPreference.shared.savePasswordType = .never
    }
    @IBAction func savePwdForAskAction(_ sender: Any) {
        KMPreference.shared.savePasswordType = .ask
    }
    
    /*
     #pragma mark Accessors

     - (void)setUpdateInterval:(NSInteger)interval {
     #if VERSION_DMG
         if (interval > 0)
             [[SUUpdater sharedUpdater] setUpdateCheckInterval:interval];
         [[SUUpdater sharedUpdater] setAutomaticallyChecksForUpdates:interval > 0];
     #endif
         updateInterval = interval;
     }

     */
    
    override var title: String? {
        set {
            super.title = newValue
        }
        get {
            return KMLocalizedString("General", "Preference pane label")
        }
    }
    
    override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
        super.observeValue(forKeyPath: keyPath, of: object, change: change, context: context)
    }
}

// MARK: - Private Methods

extension KMGeneralPreferences {
    private func _synchronizeUpdateInterval() {
//        self.willChangeValue(forKey: UPDATEINTERVAL_KEY)
#if VERSION_DMG
        if let updader = SUUpdater.shared() {
            self.updateInterval = updader.automaticallyChecksForUpdates ? Float(updader.updateCheckInterval) : 0
        } else {
            self.updateInterval = 0
        }
#endif
//        self.didChangeValue(forKey: UPDATEINTERVAL_KEY)
    }
    
    private func _updateRevertButtons() {
        let initialValues = NSUserDefaultsController.shared.initialValues
        
        let sud = UserDefaults.standard
        if let data = sud.dictionary(forKey: KMDefaultPDFDisplaySettingsKey) {
            self.normalButton.isEnabled = NSDictionary(dictionary: data).isEqual(initialValues?[KMDefaultPDFDisplaySettingsKey]) == false
        } else {
            self.normalButton.isEnabled = true
        }
        if let data = sud.dictionary(forKey: KMDefaultFullScreenPDFDisplaySettingsKey) {
            self.fullScreenButton.isEnabled = NSDictionary(dictionary: data).isEqual(initialValues?[KMDefaultFullScreenPDFDisplaySettingsKey]) == false
        } else {
            self.fullScreenButton.isEnabled = true
        }
    }
    
    private func _selectOpenFileType(_ type: KMPreferenceOpenFileType) {
        if type == .default {
            self.openFileForDefaultButton.state = .on
            self.openFileForMaximButton.state = .off
            self.openFileForFitButton.state = .off
        } else if type == .maxim {
            self.openFileForDefaultButton.state = .off
            self.openFileForMaximButton.state = .on
            self.openFileForFitButton.state = .off
        } else if type == .fit {
            self.openFileForDefaultButton.state = .off
            self.openFileForMaximButton.state = .off
            self.openFileForFitButton.state = .on
        }
    }
    
    private func _selectSavePasswordType(_ type: KMPreferenceSavePasswordType) {
        if type == .always {
            self.savePwdForAlwaysButton.state = .on
            self.savePwdForNeverButton.state = .off
            self.savePwdForAskButton.state = .off
        } else if type == .never {
            self.savePwdForAlwaysButton.state = .off
            self.savePwdForNeverButton.state = .on
            self.savePwdForAskButton.state = .off
        } else if type == .ask {
            self.savePwdForAlwaysButton.state = .off
            self.savePwdForNeverButton.state = .off
            self.savePwdForAskButton.state = .on
        }
    }
}

extension KMGeneralPreferences: KMPreferencePane {
    func defaultsDidRevert() {
        let interval = Bundle.main.object(forInfoDictionaryKey: SUScheduledCheckIntervalKey)
    #if VERSION_DMG
        let value = (interval as? NSNumber)?.doubleValue ?? 0
        SUUpdater.shared().updateCheckInterval = value
        SUUpdater.shared().automaticallyChecksForUpdates = value > 0
    #endif
        
        AutoSaveManager.manager.autoSaveEnabled = false
        AutoSaveManager.manager.timeInterval = 15
    }
    
    func reloadData() {
        self.initData()
    }
}

extension KMGeneralPreferences: NSTextFieldDelegate {
    func controlTextDidChange(_ obj: Notification) {
        if self.authorTextField.isEqual(to: obj.object) { // 作者
            KMPreference.shared.author = self.authorTextField.stringValue
        }
    }
}