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

import Cocoa

@objcMembers class KMDisplayPreferences: NSViewController {
    
    @IBOutlet weak var thumbSizeLabel: NSTextField!
    @IBOutlet weak var pagesLabel: NSTextField!
    @IBOutlet weak var pagesSlider: NSSlider!
    @IBOutlet weak var snapshotLabel: NSTextField!
    @IBOutlet weak var snapshotSlider: NSSlider!
    @IBOutlet weak var discreteSizeCheckbox: NSButton!
    
    @IBOutlet var tableFontLabelField: NSTextField!
    @IBOutlet var tableFontComboBox: NSComboBox!
    
    @IBOutlet weak var displayLabel: NSTextField!
    @IBOutlet var greekingLabelField: NSTextField!
    @IBOutlet var greekingTextField: NSTextField!
    @IBOutlet var antiAliasCheckButton: NSButton!
    
    @IBOutlet weak var backgroundColorLabel: NSTextField!
    @IBOutlet weak var normalColorLabel: NSTextField!
    @IBOutlet weak var normalColorWell: NSColorWell!
    @IBOutlet weak var fullScreenLabel: NSTextField!
    @IBOutlet weak var fullScreenColorWell: NSColorWell!
    
    @IBOutlet weak var readBarLabel: NSTextField!
    @IBOutlet weak var readingbarColorLabel: NSTextField!
    @IBOutlet weak var readBarColorWell: NSColorWell!
    @IBOutlet weak var invertBarButton: NSButton!
   
    var thumbnailSizeLabels: [NSTextField] = []
    var thumbnailSizeControls: [NSControl] = []
    
    var colorLabels: [NSTextField] = []
    var colorControls: [NSControl] = []
    
    let SKDefaultFontSizes: [CGFloat] = [8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 16.0, 18.0, 20.0, 24.0, 28.0, 32.0, 48.0, 64.0]
    
    override var nibName: NSNib.Name? {
        return "DisplayPreferences"
    }
    
    override func loadView() {
        super.loadView()
        
        self.thumbnailSizeLabels = [self.pagesLabel, self.snapshotLabel]
        self.thumbnailSizeControls = [self.pagesSlider, self.snapshotSlider, self.discreteSizeCheckbox]
        _ = KMAutoSizeLabelFields(self.thumbnailSizeLabels, self.thumbnailSizeControls, false)
        self.discreteSizeCheckbox.sizeToFit()
        _ = KMAutoSizeLabelFields([self.tableFontLabelField], [self.tableFontComboBox], false)
        _ = KMAutoSizeLabelFields([self.greekingLabelField], [self.greekingTextField], false)
        self.antiAliasCheckButton.sizeToFit()
        self.colorLabels = [self.normalColorLabel, self.readingbarColorLabel]
        self.colorControls = [self.normalColorWell, self.fullScreenLabel, self.fullScreenColorWell, self.readBarColorWell, self.invertBarButton]
        _ = KMAutoSizeLabelFields(self.colorLabels, self.colorControls, false)
        _ = KMAutoSizeLabelFields([self.fullScreenLabel], [self.fullScreenColorWell], false);
        self.invertBarButton.sizeToFit()
        
        var w = 0.0
        for view in self.view.subviews {
            if view.autoresizingMask.contains(.width) == false {
                var x = NSMaxX(view.frame)
                if view.isKind(of: NSSlider.self) || view.isKind(of: NSButton.self) {
                    x -= 2.0
                } else if view.isKind(of: NSComboBox.self) {
                    x -= 3.0
                }
                w = fmax(w, x)
            }
        }
        var size = self.view.frame.size
        size.width = w + 20.0
        self.view.setFrameSize(size)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        thumbSizeLabel.stringValue = KMLocalizedString("Thumbnail sizes:")
        pagesLabel.stringValue = KMLocalizedString("Pages:")
        snapshotLabel.stringValue = KMLocalizedString("Snapshots:")
        discreteSizeCheckbox.title = KMLocalizedString("Discrete sizes")
        tableFontLabelField.stringValue = KMLocalizedString("Outline font size:")
        displayLabel.stringValue = KMLocalizedString("PDF display:")
        greekingLabelField.stringValue = KMLocalizedString("Greeking threshold:")
        antiAliasCheckButton.title = KMLocalizedString("Anti-alias text and line art")
        backgroundColorLabel.stringValue = KMLocalizedString("Background color:")
        normalColorLabel.stringValue = KMLocalizedString("Normal:")
        fullScreenLabel.stringValue = KMLocalizedString("Full Screen:")
        readBarLabel.stringValue = KMLocalizedString("Reading bar:")
        readingbarColorLabel.stringValue = KMLocalizedString("Color:")
        invertBarButton.title = KMLocalizedString("Invert bar")
        
        self.pagesSlider.target = self
        self.pagesSlider.action = #selector(pageSliderAction)
        self.snapshotSlider.target = self
        self.snapshotSlider.action = #selector(snapshotSliderAction)
        
        self.tableFontComboBox.addItems(withObjectValues: SKDefaultFontSizes)
        self.tableFontComboBox.selectItem(at: 4)
        self.tableFontComboBox.delegate = self
        
        self.greekingTextField.delegate = self
        self.antiAliasCheckButton.target = self
        self.antiAliasCheckButton.action = #selector(antiAliasCheckAction)
        
        self.normalColorWell.target = self
        self.normalColorWell.action = #selector(normalColorAction)
        self.fullScreenColorWell.target = self
        self.fullScreenColorWell.action = #selector(fullScreenColorAction)
        
        self.readBarColorWell.target = self
        self.readBarColorWell.action = #selector(readBarColorAction)
        
        self.invertBarButton.target = self
        self.invertBarButton.action = #selector(invertBarAction)
        
        self.greekingTextField.formatter = NumberFormatter()
        
        // 赋值
        self.initData()
    }
    
    override var title: String? {
        set {
            super.title = newValue
        }
        get {
            KMLocalizedString("Display", "Preference pane label")
        }
    }
    
    func initData() {
        self.pagesSlider.floatValue = KMPreference.shared.thumbPageSize
        self.snapshotSlider.floatValue = KMPreference.shared.thumbSnapshotSize
        self.tableFontComboBox.stringValue = String(format: "%.0f", KMPreference.shared.outlineFontSize)
        self.greekingTextField.stringValue = String(format: "%.0f", KMPreference.shared.greekThreshold)
        self.antiAliasCheckButton.state = KMPreference.shared.antiAliasText ? .on : .off
        self.normalColorWell.color = KMPreference.shared.displayBackgroundNormalColor
        self.fullScreenColorWell.color = KMPreference.shared.displayBackgroundFullScreenColor
        self.readBarColorWell.color = KMPreference.shared.readBarColor
        self.invertBarButton.state = KMPreference.shared.invertBar ? .on : .off
    }
    
    @objc func pageSliderAction(_ sender: NSSlider) {
        KMPreference.shared.thumbPageSize = self.pagesSlider.floatValue
    }
    
    @objc func snapshotSliderAction(_ sender: NSSlider) {
        KMPreference.shared.thumbSnapshotSize = self.snapshotSlider.floatValue
    }
    
    @IBAction func changeDiscreteThumbnailSizes(_ sender: AnyObject?) {
        let slider1 = self.pagesSlider
        let slider2 = self.snapshotSlider
        let button = sender as? NSButton
        if let data = button?.state, data == .on {
            slider1?.numberOfTickMarks = 8
            slider2?.numberOfTickMarks = 8
            slider1?.allowsTickMarkValuesOnly = true
            slider2?.allowsTickMarkValuesOnly = true
        } else {
            slider1?.superview?.setNeedsDisplay(slider1?.frame ?? .zero)
            slider2?.superview?.setNeedsDisplay(slider2?.frame ?? .zero)
            
            slider1?.numberOfTickMarks = 0
            slider2?.numberOfTickMarks = 0
            slider1?.allowsTickMarkValuesOnly = false
            slider2?.allowsTickMarkValuesOnly = false
        }
        slider1?.sizeToFit()
        slider2?.sizeToFit()
    }
    
    @objc func antiAliasCheckAction(_ sender: NSButton) {
        KMPreference.shared.antiAliasText = self.antiAliasCheckButton.state == .on
    }
    
    @objc func normalColorAction(_ sender: NSColorWell) {
        if let color = sender.color.usingColorSpaceName(NSColorSpaceName.calibratedRGB) {
            KMPreference.shared.displayBackgroundNormalColor = color
        }
    }
    
    @objc func fullScreenColorAction(_ sender: NSColorWell) {
        if let color = sender.color.usingColorSpaceName(NSColorSpaceName.calibratedRGB) {
            KMPreference.shared.displayBackgroundFullScreenColor = color
        }
    }
    
    @objc func readBarColorAction(_ sender: NSColorWell) {
        if let color = sender.color.usingColorSpaceName(NSColorSpaceName.calibratedRGB) {
            KMPreference.shared.readBarColor = color
        }
    }
    
    @objc func invertBarAction(_ sender: NSButton) {
        KMPreference.shared.invertBar = sender.state == .on
    }
}

extension KMDisplayPreferences: KMPreferencePane {
    func defaultsDidRevert() {
        // no things.
    }
    
    func reloadData() {
        self.initData()
    }
}

extension KMDisplayPreferences: NSComboBoxDelegate {
    func comboBoxSelectionDidChange(_ notification: Notification) {
        if self.tableFontComboBox.isEqual(to: notification.object) {
            KMPreference.shared.outlineFontSize = self.tableFontComboBox.floatValue
        }
    }
}

extension KMDisplayPreferences: NSTextFieldDelegate {
    func controlTextDidChange(_ obj: Notification) {
        if self.greekingTextField.isEqual(to: obj.object) {
            KMPreference.shared.greekThreshold = self.greekingTextField.floatValue
        }
    }
}