//
//  KMWatermarkTextView.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2022/12/17.
//

import Cocoa

class KMWatermarkTextView: KMWatermarkAdjectiveBaseView {

    @IBOutlet var textView: NSTextView!
    @IBOutlet weak var fontStyleComboBOx: NSComboBox!
    @IBOutlet weak var fontSizeComboBox: NSComboBox!
    @IBOutlet weak var aligementBox: NSBox!
    var aligementView: KMWatermarkAligementView!
    @IBOutlet weak var colorBox: NSBox!
    var colorView: KMWatermarkColorView!
    
    let fontSizes: Array<Int> = [8,9,10,11,12,14,16,18,20,22,24,26,28,36,48,72]
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        textView.wantsLayer = true
        textView.layer?.borderWidth = 1
        textView.layer?.borderColor = NSColor.black.cgColor
        textView.layer?.cornerRadius = 4
        textView.textContainerInset = NSSize(width: 8, height: 8)
        textView.font = NSFont.systemFont(ofSize: 14)
        textView.delegate = self
        
        let fonts = NSFontManager.shared.availableFontFamilies
        self.fontStyleComboBOx.isEditable = false
        self.fontStyleComboBOx.removeAllItems()
        for fontName in fonts {
            let font = NSFont(name: fontName, size: 10)
            let attribute = [NSAttributedString.Key.font : font]
            let string = NSAttributedString(string: fontName, attributes: attribute as [NSAttributedString.Key : Any])
            self.fontStyleComboBOx.addItem(withObjectValue: string)
        }
        self.fontStyleComboBOx.selectItem(at: 0)
        self.fontStyleComboBOx.delegate = self
        self.fontSizeComboBox.removeAllItems()
        for i in self.fontSizes {
            self.fontSizeComboBox.addItem(withObjectValue: "\(i)pt")
        }
        self.fontSizeComboBox.selectItem(at: 0)
        self.fontSizeComboBox.delegate = self
        
        let aligementView = KMWatermarkAligementView()
        aligementView.frame = self.aligementBox.contentView!.bounds
        aligementView.autoresizingMask = NSView.AutoresizingMask(rawValue: 18)
        self.aligementView = aligementView
        self.aligementBox.contentView?.addSubview(aligementView)
        aligementView.itemClick = {
            (index: Int) in
            guard let callback = self.itemClick else {
                return
            }
            
            callback(4, index)
        }
        
        let colorView = KMWatermarkColorView()
        colorView.frame = self.colorBox.contentView!.bounds
        colorView.autoresizingMask = NSView.AutoresizingMask(rawValue: 18)
        self.colorView = colorView
        self.colorBox.contentView?.addSubview(colorView)
        colorView.colorButton.wantsLayer = true
        colorView.colorButton.layer?.backgroundColor = NSColor.black.cgColor
        colorView.itemClick = {
           [self] (idx: Int) in
            if (idx == 2) {
                let panel = NSColorPanel.shared
                panel.setTarget(self)
                panel.setAction(#selector(colorPanelAction))
                panel.orderFront(nil)
            }
        }
    }
    
    @objc func colorPanelAction(sender: Any) {
        guard let callback = self.itemClick else {
            return
        }
        self.colorView.colorButton.layer?.backgroundColor = NSColorPanel.shared.color.cgColor
        
        callback(5, NSColorPanel.shared.color)
    }
    
    override func setModel(model: KMWatermarkModel) {
        super.setModel(model: model)
        
        self.textView.string = model.text
        
        
        let font = NSFont(name: model.getTextFontName(), size: 10)
        let attribute = [NSAttributedString.Key.font : font]
        let string = NSAttributedString(string: model.getTextFontName(), attributes: attribute as [NSAttributedString.Key : Any])
        self.fontStyleComboBOx.selectItem(withObjectValue: string)
        self.fontSizeComboBox.stringValue = "\(model.getTextFontSize())pt"
        
        if (model.textAligement == .left) {
            self.aligementView.selectIndex(index: 0)
        } else if (model.textAligement == .center) {
            self.aligementView.selectIndex(index: 1)
        } else if (model.textAligement == .right) {
            self.aligementView.selectIndex(index: 2)
        } else {
            self.aligementView.selectIndex(index: 0)
        }
        
        self.colorView.colorButton.layer?.backgroundColor = model.getTextColor().cgColor
    }
}

extension KMWatermarkTextView: NSTextViewDelegate {
    func textDidChange(_ notification: Notification) {
        if (self.textView.isEqual(to: notification.object)) {
            guard let callback = itemClick else {
                return
            }
            
            callback(1, self.textView.string)
        }
    }
}

extension KMWatermarkTextView: NSComboBoxDelegate {
    func comboBoxSelectionDidChange(_ notification: Notification) {
        if (self.fontStyleComboBOx.isEqual(to: notification.object)) {
            guard let callback = itemClick else {
                return
            }
            
            callback(2, self.fontStyleComboBOx.stringValue)
        } else if (self.fontSizeComboBox.isEqual(to: notification.object)) {
            guard let callback = itemClick else {
                return
            }
            
            var index = self.fontSizeComboBox.indexOfSelectedItem
            if (index < 0) {
                index = 0
            }
            
            callback(3, fontSizes[index])
        }
    }
}