//
//  KMHeaderFooterPageInfoView.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2022/12/28.
//

import Cocoa

class KMHeaderFooterPageInfoView: KMHeaderFooterAdjectiveInfoBaseView {

    var leftLabel = NSTextField(labelWithString: "")
    var leftComboBox = NSComboBox()
    private var rigthLabel = NSTextField(labelWithString: "")
    var rightComboBox = NSComboBox()
    
    override func initSubviews() {
        super.initSubviews()
        
        self.addSubview(self.leftLabel)
        self.addSubview(self.leftComboBox)
        self.addSubview(self.rigthLabel)
        self.addSubview(self.rightComboBox)
        
        self.titleLabel.isHidden = true
        self.rigthLabel.stringValue = NSLocalizedString("Start Page:", comment: "")
        self.leftComboBox.isEditable = false
        self.leftComboBox.delegate = self
        
        self.rightComboBox.isEditable = false
        self.rightComboBox.delegate = self
    }
    
    override func layout() {
        super.layout()
        
        let width: CGFloat = NSWidth(self.bounds)
        let hSpace: CGFloat = 10
        
        let leftMargin = self.contentInset.left
        let labelWidth: CGFloat = (width-leftMargin*2-hSpace)*0.5
        let labelHeight: CGFloat = 16
        self.leftLabel.frame = NSMakeRect(leftMargin, 0, labelWidth, labelHeight)
        self.rigthLabel.frame = NSMakeRect(self.rigthLabel.frame.maxX+hSpace, 0, labelWidth, labelHeight)
        
        let comboBoxY: CGFloat = self.leftLabel.frame.maxY+6
        let comboBoxSize: NSSize = NSMakeSize(labelWidth, 22)
        self.leftComboBox.frame = NSMakeRect(leftMargin, comboBoxY, comboBoxSize.width, comboBoxSize.height)
        self.rightComboBox.frame = NSMakeRect(self.leftComboBox.frame.maxX+hSpace, comboBoxY, comboBoxSize.width, comboBoxSize.height)
    }
    
    override var model: KMHeaderFooterAdjectiveModel {
        get {
            super.model
        }
        set {
            super.model = newValue
        }
    }
}

extension KMHeaderFooterPageInfoView: NSComboBoxDelegate {
    func comboBoxSelectionDidChange(_ notification: Notification) {
        guard let callback = self.itemClick else {
            return
        }
        
        var sender: NSComboBox?
        var itemID: Int = 0
        if (self.leftComboBox.isEqual(to: notification.object)) {
            sender = self.leftComboBox
            itemID = 1
        } else if (self.rightComboBox.isEqual(to: notification.object)) {
            sender = self.rightComboBox
            itemID = 2
        }
        
        if (sender == nil) {
            return
        }
        
        var index: Int = sender!.indexOfSelectedItem
        if (index < 0) {
            index = 0
        }
        
        callback(itemID, index)
    }
}