//
//  KMConvertOCRSettingItemView.swift
//  PDF Master
//
//  Created by tangchao on 2022/12/6.
//

import Cocoa

typealias KMConvertOCRSettingItemViewLanugageDidSelected = (_ index: Int) -> ()
class KMConvertOCRSettingItemView: NSView, NibLoadable {

    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var checkBox: NSButton!
    @IBOutlet weak var languageComboBox: NSComboBox!
    
    private var myLanguageIndex: Int = 2
    var languageIndex: Int {
        get {
            return myLanguageIndex
        }
        set {
            myLanguageIndex = newValue
            
            if (languageComboBox != nil && newValue < languageComboBox.numberOfItems) {
                languageComboBox.selectItem(at: newValue)
            }
        }
    }
    
    var lanugageDidSelected: KMConvertOCRSettingItemViewLanugageDidSelected!
    static var nibName: String? {
        return "KMConvertBaseWindowController"
    }
    
    static func createFromNib(in bundle: Bundle = Bundle.main) -> Self? {
        guard let nibName = nibName else { return nil }
        var topLevelArray: NSArray? = nil
        bundle.loadNibNamed(NSNib.Name(nibName), owner: nil, topLevelObjects: &topLevelArray)
        guard let results = topLevelArray else { return nil }
        let views = Array<Any>(results).filter { $0 is Self }
        return views.last as? Self
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        titleLabel.stringValue = NSLocalizedString("Text Recognition Settings", comment: "")
        checkBox.title = NSLocalizedString("Recognize text if needed", comment: "")
        checkBox.target = self
        checkBox.action = #selector(checkBoxAction)
        
        languageComboBox.isEditable = false
        languageComboBox.removeAllItems()
        languageComboBox.addItems(withObjectValues: [NSLocalizedString("Chinese Simplified", comment: ""),
                                                     NSLocalizedString("Chinese Traditional", comment: ""),
                                                     NSLocalizedString("English", comment: ""),
                                                     NSLocalizedString("French", comment: ""),
                                                     NSLocalizedString("German", comment: ""),
                                                     NSLocalizedString("Haitian", comment: ""),
                                                     NSLocalizedString("Japan", comment: ""),
                                                     NSLocalizedString("Korean", comment: ""),
                                                     NSLocalizedString("Latin", comment: "")])
        if (myLanguageIndex < languageComboBox.numberOfItems) {
            languageComboBox.selectItem(at: myLanguageIndex)
        } else {
            languageComboBox.selectItem(at: 2)
        }
        
        languageComboBox.delegate = self
    }
    
    @objc func checkBoxAction(sender: NSButton) {
        languageComboBox.isEnabled = sender.state == .on
    }
}

extension KMConvertOCRSettingItemView: NSComboBoxDelegate {
    func comboBoxSelectionDidChange(_ notification: Notification) {
        if (languageComboBox.isEqual(to: notification.object)) {
            if languageComboBox.indexOfSelectedItem < 0 {
                return
            }
            
            guard let callback = lanugageDidSelected else {
                return
            }
            
            callback(languageComboBox.indexOfSelectedItem)
        }
    }
}