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

class KMConvertOCRSettingItemView: KMConvertBaseView {
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var checkBox: NSBox!
    @IBOutlet weak var languageBox: NSBox!
    
    private var _checkVC: KMDesignButton?
    var checkVC: KMDesignButton? {
        get {
            return self._checkVC
        }
    }
    
    private var _languageVC: KMDesignSelect?
    
    private var _languageIndex: Int = 0
    var languageIndex: Int {
        get {
            return self._languageIndex
        }
        set {
            self._languageIndex = newValue
            
            self._languageVC?.selectItem(at: newValue)
        }
    }
    
    var lanugageDidSelected: KMValueDidChangeBlock?
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        self._checkAction()
    }
    
    override func initSubViews() {
        super.initSubViews()
        
        self._checkVC = KMDesignButton(withType: .CheckBox)
        self.checkBox.contentView = self._checkVC!.view
        
        self._languageVC = KMDesignSelect(withType: .Combox)
        self.languageBox.contentView = self._languageVC?.view
    }
    
    override func initDefaultVlaue() {
        super.initDefaultVlaue()
        
        self.titleLabel.stringValue = NSLocalizedString("Text Recognition Settings", comment: "")
        self.titleLabel.textColor = NSColor(hex: "#616469")
        self.titleLabel.font = .SFProTextRegular(12)
        
        self.checkBox.fillColor = .clear
        self._checkVC?.target = self
        self._checkVC?.action = #selector(checkBoxAction)
        self._checkVC?.stringValue = NSLocalizedString("Recognize text if needed", comment: "")
        self._checkVC?.checkbox_radio()
        self._checkVC?.state = .Checked
        
        self.languageBox.fillColor = .clear
        self._languageVC?.delete = self

        self._languageVC?.isScrollPop = true
        self._languageVC?.removeAllItems()
        self._languageVC?.addItems(withObjectValues: KMPDFConvertManager.defaultManager.languages_asc_strings)
        if (self.languageIndex < self._languageVC!.numberOfItems) {
            self._languageVC?.selectItem(at: self.languageIndex)
        } else {
            self._languageVC?.selectItem(at: 2)
        }
    }
    
    @objc func checkBoxAction(sender: NSButton) {
        if let state = self._checkVC?.state {
            self._checkVC?.state = state == .Checked ? .Norm : .Checked
        }
        
        self._checkAction()
    }
    
    public func checkAction() {
        self._checkAction()
    }
    
    private func _checkAction() {
        guard let state = self._checkVC?.state else {
            return
        }
        
        self._languageVC?.enabled = state == .Checked
    }
}

extension KMConvertOCRSettingItemView: KMSelectPopButtonDelegate {
    func km_comboBoxSelectionDidChange(_ obj: KMDesignSelect) {
        if (obj.isEqual(to: self._languageVC)) {
            guard let index = self._languageVC?.indexOfSelectedItem, index >= 0 else {
                return
            }
            self._languageIndex = index
            
            guard let callback = self.lanugageDidSelected else {
                return
            }
            callback(index, nil)
        }
    }
}