//
//  KMTextFieldStepperView.swift
//  PDF Reader Pro
//
//  Created by lizhe on 2022/12/13.
//

import Cocoa

typealias KMTextFieldStepperViewValueDidChange = (_ view: KMTextFieldStepperView, _ value: String) -> Void

class KMTextFieldStepperView: KMBaseXibView, NSTextFieldDelegate {
    @IBOutlet weak var inputTextField: KMBaseTextField!
    @IBOutlet weak var downButton: NSButton!
    @IBOutlet weak var upButton: NSButton!
    
    @IBOutlet weak var line1: NSView!
    @IBOutlet weak var line2: NSView!
    
    var presenter: KMBaseTextFieldPresenter = KMBaseTextFieldPresenter()
    var model: KMBaseTextFieldModel = KMBaseTextFieldModel() {
        didSet {
            self.presenter.model = model
            self.inputTextField.model = model
        }
    }
    var valueDidChange: KMTextFieldStepperViewValueDidChange?

    var stringValue: String {
        set {
            self.inputTextField.stringValue = newValue
        }
        get {
            return self.inputTextField.stringValue
        }
    }
    var isEnabled: Bool = true {
        didSet {
            self.inputTextField.isEnabled = isEnabled
            self.inputTextField.alphaValue = isEnabled ? 1 : 0.5
            self.downButton.isEnabled = isEnabled
            self.downButton.alphaValue = isEnabled ? 1 : 0.5
            self.upButton.isEnabled = isEnabled
            self.upButton.alphaValue = isEnabled ? 1 : 0.5
        }
    }
    
    var minValue: Int = 1{
        didSet {
            self.inputTextField.minValue = minValue
        }
    }
    
    var maxValue: Int = 100 {
        didSet {
            self.inputTextField.maxValue = maxValue
        }
    }
    
    var textColor: NSColor = NSColor.km_init(hex: "#252629") {
        didSet {
            self.inputTextField.textField.textColor = textColor
        }
    }
    
    var font: NSFont = NSFont.SFProTextRegularFont(14.0) {
        didSet {
            self.inputTextField.textField.font = font
        }
    }
    
    deinit {
//        self.delegate = nil
    }

    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)
        
        // Drawing code here.
        
    }
    
    override func setup() {
        super.setup()
        
        self.presenter.initPresenter(delegate: self, model: self.model)
        
        self.inputTextField.textField.textColor = self.textColor
        self.inputTextField.textField.font = self.font
        self.inputTextField.textDidEndEditing = {[weak self] (string) in
            self?.presenter.changeValue(value: (string))
        }
        
        self.border(NSColor.km_init(hex: "#DFE1E5"), 1, 4)
        self.line1.backgroundColor(NSColor.km_init(hex: "#DFE1E5"))
        self.line2.backgroundColor(NSColor.km_init(hex: "#DFE1E5"))
    }
    
    //刷新界面UI 和 数据
    override func reloadData() {
        super.reloadData()
        
        self.inputTextField.stringValue = self.model.stringValue
    }
}

protocol KMTextFieldStepperViewPrivate {}
extension KMTextFieldStepperView: KMTextFieldStepperViewPrivate {

}

protocol KMTextFieldStepperViewAction {}
extension KMTextFieldStepperView: KMTextFieldStepperViewAction {
    
    @IBAction func downButtonAction(_ sender: NSButton) {
        let string = String(Int(self.model.value)! - 1)
        self.presenter.changeValue(value: string)
    }
    
    @IBAction func upButtonAction(_ sender: NSButton) {
        let string = String(Int(self.model.value)! + 1)
        self.presenter.changeValue(value: string)
    }
}



extension KMTextFieldStepperView: KMBaseTextFieldPresenterDelegate {
    func valueDidChange(presenter: KMBaseTextFieldPresenter, model: KMBaseTextFieldModel) {
        self.model = model
        self.reloadData()
        if self.valueDidChange != nil {
            self.valueDidChange!(self, self.model.stringValue)
        }
    }
}