//
//  EditorTableCell.swift
//  I2PLauncher
//
//  Created by Mikal Villa on 08/04/2019.
//  Copyright © 2019 The I2P Project. All rights reserved.
//

import Cocoa
import SnapKit

class EditorTableCell: NSTableCellView {
  let toggleButton = NSButton()
  var selected: Bool = false {
    didSet {
      setNeedsDisplay(frame)
    }
  }
  
  var toggleCallback: () -> Void = {}
  
  override init(frame frameRect: NSRect) {
    super.init(frame: frameRect)
    commonInit()
  }
  
  required init?(coder: NSCoder) {
    super.init(coder: coder)
    commonInit()
  }
  
  private func commonInit() {
    let textField = NSTextField()
    textField.isEditable = false
    textField.isBordered = false
    textField.isSelectable = false
    self.textField = textField
    let font = NSFont.systemFont(ofSize: 11)
    textField.font = font
    textField.textColor = NSColor.textColor
    textField.backgroundColor = NSColor.clear
    addSubview(textField)
    
    textField.snp.makeConstraints { make in
      make.left.equalTo(10)
      make.centerY.equalToSuperview()
    }
    
    addSubview(toggleButton)
    toggleButton.title = ""
    toggleButton.isBordered = false
    toggleButton.bezelStyle = .texturedSquare
    toggleButton.controlSize = .small
    toggleButton.target = self
    toggleButton.action = #selector(EditorTableCell.toggle)
    toggleButton.wantsLayer = true
    toggleButton.layer?.borderWidth = 1
    toggleButton.layer?.cornerRadius = 4
    toggleButton.snp.makeConstraints { make in
      make.left.equalTo(textField.snp.right).offset(-4)
      make.width.equalTo(36)
      make.right.equalTo(-10)
      make.height.equalTo(20)
      make.centerY.equalToSuperview()
    }
  }
  
  @objc func toggle() {
    self.selected = !selected
    toggleCallback()
  }
  
  override func draw(_ dirtyRect: NSRect) {
    super.draw(dirtyRect)
    
    let color = selected ? StatusColor.green : NSColor.tertiaryLabelColor
    let title = selected ? "ON" : "OFF"
    
    if #available(OSX 10.14, *) {
      toggleButton.title = title
      toggleButton.font = NSFont.systemFont(ofSize: 11)
      toggleButton.contentTintColor = color
    } else {
      let paragraphStyle = NSMutableParagraphStyle()
      paragraphStyle.alignment = .center
      
      let attributes: [NSAttributedString.Key: Any] = [
        .font: NSFont.systemFont(ofSize: 11),
        .foregroundColor: color,
        .paragraphStyle: paragraphStyle
      ]
      
      toggleButton.attributedTitle = NSAttributedString(string: title, attributes: attributes)
    }
    
    toggleButton.layer?.borderColor = color.cgColor
  }
}