import Foundation
import Cocoa


class BackgroundView: QSBezelBackgroundView {
  
  private var glassView: NSGlassEffectView?
  
  override func awakeFromNib() {
    super.awakeFromNib()
    configureParentView()
    setupGlassEffect()
  }
  
  override init(frame frameRect: NSRect) {
    super.init(frame: frameRect)
    configureParentView()
    setupGlassEffect()
  }
  
  required init?(coder: NSCoder) {
    super.init(coder: coder)
    configureParentView()
    setupGlassEffect()
  }
  
  private func configureParentView() {
      // Make the parent background much more transparent so glass effect shows through
      setColor(NSColor.clear) // Try completely transparent first
      setIsGlass(NSNumber(value: false)) // Disable the parent's glass rendering
      
      // Alternative: if clear doesn't work, try a very transparent background
      // setColor(NSColor.black.withAlphaComponent(0.1))
  }
  
  private func setupGlassEffect() {
      let glassView = NSGlassEffectView(frame: bounds)
      glassView.autoresizingMask = [.width, .height]
      glassView.cornerRadius = 12.0
      glassView.style = .clear
      
      // Create a content view for the glass effect
      let contentView = NSView(frame: glassView.bounds)
      contentView.autoresizingMask = [.width, .height]
      glassView.contentView = contentView
      
      // Add subtle tint based on appearance
      updateGlassTint()
      
      // Insert the glass view at the bottom of the view hierarchy
      addSubview(glassView, positioned: .below, relativeTo: nil)
      self.glassView = glassView
  }
  
  private func updateGlassTint() {
      guard let glassView = glassView else { return }
      
      let darkMode = effectiveAppearance.name == .darkAqua
      if darkMode {
          // Very subtle tint for dark mode to maintain translucency
          glassView.tintColor = NSColor.black.withAlphaComponent(0.05)
      } else {
          // Even lighter tint for light mode
          glassView.tintColor = NSColor.white.withAlphaComponent(0.02)
      }
  }
  
  override func viewDidMoveToWindow() {
    super.viewDidMoveToWindow()
    
    // Ensure the window is configured for transparency
    if let window = self.window {
        window.backgroundColor = NSColor.clear
        window.isOpaque = false
    }
  }
  
  override func draw(_ rect: NSRect) {
    // Don't call super.draw(rect) to avoid the parent's opaque background
    // The glass effect will handle the visual appearance
    return
  }
  
  override func viewDidChangeEffectiveAppearance() {
    super.viewDidChangeEffectiveAppearance()
    updateGlassTint()
  }
}