package ui

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/widget"
)

// TappableOverlay is an invisible widget that captures tap and double-tap events
type TappableOverlay struct {
	widget.BaseWidget
	OnTapped         func()
	OnDoubleTapped   func()
	OnSecondaryTapped func()
}

// NewTappableOverlay creates a new tappable overlay
func NewTappableOverlay(onTapped, onDoubleTapped, onSecondaryTapped func()) *TappableOverlay {
	t := &TappableOverlay{
		OnTapped:         onTapped,
		OnDoubleTapped:   onDoubleTapped,
		OnSecondaryTapped: onSecondaryTapped,
	}
	t.ExtendBaseWidget(t)
	return t
}

// Tapped handles single tap events
func (t *TappableOverlay) Tapped(*fyne.PointEvent) {
	if t.OnTapped != nil {
		t.OnTapped()
	}
}

// TappedSecondary handles right-click events
func (t *TappableOverlay) TappedSecondary(*fyne.PointEvent) {
	if t.OnSecondaryTapped != nil {
		t.OnSecondaryTapped()
	}
}

// DoubleTapped handles double-tap events
func (t *TappableOverlay) DoubleTapped(*fyne.PointEvent) {
	if t.OnDoubleTapped != nil {
		t.OnDoubleTapped()
	}
}

// CreateRenderer implements fyne.Widget
func (t *TappableOverlay) CreateRenderer() fyne.WidgetRenderer {
	return &overlayRenderer{}
}

// MinSize returns minimum size (should fill parent)
func (t *TappableOverlay) MinSize() fyne.Size {
	return fyne.NewSize(1, 1)
}

type overlayRenderer struct{}

func (r *overlayRenderer) Layout(size fyne.Size)            {}
func (r *overlayRenderer) MinSize() fyne.Size               { return fyne.NewSize(1, 1) }
func (r *overlayRenderer) Refresh()                         {}
func (r *overlayRenderer) Objects() []fyne.CanvasObject     { return nil }
func (r *overlayRenderer) Destroy()                         {}