package main

import (
	"strconv"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/widget"
	"git.martyn.berlin/martyn/fyne-widgets/pkg/multisyswebcam"
	"git.martyn.berlin/martyn/fyne-widgets/pkg/layouts"
)

var multisysWebcamID int
var multisysWebcamLabel *widget.Label
var multisysWebcamWidget *multisyswebcam.MultisysWebcam

func switchMultisysWebcam(id int) {
	multisysWebcamLabel.Text = "Webcam: " + strconv.Itoa(id)
	multisysWebcamLabel.Refresh()
	multisysWebcamWidget.MultisysWebcamID = int64(id)
	multisysWebcamWidget.Refresh()
}

func incWebCamID() {
	multisysWebcamID = multisysWebcamID + 1
	switchMultisysWebcam(multisysWebcamID)
}

func decWebCamID() {
	multisysWebcamID = multisysWebcamID - 1
	switchMultisysWebcam(multisysWebcamID)
}

func main() {
	a := app.New()
	w := a.NewWindow("MultisysWebcam")

	multisysWebcamWidget = multisyswebcam.NewMultisysWebcam()
	layout := layouts.NewFloatingControlsLayout()
	layout.FloatingControlsLocation = layouts.FloatingControlsCenter
	multisysWebcamWidget.System = multisyswebcam.WebcamSystemGoCV
	multisysWebcamID = 0
	multisysWebcamWidget.UpdateFPS = 50

	multisysWebcamLabel = widget.NewLabel("Webcam: 0")
	buttons := container.NewHBox(multisysWebcamLabel, widget.NewButton("-", decWebCamID), widget.NewButton("+", incWebCamID))

	w.SetContent(container.New(&layout, multisysWebcamWidget, buttons))
	w.Resize(fyne.NewSize(640, 480))
	w.ShowAndRun()
}