using Microsoft.Maui.Controls;
using System.Collections.Generic;
using ZXing.Net.Maui;

namespace Jugenddienst_Stunden.Views;

public partial class AboutPage : ContentPage {

	private DateTime _lastDetectionTime;
	private readonly TimeSpan _detectionInterval = TimeSpan.FromSeconds(3);

	public AboutPage() {
		InitializeComponent();

		barcodeScannerView.Options = new ZXing.Net.Maui.BarcodeReaderOptions {
			Formats = ZXing.Net.Maui.BarcodeFormat.QrCode,
			AutoRotate = true,
			Multiple = false
		};
	}

	private void BarcodesDetected(object sender, ZXing.Net.Maui.BarcodeDetectionEventArgs e) {
		//var first = e.Results?.FirstOrDefault();

		var currentTime = DateTime.Now;
		if ((currentTime - _lastDetectionTime) > _detectionInterval) {
			_lastDetectionTime = currentTime;
			foreach (var barcode in e.Results) {
				MainThread.InvokeOnMainThreadAsync(() => {
					DisplayAlert("Barcode erkannt", $"Barcode: {barcode.Format} - {barcode.Value}", "OK");
					Models.Stunde.apiKey = barcode.Value;
				});
			}
		}

		//if (first is null) {
		//	return;
		//}
		//Dispatcher.DispatchAsync(async () => {
		//	await DisplayAlert("Scan-Ergebnis", $"Barcode: {first.Value}", "OK");
		//});
		//MainThread.InvokeOnMainThreadAsync(() => {
		//	DisplayAlert("Barcode erkannt", $"Barcode: {first.Format} - {first.Value}", "OK");
		//	Models.Stunde.apiKey = first.Value;
		//});

	}

	protected override void OnDisappearing() {
		base.OnDisappearing();
		barcodeScannerView.CameraLocation = CameraLocation.Front;
		barcodeScannerView.IsDetecting = false;
		
	}

	protected override void OnAppearing() {
		base.OnAppearing();
		
		barcodeScannerView.IsDetecting = true;
		barcodeScannerView.CameraLocation = CameraLocation.Rear;
	}


}