using System;
using System.Collections.Generic;

using Xamarin.Forms;

using ZXing;

namespace comal.timesheets
{
    public partial class FrameScannerPage : ContentPage
    {
        public FrameScannerPage()
        {
            InitializeComponent();
            NavigationPage.SetHasNavigationBar(this, false);
            var options = new ZXing.Mobile.MobileBarcodeScanningOptions()
            {
                PossibleFormats = new List<ZXing.BarcodeFormat>() { ZXing.BarcodeFormat.QR_CODE },
                AutoRotate = false,
                TryInverted = true,
                TryHarder = true,
            };
            _scanView.Options = options;
            _scanView.IsAnalyzing = false;
            _scanView.IsScanning = true;
        }

        protected override void OnAppearing()
        {
            base.OnAppearing();
            _scanView.IsAnalyzing = true;

        }

        protected override void OnDisappearing()
        {
            _scanView.IsAnalyzing = false;
            base.OnDisappearing();
        }

        void _scanView_OnScanResult(ZXing.Result result)
        {
            Device.BeginInvokeOnMainThread(async () =>
            {
                //var page = new FrameDetailsPage(result.Text);
                //await Navigation.PushModalAsync(page);
                //await DisplayAlert("Scanned result", "The barcode's text is " + result.Text + ". The barcode's format is " + result.BarcodeFormat, "OK");
            });
        }

        void Cancel_Clicked(System.Object sender, System.EventArgs e)
        {
            Navigation.PopModalAsync();
        }
    }
}