using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Comal.Classes;
using InABox.Core;
using InABox.Mobile;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace PRS.Mobile.Modules.Scans
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class ScanModule
    {
        private ScanModel _scans;
        
        public ScanModule()
        {
            _scans = new ScanModel(App.Data,
                () => new Filter<Scan>(x => x.Employee.ID).IsEqualTo(App.Data.Me.ID)
                    .And(x => x.Processed).IsEqualTo(false)
            ) { FileName = "scans.data" };
            InitializeComponent();
            RefreshData(false, true);
        }

        private void RefreshData(bool force, bool async)
        {
            if (async)
                _scans.Refresh(force, () => Device.BeginInvokeOnMainThread(RefreshScreen));
            else
            {
                _scans.Refresh(force);
                RefreshScreen();
            }
        }

        private void RefreshScreen()
        {
            _documents.ItemsSource = null;
            _documents.ItemsSource = _scans;
        }

        private async void TakePhoto_Clicked(object sender, EventArgs e)
        {
            await _documents.AddImage<MobileDocumentCameraSource,ScanShell>(
                true, (shell) => shell.EmployeeID = App.Data.Me.ID);
        }

        private async void BrowseLibrary_Clicked(object sender, EventArgs e)
        {
            await _documents.AddImage<MobileDocumentLibrarySource,ScanShell>(
                true, (shell) => shell.EmployeeID = App.Data.Me.ID);
        }
    }
}