using System;
using System.Collections.Generic;
using InABox.Core;
using Xamarin.Forms;

using InABox.Clients;
using Comal.Classes;
using System.Threading.Tasks;
using System.Linq;

namespace comal.timesheets
{
    public partial class TimeSheetNotePage 
    {
        TimeSheet timeSheet = new TimeSheet();

        protected void SaveTimeSheetCallback(TimeSheet entity, Exception e)
        {
            if (e != null)
                Device.BeginInvokeOnMainThread(() => { DisplayAlert("Error Adding Note", "Unable to Save Note\n\n" + e.Message, "OK"); });
        }

        public TimeSheetNotePage(TimeSheet _timeSheet)
        {

            InitializeComponent();

            timeSheet = _timeSheet;

            NavigationPage.SetBackButtonTitle(this, "Cancel");

            ToolbarItems.Clear();

            ToolbarItems.Add(new ToolbarItem("Save", "", () =>
            {
                SaveNewNotes();
                Navigation.PopAsync();
            }));

            LoadNewNotes();
        }

        private void LoadNewNotes()
        {
            Task.Run(() =>
            {
                try
                {
                    CoreTable table =
                        new Client<TimeSheet>().Query
                        (
                        new Filter<TimeSheet>(x => x.ID).IsEqualTo(timeSheet.ID),
                        new Columns<TimeSheet>(
                        x => x.Notes
                        ));
                    if (table.Rows.Any())
                    {
                        CoreRow row = table.Rows.FirstOrDefault();
                        List<object> list = row.Values;
                        if (list[0] == null) { list[0] = ""; }
                        Device.BeginInvokeOnMainThread(() =>
                            {
                        notesLbl.Text = list[0].ToString();
                    });

                    }
                }
                catch { }
            });
        }

        private void SaveNewNotes()
        {
            try
            {
                string notesLableText = notesLbl.Text + "\n";
                if (string.IsNullOrWhiteSpace(notesLbl.Text))
                {
                    notesLableText = "";
                }
                if (!string.IsNullOrWhiteSpace(notesEdt.Text))
                {
                    timeSheet.Notes = notesLableText +
                    notesEdt.Text + " (Added by " + App.Data.Me.Name + " at " + DateTime.Now + ")";
                    new Client<TimeSheet>().Save(timeSheet, "Updated Note from Mobile");
                    DisplayAlert("Success", "Note Saved", "OK");
                }
            }
            catch { }
        }
    }
}