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.Shared;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;
using XF.Material.Forms.UI.Dialogs;

namespace PRS.Mobile
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class KanbanForms
    {

        public KanbanForms()
        {
            InitializeComponent();
            _forms.DataModel = App.Data.KanbanForms;
            _forms.AppliesTo = "Kanban";
            _forms.Property = model => App.Data.KanbanForms.Forms;
            _forms.RefreshData(false,true);
        }

        private void AddForm_Clicked(object sender, EventArgs e)
        {
            var selector = new NewForms() { AppliesTo = _forms.AppliesTo };
            selector.ItemSelected += CreateNewForm;
            Navigation.PushAsync(selector);
        }
        
        private async void CreateNewForm(object sender, NewFormSelectedArgs args)
        {
            KanbanShell kanban;
            KanbanFormShell form;
            using (await (MaterialDialog.Instance.LoadingDialogAsync("Creating Form")))
            {
                kanban = App.Data.Kanbans.AddItem();
                kanban.EmployeeID = App.Data.Me.ID;
                kanban.ManagerID = App.Data.Me.ID;
                kanban.Title = args.Form.Description;
                //kanban.Save("Created on Mobile Device");
                form = App.Data.KanbanForms.AddItem();
                form.FormID = args.Form.ID;
                form.FormCode = args.Form.Code;
                form.FormDescription = args.Form.Description;
                form.ParentID = kanban.ID;
                //form.Save("Created on Mobile Device");
            }
            Dispatcher.BeginInvokeOnMainThread(() =>
            {
                var model = new DigitalFormHostModel<Kanban, KanbanLink, KanbanForm>();
                model.LoadItems(kanban.Entity, form.FormID, form.Entity, null);
                var host = new DigitalFormHost(model);
                host.OnClosing += (_, _) => _forms.RefreshData(true, false);
                Navigation.PushAsync(host);
                //_forms.RefreshData(false,false);
                //_forms.EditForm<Kanban,KanbanLink,KanbanForm>(form,kanban.Entity);
            });
            

        }

        private void _forms_OnFormTapped(object sender, ExistingFormTappedEventArgs args)
        {
            Kanban entity = null;
            ProgressVisible = true;
            Task.Run(() =>
            {
                entity = App.Data.Kanbans.FirstOrDefault(x => x.ID == args.Shell.ParentID)?.Entity;
                if (entity == null)
                {
                    var model = new KanbanModel(App.Data,
                        () => new Filter<Kanban>(x => x.ID).IsEqualTo(args.Shell.ParentID));
                    model.Refresh(true);
                    entity = model.FirstOrDefault().Entity;
                }
            }).BeginInvokeOnMainThread((_) =>
            {
                if (entity != null)
                    _forms.EditForm<Kanban,KanbanLink,KanbanForm>(args.Shell,entity);
                ProgressVisible = false;
            });
            
            
        }
    }
}