using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.Core.Postable;
using InABox.DynamicGrid;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace PRSDesktop
{
    public static class PostUtils
    {
        private static readonly Inflector.Inflector inflector = new(new CultureInfo("en"));

        public static void PostEntities<T>(IDataModel<T> model, Action refresh, Action? configurePost = null)
            where T : Entity, IPostable, IRemotable, IPersistent, new()
        {
            try
            {
                if (PosterUtils.Process(model))
                {
                    MessageBox.Show("Processing successful!");
                    refresh();
                }
                else
                {
                    MessageBox.Show("Processing failed.");
                    refresh();
                }
            }
            catch (EmptyPostException)
            {
                MessageBox.Show($"Please select at least one {typeof(T).Name}.");
            }
            catch (RepostedException)
            {
                MessageBox.Show("At least one of the items you selected has already been processed. Processing cancelled.");
            }
            catch (PostCancelledException)
            {
                MessageBox.Show("Processing cancelled.");
            }
            catch (MissingSettingsException)
            {
                if (configurePost is not null && Security.CanConfigurePost<T>())
                {
                    if (MessageBox.Show($"Processing has not been configured for {inflector.Pluralize(typeof(T).Name)}. Would you like to configure this now?",
                        "Configure Processing?", MessageBoxButton.YesNoCancel) == MessageBoxResult.Yes)
                    {
                        configurePost();
                    }
                    else
                    {
                        MessageBox.Show("Processing cancelled.");
                    }
                }
                else
                {
                    MessageBox.Show($"Processing has not been configured for {inflector.Pluralize(typeof(T).Name)}!");
                }
            }
            catch (Exception e)
            {
                MessageBox.Show($"Processing failed: {e.Message}");
                refresh();
            }
        }

        public static void CreateToolbarButtons<T>(IPanelHost host, Func<IDataModel<T>> model, Action refresh, Action? configurePost = null)
            where T : Entity, IPostable, IRemotable, IPersistent, new()
        {
            var postSettings = PosterUtils.LoadPostableSettings<T>();
            if (Security.CanPost<T>() && !postSettings.PosterType.IsNullOrWhiteSpace())
            {
                Bitmap? image = null;
                if (postSettings.Thumbnail.ID != Guid.Empty)
                {
                    var icon = new Client<Document>()
                        .Load(new Filter<Document>(x => x.ID).IsEqualTo(postSettings.Thumbnail.ID)).FirstOrDefault();
                    if (icon is not null)
                    {
                        image = new ImageConverter().ConvertFrom(icon.Data) as Bitmap;
                    }
                }
                host.CreatePanelAction(new PanelAction
                {
                    Caption = postSettings.ButtonName.NotWhiteSpaceOr($"Process {inflector.Pluralize(typeof(T).Name)}"),
                    Image = image ?? PRSDesktop.Resources.edit,
                    OnExecute = action =>
                    {
                        PostEntities(
                            model(),
                            refresh,
                            configurePost);
                    }
                });
            }

            if (configurePost is not null && Security.CanConfigurePost<T>())
            {
                host.CreateSetupAction(new PanelAction
                {
                    Caption = $"Configure {CoreUtils.Neatify(typeof(T).Name)} Processing",
                    OnExecute = action =>
                    {
                        configurePost();
                    }
                });
            }
        }

        public static void ConfigurePost<T>()
            where T : Entity, IPostable, IRemotable, IPersistent, new()
        {
            var postSettings = PosterUtils.LoadPostableSettings<T>();

            var grid = (DynamicGridUtils.CreateDynamicGrid(typeof(DynamicGrid<>), typeof(PostableSettings)) as DynamicGrid<PostableSettings>)!;
            if (grid.EditItems(new PostableSettings[] { postSettings }))
            {
                PosterUtils.SavePostableSettings<T>(postSettings);
            }
        }

        public static void CreateToolbarButtons<T>(IPanelHost host, Func<IDataModel<T>> model, Action refresh, bool allowConfig)
            where T : Entity, IPostable, IRemotable, IPersistent, new()
        {
            CreateToolbarButtons(host, model, refresh, allowConfig ? ConfigurePost<T> : null);
        }
    }
}