using Comal.Classes;
using InABox.Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using InABox.Clients;
using InABox.Configuration;
using InABox.DynamicGrid;
using System.Diagnostics;
using System.IO;
using InABox.WPF;

namespace PRSDesktop
{
    public class StagingPanellSettings : BaseObject, IGlobalConfigurationSettings
    {
        [Caption("PDF Markup Program Pathway", IncludePath = false)]
        [FileNameEditor]
        public string MarkupPathway { get; set; }

        [FolderEditor(Environment.SpecialFolder.CommonDocuments)]
        public string SetoutsFolder { get; set; }

        public StagingPanellSettings()
        {
            MarkupPathway = "";
            SetoutsFolder = "";
        }
    }

    /// <summary>
    /// Interaction logic for StagingPanel.xaml
    /// </summary>
    public partial class StagingPanel : UserControl, IPanel<StagingSetout>
    {
        private StagingPanellSettings _settings = new StagingPanellSettings();

        StagingSetout _item = new StagingSetout();

        List<StagingSetout> _items = new List<StagingSetout>();

        DynamicDataGrid<Document> _materialDocs;
        public StagingPanel()
        {
            InitializeComponent();
            SectionName = nameof(StagingPanel);
        }

        private void DocumentPreviewer_OnApproved(IEntityDocument stagingsetoutdocument)
        {
            bool bulkApprove = false;
            if (_items.Count > 1)
            {
                if (MessageBox.Show("Bulk approve? (Skip individual setout approval)", "Continue?", MessageBoxButton.OKCancel) == MessageBoxResult.OK)
                {
                    bulkApprove = true;
                    Progress.Show("Approving Setouts..");
                }                  
            }
            
            string message = "Result: " + Environment.NewLine;

            foreach (var item in _items)
            {
                if (bulkApprove)
                    Progress.Show("Working on " + item.Number);
                var returnstring = ApproveSetout(item, bulkApprove);
                if (!string.IsNullOrWhiteSpace(returnstring))
                    message = message + returnstring + Environment.NewLine;
            }

            if(bulkApprove)
                Progress.Close();

            foreach (var item in _items)
                DeleteAndRefresh(item);

            MessageBox.Show(message);
        }

        private string ApproveSetout(StagingSetout item, bool bulkapprove)
        {
            if (item.Group.ID == Guid.Empty)
            {
                var message = "Setout has no group assigned";
                if (Security.IsAllowed<CanApproveSetoutsWithoutGroup>())
                {
                    if (MessageBox.Show(message + ", continue?", "Continue?", MessageBoxButton.OKCancel) != MessageBoxResult.OK)
                        return "";
                }
                else
                {
                    MessageBox.Show(message + ", please assign a group!");
                    return "";
                }
            }

            var setoutdoctable = new Client<StagingSetoutDocument>().Query(
                new Filter<StagingSetoutDocument>(x => x.EntityLink.ID).IsEqualTo(item.ID),
                new Columns<StagingSetoutDocument>(x => x.ID, x => x.DocumentLink.ID, x => x.DocumentLink.FileName));

            if (!setoutdoctable.Rows.Any())
                return "";

            var stagingsetoutdocument = setoutdoctable.Rows.FirstOrDefault().ToObject<StagingSetoutDocument>();

            var table = new Client<Setout>().Query(new Filter<Setout>(x => x.Number).IsEqualTo(item.Number),
                new Columns<Setout>(x => x.ID));

            var setout = new Setout();
            //setout already exists - create new setoutdoc and supercede old ones
            if (table.Rows.Any())
            {
                if (!bulkapprove)
                    if (MessageBox.Show("Supercede existing documents?", "Proceed?", MessageBoxButton.YesNo) != MessageBoxResult.Yes)
                        return "";

                setout = table.Rows.FirstOrDefault().ToObject<Setout>();

                setout.Group.ID = item.Group.ID;

                item.Setout.ID = setout.ID;

                var setoutdoc = new SetoutDocument();
                setoutdoc.EntityLink.ID = setout.ID;
                setoutdoc.DocumentLink.ID = stagingsetoutdocument.DocumentLink.ID;

                List<SetoutDocument> setoutdocs = new List<SetoutDocument>
                {
                        setoutdoc
                };

                CoreTable oldDocsTable = new Client<SetoutDocument>().Query(
                    new Filter<SetoutDocument>(x => x.EntityLink.ID).IsEqualTo(setout.ID)
                    .And(x => x.DocumentLink.ID).IsNotEqualTo(item.Group.OptimizationDocument.ID)
                    );
                foreach (var row in oldDocsTable.Rows)
                {
                    var oldDoc = row.ToObject<SetoutDocument>();
                    if (oldDoc.Superceded == DateTime.MinValue)
                    {
                        oldDoc.Superceded = DateTime.Now;
                        setoutdocs.Add(oldDoc);
                    }
                }
                new Client<SetoutDocument>().Save(setoutdocs, "Updated from Staging Screen");
                new Client<Setout>().Save(setout, "Updated from Staging Screen");

                return item.Number + " Superceded";
            }

            //no setout for this pdf - create new
            else
            {
                setout.Number = item.Number;
                setout.JobLink.ID = item.JobLink.ID;
                setout.Group.ID = item.Group.ID;

                var editor = new DynamicDataGrid<Setout>();
                editor.OnAfterSave += (editor, items) =>
                {
                    CreateSetoutDocument(setout, item, stagingsetoutdocument);
                };

                if (!bulkapprove)
                {
                    if (!editor.EditItems(new[] { setout }))
                    {
                        MessageBox.Show("Setout Creation Cancelled");
                        return "";
                    }
                    else
                        return item.Number + " Created";
                }
                else
                {
                    new Client<Setout>().Save(setout, "Added from staging screen");
                    CreateSetoutDocument(setout, item, stagingsetoutdocument);
                    return item.Number + " Created";
                }
            }

            //currently not creating packets due to temporary change in requirements - to uncomment and check for validity when required
            //CreatePackets(setout);
        }

        private void CreateSetoutDocument(Setout setout, StagingSetout item, StagingSetoutDocument stagingsetoutdocument)
        {
            item.Setout.ID = setout.ID;

            var setoutdoc = new SetoutDocument();
            setoutdoc.EntityLink.ID = setout.ID;
            setoutdoc.DocumentLink.ID = stagingsetoutdocument.DocumentLink.ID;

            new Client<SetoutDocument>().Save(setoutdoc, "Added from staging screen");
        }

        private void CreatePackets(Setout setout)
        {
            List<ManufacturingPacket> packets = new List<ManufacturingPacket>();
            List<StagingManufacturingPacket> stagingPackets = new List<StagingManufacturingPacket>();

            //create new manufacturing packets from the staging packets
            foreach (var row in manufacturingControl.Data.Rows)
            {
                var staging = row.ToObject<StagingManufacturingPacket>();
                if (staging.ManufacturingPacket.ID != Guid.Empty)
                    continue;

                var packet = new ManufacturingPacket();
                packet.SetoutLink.ID = setout.ID;
                packet.Serial = staging.Serial;
                packet.ITP.ID = staging.ITP.ID;
                packet.JobLink.ID = staging.Job.ID;
                packet.ManufacturingTemplateLink.ID = staging.Template.ID;
                packet.Title = staging.Title;
                packet.Quantity = staging.Quantity;
                packet.BarcodeQty = staging.BarcodeQuantity != 0 ? staging.BarcodeQuantity : packet.Quantity;
                packet.WaterMark = staging.Watermark.ToString();
                packet.Location = staging.Location;

                packets.Add(packet);
                stagingPackets.Add(staging);
            }

            //save the newly created packets to provide an ID
            new Client<ManufacturingPacket>().Save(packets, "Created from Design Management Panel");

            //now work on their stages with the provided packet.ID
            List<ManufacturingPacketStage> stages = new List<ManufacturingPacketStage>();

            Dictionary<StagingManufacturingPacketComponent, ManufacturingPacketComponent> stagingToActualComponents = new Dictionary<StagingManufacturingPacketComponent, ManufacturingPacketComponent>();

            //Handled in this loop:
            // - staging packets (update packet.ID)
            // - creation of template stages
            // - creation of components from staging components
            foreach (var stagingPacket in stagingPackets)
            {
                var packet = packets.FirstOrDefault(x => x.Serial == stagingPacket.Serial);
                stagingPacket.ManufacturingPacket.ID = packet.ID;

                stages.AddRange(CreateStagesForTemplate(packet.ManufacturingTemplateLink.ID, packet.ID));

                CreateComponents(stagingPacket.ID, packet.ID, stagingToActualComponents);
            }

            //save everything
            MultiSave save = new MultiSave();
            save.Add(typeof(ManufacturingPacketStage), stages.ToArray());
            save.Add(typeof(StagingManufacturingPacket), stagingPackets.ToArray());
            save.Add(typeof(ManufacturingPacketComponent), stagingToActualComponents.Values.ToArray());
            save.Save(null, "Updated from setout staging screen");

            foreach (var pair in stagingToActualComponents)
            {
                var stagingComponent = pair.Key;
                stagingComponent.ComponentID = pair.Value.ID;
            }

            new Client<StagingManufacturingPacketComponent>().Save(stagingToActualComponents.Keys.ToArray(), "Updated from setout staging screen");
        }

        private void CreateComponents(Guid stagingPacketID, Guid packetID, Dictionary<StagingManufacturingPacketComponent, ManufacturingPacketComponent> stagingToActualComponents)
        {
            var components = new List<ManufacturingPacketComponent>();
            CoreTable table = new Client<StagingManufacturingPacketComponent>().Query(
                new Filter<StagingManufacturingPacketComponent>(x => x.StagingPacket.ID).IsEqualTo(stagingPacketID)
                .And(x => x.ComponentID).IsEqualTo(Guid.Empty),
                new Columns<StagingManufacturingPacketComponent>(
                    x => x.Product.ID,
                    x => x.Quantity,
                    x => x.Length,
                    x => x.Height,
                    x => x.Width
                ));
            foreach (var row in table.Rows)
            {
                var stagingComponent = row.ToObject<StagingManufacturingPacketComponent>();
                var component = stagingComponent.CreateComponent(packetID);
                components.Add(component);

                stagingToActualComponents.Add(stagingComponent, component);
            }
        }

        private List<ManufacturingPacketStage> CreateStagesForTemplate(Guid templateID, Guid packetID)
        {
            var stages = new List<ManufacturingPacketStage>();
            CoreTable table = new Client<ManufacturingTemplateStage>().Query(
            new Filter<ManufacturingTemplateStage>(x => x.Template.ID).IsEqualTo(templateID),
                new Columns<ManufacturingTemplateStage>
                (
                    x => x.Time,
                    x => x.Sequence,
                    x => x.SequenceType,
                    x => x.Section.ID,
                    x => x.Section.Name
                    ));
            foreach (var row in table.Rows)
            {
                var templateStage = row.ToObject<ManufacturingTemplateStage>();
                var packetStage = templateStage.CreateManufacturingPacketStage();
                packetStage.ManufacturingPacketLink.ID = packetID;
                stages.Add(packetStage);
            }
            return stages;
        }

        private void DeleteAndRefresh(StagingSetout item)
        {
            new Client<StagingSetout>().Save(item, "Updated from staging screen");
            _item = new StagingSetout();

            documentPreviewer.Document = new StagingSetoutDocument();
            Refresh();
        }

        private void DocumentPreviewer_OnRejected(IEntityDocument stagingsetoutdocument)
        {
            //dont create setout - setout.id remains blank
            //create kanban and populate task.id - this prevents it from appearing on the stagingsetout grid, and allows a new staging setout to be created when the file is saved to the folder again
            //attach the document to the task for reference

            Kanban task = new Kanban();
            task.Title = "Setout Review Task (setout rejected)";
            task.Description = "Please review the attached document for setout " + _item.Number;
            task.ManagerLink.ID = App.EmployeeID;

            var page = new KanbanGrid();
            page.MyID = App.EmployeeID;

            page.OnAfterSave += (editor, items) =>
            {
                Kanban savedTask = (Kanban)items[0];
                KanbanDocument doc = new KanbanDocument();
                doc.EntityLink.ID = savedTask.ID;
                doc.DocumentLink.ID = stagingsetoutdocument.DocumentLink.ID;
                new Client<KanbanDocument>().Save(doc, "Created from staging screen");

                _item.Task.ID = savedTask.ID;
                new Client<StagingSetout>().Save(_item, "Updated from staging screen");


                MessageBox.Show("Success - Task Created for Document " + _item.Number + " (Task no. " + savedTask.Number + " assigned to " + savedTask.EmployeeLink.Name + ")");
                _item = new StagingSetout();

                documentPreviewer.Document = new StagingSetoutDocument();
                stagingSetoutGrid.Refresh(false, true);
            };

            if (!page.EditItems(new[] { task }))
                MessageBox.Show("Task creation cancelled - setout not rejected");
        }

        private void StagingSetoutGrid_OnSelectItem(object sender, InABox.DynamicGrid.DynamicGridSelectionEventArgs e)
        {
            _items.Clear();

            foreach (var row in stagingSetoutGrid.SelectedRows)
                _items.Add(row.ToObject<StagingSetout>());

            _item = stagingSetoutGrid.SelectedRows.FirstOrDefault().ToObject<StagingSetout>();

            var doc = new Client<StagingSetoutDocument>().Query(
                new Filter<StagingSetoutDocument>(x => x.EntityLink.ID)
                .IsEqualTo(_item.ID),
                new Columns<StagingSetoutDocument>(x => x.ID, x => x.DocumentLink.ID, x => x.DocumentLink.FileName))
                .Rows.FirstOrDefault().ToObject<StagingSetoutDocument>();

            documentPreviewer.Document = doc;
            manufacturingControl.StagingSetout = _item;
            documentPreviewer.Mode =
                _item.Locked == DateTime.MinValue ? InABox.Wpf.DocumentApprovalControl.ControlMode.Markup :
                _item.Locked != DateTime.MinValue && _item.LockedBy.ID == App.EmployeeID ? InABox.Wpf.DocumentApprovalControl.ControlMode.Complete :
                _item.Locked != DateTime.MinValue && _item.LockedBy.ID != App.EmployeeID ? InABox.Wpf.DocumentApprovalControl.ControlMode.Locked :
               InABox.Wpf.DocumentApprovalControl.ControlMode.Markup;
        }

        public bool IsReady { get; set; }

        public string SectionName { get; }


        public event DataModelUpdateEvent? OnUpdateDataModel;

        public void CreateToolbarButtons(IPanelHost host)
        {
            host.CreateSetupAction(new PanelAction() { Caption = "Setouts Configuration", Image = PRSDesktop.Resources.specifications, OnExecute = ConfigSettingsClick });
        }

        private void ConfigSettingsClick(PanelAction obj)
        {
            var pages = new DynamicEditorPages();
            var propertyEditor = new DynamicEditorForm(typeof(StagingPanellSettings), pages);
            propertyEditor.OnDefineLookups += sender =>
            {
                var editor = sender.EditorDefinition as ILookupEditor;
                var colname = sender.ColumnName;
                var values = editor.Values(colname, new[] { _settings });
                sender.LoadLookups(values);
            };
            propertyEditor.OnEditorValueChanged += (sender, name, value) =>
            {
                CoreUtils.SetPropertyValue(_settings, name, value);
                return new Dictionary<string, object?>();
            };
            propertyEditor.OnFormCustomiseEditor += PropertyEditor_OnFormCustomiseEditor;

            propertyEditor.Items = new BaseObject[] { _settings };

            if (propertyEditor.ShowDialog() == true)
            {
                new GlobalConfiguration<StagingPanellSettings>().Save(_settings);
            }
        }

        private void PropertyEditor_OnFormCustomiseEditor(IDynamicEditorForm sender, object[] items, DynamicGridColumn column, BaseEditor editor)
        {

        }

        public void Heartbeat(TimeSpan time)
        {

        }

        public void Refresh()
        {
            //stagingSetoutGrid.ScanFiles(_settings.SetoutsFolder);
            stagingSetoutGrid.Refresh(false, true);
            documentPreviewer.Document = new StagingSetoutDocument();

            manufacturingControl.StagingSetout = new StagingSetout();
            manufacturingControl.Refresh();
        }

        public Dictionary<string, object[]> Selected()
        {
            return new();
        }

        public void Setup()
        {
            _settings = new GlobalConfiguration<StagingPanellSettings>().Load();

            documentPreviewer.SetupButtons(
                markupVisible: Security.IsAllowed<CanMarkUpSetouts>(),
                rejectVisible: Security.IsAllowed<CanApproveSetouts>(),
                approveVisible: Security.IsAllowed<CanApproveSetouts>()
                );
            documentPreviewer.OnMarkupSelected += DocumentPreviewer_OnMarkupSelected;
            documentPreviewer.OnMarkupComplete += DocumentPreviewer_OnMarkupComplete;
            documentPreviewer.OnRejected += DocumentPreviewer_OnRejected;
            documentPreviewer.OnApproved += DocumentPreviewer_OnApproved;

            //stagingSetoutGrid.ScanFiles(_settings.SetoutsFolder);
            stagingSetoutGrid.Refresh(true, true);
            stagingSetoutGrid.OnSelectItem += StagingSetoutGrid_OnSelectItem;
        }


        private void DocumentPreviewer_OnMarkupSelected(IEntityDocument document)
        {
            var doc = new Client<Document>().Query(new Filter<Document>(x => x.ID).IsEqualTo(document.DocumentLink.ID)).Rows.FirstOrDefault().ToObject<Document>();
            var tempdocpath = Path.GetTempPath() + @"\" + doc.FileName;
            _item.SavePath = tempdocpath;
            _item.LockedBy.ID = App.EmployeeID;
            new Client<StagingSetout>().Save(_item, "Locked from Staging Screen");
            File.WriteAllBytes(tempdocpath, doc.Data);
            using (Process p = new Process())
            {
                p.StartInfo = new ProcessStartInfo()
                {
                    UseShellExecute = true,
                    FileName = tempdocpath
                };

                p.Start();
            }
            stagingSetoutGrid.Refresh(false, true);
        }
        private void DocumentPreviewer_OnMarkupComplete(IEntityDocument document)
        {
            stagingSetoutGrid.ReloadFile(_item);
            stagingSetoutGrid.Refresh(false, true);
        }


        public void Shutdown()
        {

        }

        public DataModel DataModel(Selection selection)
        {
            return new AutoDataModel<StagingSetout>(null);
        }
    }
}