using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using Comal.Classes;
using InABox.Clients;
using InABox.Configuration;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.Reports;
using InABox.Core.Reports;
using InABox.Scripting;
using InABox.Wpf.Reports;
using InABox.WPF;
using PRSDesktop.Configuration;
using Syncfusion.Windows.Tools;
using Syncfusion.Windows.Tools.Controls;

namespace PRSDesktop
{
    /// <summary>
    ///     Interaction logic for SecondaryWindow.xaml
    /// </summary>
    public partial class SecondaryWindow : RibbonWindow, IPanelHost
    {
        private readonly Guid _id = Guid.Empty;
        private readonly string _modulesection = "";
        private readonly IBasePanel _panel;
        private readonly string _type = "";
        private bool bLoaded;

        public SecondaryWindow(Guid id, string type, string modulesection, double left, double top, double width, double height)
        {
            _id = id;
            _modulesection = modulesection;
            _type = type;

            InitializeComponent();

            _ribbon.BackStageButton.Visibility = Visibility.Collapsed;

            Left = left;
            Top = top;
            Width = width;
            Height = height;
            _panel = Activator.CreateInstance(Type.GetType(type)) as IBasePanel;
            ContentBorder.Child = _panel as UIElement;
            Title = string.Format("{0} - PRS Desktop (Release {1})", modulesection, CoreUtils.GetVersion());
            (_ribbon.Items[0] as RibbonTab).Caption = modulesection;
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            _panel.Setup();
            _panel.Refresh();

            var model = _panel.DataModel(Selection.None);
            var section = _panel.SectionName;
            ReloadModules(section, model);
            ReloadReports(section, model);


            bLoaded = true;
        }

        private void RefreshMenu_Click(object sender, RoutedEventArgs e)
        {
            _panel.Refresh();
        }

        private void Wiki_Click(object sender, RoutedEventArgs e)
        {
            Process.Start("https://prsdigital.com.au/wiki/index.php/" + _type.Replace(" ", "_").Replace("/", ""));
        }

        #region Save / Load Window Location

        private void SaveSettings()
        {
            if (App.IsClosing)
                return;
            var tuple = new Tuple<string, string, double, double, double, double>(
                _panel.GetType().EntityName(),
                _modulesection,
                Left,
                Top,
                Width,
                Height
            );
            App.DatabaseSettings.SecondaryWindows[_id] = tuple;
            new LocalConfiguration<DatabaseSettings>(App.Profile).Save(App.DatabaseSettings);
        }

        private void Window_Closing(object sender, CancelEventArgs e)
        {
            if (App.IsClosing)
                return;
            App.DatabaseSettings.SecondaryWindows.Remove(_id);
            new LocalConfiguration<DatabaseSettings>(App.Profile).Save(App.DatabaseSettings);
        }

        private void Window_LocationChanged(object sender, EventArgs e)
        {
            if (bLoaded)
                SaveSettings();
        }

        private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            if (bLoaded)
                SaveSettings();
        }

        #endregion

        #region Report Buttons

        private void ReloadReports(string section, DataModel model)
        {
            Print.Visibility = Security.IsAllowed<CanDesignReports>() ? Visibility.Visible : Visibility.Collapsed;
            Print.LauncherButton.Tag = model;
            Print.IsLauncherButtonVisible = Security.IsAllowed<CanDesignReports>();
            Print.Items.Clear();

            var worker = new BackgroundWorker();
            IProgress<Tuple<string, Guid>> progress = new Progress<Tuple<string, Guid>>(report => CreateReportButton(report));
            worker.DoWork += (o, e) =>
            {
                var client = new Client<ReportTemplate>();
                var templates = client.Query(
                    new Filter<ReportTemplate>(x => x.DataModel).IsEqualTo(model.Name)
                        .And(x => x.Section).IsEqualTo(section)
                        .And(x => x.Visible).IsEqualTo(true),
                    new Columns<ReportTemplate>(x => x.ID, x => x.Name),
                    new SortOrder<ReportTemplate>(x => x.Name)
                );
                foreach (var row in templates.Rows)
                    progress.Report(
                        new Tuple<string, Guid>(
                            row.Get<ReportTemplate, string>(x => x.Name),
                            row.Get<ReportTemplate, Guid>(x => x.ID)
                        )
                    );
            };
            worker.RunWorkerAsync();
        }

        public void CreateReportButton(Tuple<string, Guid> report)
        {
            Print.Visibility = Visibility.Visible;

            var button = new RibbonButton
            {
                Label = report.Item1,
                LargeIcon = PRSDesktop.Resources.printer.AsBitmapImage(),
                Tag = report.Item2,
                SizeForm = SizeForm.Large,
                MinWidth = 60
            };
            button.Click += ReportMenu_Checked;
            Print.Items.Add(button);
        }

        private void ReportMenu_Checked(object sender, RoutedEventArgs e)
        {
            var item = (RibbonButton)sender;
            var id = (Guid)item.Tag;
            var template = new Client<ReportTemplate>().Load(new Filter<ReportTemplate>(x => x.ID).IsEqualTo(id)).FirstOrDefault();

            var selection = Selection.None;

            if (template.SelectedRecords && template.AllRecords)
                selection = RecordSelectionDialog.Execute();
            else if (template.SelectedRecords)
                selection = Selection.Selected;
            else if (template.AllRecords)
                selection = Selection.All;
            else
                MessageBox.Show("Report must have either [Selected Records] or [All Records] checked to display!");
            if (selection != Selection.None)
                ReportUtils.PreviewReport(template, _panel.DataModel(selection), false, Security.IsAllowed<CanDesignReports>());
        }

        private void ManageReportsClick(object sender, RoutedEventArgs e)
        {
            var model = _panel.DataModel(Selection.None);
            var section = _panel.SectionName;
            var form = new ReportManager { 
                DataModel = model,
                Section = section
            };
            form.ShowDialog();
            ReloadReports(section, model);
        }

        #endregion

        #region Modules

        public void CreatePanelAction(PanelAction action)
        {
            var button = new RibbonButton
            {
                Label = action.Caption,
                LargeIcon = action.Image.AsBitmapImage(),
                SizeForm = SizeForm.Large,
                MinWidth = 60,
                Tag = action
            };
            button.Click += PaneActionClick;
            Actions.Items.Add(button);
        }
        public void CreateSetupAction(PanelAction action) => CreatePanelAction(action);

        private void PaneActionClick(object sender, RoutedEventArgs e)
        {
            var button = (Control)sender;
            var action = (PanelAction)button.Tag;
            action.Execute();
        }

        private void ReloadModules(string section, DataModel model)
        {
            if (!ClientFactory.IsSupported<CustomModule>())
                return;

            Actions.IsLauncherButtonVisible = Security.IsAllowed<CanCustomiseModules>();
            while (Actions.Items.Count > 2)
                Actions.Items.RemoveAt(Actions.Items.Count - 1);
            _panel.CreateToolbarButtons(this);

            new Client<CustomModule>().Query(
                new Filter<CustomModule>(x => x.Section).IsEqualTo(section)
                    .And(x => x.DataModel).IsEqualTo(model.Name)
                    .And(x => x.Visible).IsEqualTo(true),
                new Columns<CustomModule>(x => x.ID)
                    .Add(x => x.Name)
                    .Add(x => x.Script)
                    .Add(x => x.Thumbnail.ID),
                new SortOrder<CustomModule>(x => x.Name),
                (modules, e1) =>
                {
                    if (modules != null)
                    {
                        var ids = modules.ExtractValues<CustomModule, Guid>(x => x.Thumbnail.ID).ToArray();
                        new Client<Document>().Query(
                            new Filter<Document>(x => x.ID).InList(ids),
                            new Columns<Document>(x => x.ID)
                                .Add(x => x.Data),
                            null,
                            (documents, e2) =>
                            {
                                Dispatcher.Invoke(() =>
                                {
                                    CreateModules(modules, documents);
                                    CheckModuleSeparator();
                                });
                            }
                        );
                    }
                    else
                    {
                        Dispatcher.Invoke(() => { CheckModuleSeparator(); });
                    }
                }
            );
        }

        private void CheckModuleSeparator()
        {
            Separator.Visibility = Actions.Items.Count > 2
                ? Visibility.Visible
                : Visibility.Collapsed;
        }

        private void CreateModules(CoreTable modules, CoreTable documents)
        {
            foreach (var module in modules.Rows)
            {
                var bmp = PRSDesktop.Resources.edit;
                var document = documents.Rows.FirstOrDefault(r =>
                    r.Get<Document, Guid>(c => c.ID) == module.Get<CustomModule, Guid>(c => c.Thumbnail.ID));
                if (document != null)
                    bmp = new ImageConverter().ConvertFrom(document.Get<Document, byte[]>(c => c.Data)) as Bitmap;
                var button = new RibbonButton
                {
                    Label = module.Get<CustomModule, string>(c => c.Name),
                    LargeIcon = bmp.AsBitmapImage(),
                    SizeForm = SizeForm.Large,
                    MinWidth = 60,
                    Tag = module.Get<CustomModule, string>(c => c.Script)
                };
                button.Click += Module_Click;
                Actions.Items.Add(button);
            }
        }

        private void Module_Click(object sender, RoutedEventArgs e)
        {
            var item = (RibbonButton)sender;
            var code = (string)item.Tag;
            if (!string.IsNullOrWhiteSpace(code))
                try
                {
                    var script = new ScriptDocument(code);
                    if (script.Compile())
                    {
                        script.SetValue("Data", _panel.Selected());
                        var result = script.Execute();
                        if (result)
                            _panel.Refresh();
                    }
                    else
                    {
                        MessageBox.Show("Unable to Compile Script!");
                    }
                }
                catch (Exception err)
                {
                    MessageBox.Show(CoreUtils.FormatException(err));
                }
            else
                MessageBox.Show("Unable to load " + item.Label);
        }

        private void ManageModulesClick(object sender, RoutedEventArgs e)
        {
            var model = _panel.DataModel(Selection.None);
            var section = _panel.SectionName;
            var manager = new CustomModuleManager
            {
                DataModel = model,
                Section = section
            };
            manager.ShowDialog();
            ReloadModules(section, model);
        }

        #endregion
    }
}