using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.Core.Reports;
using InABox.Wpf.Reports;
using InABox.WPF;
using InABox.Wpf;
using System.Windows.Media.Imaging;
using InABox.Configuration;
using System.Collections.Generic;

namespace PRSDesktop
{
    
    public class InvoiceGridSettings : IUserConfigurationSettings
    {
        [Obsolete]
        private CoreFilterDefinition? _currentFilter;

        [Obsolete]
        public CoreFilterDefinition? CurrentFilter
        {
            get => _currentFilter;
            set
            {
                if (value is not null)
                {
                    Filters = new DynamicGridSelectedFilterSettings(new List<CoreFilterDefinition> { value }, false, null);
                }
            }
        }

        public DynamicGridSelectedFilterSettings Filters { get; set; } = new();
    }
    
    public class InvoiceGrid : DynamicDataGrid<Invoice>, IMasterDetailControl<Job,Invoice>
    {
        private static readonly BitmapImage? post = PRSDesktop.Resources.post.AsBitmapImage();
        private static readonly BitmapImage? tick = PRSDesktop.Resources.tick.AsBitmapImage();
        private static readonly BitmapImage? warning = PRSDesktop.Resources.warning.AsBitmapImage();
        private static readonly BitmapImage? refresh = PRSDesktop.Resources.refresh.AsBitmapImage();

        private InvoiceGridSettings _settings;
     
        public Job? Master { get; set; }

        public Filter<Invoice> MasterDetailFilter => Master != null
            ? Master.ID != Guid.Empty 
                ? new Filter<Invoice>(x => x.JobLink.ID).IsEqualTo(Master.ID)
                : new Filter<Invoice>().None()
            : new Filter<Invoice>().All();
        
        protected override void Init()
        {
            base.Init();
            
            _settings = new UserConfiguration<InvoiceGridSettings>().Load();
            FilterComponent.SetSettings(_settings.Filters, false);
            FilterComponent.OnFiltersSelected += FilterComponent_OnFilterSelected;

            AddButton("Print", PRSDesktop.Resources.printer.AsBitmapImage(), PrintInvoice2);
            AddButton("Email", PRSDesktop.Resources.email.AsBitmapImage(), EmailInvoice2);
            HiddenColumns.Add(x => x.CustomerLink.ID);
            HiddenColumns.Add(x => x.JobLink.ID);
            HiddenColumns.Add(x => x.PostedStatus);
            HiddenColumns.Add(x => x.PostedNote);
            ActionColumns.Add(new DynamicImageColumn(Posted_Image, Posted_Click)
            {
                ToolTip = Posted_ToolTip
            });
        }
        
        protected override void DoReconfigure(FluentList<DynamicGridOption> options)
        {
            base.DoReconfigure(options);
            options.AddRange(DynamicGridOption.RecordCount, DynamicGridOption.AddRows, DynamicGridOption.DeleteRows, DynamicGridOption.EditRows,
                DynamicGridOption.SelectColumns, DynamicGridOption.FilterRows);
        }

        private bool Posted_Click(CoreRow? arg)
        {
            return false;
        }

        private FrameworkElement? Posted_ToolTip(DynamicActionColumn column, CoreRow? row)
        {
            if (row is null)
            {
                return column.TextToolTip("Invoice Processed Status");
            }
            return column.TextToolTip(row.Get<Invoice, PostedStatus>(x => x.PostedStatus) switch
            {
                PostedStatus.PostFailed => "Post failed: " + row.Get<Invoice, string>(x => x.PostedNote),
                PostedStatus.RequiresRepost => "Repost required: " + row.Get<Invoice, string>(x => x.PostedNote),
                PostedStatus.Posted => "Processed",
                PostedStatus.NeverPosted or _ => "Not posted yet",
            });
        }

        private BitmapImage? Posted_Image(CoreRow? arg)
        {
            if(arg is null) 
                return post;
            return arg.Get<Invoice, PostedStatus>(x => x.PostedStatus) switch
            {
                PostedStatus.PostFailed => warning,
                PostedStatus.Posted => tick,
                PostedStatus.RequiresRepost => refresh,
                PostedStatus.NeverPosted or _ => null,
            };
        }


        
        //public bool IncludePaidInvoices { get; set; }

        protected override void Reload(Filters<Invoice> criteria, Columns<Invoice> columns,
            ref SortOrder<Invoice>? sort,
            Action<CoreTable?, Exception?> action)
        {
            criteria.Add(MasterDetailFilter);
            base.Reload(criteria, columns, ref sort, action);
        }

        protected override bool CanCreateItems()
        {
            return base.CanCreateItems() && (Master == null || Master.ID != Guid.Empty);
        }

        public override Invoice CreateItem()
        {
            var result = base.CreateItem();
            result.JobLink.ID = Master?.ID ?? Guid.Empty;
            result.JobLink.Synchronise(Master ?? new Job());
            return result;
        }

        public override void LoadEditorButtons(Invoice item, DynamicEditorButtons buttons)
        {
            base.LoadEditorButtons(item, buttons);
            buttons.Add(new DynamicEditorButton("Print", PRSDesktop.Resources.printer.AsBitmapImage(), item, PrintInvoice));
            buttons.Add(new DynamicEditorButton("Email", PRSDesktop.Resources.email.AsBitmapImage(), item, EmailInvoice));
        }

        //private Dictionary<Type, CoreTable> LoadReportData(Guid jobid, Guid invoiceid, Guid customerid) // CoreRow row)
        //{
        //    Dictionary<Type, CoreTable> env = new Dictionary<Type, CoreTable>();
        //    env[typeof(Invoice)] = new Client<Invoice>().Query(new Filter<Invoice>(x => x.ID).IsEqualTo(invoiceid));
        //    env[typeof(Job)] = new Client<Job>().Query(new Filter<Job>(x => x.ID).IsEqualTo(jobid));
        //    env[typeof(Customer)] = new Client<Customer>().Query(new Filter<Customer>(x => x.ID).IsEqualTo(customerid));
        //    env[typeof(InvoiceLine)] = new Client<InvoiceLine>().Query(new Filter<InvoiceLine>(x => x.InvoiceLink.ID).IsEqualTo(invoiceid));

        //    return env;
        //}

        private ReportTemplate LoadTemplate(DataModel model, string templatename)
        {
            var sectionName = "InvoiceListGrid";
            var client = new Client<ReportTemplate>();
            var template = client.Load(
                new Filter<ReportTemplate>(x => x.Section).IsEqualTo(sectionName)
                    .And(x => x.DataModel).IsEqualTo(model.Name)
                    .And(x => x.Name).IsEqualTo(templatename),
                new SortOrder<ReportTemplate>(x => x.Name)
            ).FirstOrDefault();

            if (template == null)
                template = new ReportTemplate { DataModel = model.Name, Section = sectionName, Name = templatename };
            return template;
        }

        private bool PrintInvoice2(Button btn, CoreRow[] rows)
        {
            if (rows.Length != 1)
            {
                MessageBox.Show("Please select one Invoice to print!");
                return false;
            }

            var row = rows.First();

            var InvoiceID = row.Get<Invoice, Guid>(x => x.ID);
            var JobID = row.Get<Invoice, Guid>(x => x.JobLink.ID);
            var CustomerID = row.Get<Invoice, Guid>(x => x.CustomerLink.ID);

            DoPrintInvoice(JobID, InvoiceID, CustomerID);

            return false;
        }

        private void PrintInvoice(object sender, object? item)
        {
            var inv = (Invoice)sender;
            DoPrintInvoice(inv.JobLink.ID, inv.ID, inv.CustomerLink.ID);
        }

        private void DoPrintInvoice(Guid jobid, Guid invoiceid, Guid customerid)
        {
            var model = new InvoiceDataModel(new Filter<Invoice>(x => x.ID).IsEqualTo(invoiceid));
            var template = LoadTemplate(model, "Invoice");

            ReportUtils.PreviewReport(template, model, false, Security.IsAllowed<CanDesignReports>());
        }

        private bool EmailInvoice2(Button btn, CoreRow[] rows)
        {
            if (rows.Length != 1)
            {
                MessageBox.Show("Please select an Invoice to print!");
                return false;
            }

            var row = rows.First();

            var InvoiceNumber = row.Get<Invoice, int>(x => x.Number);
            var InvoiceID = row.Get<Invoice, Guid>(x => x.ID);
            var CustomerID = row.Get<Invoice, Guid>(x => x.CustomerLink.ID);

            DoEmailInvoice(InvoiceID, InvoiceNumber, CustomerID);

            return false;
        }

        private void EmailInvoice(object sender, object? item)
        {
            if (item is not Invoice inv) return;

            DoEmailInvoice(inv.ID, inv.Number, inv.CustomerLink.ID);
        }

        private void DoEmailInvoice(Guid invoiceid, int invoicenumber, Guid customerid)
        {
            MessageBox.Show("PDF Functions broken in .NET6");

            // InvoiceDataModel model = new InvoiceDataModel(new Filter<Invoice>(x => x.ID).IsEqualTo(invoiceid));
            // model.Populate();
            //
            // var template = LoadTemplate(model, "Invoice");
            //
            // byte[] pdf = InABox.Reports.ReportUtils.ReportToPDF(template,model,false);
            // String filename = Path.Combine(Path.GetTempPath(), String.Format("Invoice {0}.pdf", invoicenumber));
            // File.WriteAllBytes(filename, pdf);
            //
            // //PdfDocument finalDoc = new PdfDocument();
            // //PdfDocument.Merge(finalDoc, filename);
            // //finalDoc.Save(filename);
            // //finalDoc.Close(true);
            //
            // Employee me = new Client<Employee>().Load(new Filter<Employee>(x => x.UserLink.ID).IsEqualTo(ClientFactory.UserGuid)).FirstOrDefault();
            //
            // var mailer = ClientFactory.CreateMailer();
            // var msg = mailer.CreateMessage();
            // msg.From = me.Email;
            //
            //
            // List<String> emails = new List<String>();
            // if (customerid != default(Guid))
            // {
            //     var contacts = new Client<CustomerContact>().Load(new Filter<CustomerContact>(x => x.Customer.ID).IsEqualTo(customerid).And(x => x.Contact.Email).IsNotEqualTo("").And(x => x.Type.AccountsPayable).IsEqualTo(true));
            //     emails.AddRange(contacts.Select(x => x.Contact.Email));
            //     if (!emails.Any())
            //     {
            //         var customer = new Client<Customer>().Load(new Filter<Customer>(x => x.ID).IsEqualTo(customerid).And(x => x.Email).IsNotEqualTo("")).FirstOrDefault();
            //         if (customer != null)
            //             emails.Add(customer.Email);
            //     }
            // }
            //
            // msg.To = emails;
            // msg.Attachments = new Tuple<String, byte[]>[] { new Tuple<String,byte[]>(filename, pdf) };
            // msg.Subject = "New Invoice Available";
            // msg.Body = "Please find your invoice attached";
            // mailer.SendMessage(msg);
        }
        
        private void FilterComponent_OnFilterSelected(DynamicGridSelectedFilterSettings settings)
        {
            _settings.Filters = settings;
            new UserConfiguration<InvoiceGridSettings>().Save(_settings);
        }
    }
}