using InABox.Clients;
using InABox.Core;
using InABox.Reports;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net.Mail;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using System.Windows;
using System.Windows.Forms;
using System.Drawing;
using InABox.WPF;
using MessageBox = System.Windows.Forms.MessageBox;
using Comal.Classes;
using TextBox = System.Windows.Controls.TextBox;
using InABox.Wpf.Reports;
using InABox.Wpf;

namespace PRSDesktop;

public class PRSEmailUtils
{
    public static IEnumerable<ReportExportDefinition> CreateTemplateDefinitions(DataModel model)
    {
        var templates = new Client<DataModelTemplate>().Query(new Filter<DataModelTemplate>(x => x.Model).IsEqualTo(model.Name)
            .And(x => x.Visible).IsEqualTo(true));

        if (templates.Rows.Any())
        {
            List<ReportExportDefinition> list = new List<ReportExportDefinition>();
            foreach (CoreRow row in templates.Rows)
            {
                Action<DataModel, byte[]> action = new Action<DataModel, byte[]>((model, data) =>
                {
                    DoEmailAction(model, data, row.Get<DataModelTemplate, string>(x => x.Name));
                });
                list.Add(
                    new ReportExportDefinition(
                        "Email Report",
                        ImageUtils.CreatePreviewWindowButtonContent(row.Get<DataModelTemplate, string>(x => x.Name),PRSDesktop.Resources.emailreport), 
                        ReportExportType.PDF, 
                        action));
            }
            return list;
        }
        else
            return new List<ReportExportDefinition>() 
            { 
                new ReportExportDefinition(
                    "Email Report",
                    ImageUtils.CreatePreviewWindowButtonContent("Email",PRSDesktop.Resources.emailreport), 
                    ReportExportType.PDF,
                        DoEmailReport)
            };
    }

    private static void DoEmailAction(DataModel model, byte[] data, string templateName)
    {
        var template = Client.Query(new Filter<DataModelTemplate>(x => x.Name).IsEqualTo(templateName))
            .ToObjects<DataModelTemplate>().First();

        ParseTemplateAndCreateEmail(template, model, data);
    }

    private static void ParseTemplateAndCreateEmail(DataModelTemplate template, DataModel model, byte[] data)
    {
        var to = DataModelUtils.ParseTemplate(model, template.To).Replace("\n", "").Replace("\r", "");
        var Subject = DataModelUtils.ParseTemplate(model, template.Subject).Replace("\n", "").Replace("\r", "");
        var attachmentName = DataModelUtils.ParseTemplate(model, template.AttachmentName).Replace("\n", "").Replace("\r", "");
        var body = DataModelUtils.ParseTemplate(model, template.Template);

        if (string.IsNullOrWhiteSpace(attachmentName))
            attachmentName = model.Name;
        EmailUtils.CreateEMLFile(attachmentName, data, App.EmployeeEmail, Subject, body, to);
    }

    public static void DoEmailReport(DataModel model, byte[] data)
    {
        string attachmentName = DetermineName(model);
        EmailUtils.CreateEMLFile(attachmentName, data, App.EmployeeEmail, "Emailing report for " + attachmentName);
    }

    private static string DetermineName(DataModel model)
    {
        string title = model.Name;
        if (model.HasTable<Requisition>())
        {
            CoreTable table = model.GetTable<Requisition>();
            title = title + " - " + table.Rows.FirstOrDefault().Get<Requisition, string>(x => x.Title);
        }
        else if (model.HasTable<PurchaseOrder>())
        {
            title = "Purchase Order ";
            CoreTable table = model.GetTable<PurchaseOrder>();
            if (table.Rows.Count == 1)
                title += table.Rows.FirstOrDefault().Get<PurchaseOrder, string>(x => x.PONumber);
            else if (table.Rows.Count > 1)
            {
                foreach (CoreRow row in table.Rows)
                {
                    title = title + row.Get<PurchaseOrder, string>(x => x.PONumber) + ", ";
                }
                title = title.Substring(0, title.Length - 2);
            }
        }

        return title;
    }

}