using System;
using PX.Data;
using PX.Data.BQL;
using PX.Data.BQL.Fluent;
using System.Xml.Linq;
using System.Drawing;
using System.IO;
using System.Collections.Specialized;
using PX.Common;
using System.Text.RegularExpressions;

namespace DefaultReports
{
    public class CSReportColorsMaint : PXGraph<CSReportColorsMaint, CSReportColors>
    {

        public SelectFrom<CSReportColors>.View ReportColors;

        #region Event Handlers
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor1> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string) e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor2> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor3> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor4> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor5> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor6> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor7> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor8> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor9> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }
        protected virtual void _(Events.FieldVerifying<CSReportColors, CSReportColors.pcrsushexcolor10> e)
        {
            if (e.Row == null || e.NewValue == null) return;
            CheckHexColor((string)e.NewValue);
        }

        protected void _(Events.RowPersisted<CSReportColors> x)
        {
            CSReportColors row = x.Row;
            string FileName = Path.Combine(PX.Data.Update.PXInstanceHelper.RootFolder, "ReportsDefault\\pcrsusstylestemplate.rpx");

            bool result = File.Exists(FileName);
            if (result == true) {
                string[] hexcolorfield = { row.Pcrsushexcolor1, row.Pcrsushexcolor2, row.Pcrsushexcolor3, row.Pcrsushexcolor4, row.Pcrsushexcolor5, row.Pcrsushexcolor6, row.Pcrsushexcolor7, row.Pcrsushexcolor8, row.Pcrsushexcolor9, row.Pcrsushexcolor10 };
                for (int i = 0; i < 10; i++) {
                    WriteColor(hexcolorfield[i], i+1, FileName);
                }
            }
            else { }
        }

        #endregion
        private static void CheckHexColor(string fieldvalue)
        {
            var regexColorCode = new Regex("^#[a-fA-F0-9]{6}$");
            if (!regexColorCode.IsMatch(fieldvalue.Trim()))
            {
                throw new PXSetPropertyException(Messages.IllegalHexColor);
            }
        }

    private static void WriteColor(string color, int i, string FileName)
        {
            string Name = "Company" + i + "-DocColor-N-R";
            string Name2 = "Company" + i + "-DocLineColor";
            if (color == null)
            {
                XDocument doc = XDocument.Load(FileName);
                foreach (XElement elm in doc.Element("Report").Element("StyleSheet").Elements("StyleRule"))
                {
                    if (elm.Element("Name").Value == Name)
                    {
                        elm.Element("Style").Element("Color").Value = "72,61,139";
                    }
                    else if (elm.Element("Name").Value == Name2)
                    {
                        elm.Element("Style").Element("BorderColor").Element("Bottom").Value = "72,61,139";
                    }
                }
                doc.Save(FileName);
            }
            else
            {
                var regexColorCode = new Regex("^#[a-fA-F0-9]{6}$");
                if (!regexColorCode.IsMatch(color.Trim())) { }
                else
                {
                    XDocument doc = XDocument.Load(FileName);
                    Color colour = ColorTranslator.FromHtml(color);
                    var rgb = $"{colour.R}, {colour.G}, {colour.B}";
                    foreach (XElement elm in doc.Element("Report").Element("StyleSheet").Elements("StyleRule"))
                    {
                        if (elm.Element("Name").Value == Name)
                        {
                            elm.Element("Style").Element("Color").Value = rgb;
                        }
                        else if (elm.Element("Name").Value == Name2)
                        {
                            elm.Element("Style").Element("BorderColor").Element("Bottom").Value = rgb;
                        }
                    }
                    doc.Save(FileName);
                }
            }



        }
    }
}