using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
using Resources;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.UI.DataVisualization.Charting;
using Weee.DataTransferObject;

namespace Weee.Supports
{
    public class OrganizationLCADocParser
    {
        private WordprocessingDocument wordDocument;
        public OrganizationLCADocParser(WordprocessingDocument wordDocument)
        {
            this.wordDocument = wordDocument;
        }
        public void ReplaceAllTextTagWithData(OrganizationLCAReportDTO data)
        {
            //產生衍生屬性
            var body = wordDocument.MainDocumentPart.Document.Body;
            var derived = new DerivedProperties();
            derived.TotalValue = data.WorkhourSum +
                                data.PowerSum +
                                data.CarSum +
                                data.GasolineSum +
                                data.KitchenSum +
                                data.FireEQSum +
                                data.RefSum +
                                data.SteamSum;
            derived.WorkhourPercent = derived.TotalValue == 0 ? 0 : data.WorkhourSum / derived.TotalValue;//DL-75 begin
            derived.PowerPercent = derived.TotalValue == 0 ? 0 : data.PowerSum / derived.TotalValue;
            derived.CarPercent = derived.TotalValue == 0 ? 0 : data.CarSum / derived.TotalValue;
            derived.GasolinePercent = derived.TotalValue == 0 ? 0 : data.GasolineSum / derived.TotalValue;
            derived.KitchenPercent = derived.TotalValue == 0 ? 0 : data.KitchenSum / derived.TotalValue;
            derived.FireEQPercent = derived.TotalValue == 0 ? 0 : data.FireEQSum / derived.TotalValue;
            derived.RefPercent = derived.TotalValue == 0 ? 0 : data.RefSum / derived.TotalValue;
            derived.SteamPercent = derived.TotalValue == 0 ? 0 : data.SteamSum / derived.TotalValue;

            derived.ScopeOneTotalValuePercent = derived.TotalValue == 0 ? 0 : data.ScopeOneTotalValue / derived.TotalValue;//DL-75 end
            derived.ScopeTwoTotalValue = derived.TotalValue - data.ScopeOneTotalValue;

            derived.MainSurveyFormName = "總工時";
            derived.MainSurveyFormPercent = derived.WorkhourPercent;
            var max = derived.WorkhourPercent;
            if (max < derived.PowerPercent)
            {
                derived.MainSurveyFormPercent = max = derived.PowerPercent;
                derived.MainSurveyFormName = "用電量";
            }
            if (max < derived.CarPercent)
            {
                derived.MainSurveyFormPercent = max = derived.CarPercent;
                derived.MainSurveyFormName = "車輛";
            }
            if (max < derived.GasolinePercent)
            {
                derived.MainSurveyFormPercent = max = derived.GasolinePercent;
                derived.MainSurveyFormName = "柴油";
            }
            if (max < derived.KitchenPercent)
            {
                derived.MainSurveyFormPercent = max = derived.KitchenPercent;
                derived.MainSurveyFormName = "廚房";
            }
            if (max < derived.FireEQPercent)
            {
                derived.MainSurveyFormPercent = max = derived.FireEQPercent;
                derived.MainSurveyFormName = "消防設備";
            }
            if (max < derived.RefPercent)
            {
                derived.MainSurveyFormPercent = max = derived.RefPercent;
                derived.MainSurveyFormName = "冷媒";
            }
            if (max < derived.SteamPercent)
            {
                derived.MainSurveyFormPercent = max = derived.SteamPercent;
                derived.MainSurveyFormName = "用蒸氣量";
            }
            //replace Tag
            foreach (var paragraph in body.Elements<Paragraph>())
            {
                ReplaceText(paragraph, data, derived);
            }

            foreach (var table in body.Elements<Table>())
            {
                foreach (var row in table.Elements<TableRow>())
                {
                    foreach (var cell in row.Elements<TableCell>())
                    {
                        foreach (var paragraph in cell.Elements<Paragraph>())
                        {
                            ReplaceText(paragraph, data, derived);
                        }
                    }
                }
            }

            //generateTable
            var tables = body.Elements<Table>().ToList();

            GenerateTable(data.Table1Data, tables[2]);

            //generate Pie Chart
            var chart = new Chart();
            chart.Height = 720;
            chart.Width = 1024;

            var chartArea = chart.ChartAreas.Add("PercentageOfCarbonEmission");

            var series = chart.Series.Add("PercentageOfCarbonEmission");
            series.ChartType = SeriesChartType.Pie;
            series.IsValueShownAsLabel = true;
            series.Points.Add((double)derived.WorkhourPercent).Label = "總工時 " + derived.WorkhourPercent.ToString("P2");
            series.Points.Add((double)derived.PowerPercent).Label = "用電量 " + derived.PowerPercent.ToString("P2");
            series.Points.Add((double)derived.CarPercent).Label = "車輛 " + derived.CarPercent.ToString("P2");
            series.Points.Add((double)derived.GasolinePercent).Label = "柴油 " + derived.GasolinePercent.ToString("P2");
            series.Points.Add((double)derived.KitchenPercent).Label = "廚房 " + derived.KitchenPercent.ToString("P2");
            series.Points.Add((double)derived.FireEQPercent).Label = "消防設備 " + derived.FireEQPercent.ToString("P2");
            series.Points.Add((double)derived.RefPercent).Label = "冷媒 " + derived.RefPercent.ToString("P2");
            series.Points.Add((double)derived.SteamPercent).Label = "用蒸氣量 " + derived.SteamPercent.ToString("P2");


            var image = wordDocument.MainDocumentPart.ImageParts.ToList().Last();
            var imageMemoryStream = new MemoryStream();
            chart.SaveImage(imageMemoryStream, ChartImageFormat.Png);
            imageMemoryStream.Seek(0, SeekOrigin.Begin);
            image.FeedData(imageMemoryStream);
            //imageMemoryStream = new MemoryStream();
            //chart.SaveImage(imageMemoryStream, ChartImageFormat.Png);

        }

        private void ReplaceText(Paragraph paragraph, OrganizationLCAReportDTO beReplacedText, DerivedProperties derived)
        {
            var text = paragraph.InnerText;
            string decimalFormat = "G5";
            //地雷: CompanyNameTag是 CertificationCompanyNameTag的substring ,  CertificationCompanyNameTag必須先replace
            text = text.Replace("CertificationCompanyNameTag", beReplacedText.CertificationCompanyName);
            text = text.Replace("CompanyNameTag", beReplacedText.CompanyName);
            text = text.Replace("FabNameTag", beReplacedText.FabName);
            text = text.Replace("FabAddressTag", beReplacedText.FabAddress);
            text = text.Replace("DuringInventoryTag", beReplacedText.DuringInventory);

            text = text.Replace("ScopeOneTotalValueTag", beReplacedText.ScopeOneTotalValue.ToString(decimalFormat));
            text = text.Replace("WorkhourSumTag", beReplacedText.WorkhourSum.ToString(decimalFormat));
            text = text.Replace("PowerSumTag", beReplacedText.PowerSum.ToString(decimalFormat));

            text = text.Replace("CarSumTag", beReplacedText.CarSum.ToString(decimalFormat));
            text = text.Replace("GasolineSumTag", beReplacedText.GasolineSum.ToString(decimalFormat));
            text = text.Replace("KitchenSumTag", beReplacedText.KitchenSum.ToString(decimalFormat));
            text = text.Replace("FireEQSumTag", beReplacedText.FireEQSum.ToString(decimalFormat));

            text = text.Replace("RefSumTag", beReplacedText.RefSum.ToString(decimalFormat));
            text = text.Replace("SteamSumTag", beReplacedText.SteamSum.ToString(decimalFormat));


            text = text.Replace("MainSurveyFormNameTag", derived.MainSurveyFormName);
            text = text.Replace("ScopeTwoTotalValueTag", derived.ScopeTwoTotalValue.ToString(decimalFormat));
            text = text.Replace("MainSurveyFormPercentTag", derived.MainSurveyFormPercent.ToString("P2"));
            text = text.Replace("TotalValueTag", derived.TotalValue.ToString(decimalFormat));
            text = text.Replace("WorkhourPercentTag", derived.WorkhourPercent.ToString("P2"));
            text = text.Replace("PowerPercentTag", derived.PowerPercent.ToString("P2"));
            text = text.Replace("CarPercentTag", derived.CarPercent.ToString("P2"));
            text = text.Replace("GasolinePercentTag", derived.GasolinePercent.ToString("P2"));
            text = text.Replace("KitchenPercentTag", derived.KitchenPercent.ToString("P2"));
            text = text.Replace("FireEQPercentTag", derived.FireEQPercent.ToString("P2"));
            text = text.Replace("RefPercentTag", derived.RefPercent.ToString("P2"));
            text = text.Replace("SteamPercentTag", derived.SteamPercent.ToString("P2"));
            text = text.Replace("ScopeOneTotalValuePercentTag", derived.ScopeOneTotalValuePercent.ToString("P2"));


            if (text != paragraph.InnerText)
            {
                var propertity = paragraph.Elements<ParagraphProperties>().First();

                var runProperty = new RunProperties();
                var runFont = new RunFonts();
                runFont.Ascii = "標楷體";
                runFont.EastAsia = "標楷體";

                var fontSize = new FontSize();
                fontSize.Val = new StringValue("28");

                runProperty.Append(runFont);
                runProperty.Append(fontSize);

                paragraph.RemoveAllChildren();

                var newRun = new Run();
                newRun.PrependChild<RunProperties>(runProperty);
                newRun.Append(new Text(text));

                paragraph.PrependChild(propertity);
                paragraph.AppendChild(newRun);
            }
        }
        private void GenerateTable(List<OrganizationLCAReportDTO.table1Row> TableData, Table table)
        {
            var header = table.ToList()[2]; // header
            var template = table.ToList()[3]; // get 1 row for template
            table.RemoveAllChildren<TableRow>();
            table.AppendChild<TableRow>((TableRow)header);
            foreach (var dataRow in TableData)
            {
                var newRow = (TableRow)template.CloneNode(true);
                var textFields = GetTableRowTextField(newRow);
                textFields[0].Text = dataRow.EquipmentName;
                textFields[1].Text = dataRow.RefName;
                textFields[2].Text = dataRow.Value.ToString("G5"); ;
                table.AppendChild<TableRow>(newRow);
            }
        }
        private List<Text> GetTableRowTextField(TableRow targetRow)
        {
            var result = targetRow.Elements<TableCell>()
                                  .SelectMany(x => x.Elements<Paragraph>())
                                  .SelectMany(x => x.Elements<Run>())
                                  .Select(x => x.LastChild)
                                  .Cast<Text>()
                                  .ToList();
            return result;
        }
        private class DerivedProperties
        {
            public decimal TotalValue { get; set; }
            public decimal ScopeTwoTotalValue { get; set; }
            public string MainSurveyFormName { get; set; }
            public decimal MainSurveyFormPercent { get; set; }
            public decimal WorkhourPercent { get; set; }
            public decimal PowerPercent { get; set; }
            public decimal CarPercent { get; set; }
            public decimal GasolinePercent { get; set; }
            public decimal KitchenPercent { get; set; }
            public decimal FireEQPercent { get; set; }
            public decimal RefPercent { get; set; }
            public decimal SteamPercent { get; set; }
            public decimal ScopeOneTotalValuePercent { get; set; }
        }
    }
}