using ESRI.ArcGIS.Geodatabase;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace KGIS.Plugin.LayerProperty2.Utils
{
    public class ExportExcel
    {
        public static string ExportData(List<DataColumnEx> lstDataColumnEx, DataTable dtData)
        {
            System.Text.StringBuilder strBuilder = new System.Text.StringBuilder();
            if (lstDataColumnEx != null && lstDataColumnEx.Count > 0)
            {
                List<string> headers = new List<string>();
                lstDataColumnEx.ForEach(col =>
                {
                    headers.Add(FormatCSVField(col.ChineseName));
                });
                string headerStr = String.Join("", headers.ToArray());
                headerStr = headerStr.TrimStart('\t');
                strBuilder
                .Append(headerStr)
                .Append("\t\n");

                foreach (DataRow dr in dtData.Rows)
                {
                    List<string> csvRow = new List<string>();
                    foreach (DataColumnEx col in lstDataColumnEx)
                    {
                        csvRow.Add(FormatCSVField(dr[col.ColumnName].ToTrim()));
                    }
                    string fieldStr = String.Join("", csvRow.ToArray());
                    fieldStr = fieldStr.TrimStart('\t');
                    strBuilder
                        .Append(fieldStr)
                        .Append("\t\n");
                }
            }
            return strBuilder.ToString();
        }

        public static string ExportData(List<DataColumnEx> lstDataColumnEx)
        {
            System.Text.StringBuilder strBuilder = new System.Text.StringBuilder();
            if (lstDataColumnEx != null && lstDataColumnEx.Count > 0)
            {
                List<string> headers = new List<string>();
                lstDataColumnEx.ForEach(col =>
                {
                    headers.Add(FormatCSVField(col.ChineseName));
                });
                string headerStr = String.Join("", headers.ToArray());
                //headerStr = headerStr.TrimStart('\t');
                strBuilder
                .Append(headerStr)
                .Append("\t\n");
            }
            return strBuilder.ToString();
        }

        public static string ExportData(DataTable dtData)
        {
            System.Text.StringBuilder strBuilder = new System.Text.StringBuilder();
            if (dtData != null && dtData.Rows.Count > 0)
            {
                List<string> headers = new List<string>();
                foreach (CustomColumn item in dtData.Columns)
                {
                    headers.Add(FormatCSVField(item.Caption));
                }
                string headerStr = String.Join("", headers.ToArray());
                headerStr = headerStr.TrimStart('\t');
                strBuilder
                .Append(headerStr)
                .Append("\t\n");

                foreach (DataRow dr in dtData.Rows)
                {
                    List<string> csvRow = new List<string>();
                    foreach (CustomColumn item in dtData.Columns)
                    {
                        if (item.DicData != null && !string.IsNullOrEmpty(dr[item.ColumnName] as string))
                        {
                            csvRow.Add(FormatCSVField(GetDicValue(dr[item.ColumnName].ToString(), item.DicData)));
                        }
                        else
                        {
                            csvRow.Add(FormatCSVField(dr[item.ColumnName].ToTrim()));
                        }
                    }
                    string fieldStr = String.Join("", csvRow.ToArray());
                    fieldStr = fieldStr.TrimStart('\t');
                    strBuilder
                        .Append(fieldStr)
                        .Append("\t\n");
                }
            }
            return strBuilder.ToString();
        }

        private static string GetDicValue(string value, List<ComboxData> lstData)
        {
            string returnValue = string.Empty;
            string[] valueArr = value.Split(',');
            foreach (string subValue in valueArr)
            {
                ComboxData comboxData = lstData.SingleOrDefault(d => d.Value == subValue);
                if (comboxData != null)
                {
                    returnValue += comboxData.Text + ",";
                }
                else
                {
                    returnValue += subValue + ",";
                }
            }
            if (!string.IsNullOrEmpty(returnValue))
            {
                returnValue = returnValue.TrimEnd(',');
            }
            return returnValue;
        }

        //public static string ToTrim(this object text)
        //{
        //    if (text == null)
        //        return "";
        //    else return text.ToString().Trim();
        //}

        private static string FormatCSVField(string data)
        {
            return String.Format("\t{0}", data.Replace("\"", "\t\n"));
        }

        public static void CreateAndAddTitle(string filePath, string sheetName, List<DataColumnEx> lstDataColumnEx, DataTable dtData)
        {
            Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();
            Microsoft.Office.Interop.Excel.Workbook workbook = excel.Workbooks.Add(true);
            Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1];
            worksheet.Name = sheetName;
            int colIndex = 0;
            foreach (DataColumnEx col in lstDataColumnEx)
            {
                colIndex++;
                worksheet.Cells[1, colIndex] = col.ChineseName;
            }
            SetFormat(worksheet, lstDataColumnEx, 2, dtData.Rows.Count);
            AddRangeData(worksheet, dtData, 2);
            Marshal.ReleaseComObject(worksheet);
            excel.DisplayAlerts = false;
            workbook.SaveCopyAs(filePath);
            workbook.Close(false, null, null);
            Marshal.ReleaseComObject(workbook);
            excel.Workbooks.Close();
            workbook = null;
        }



        private static void SetFormat(Microsoft.Office.Interop.Excel.Worksheet worksheet, List<DataColumnEx> lstDataColumnEx, int startRow, int rowNumber)
        {
            int colIndex = 0;
            foreach (DataColumnEx col in lstDataColumnEx)
            {
                colIndex++;
                if (col.Type == ESRI.ArcGIS.Geodatabase.esriFieldType.esriFieldTypeString)
                {
                    Microsoft.Office.Interop.Excel.Range range = worksheet.get_Range(worksheet.Cells[startRow, colIndex], worksheet.Cells[rowNumber + startRow - 1, colIndex]);
                    range.NumberFormatLocal = "@";
                }
            }
        }

        public static void AddRangeData(Microsoft.Office.Interop.Excel.Worksheet worksheet, DataTable dtData, int startRow, bool isAddBK = false)
        {
            int rowNumber = dtData.Rows.Count;
            int columnNumber = dtData.Columns.Count;
            object[,] objData = new object[rowNumber, columnNumber];
            for (int r = 0; r < rowNumber; r++)
            {
                for (int c = 0; c < columnNumber; c++)
                {
                    objData[r, c] = dtData.Rows[r][c];
                }
            }
            Microsoft.Office.Interop.Excel.Range range = worksheet.get_Range(worksheet.Cells[startRow, 1], worksheet.Cells[rowNumber + startRow - 1, columnNumber]);
            if (isAddBK)
            {
                range.Borders.LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;
                //for (int i = startRow; i < rowNumber + startRow; i++)
                //{
                //    for (int j = 1; j < columnNumber + 1; j++)
                //    {
                //        ((Microsoft.Office.Interop.Excel.Range)worksheet.Cells[i, j]).Borders.get_Item(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeLeft).LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;
                //        ((Microsoft.Office.Interop.Excel.Range)worksheet.Cells[i, j]).Borders.get_Item(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeRight).LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;
                //        ((Microsoft.Office.Interop.Excel.Range)worksheet.Cells[i, j]).Borders.get_Item(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeBottom).LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;
                //    }
                //}
            }
            range.Value2 = objData;
        }

        public static void CopfFileAndAddData(string filePath, string fileName, DataTable dtZD, DataTable dtQL, DataTable dtQLR)
        {
            string sourcePath = System.IO.Path.Combine(System.Windows.Forms.Application.StartupPath, "宗地整理模版", fileName);
            string destPath = System.IO.Path.Combine(filePath, fileName);
            System.IO.File.Copy(sourcePath, destPath, true);

            Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();
            Microsoft.Office.Interop.Excel.Workbook workbook = excel.Workbooks.Add(destPath);

            Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1];
            AddRangeData(worksheet, dtZD, 3, true);
            Marshal.ReleaseComObject(worksheet);
            if (dtQL != null && dtQL.Rows.Count > 0)
            {
                worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[2];
                AddRangeData(worksheet, dtQL, 3, true);
                Marshal.ReleaseComObject(worksheet);
            }
            if (dtQLR != null && dtQLR.Rows.Count > 0)
            {
                worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[3];
                AddRangeData(worksheet, dtQLR, 3, true);
                Marshal.ReleaseComObject(worksheet);
            }
            excel.DisplayAlerts = false;
            workbook.SaveAs(destPath);
            workbook.Close(false, null, null);
            Marshal.ReleaseComObject(workbook);
            excel.Workbooks.Close();
            workbook = null;
        }

        public static bool DataTableToExcel(DataTable dt, string filePath)
        {
            Microsoft.Office.Interop.Excel.Application app = new Microsoft.Office.Interop.Excel.Application();
            if (app == null)
            {
                throw new Exception("Excel无法启动");
            }
            //app.Visible = true;
            //Microsoft.Office.Interop.Excel.Workbooks wbs = app.Workbooks;
            Microsoft.Office.Interop.Excel.Workbook wb = app.Workbooks.Add(true);
            Microsoft.Office.Interop.Excel.Worksheet ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets[1];

            int cnt = dt.Rows.Count;
            int columncnt = dt.Columns.Count;

            // *****************获取数据********************
            object[,] objData = new System.Object[cnt + 1, columncnt];  // 创建缓存数据
            // 获取列标题
            for (int i = 0; i < columncnt; i++)
            {
                objData[0, i] = dt.Columns[i].ColumnName;
            }
            // 获取具体数据
            for (int i = 0; i < cnt; i++)
            {
                System.Data.DataRow dr = dt.Rows[i];
                for (int j = 0; j < columncnt; j++)
                {
                    objData[i + 1, j] = dr[j];
                }
            }

            //********************* 写入Excel******************
            Microsoft.Office.Interop.Excel.Range r = ws.get_Range(app.Cells[1, 1], app.Cells[cnt + 1, columncnt]);
            r.NumberFormat = "@";
            //r = r.get_Resize(cnt+1, columncnt);
            r.Value2 = objData;
            r.EntireColumn.AutoFit();
            //string path = GetAssemblyPath();
            //path = path + "日志";
            //if (!System.IO.Directory.Exists(path))
            //{
            //    System.IO.Directory.CreateDirectory(path);
            //}
            //path = path + "\\批量生成不动产单元编号Log";
            //if (!System.IO.Directory.Exists(path))
            //{
            //    System.IO.Directory.CreateDirectory(path);
            //}
            wb.SaveCopyAs(filePath);//path + "\\" + DateTime.Now.ToString("yyyy-MM-dd--hh-mm-ss") + ".xlsx"
            app = null;
            return true;
        }
        /// <summary>
        /// 获取Assembly的运行路径 \\结束
        /// </summary>
        /// <returns></returns>
        public static string GetAssemblyPath()
        {
            string sCodeBase = System.Reflection.Assembly.GetExecutingAssembly().CodeBase;
            sCodeBase = sCodeBase.Substring(8, sCodeBase.Length - 8);    // 8是 file:// 的长度
            string[] arrSection = sCodeBase.Split(new char[] { '/' });
            string sDirPath = "";
            for (int i = 0; i < arrSection.Length - 1; i++)
            {
                sDirPath += arrSection[i] + System.IO.Path.DirectorySeparatorChar;
            }
            return sDirPath;
        }
    }
}