using BLL;
using Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using System.IO;
using System.Linq;

namespace FineUIPro.Web.Accident
{
    public partial class AccidentWarningDataIn : PageBase
    {
        #region 定义变量
        /// <summary>
        /// 上传预设的虚拟路径
        /// </summary>
        private string initPath = Const.ExcelUrl;


        /// <summary>
        /// 错误集合
        /// </summary>
        public static List<Model.ErrorInfo> errorInfos = new List<Model.ErrorInfo>();
        #endregion

        #region 加载
        /// <summary>
        /// 加载页面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                this.hdCheckResult.Text = string.Empty;
                this.hdFileName.Text = string.Empty;
                if (errorInfos != null)
                {
                    errorInfos.Clear();
                }
            }
        }
        #endregion

        #region 审核
        /// <summary>
        /// 审核
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnAudit_Click(object sender, EventArgs e)
        {
            try
            {
                if (this.fuAttachUrl.HasFile == false)
                {
                    ShowNotify("请您选择Excel文件！", MessageBoxIcon.Warning);
                    return;
                }
                string IsXls = Path.GetExtension(this.fuAttachUrl.FileName).ToString().Trim().ToLower();
                if (IsXls != ".xls")
                {
                    ShowNotify("只可以选择Excel文件！", MessageBoxIcon.Warning);
                    return;
                }
                if (errorInfos != null)
                {
                    errorInfos.Clear();
                }
                string rootPath = Server.MapPath("~/");
                string initFullPath = rootPath + initPath;
                if (!Directory.Exists(initFullPath))
                {
                    Directory.CreateDirectory(initFullPath);
                }

                this.hdFileName.Text = BLL.Funs.GetNewFileName() + IsXls;
                string filePath = initFullPath + this.hdFileName.Text;
                this.fuAttachUrl.PostedFile.SaveAs(filePath);
                ImportXlsToData(rootPath + initPath + this.hdFileName.Text);
            }
            catch (Exception ex)
            {
                ShowNotify("'" + ex.Message + "'", MessageBoxIcon.Warning);
            }
        }

        #region 读Excel提取数据
        /// <summary>
        /// 从Excel提取数据--》Dataset
        /// </summary>
        /// <param name="filename">Excel文件路径名</param>
        private void ImportXlsToData(string fileName)
        {
            //支持.xls和.xlsx，即包括office2010等版本的   HDR=Yes代表第一行是标题，不是数据；
            string cmdText = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties=Excel 8.0;";

            //建立连接
            OleDbConnection conn = new OleDbConnection(string.Format(cmdText, fileName));
            try
            {
                //打开连接
                if (conn.State == ConnectionState.Broken || conn.State == ConnectionState.Closed)
                {
                    conn.Open();
                }
                OleDbDataAdapter oleAdMaster = null;
                DataTable m_tableName = new DataTable();
                DataSet ds = new DataSet();
                m_tableName = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);

                if (m_tableName != null && m_tableName.Rows.Count > 0)
                {

                    m_tableName.TableName = m_tableName.Rows[0]["TABLE_NAME"].ToString().Trim();

                }
                string sqlMaster;
                sqlMaster = " SELECT *  FROM [" + m_tableName.TableName + "]";
                oleAdMaster = new OleDbDataAdapter(sqlMaster, conn);
                oleAdMaster.Fill(ds, "m_tableName");
                oleAdMaster.Dispose();
                conn.Close();
                conn.Dispose();

                AddDatasetToSQL(ds.Tables[0], 6);
                hdCheckResult.Text = "1";
            }
            catch (Exception exc)
            {
                Response.Write(exc);
                //return null;
                // return dt;
            }
            finally
            {
                conn.Close();
                conn.Dispose();
            }
        }
        #endregion

        #region 将Dataset的数据导入数据库
        /// <summary>
        /// 将Dataset的数据导入数据库
        /// </summary>
        /// <param name="pds">数据集</param>
        /// <param name="Cols">数据集行数</param>
        /// <returns></returns>
        private bool AddDatasetToSQL(DataTable pds, int Cols)
        {
            string result = string.Empty;
            int ic, ir;
            ic = pds.Columns.Count;
            if (ic < Cols)
            {
                ShowNotify("导入Excel格式错误！Excel只有" + ic.ToString().Trim() + "列", MessageBoxIcon.Warning);
                return false;
            }

            ir = pds.Rows.Count;
            if (pds != null && ir > 0)
            {
                errorInfos.Clear();
                var oldViewInfos = from x in Funs.DB.Accident_Warning
                                   select x;

                for (int i = 0; i < ir; i++)
                {
                    string row0 = pds.Rows[i][0].ToString();
                    if (string.IsNullOrEmpty(row0))
                    {
                        errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "事故标题", Reason = "此项为必填项！" });
                    }
                    string row1 = pds.Rows[i][1].ToString();
                    if (string.IsNullOrEmpty(row1))
                    {
                        errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "事故地点", Reason = "此项为必填项！" });
                    }
                    string row2 = pds.Rows[i][2].ToString();
                    if (!string.IsNullOrEmpty(row2))
                    {
                        try
                        {
                            DateTime date = Convert.ToDateTime(row2.Trim());
                        }
                        catch (Exception)
                        {
                            errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "事故日期", Reason = $"[{row2}]错误！" });
                        }
                    }
                    else
                    {
                        errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "事故日期", Reason = "此项为必填项！" });
                    }
                    if (!string.IsNullOrWhiteSpace(row0) && !string.IsNullOrWhiteSpace(row1) && !string.IsNullOrWhiteSpace(row2))
                    {
                        var acc = oldViewInfos.Where(x => x.Title == row0 && x.Address == row1 && x.AccidentDate == Convert.ToDateTime(row2.Trim()));
                        if (acc.Any())
                        {
                            errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "事故标题", Reason = "此项事故已存在！" });
                        }
                    }
                }

                if (errorInfos.Count > 0)
                {
                    this.gvErrorInfo.DataSource = errorInfos;
                    this.gvErrorInfo.DataBind();
                }
                else
                {
                    ShowNotify("审核完成,请点击导入！", MessageBoxIcon.Success);
                }
            }
            else
            {
                ShowNotify("导入数据为空！", MessageBoxIcon.Warning);
            }
            return true;
        }
        #endregion
        #endregion

        #region 导入
        /// <summary>
        /// 导入
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnImport_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(hdCheckResult.Text))
            {
                if (errorInfos.Count <= 0)
                {
                    string rootPath = Server.MapPath("~/");
                    ImportXlsToData2(rootPath + initPath + this.hdFileName.Text);
                    hdCheckResult.Text = string.Empty;
                }
                else
                {
                    ShowNotify("请先将错误数据修正，再重新导入提交！", MessageBoxIcon.Warning);
                }
            }
            else
            {
                ShowNotify("请先审核要导入的文件！", MessageBoxIcon.Warning);
            }
        }

        #region Excel提取数据
        /// <summary>
        /// 从Excel提取数据--》Dataset
        /// </summary>
        /// <param name="filename">Excel文件路径名</param>
        private void ImportXlsToData2(string fileName)
        {
            //支持.xls和.xlsx，即包括office2010等版本的   HDR=Yes代表第一行是标题，不是数据；
            string cmdText = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties=Excel 8.0;";
            //建立连接
            OleDbConnection conn = new OleDbConnection(string.Format(cmdText, fileName));
            try
            {
                //打开连接
                if (conn.State == ConnectionState.Broken || conn.State == ConnectionState.Closed)
                {
                    conn.Open();
                }
                OleDbDataAdapter oleAdMaster = null;
                DataTable m_tableName = new DataTable();
                DataSet ds = new DataSet();
                m_tableName = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);

                if (m_tableName != null && m_tableName.Rows.Count > 0)
                {

                    m_tableName.TableName = m_tableName.Rows[0]["TABLE_NAME"].ToString().Trim();

                }
                string sqlMaster;
                sqlMaster = " SELECT *  FROM [" + m_tableName.TableName + "]";
                oleAdMaster = new OleDbDataAdapter(sqlMaster, conn);
                oleAdMaster.Fill(ds, "m_tableName");
                oleAdMaster.Dispose();
                conn.Close();
                conn.Dispose();

                AddDatasetToSQL2(ds.Tables[0], 6);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 将Dataset的数据导入数据库
        /// <summary>
        /// 将Dataset的数据导入数据库
        /// </summary>
        /// <param name="pds">数据集</param>
        /// <param name="Cols">数据集列数</param>
        /// <returns></returns>
        private bool AddDatasetToSQL2(DataTable pds, int Cols)
        {
            int ic, ir;
            ic = pds.Columns.Count;
            if (ic < Cols)
            {
                ShowNotify("导入Excel格式错误！Excel只有" + ic.ToString().Trim() + "列", MessageBoxIcon.Warning);
            }
            string result = string.Empty;
            ir = pds.Rows.Count;
            if (pds != null && ir > 0)
            {
                for (int i = 0; i < ir; i++)
                {
                    Model.Accident_Warning model = new Model.Accident_Warning();
                    model.Id = SQLHelper.GetNewID(typeof(Model.Accident_Warning));
                    model.Code = BLL.SQLHelper.RunProcNewId("SpGetNewCode5", "Accident_Warning", "Code", $"SG-");
                    model.Title = pds.Rows[i][0].ToString().Trim();
                    model.Address = pds.Rows[i][1].ToString().Trim();
                    DateTime accDate = Convert.ToDateTime(pds.Rows[i][2].ToString().Trim());
                    model.AccidentDate = accDate;
                    model.AccidentMonthDay = accDate.ToString("MM-dd");
                    model.ResponsibleUnit = pds.Rows[i][3].ToString().Trim();
                    model.Content = pds.Rows[i][4].ToString().Trim();
                    model.Remarks = pds.Rows[i][5].ToString().Trim();
                    model.CompileMan = this.CurrUser.UserId;
                    model.CompileManName = this.CurrUser.UserName;
                    model.CreateTime = DateTime.Now;
                    BLL.AccidentWarningService.AddAccidentWarning(model);
                }
            }
            else
            {
                ShowNotify("导入数据为空！", MessageBoxIcon.Warning);
                return false;
            }
            ShowNotify("导入完成！", MessageBoxIcon.Success);
            PageContext.RegisterStartupScript(ActiveWindow.GetHidePostBackReference());
            return true;
        }
        #endregion
        #endregion


        #region 下载模板
        /// <summary>
        /// 下载模板按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnDownLoad_Click(object sender, EventArgs e)
        {
            PageContext.RegisterStartupScript(Confirm.GetShowReference("确定下载导入模板吗？", String.Empty, MessageBoxIcon.Question, PageManager1.GetCustomEventReference(false, "Confirm_OK"), PageManager1.GetCustomEventReference("Confirm_Cancel")));
        }

        /// <summary>
        /// 下载导入模板
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void PageManager1_CustomEvent(object sender, CustomEventArgs e)
        {
            if (e.EventArgument == "Confirm_OK")
            {
                string rootPath = Server.MapPath("~/");
                string uploadfilepath = rootPath + Const.AccidentWarningDataInUrl;
                string filePath = Const.AccidentWarningDataInUrl;
                string fileName = Path.GetFileName(filePath);
                FileInfo info = new FileInfo(uploadfilepath);
                long fileSize = info.Length;
                Response.ClearContent();
                Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
                Response.ContentType = "excel/plain";
                Response.ContentEncoding = System.Text.Encoding.UTF8;
                Response.AddHeader("Content-Length", fileSize.ToString().Trim());
                Response.TransmitFile(uploadfilepath, 0, fileSize);
                Response.End();
            }
        }
        #endregion
    }
}