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

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

        /// <summary>
        /// 导入集合
        /// </summary>
        public static List<Model.Training_TestTraining> viewTrainingItems = new List<Model.Training_TestTraining>();

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

        #endregion

        #region 加载页面
        /// <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.hdFileName.Text = string.Empty;
                this.hdCheckResult.Text = string.Empty;
                if (viewTrainingItems != null)
                {
                    viewTrainingItems.Clear();
                }
                if (errorInfos != null)
                {
                    errorInfos.Clear();
                }
            }
        }
        #endregion

        #region 数据导入
        /// <summary>
        /// 数据导入
        /// </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 (viewTrainingItems != null)
                {
                    viewTrainingItems.Clear();
                }
                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)
        {
            try
            {
                viewTrainingItems.Clear();
                string oleDBConnString = String.Empty;
                oleDBConnString = "Provider=Microsoft.Jet.OLEDB.4.0;";
                oleDBConnString += "Data Source=";
                oleDBConnString += fileName;
                oleDBConnString += ";Extended Properties=Excel 8.0;";
                OleDbConnection oleDBConn = null;
                OleDbDataAdapter oleAdMaster = null;
                DataTable m_tableName = new DataTable();
                DataSet ds = new DataSet();

                oleDBConn = new OleDbConnection(oleDBConnString);
                oleDBConn.Open();
                m_tableName = oleDBConn.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, oleDBConn);
                oleAdMaster.Fill(ds, "m_tableName");
                oleAdMaster.Dispose();
                oleDBConn.Close();
                oleDBConn.Dispose();

                AddDatasetToSQL(ds.Tables[0]);
            }
            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">数据集行数</param>
        /// <returns></returns>
        private bool AddDatasetToSQL(DataTable pds)
        {
            string result = string.Empty;
            int ic, ir;
            ic = pds.Columns.Count;
            ir = pds.Rows.Count;
            if (pds != null && ir > 0)
            {
                ///现有试题类型
                var trainings = from x in Funs.DB.Training_TestTraining select x;

                for (int i = 0; i < ir; i++)
                {
                    Model.Training_TestTraining newViewTrainingItem = new Model.Training_TestTraining();
                    newViewTrainingItem.TrainingId = SQLHelper.GetNewID(typeof(Model.Training_TestTraining));

                    string col1 = pds.Rows[i][0].ToString().Trim();//试题类型编号
                    string col2 = pds.Rows[i][1].ToString().Trim();//试题类型
                    string col3 = pds.Rows[i][2].ToString().Trim();//试题类型上级
                    string col4 = pds.Rows[i][3].ToString().Trim();//是否末级

                    bool isEndLever = col4 == "是";
                    newViewTrainingItem.IsEndLever = isEndLever;
                    if (!string.IsNullOrEmpty(col3) && col3 != "考试试题库")
                    {
                        var standard = trainings.FirstOrDefault(x => x.TrainingName == col3 && x.IsEndLever == false);
                        if (standard != null)
                        {
                            newViewTrainingItem.SupTrainingId = standard.TrainingId;
                        }
                        else
                        {
                            errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "上级", Reason = $"上级[{col3}]不存在！" });
                        }
                    }
                    else
                    {
                        newViewTrainingItem.SupTrainingId = "0";
                    }
                    if (!string.IsNullOrEmpty(col2))
                    {
                        var standard = trainings.FirstOrDefault(x => x.TrainingName == col2 && x.IsEndLever == isEndLever && x.SupTrainingId == newViewTrainingItem.SupTrainingId);
                        if (standard != null)
                        {
                            errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "试题类型", Reason = $"试题类型[{col2}]已存在！" });
                        }
                        else
                        {
                            newViewTrainingItem.TrainingName = col2;
                        }
                    }
                    else
                    {
                        errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "试题类型", Reason = "此项为必填项！" });
                    }


                    if (!string.IsNullOrEmpty(col1))
                    {
                        var train = trainings.FirstOrDefault(x => x.TrainingCode == col1 && x.SupTrainingId == newViewTrainingItem.SupTrainingId);
                        if (train != null)
                        {
                            errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "类型编号", Reason = $"类型编号[{col1}]已存在！" });
                        }
                        else
                        {
                            newViewTrainingItem.TrainingCode = col1;
                        }
                    }
                    else
                    {
                        errorInfos.Add(new ErrorInfo { Row = (i + 2).ToString(), Column = "类型编号", Reason = "此项为必填项！" });
                    }

                    ///加入培训试题库
                    viewTrainingItems.Add(newViewTrainingItem);


                }
                if (errorInfos.Any())
                {
                    viewTrainingItems.Clear();
                    this.gvErrorInfo.DataSource = errorInfos;
                    this.gvErrorInfo.DataBind();
                }
                else
                {
                    errorInfos.Clear();
                    if (!viewTrainingItems.Any())
                    {
                        Alert.ShowInTop("导入数据为空！", MessageBoxIcon.Warning);
                    }
                    else
                    {
                        ShowNotify("审核完成,请点击导入！", MessageBoxIcon.Success);
                    }
                }
            }
            else
            {
                Alert.ShowInTop("导入数据为空！", MessageBoxIcon.Warning);
            }
            return true;
        }
        #endregion
        #endregion
        #region 保存
        /// <summary>
        /// 保存
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnSave_Click(object sender, EventArgs e)
        {
            if (!errorInfos.Any())
            {
                int a = viewTrainingItems.Count();
                int insertCount = 0;
                int updateCount = 0;
                for (int i = 0; i < a; i++)
                {
                    Model.Training_TestTraining newModel = new Model.Training_TestTraining
                    {
                        SupTrainingId = viewTrainingItems[i].SupTrainingId,
                        TrainingId = viewTrainingItems[i].TrainingId,
                        TrainingCode = viewTrainingItems[i].TrainingCode,
                        IsEndLever = viewTrainingItems[i].IsEndLever,
                        TrainingName = viewTrainingItems[i].TrainingName,
                        TrainingEngName = viewTrainingItems[i].TrainingEngName,
                        TrainTypeId = viewTrainingItems[i].TrainTypeId,
                    };
                    BLL.TestTrainingService.AddTestTraining(newModel);
                }
                string rootPath = Server.MapPath("~/");
                string initFullPath = rootPath + initPath;
                string filePath = initFullPath + this.hdFileName.Text;
                if (filePath != string.Empty && File.Exists(filePath))
                {
                    File.Delete(filePath);//删除上传的XLS文件
                }
                ShowNotify("导入完成！", MessageBoxIcon.Success);
                PageContext.RegisterStartupScript(ActiveWindow.GetHidePostBackReference());
            }
            else
            {
                Alert.ShowInTop("请先将错误数据修正，再重新导入保存！", MessageBoxIcon.Warning);
            }
        }
        #endregion  

        #region 关闭弹出窗口
        /// <summary>
        /// 关闭导入弹出窗口
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Window1_Close(object sender, WindowCloseEventArgs e)
        {
            if (Session["trainingItem"] != null)
            {
                viewTrainingItems = Session["trainingItem"] as List<Model.Training_TestTraining>;
            }
            if (viewTrainingItems.Count > 0)
            {
                this.gvErrorInfo.Hidden = false;
                this.gvErrorInfo.DataSource = viewTrainingItems;
                this.gvErrorInfo.DataBind();
            }
        }

        #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 filePath = Const.TestTrainingTypeTemplateUrl;
                string uploadfilepath = rootPath + filePath;
                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
    }
}