using BLL;
using NPOI.POIFS.Properties;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Linq;

namespace FineUIPro.Web.HSSE.EduTrain
{
    public partial class TestTraining : PageBase
    {
        /// <summary>
        /// 加载页面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                Funs.DropDownPageSize(this.ddlPageSize);
                this.GetButtonPower();
                this.InitTreeMenu();
            }
        }

        /// <summary>
        /// 初始化树
        /// </summary>
        private void InitTreeMenu()
        {
            tvTestTraining.Nodes.Clear();
            tvTestTraining.ShowBorder = false;
            tvTestTraining.ShowHeader = false;
            tvTestTraining.EnableIcons = true;
            tvTestTraining.AutoScroll = true;
            tvTestTraining.EnableSingleClickExpand = true;
            TreeNode rootNode = new TreeNode
            {
                Text = "考试试题库",
                NodeID = "0",
                Expanded = true
            };
            this.tvTestTraining.Nodes.Add(rootNode);
            BoundTree(rootNode.Nodes, rootNode.NodeID);
        }

        private void BoundTree(TreeNodeCollection nodes, string parentId)
        {
            var dt = GetNewTraining(parentId);
            if (dt.Count() > 0)
            {
                TreeNode tn = null;
                foreach (var dr in dt)
                {
                    string name = dr.TrainingName;
                    if (!string.IsNullOrEmpty(dr.TrainingCode))
                    {
                        name = "[" + dr.TrainingCode + "]" + dr.TrainingName;
                    }
                    tn = new TreeNode
                    {

                        Text = name,
                        NodeID = dr.TrainingId,
                        EnableClickEvent = true,
                        ToolTip = dr.TrainingName
                    };
                    nodes.Add(tn);
                    ///是否存在下级节点
                    var sup = Funs.DB.Training_TestTraining.FirstOrDefault(x => x.SupTrainingId == tn.NodeID);
                    if (sup != null)
                    {
                        BoundTree(tn.Nodes, tn.NodeID);
                    }
                }
            }
        }

        /// <summary>
        /// 得到培训类型
        /// </summary>
        /// <param name="parentId"></param>
        /// <returns></returns>
        private List<Model.Training_TestTraining> GetNewTraining(string parentId)
        {
            return (from x in Funs.DB.Training_TestTraining
                    where x.SupTrainingId == parentId
                    orderby x.TrainingCode
                    select x).ToList();
        }

        //protected void btnNew_Click(object sender, EventArgs e)
        //{
        //    PageContext.RegisterStartupScript(Window1.GetShowReference(String.Format("TrainingSave.aspx", "编辑 - ")));
        //}


        protected void btnMenuADD_Click(object sender, EventArgs e)
        {
            if (this.tvTestTraining.SelectedNode != null)
            {
                PageContext.RegisterStartupScript(Window1.GetShowReference(String.Format("TestTrainingSave.aspx?SupTrainingId={0}", this.tvTestTraining.SelectedNode.NodeID, "新增 - ")));
            }
            else
            {
                ShowNotify("请选择树节点！", MessageBoxIcon.Warning);
            }
        }

        protected void btnTreeMenuEdit_Click(object sender, EventArgs e)
        {
            if (this.tvTestTraining.SelectedNode != null)
            {
                if (this.tvTestTraining.SelectedNode.NodeID != "0")   //非根节点可以编辑
                {
                    PageContext.RegisterStartupScript(Window1.GetShowReference(String.Format("TestTrainingSave.aspx?TrainingId={0}", this.tvTestTraining.SelectedNode.NodeID, "编辑 - ")));
                }
                else
                {
                    ShowNotify("根节点无法编辑！", MessageBoxIcon.Warning);
                }
            }
            else
            {
                ShowNotify("请选择树节点！", MessageBoxIcon.Warning);
            }
        }

        protected void btnTreeMenuDelete_Click(object sender, EventArgs e)
        {
            if (this.tvTestTraining.SelectedNode != null && this.tvTestTraining.SelectedNodeID != "0")
            {
                var edu = Funs.DB.Training_TestTraining.FirstOrDefault(x => x.SupTrainingId == this.tvTestTraining.SelectedNode.NodeID);
                if (edu == null)
                {
                    BLL.TestTrainingService.DeleteTestTrainingById(this.tvTestTraining.SelectedNode.NodeID);
                    InitTreeMenu();
                    Grid1.DataSource = null;
                    Grid1.DataBind();
                }
                else
                {
                    ShowNotify("存在子目录，不能删除！", MessageBoxIcon.Warning);
                }
            }
            else
            {
                ShowNotify("请选择删除项！", MessageBoxIcon.Warning);
            }
        }

        protected void tvTestTraining_NodeCommand(object sender, FineUIPro.TreeCommandEventArgs e)
        {
            BindGrid();
        }

        #region BindGrid

        private void BindGrid()
        {
            if (this.tvTestTraining.SelectedNode != null && !string.IsNullOrEmpty(this.tvTestTraining.SelectedNode.NodeID))
            {
                string trainingId = this.tvTestTraining.SelectedNode.NodeID;
                DataTable tb = BindData(trainingId);
                Grid1.RecordCount = tb.Rows.Count;
                var table = this.GetPagedDataTable(Grid1, tb);
                Grid1.DataSource = table;
                Grid1.DataBind();
            }
        }

        /// <summary>
        /// 数据加载
        /// </summary>
        /// <param name="trainingId"></param>
        /// <returns></returns>
        public DataTable BindData(string trainingId)
        {
            string strSql = @"SELECT TrainingItemId,TrainingId,TrainingItemCode,TrainingItemName,Abstracts,AttachUrl,VersionNum,TestType "
                            + @" ,(CASE WHEN TestType = '1' THEN '单选题' WHEN TestType = '2' THEN '多选题' ELSE '判断题' END) AS TestTypeName "
                            + @" ,(CASE WHEN WorkPostNames IS NULL THEN '通用' ELSE WorkPostNames END) AS WorkPostNames,AItem,BItem,CItem,DItem,EItem,AnswerItems "
                            + @" FROM dbo.Training_TestTrainingItem"
                            + @" WHERE TrainingId=@TrainingId ";
            List<SqlParameter> listStr = new List<SqlParameter>
                {
                    new SqlParameter("@TrainingId", trainingId)
                };
            if (!string.IsNullOrEmpty(this.txtName.Text.Trim()))
            {
                strSql += " AND (TrainingItemCode LIKE @Name OR TrainingItemName LIKE @Name OR Abstracts LIKE @Name OR WorkPostNames LIKE @Name)";
                listStr.Add(new SqlParameter("@Name", "%" + this.txtName.Text.Trim() + "%"));
            }
            if (this.drptype.SelectedValue != "0")
            {
                strSql += " AND TestType=@TestType";
                listStr.Add(new SqlParameter("@TestType", this.drptype.SelectedValue));
            }
            if (this.ckIsItem.Checked)
            {
                strSql += " AND (AItem IS NULL OR BItem IS NULL OR AItem ='' OR BItem ='')";
            }

            SqlParameter[] parameter = listStr.ToArray();
            DataTable tb = SQLHelper.GetDataTableRunText(strSql, parameter);
            return tb;
        }
        #endregion

        #region Events
        protected void Window1_Close(object sender, EventArgs e)
        {
            this.InitTreeMenu();
        }

        protected void Window2_Close(object sender, EventArgs e)
        {
            this.BindGrid();
        }
        protected void Window3_Close(object sender, EventArgs e)
        {
            this.InitTreeMenu();
            this.BindGrid();
        }

        /// <summary>
        /// 右键删除事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnMenuDelete_Click(object sender, EventArgs e)
        {
            this.DeleteData();
        }

        /// <summary>
        /// 删除方法
        /// </summary>
        private void DeleteData()
        {
            if (Grid1.SelectedRowIndexArray.Length > 0)
            {
                foreach (int rowIndex in Grid1.SelectedRowIndexArray)
                {
                    string rowID = Grid1.DataKeys[rowIndex][0].ToString();
                    var getD = BLL.TestTrainingItemService.GetTestTrainingItemById(rowID);
                    if (getD != null)
                    {
                        BLL.LogService.AddSys_Log(this.CurrUser, getD.TrainingItemCode, getD.TrainingItemId, BLL.Const.TestTrainingMenuId, BLL.Const.BtnDelete);
                        BLL.TestTrainingItemService.DeleteTestTrainingItemById(rowID);
                    }
                }

                BindGrid();
                ShowNotify("删除数据成功!");
            }
        }
        #endregion

        #region GV排序页面
        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            Grid1.PageIndex = e.NewPageIndex;
            BindGrid();
        }

        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            BindGrid();
        }

        protected void Grid1_Sort(object sender, FineUIPro.GridSortEventArgs e)
        {
            Grid1.SortDirection = e.SortDirection;
            Grid1.SortField = e.SortField;

            BindGrid();
        }
        #endregion

        /// <summary>
        /// 编辑试题
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_RowDoubleClick(object sender, GridRowClickEventArgs e)
        {
            this.EditData();
        }

        /// <summary>
        /// 右键编辑事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnMenuEdit_Click(object sender, EventArgs e)
        {
            this.EditData();
        }

        /// <summary>
        /// 编辑数据方法
        /// </summary>
        private void EditData()
        {
            if (Grid1.SelectedRowIndexArray.Length == 0)
            {
                Alert.ShowInTop("请至少选择一条记录！", MessageBoxIcon.Warning);
                return;
            }

            string trainingItemId = Grid1.SelectedRowID;

            PageContext.RegisterStartupScript(Window2.GetShowReference(String.Format("TestTrainingItemSave.aspx?TrainingItemId={0}", trainingItemId, "编辑 - ")));
        }

        /// <summary>
        ///  增加
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnNewDetail_Click(object sender, EventArgs e)
        {
            if (this.tvTestTraining.SelectedNode != null)
            {
                string id = this.tvTestTraining.SelectedNodeID;
                var testTrain = BLL.TestTrainingService.GetTestTrainingById(id);
                if (testTrain != null && testTrain.IsEndLever == true)
                {
                    PageContext.RegisterStartupScript(Window2.GetShowReference(String.Format("TestTrainingItemSave.aspx?TrainingId={0}", this.tvTestTraining.SelectedNode.NodeID, "编辑 - ")));
                }
                else
                {
                    ShowNotify("请选择末级树节点！", MessageBoxIcon.Warning);
                }
            }
            else
            {
                ShowNotify("请选择树节点！", MessageBoxIcon.Warning);
            }
        }

        #region 按钮权限
        /// <summary>
        /// 获取按钮权限
        /// </summary>
        /// <param name="button"></param>
        /// <returns></returns>
        private void GetButtonPower()
        {
            var buttonList = BLL.CommonService.GetAllButtonList(this.CurrUser.LoginProjectId, this.CurrUser.UserId, BLL.Const.TestTrainingMenuId);
            if (buttonList.Count() > 0)
            {
                if (buttonList.Contains(BLL.Const.BtnAdd))
                {
                    this.btnMenuADD.Hidden = false;
                    this.btnImport.Hidden = false;
                    this.btnNewDetail.Hidden = false;
                }
                if (buttonList.Contains(BLL.Const.BtnModify))
                {
                    this.btnTreeMenuEdit.Hidden = false;
                    this.btnMenuEdit.Hidden = false;
                }
                if (buttonList.Contains(BLL.Const.BtnDelete))
                {
                    this.btnTreeMenuDelete.Hidden = false;
                    this.btnMenuDelete.Hidden = false;
                }
            }

            //if (this.CurrUser.UserId == BLL.Const.sysglyId)
            //{
            //    this.btnRefresh.Hidden = false;
            //    this.btnRefresh1.Hidden = false;
            //}
        }
        #endregion

        /// <summary>
        /// 查询
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void TextBox_TextChanged(object sender, EventArgs e)
        {
            this.BindGrid();
        }

        #region 导入
        /// <summary>
        /// 导入按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnImport_Click(object sender, EventArgs e)
        {
            PageContext.RegisterStartupScript(Window3.GetShowReference(String.Format("TestTrainingItemIn.aspx", "导入 - ")));
        }
        #endregion

        #region 导出按钮

        /// <summary>
        /// 导出按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnOut_Click(object sender, EventArgs e)
        {
            string rootPath = Server.MapPath("~/");
            string initTemplatePath = Const.TestTrainingTemplateUrl;
            string uploadfilepath = string.Empty;
            string newUrl = string.Empty;
            uploadfilepath = rootPath + initTemplatePath;

            string trainingId = string.Empty;
            if (this.tvTestTraining.SelectedNode != null && !string.IsNullOrEmpty(this.tvTestTraining.SelectedNode.NodeID))
            {
                trainingId = this.tvTestTraining.SelectedNode.NodeID;
            }
            else
            {
                ShowNotify("请选择试题类型！", MessageBoxIcon.Warning);
                return;
            }

            var testTraining = Funs.DB.Training_TestTraining.FirstOrDefault(x => x.TrainingId == trainingId);
            var lists = (from x in Funs.DB.Training_TestTrainingItem
                         where x.TrainingId == trainingId
                         select x);
            string tName = this.txtName.Text.Trim();
            if (!string.IsNullOrEmpty(tName))
            {
                lists = lists.Where(x => x.TrainingItemCode.Contains(tName) || x.TrainingItemName.Contains(tName) || x.Abstracts.Contains(tName) || x.WorkPostNames.Contains(tName));
            }
            if (this.drptype.SelectedValue != "0")
            {
                lists = lists.Where(x => x.TestType == this.drptype.SelectedValue);
            }
            if (this.ckIsItem.Checked)
            {
                lists = lists.Where(x => string.IsNullOrWhiteSpace(x.AItem) == true || string.IsNullOrWhiteSpace(x.BItem) == true);
            }
            lists = lists.OrderByDescending(x => x.TrainingItemCode);
            if (lists.Any())
            {
                //string projectName = BLL.ProjectService.GetShortNameByProjectId(this.CurrUser.LoginProjectId);
                newUrl = uploadfilepath.Replace("考试试题模版", $"{testTraining.TrainingName}考试试题（{DateTime.Now.ToString("yyyyMMddHHmmss")})");
                if (File.Exists(newUrl))
                {
                    File.Delete(newUrl);
                }
                File.Copy(uploadfilepath, newUrl);
                // 第一步：读取文件流
                NPOI.SS.UserModel.IWorkbook workbook;
                using (FileStream stream = new FileStream(newUrl, FileMode.Open, FileAccess.Read))
                {
                    //workbook = new NPOI.XSSF.UserModel.XSSFWorkbook(stream);
                    workbook = new NPOI.HSSF.UserModel.HSSFWorkbook(stream);
                }
                // 创建单元格样式
                NPOI.SS.UserModel.ICellStyle cellStyle = workbook.CreateCellStyle();
                cellStyle.BorderTop = NPOI.SS.UserModel.BorderStyle.Thin;
                cellStyle.BorderRight = NPOI.SS.UserModel.BorderStyle.Thin;
                cellStyle.BorderBottom = NPOI.SS.UserModel.BorderStyle.Thin;
                cellStyle.BorderLeft = NPOI.SS.UserModel.BorderStyle.Thin;
                cellStyle.Alignment = NPOI.SS.UserModel.HorizontalAlignment.Center;
                cellStyle.VerticalAlignment = NPOI.SS.UserModel.VerticalAlignment.Center;
                cellStyle.WrapText = true;//自动换行
                var font = workbook.CreateFont();
                font.FontHeightInPoints = 11;
                cellStyle.SetFont(font);
                // 第二步：创建新数据行
                NPOI.SS.UserModel.ISheet sheet = workbook.GetSheetAt(0);
                NPOI.SS.UserModel.IRow row = sheet.GetRow(0);
                NPOI.SS.UserModel.ICell cell;
                int i = 2;
                foreach (var item in lists)
                {
                    // 第二步：创建新数据行
                    row = sheet.CreateRow(i);
                    // 添加数据
                    cell = row.CreateCell(0);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(testTraining.TrainingCode);//试题类型编号

                    cell = row.CreateCell(1);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(testTraining.TrainingName);//试题类型

                    cell = row.CreateCell(2);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.TrainingItemCode);//试题编号

                    string testTypeName = item.TestType == "1" ? "单选题" : item.TestType == "2" ? "多选题" : "判断题";
                    cell = row.CreateCell(3);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(testTypeName);//题型

                    cell = row.CreateCell(4);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.WorkPostNames);//适合岗位

                    cell = row.CreateCell(5);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.Abstracts);//试题内容

                    cell = row.CreateCell(6);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.AItem);//答案项A

                    cell = row.CreateCell(7);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.BItem);//答案项B

                    cell = row.CreateCell(8);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.CItem);//答案项C

                    cell = row.CreateCell(9);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.DItem);//答案项D

                    cell = row.CreateCell(10);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.EItem);//答案项E

                    cell = row.CreateCell(11);
                    cell.CellStyle = cellStyle;
                    cell.SetCellValue(item.AnswerItems);//正确答案

                    i++;
                }
                // 第三步：写入文件流
                using (FileStream stream = new FileStream(newUrl, FileMode.Create, FileAccess.Write))
                {
                    workbook.Write(stream);
                    workbook.Close();
                }
                string fileName = Path.GetFileName(newUrl);
                FileInfo info = new FileInfo(newUrl);
                long fileSize = info.Length;
                Response.Clear();
                Response.ContentType = "application/x-zip-compressed";
                Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
                Response.AddHeader("Content-Length", fileSize.ToString());
                Response.TransmitFile(newUrl, 0, fileSize);
                Response.Flush();
                Response.Close();
                File.Delete(newUrl);
            }
            else
            {
                Alert.ShowInTop("当前无记录，无法导出！", MessageBoxIcon.Warning);
            }
        }
        #endregion

        #region 刷新装置
        /// <summary>
        /// 刷新
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Refresh_Click(object sender, EventArgs e)
        {
            var trainingItems = from x in Funs.DB.Training_TestTrainingItem select x;
            if (trainingItems.Count() > 0)
            {
                foreach (var trainingItem in trainingItems)
                {
                    if (trainingItem.TestType == "3" && string.IsNullOrEmpty(trainingItem.AItem))
                    {
                        trainingItem.AItem = "对";
                        trainingItem.BItem = "错";
                    }

                    if (!string.IsNullOrEmpty(trainingItem.WorkPostIds))
                    {
                        string name = string.Empty;
                        var workPostList = Funs.GetStrListByStr(trainingItem.WorkPostIds, ',');
                        if (workPostList.Count() > 0)
                        {
                            foreach (var workPostId in workPostList)
                            {
                                var workPost = BLL.WorkPostService.GetWorkPostById(workPostId).WorkPostName;
                                if (!string.IsNullOrEmpty(workPost))
                                {
                                    name += workPost + ",";
                                }
                            }
                        }

                        if (!string.IsNullOrEmpty(name))
                        {
                            trainingItem.WorkPostNames = name.Substring(0, name.LastIndexOf(","));
                        }
                    }

                    BLL.TestTrainingItemService.UpdateTestTrainingItem(trainingItem);
                }
            }

            Alert.ShowInTop("操作完成！", MessageBoxIcon.Success);
        }

        /// <summary>
        /// 刷新
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Refresh1_Click(object sender, EventArgs e)
        {
            var trainingItems = from x in Funs.DB.Training_TestTrainingItem select x;
            if (trainingItems.Count() > 0)
            {
                foreach (var trainingItem in trainingItems)
                {
                    if (trainingItem.TestType == "3" && string.IsNullOrEmpty(trainingItem.AItem))
                    {
                        trainingItem.AItem = "对";
                        trainingItem.BItem = "错";
                    }

                    if (!string.IsNullOrEmpty(trainingItem.WorkPostNames))
                    {
                        string getInstallationId = string.Empty;
                        var installList = Funs.GetStrListByStr(trainingItem.WorkPostNames, ',');
                        if (installList.Count() > 0)
                        {
                            foreach (var installItem in installList)
                            {
                                var install = Funs.DB.Base_WorkPost.FirstOrDefault(x => x.WorkPostName == installItem);
                                if (install != null && !string.IsNullOrEmpty(install.WorkPostId))
                                {
                                    getInstallationId += install.WorkPostId + ",";
                                }
                            }
                        }

                        if (!string.IsNullOrEmpty(getInstallationId))
                        {
                            trainingItem.WorkPostIds = getInstallationId.Substring(0, getInstallationId.LastIndexOf(","));
                        }
                    }

                    BLL.TestTrainingItemService.UpdateTestTrainingItem(trainingItem);
                }
            }

            Alert.ShowInTop("操作完成！", MessageBoxIcon.Success);
        }
        #endregion

        /// <summary>
        /// 显示选项不全的题目
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ckIsItem_CheckedChanged(object sender, CheckedEventArgs e)
        {
            this.BindGrid();
        }
    }
}