using BLL;
using BLL.Common;
using FineUIPro.Web.BaseInfo;
using FineUIPro.Web.DataShow;
using Model;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.IO;
using System.Linq;
using System.Web.Services.Description;

namespace FineUIPro.Web.HSSE.Check
{
    public partial class CheckSpecialProDetailIn : 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>();

        /// <summary>
        /// 项目id
        /// </summary>
        public string ProjectId
        {
            get
            {
                return (string)ViewState["ProjectId"];
            }
            set
            {
                ViewState["ProjectId"] = value;
            }
        }
        /// <summary>
        /// 检查id
        /// </summary>
        public string CheckSpecialId
        {
            get
            {
                return (string)ViewState["CheckSpecialId"];
            }
            set
            {
                ViewState["CheckSpecialId"] = value;
            }
        }
        public static int Cols = 11;//列数

        public static Dictionary<string, string> imgDic = new Dictionary<string, string>();
        //public static List<string> unitWorks = new List<string>();
        public static List<WBS_UnitWork> unitWorks = new List<WBS_UnitWork>();
        public static List<Base_Unit> units = new List<Base_Unit>();
        public static List<Sys_User> hseManagers = new List<Sys_User>();
        public static List<HSSE_Hazard_HazardRegisterTypes> types = new List<HSSE_Hazard_HazardRegisterTypes>();

        public static List<string> validLevelStrings = new List<string> { "低风险", "一般风险", "较大风险", "重大风险" };
        public static List<string> validStateStrings = new List<string> { "待整改", "已整改" };
        public static List<string> validTypeStrings = new List<string> { "当场纠正", "口头警告" };

        #endregion

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                this.ProjectId = Request.Params["ProjectId"];
                this.CheckSpecialId = Request.Params["CheckSpecialId"];

                ///单位工程
                var unitWorkList = (from x in Funs.DB.WBS_UnitWork
                                    where x.ProjectId == this.ProjectId && x.SuperUnitWork == null
                                    orderby x.UnitWorkCode
                                    select x).ToList();
                //var unitWorkList = (from x in Funs.DB.WBS_UnitWork
                //                    where x.ProjectId == this.ProjectId && x.SuperUnitWork == null
                //                    orderby x.UnitWorkCode
                //                    select new
                //                    {
                //                        x.UnitWorkId,
                //                        UnitWorkName = UnitWorkService.GetUnitWorkALLName(x.UnitWorkId)
                //                    }).ToList();
                if (unitWorkList.Any())
                {
                    unitWorks.AddRange(unitWorkList);
                    //unitWorks.AddRange(unitWorkList.Select(x => x.UnitWorkName));
                }
                //受检单位
                units = (from x in Funs.DB.Base_Unit
                         join y in Funs.DB.Project_ProjectUnit on x.UnitId equals y.UnitId
                         where y.ProjectId == this.ProjectId
                         orderby x.UnitCode
                         select x).ToList();
                //HSE经理
                hseManagers = BLL.ProjectUserService.GetProjectUserByUnitidAndProjectId(this.ProjectId, Const.HSSEManager);
                //安全巡检类型
                types = BLL.HSSE_Hazard_HazardRegisterTypesService.GetHazardRegisterTypesList("1");


                this.hdFileName.Text = string.Empty;
                if (errorInfos != null)
                {
                    errorInfos.Clear();
                }

                //if (this.CurrUser.UserId == Const.AdminId)
                //{
                //    this.btnFastImport.Hidden = false;
                //}
            }
        }

        #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)
        {
            //这里要注意了，如果传过来的没有记录
            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.CheckSpecialDetailTemplateUrl;
                string filePath = Const.CheckSpecialDetailTemplateUrl;
                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

        #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" && IsXls != ".xlsx")
                {
                    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);
                AuditExcelAndShowResult(filePath);
            }
            catch (Exception ex)
            {
                ShowNotify("'" + ex.Message + "'", MessageBoxIcon.Warning);
            }
        }

        /// <summary>
        /// 审核Excel并展示校验结果
        /// </summary>
        private void AuditExcelAndShowResult(string fileName)
        {
            try
            {
                string msg = string.Empty;
                var dt =NPOIHelper.ExcelToDataSet(fileName, out msg, true);
                if (dt != null)
                {
                    //string rootPath = Server.MapPath("~/");
                    //var localPath = ConfigurationManager.AppSettings["localRoot"];
                    //imgDic = NPOIHelper.ExtractDispimgImagesFromXml(rootPath + initPath + this.hdFileName.Text, localPath + "FileUpload/CheckSpecial");
                    ValidateExcelData(dt.Tables[0], false);
                    hdCheckResult.Text = "1";
                }
            }
            catch (Exception exc)
            {
                BLL.ErrLogInfo.WriteLog("", exc);
                Response.Write(exc);
            }
        }

        /// <summary>
        /// 校验Excel数据（仅校验）
        /// </summary>
        /// <param name="pds"></param>
        /// <param name="import">true:导入；false:审核</param>
        /// <returns></returns>
        private bool ValidateExcelData(DataTable pds, bool import)
        {
            int ic = pds.Columns.Count;
            if (ic < Cols)
            {
                ShowNotify($"导入Excel格式错误！Excel只有{ic}列", MessageBoxIcon.Warning);
                return false;
            }
            int ir = pds.Rows.Count;
            if (pds == null || ir <= 0)
            {
                ShowNotify("导入数据为空！", MessageBoxIcon.Warning);
                return false;
            }
            var errors = new List<ErrorInfo>();
            for (int i = 0; i < ir; i++)
            {
                var (error, _) = ValidateRowAndBuildEntity(pds.Rows[i], (i + 2).ToString(), import);
                if (error.Any()) { errors.AddRange(error); }
            }
            errorInfos.Clear();
            errorInfos.AddRange(errors);
            this.gvErrorInfo.DataSource = errorInfos;
            this.gvErrorInfo.DataBind();
            if (errors.Count > 0)
            {
                ShowNotify("存在校验错误，请查看错误列表并修正后再次导入。", MessageBoxIcon.Warning);
                return false;
            }
            ShowNotify("审核完成,请点击导入！", MessageBoxIcon.Success);
            return true;
        }


        /// <summary>
        /// 校验单行并生成实体（字段顺序与新模板一致）
        /// </summary>
        private (List<ErrorInfo> lstError, Model.Check_CheckSpecialProDetail entity) ValidateRowAndBuildEntity(DataRow row, string displayRow, bool import)
        {
            List<ErrorInfo> lstError = new List<ErrorInfo>();
            // 新模板字段顺序
            string checkAreaName = row[0]?.ToString().Trim();       // 单位工程
            string checkUnitName = row[1]?.ToString().Trim();       // 受检单位
            string hseManageName = row[2]?.ToString().Trim();       // HSE经理
            string description = row[3]?.ToString().Trim();         // 问题描述
            string urls = row[4]?.ToString().Trim();                // 问题图片地址
            string checkItemName = row[5]?.ToString().Trim();       // 问题类型
            string levelName = row[6]?.ToString().Trim();           // 风险级别
            string completeStatusName = row[7]?.ToString().Trim();  // 现场处理结果
            string handMethod = row[8]?.ToString().Trim();          // 处理方式
            string limitedDateStr = row[9]?.ToString().Trim();      // 限时日期
            string suggestions = row[10]?.ToString().Trim();        // 整改要求

            string CheckArea = string.Empty;
            string UnitId = string.Empty;
            string HSEManageId = string.Empty;
            string CheckContent = string.Empty;
            string CheckItem = string.Empty;
            string RiskLevel = string.Empty;
            bool CompleteStatus = false;
            DateTime? CompletedDate = null;
            string RectifyOpinion = string.Empty;
            DateTime? LimitedDate = null;
            string Suggestions = string.Empty;

            // 校验并转换
            if (!string.IsNullOrEmpty(checkAreaName))
            {
                if (unitWorks.Any(x => x.UnitWorkName == checkAreaName))
                {
                    //CheckArea = checkAreaName;
                    CheckArea = unitWorks.Where(x => x.UnitWorkName == checkAreaName).FirstOrDefault().UnitWorkId;
                }
                else
                {
                    lstError.Add(new ErrorInfo { Row = displayRow, Column = "单位工程", Reason = $"单位工程名称[{checkAreaName}]不存在" });
                }
            }
            else
            {
                lstError.Add(new ErrorInfo { Row = displayRow, Column = "单位工程", Reason = "不能为空" });
            }
            if (!string.IsNullOrEmpty(checkUnitName))
            {
                if (units.Any(x => x.UnitName == checkUnitName))
                {
                    UnitId = units.Where(x => x.UnitName == checkUnitName).FirstOrDefault().UnitId;
                }
                else
                {
                    lstError.Add(new ErrorInfo { Row = displayRow, Column = "受检单位", Reason = $"受检单位名称[{checkUnitName}]不存在" });
                }
            }
            else
            {
                lstError.Add(new ErrorInfo { Row = displayRow, Column = "受检单位", Reason = "不能为空" });
            }
            if (!string.IsNullOrEmpty(hseManageName))
            {
                if (hseManagers.Any(x => x.UserName == hseManageName))
                {
                    HSEManageId = hseManagers.Where(x => x.UserName == hseManageName).FirstOrDefault().UserId;
                }
                else
                {
                    lstError.Add(new ErrorInfo { Row = displayRow, Column = "HSE经理", Reason = $"项目不存在用户[{hseManageName}]" });
                }
            }
            if (!string.IsNullOrEmpty(checkItemName))
            {
                if (types.Any(x => x.RegisterTypesName == checkItemName))
                {
                    CheckContent = checkItemName;
                    CheckItem = types.Where(x => x.RegisterTypesName == checkItemName).FirstOrDefault().RegisterTypesId;
                }
                else
                {
                    lstError.Add(new ErrorInfo { Row = displayRow, Column = "问题类型", Reason = $"问题类型[{checkItemName}]不存在" });
                }
            }
            if (!string.IsNullOrEmpty(levelName))
            {
                if (validLevelStrings.Any(x => x == levelName))
                {
                    switch (levelName)
                    {
                        case "低": RiskLevel = "0"; break;
                        case "一般": RiskLevel = "1"; break;
                        case "较高": RiskLevel = "2"; break;
                        case "高": RiskLevel = "3"; break;
                        default: RiskLevel = "0"; break;
                    }
                }
                else
                {
                    lstError.Add(new ErrorInfo { Row = displayRow, Column = "风险级别", Reason = $"风险级别[{levelName}]不存在" });
                }
            }
            if (!string.IsNullOrEmpty(completeStatusName))
            {
                if (validStateStrings.Any(x => x == completeStatusName))
                {
                    if (completeStatusName == "已整改")
                    {
                        CompleteStatus = true;
                        CompletedDate = DateTime.Now;
                    }
                    else
                    {
                        CompleteStatus = false;
                    }
                }
                else
                {
                    lstError.Add(new ErrorInfo { Row = displayRow, Column = "现场处理结果", Reason = $"现场处理结果[{completeStatusName}]不存在" });
                }
            }
            if (!string.IsNullOrEmpty(handMethod))
            {
                if (validTypeStrings.Any(x => x == handMethod))
                {
                    RectifyOpinion = handMethod;
                }
                else
                {
                    lstError.Add(new ErrorInfo { Row = displayRow, Column = "处理方式", Reason = $"处理方式[{handMethod}]不存在" });
                }
            }
            if (!string.IsNullOrWhiteSpace(limitedDateStr))
            {
                if (!DateTime.TryParse(limitedDateStr, out DateTime ct))
                    lstError.Add(new ErrorInfo { Row = displayRow, Column = "限时日期", Reason = "日期格式错误" });
                LimitedDate = ct;
            }
            else
            {
                lstError.Add(new ErrorInfo { Row = displayRow, Column = "限时日期", Reason = "不能为空" });
            }
            if (!string.IsNullOrEmpty(suggestions))
            {
                Suggestions = suggestions;
            }
            //if (import)
            //{图片待处理
            //    try
            //    {
            //        urls = urls.Substring(urls.IndexOf('"') + 1, urls.LastIndexOf('"') - urls.IndexOf('"') - 1);
            //        var sss = imgDic.ContainsKey(urls) ? imgDic[urls].Replace(Funs.RootPath, "") : "";
            //    }
            //    catch (Exception e) { }
            //}

            if (lstError.Any())
            {
                return (lstError, null);
            }

            // 其余字段可根据实际业务映射到实体
            var entity = new Model.Check_CheckSpecialProDetail
            {
                CheckSpecialDetailId = SQLHelper.GetNewID(),
                CheckSpecialId = this.CheckSpecialId,
                CheckArea = CheckArea,
                UnitId = UnitId,
                HSEManage = HSEManageId,
                Unqualified = description,
                CheckContent = CheckContent,
                CheckItem = CheckItem,
                RiskLevel = RiskLevel,
                CompleteStatus = CompleteStatus,
                CompletedDate = CompletedDate,
                RectifyOpinion = RectifyOpinion,
                LimitedDate = LimitedDate,
                Suggestions = Suggestions
            };
            return (lstError, entity);
        }

        #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 (hdCheckResult.Text == "1")
            {
                if (errorInfos.Count <= 0)
                {
                    string rootPath = Server.MapPath("~/");
                    var localPath = ConfigurationManager.AppSettings["localRoot"];
                    //imgDic = NPOIHelper.ExtractDispimgImagesFromXml(rootPath + initPath + this.hdFileName.Text, localPath + "FileUpload/CheckSpecial");
                    ImportExcelToDatabase(rootPath + initPath + this.hdFileName.Text, true);

                    hdCheckResult.Text = string.Empty;
                    ShowNotify("导入成功！", MessageBoxIcon.Success);
                    PageContext.RegisterStartupScript(ActiveWindow.GetHidePostBackReference());
                }
                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);
            }
        }
        /// <summary>
        /// 导入Excel到数据库
        /// </summary>
        private void ImportExcelToDatabase(string fileName, bool import)
        {
            try
            {
                string msg = string.Empty;
                var dt = NPOIHelper.ExcelToDataSet(fileName, out msg, true);
                BLL.ErrLogInfo.WriteLog(msg);
                SaveExcelDataToDatabase(fileName, dt.Tables[0], import);
            }
            catch (Exception ex)
            {
                ErrLogInfo.WriteLog("", ex);
            }
        }

        /// <summary>
        /// 校验并保存数据到数据库
        /// </summary>
        private bool SaveExcelDataToDatabase(string fileName, DataTable pds, bool import)
        {
            int ic = pds.Columns.Count;
            if (ic < Cols)
            {
                ShowNotify($"导入Excel格式错误！Excel只有{ic}列", MessageBoxIcon.Warning);
                return false;
            }
            int ir = pds.Rows.Count;
            if (pds == null || ir <= 0)
            {
                ShowNotify("导入数据为空！", MessageBoxIcon.Warning);
                return false;
            }
            var errors = new List<ErrorInfo>();
            var toInsert = new List<Model.Check_CheckSpecialProDetail>();

            for (int i = 0; i < ir; i++)
            {
                var (error, entity) = ValidateRowAndBuildEntity(pds.Rows[i], (i + 2).ToString(), import);
                if (error.Any())
                    errors.AddRange(error);
                else
                    toInsert.Add(entity);
            }
            if (errors.Count > 0)
            {
                errorInfos.Clear();
                errorInfos.AddRange(errors);
                this.gvErrorInfo.DataSource = errorInfos;
                this.gvErrorInfo.DataBind();
                ShowNotify("存在校验错误，请先审核并修正后再导入。", MessageBoxIcon.Warning);
                return false;
            }
            try
            {
                if (toInsert.Any())
                {
                    Funs.DB.Check_CheckSpecialProDetail.InsertAllOnSubmit(toInsert);
                    Funs.DB.SubmitChanges();
                }
                ShowNotify($"成功导入 {toInsert.Count} 条记录。", MessageBoxIcon.Success);
                PageContext.RegisterStartupScript(ActiveWindow.GetHidePostBackReference());
                return true;
            }
            catch (Exception ex)
            {
                ErrLogInfo.WriteLog("导入 Check_CheckSpecialProDetail 失败", ex);
                ShowNotify("导入失败：" + ex.Message, MessageBoxIcon.Error);
                return false;
            }
        }

        #endregion // 导入
    }
}