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

namespace FineUIPro.Web.CLGL
{
    public partial class InPlanMasterDetailImport : PageBase
    {
        private readonly string initPath = Const.ExcelUrl;

        public static List<InPlanDetailImportItem> ImportDetailList = new List<InPlanDetailImportItem>();

        public static string errorInfos = string.Empty;

        public string Id
        {
            get
            {
                return (string)ViewState["Id"];
            }
            set
            {
                ViewState["Id"] = value;
            }
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                hdFileName.Text = string.Empty;
                Id = Request.QueryString["Id"];
                ImportDetailList.Clear();
                errorInfos = string.Empty;
            }
        }

        protected void btnAudit_Click(object sender, EventArgs e)
        {
            try
            {
                if (fuAttachUrl.HasFile == false)
                {
                    ShowNotify("请您选择Excel文件！", MessageBoxIcon.Warning);
                    return;
                }

                string isXls = Path.GetExtension(fuAttachUrl.FileName).Trim().ToLower();
                if (isXls != ".xlsx")
                {
                    ShowNotify("只可以选择Excel文件！", MessageBoxIcon.Warning);
                    return;
                }

                ImportDetailList.Clear();
                errorInfos = string.Empty;

                string rootPath = Server.MapPath("~/");
                string initFullPath = rootPath + initPath;
                if (!Directory.Exists(initFullPath))
                {
                    Directory.CreateDirectory(initFullPath);
                }

                hdFileName.Text = Funs.GetNewFileName() + isXls;
                string filePath = initFullPath + hdFileName.Text;
                fuAttachUrl.PostedFile.SaveAs(filePath);
                ImportXlsToData(filePath);
            }
            catch (Exception ex)
            {
                Alert alert = new Alert
                {
                    Message = "'" + ex.Message + "'",
                    Target = Target.Self
                };
                alert.Show();
            }
        }

        private void ImportXlsToData(string fileName)
        {
            DataTable rows = MiniExcel.QueryAsDataTable(fileName, useHeaderRow: true);
            ResponeData responeData = AddDataTableToImportList(rows);
            if (responeData.code == 1)
            {
                ShowNotify("审核完成,请点击导入！", MessageBoxIcon.Success);
            }
            else
            {
                Alert alert = new Alert
                {
                    Message = responeData.message,
                    Target = Target.Self
                };
                alert.Show();
            }
        }

        private ResponeData AddDataTableToImportList(DataTable table)
        {
            ResponeData responeData = new ResponeData();
            List<string> result = new List<string>();
            List<InPlanDetailImportItem> importItems = new List<InPlanDetailImportItem>();

            if (table == null || table.Rows.Count == 0)
            {
                responeData.code = 0;
                responeData.message = "导入数据为空！";
                return responeData;
            }

            if (!table.Columns.Contains("计划入库数量"))
            {
                responeData.code = 0;
                responeData.message = "导入Excel格式错误！模板列必须包含：计划入库数量";
                return responeData;
            }

            bool hasMaterialCode = table.Columns.Contains("材料主编码");
            bool hasCodeInfo = table.Columns.Contains("材料编码") && table.Columns.Contains("炉号") && table.Columns.Contains("批号");
            if (!hasMaterialCode && !hasCodeInfo)
            {
                responeData.code = 0;
                responeData.message = "导入Excel格式错误！模板列必须包含材料主编码，或同时包含材料编码、炉号、批号";
                return responeData;
            }

            Tw_InOutPlanMaster master = TwInOutplanmasterService.GetById(Id);
            if (master == null)
            {
                responeData.code = 0;
                responeData.message = "请先保存入库申请后再导入明细！";
                return responeData;
            }
            if (master.InOutType != (int)TwConst.InOutType.入库)
            {
                responeData.code = 0;
                responeData.message = "当前单据不是入库申请，不能导入入库明细！";
                return responeData;
            }

            List<HJGL_MaterialCodeLib> materialList = MaterialCodeLibService.GetMaterialCodeLibList();
            for (int i = 0; i < table.Rows.Count; i++)
            {
                string materialCode = hasMaterialCode ? GetCellValue(table.Rows[i], "材料主编码") : string.Empty;
                string code = table.Columns.Contains("材料编码") ? GetCellValue(table.Rows[i], "材料编码") : string.Empty;
                string heatNo = table.Columns.Contains("炉号") ? GetCellValue(table.Rows[i], "炉号") : string.Empty;
                string batchNo = table.Columns.Contains("批号") ? GetCellValue(table.Rows[i], "批号") : string.Empty;
                string planNumText = GetCellValue(table.Rows[i], "计划入库数量");

                if (string.IsNullOrEmpty(materialCode) && string.IsNullOrEmpty(code) && string.IsNullOrEmpty(heatNo) && string.IsNullOrEmpty(batchNo) && string.IsNullOrEmpty(planNumText))
                {
                    continue;
                }

                HJGL_MaterialCodeLib material = null;
                if (!string.IsNullOrEmpty(materialCode))
                {
                    material = materialList.FirstOrDefault(x => x.MaterialCode == materialCode);
                }
                else
                {
                    material = materialList.FirstOrDefault(x => x.Code == code && x.HeatNo == heatNo && x.BatchNo == batchNo);
                }

                if (material == null)
                {
                    result.Add("第" + (i + 2).ToString() + "行,材料信息,材料编码库中不存在此材料！");
                    continue;
                }

                decimal planNum;
                if (!decimal.TryParse(planNumText, out planNum) || planNum <= 0)
                {
                    result.Add("第" + (i + 2).ToString() + "行,计划入库数量,请输入大于0的数字！");
                    continue;
                }

                importItems.Add(new InPlanDetailImportItem
                {
                    MaterialCode = material.MaterialCode,
                    Code = material.Code,
                    HeatNo = material.HeatNo,
                    BatchNo = material.BatchNo,
                    PlanNum = planNum,
                    MaterialName = material.MaterialName,
                    MaterialDef = material.MaterialDef
                });
            }

            if (result.Count > 0)
            {
                ImportDetailList.Clear();
                errorInfos = string.Join("|", result.Distinct());
                responeData.code = 0;
                responeData.message = errorInfos;
                return responeData;
            }

            ImportDetailList = importItems.GroupBy(x => x.MaterialCode).Select(x =>
            {
                InPlanDetailImportItem item = x.First();
                item.PlanNum = x.Sum(y => y.PlanNum);
                return item;
            }).ToList();

            errorInfos = string.Empty;
            responeData.code = ImportDetailList.Count > 0 ? 1 : 0;
            responeData.message = ImportDetailList.Count > 0 ? string.Empty : "导入数据为空！";
            return responeData;
        }

        protected void btnImport_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(errorInfos))
            {
                ShowNotify("请先将错误数据修正，再重新导入提交！", MessageBoxIcon.Warning);
                return;
            }

            if (string.IsNullOrEmpty(hdFileName.Text))
            {
                ShowNotify("请先审核要导入的文件！", MessageBoxIcon.Warning);
                return;
            }

            Grid1.DataSource = ImportDetailList;
            Grid1.DataBind();
            Grid1.RecordCount = ImportDetailList.Count;
        }

        protected void btnSave_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(errorInfos))
            {
                ShowNotify("请先将错误数据修正，再重新导入提交！", MessageBoxIcon.Warning);
                return;
            }

            SaveDetails();

            string rootPath = Server.MapPath("~/");
            string filePath = rootPath + initPath + hdFileName.Text;
            if (!string.IsNullOrEmpty(filePath) && File.Exists(filePath))
            {
                File.Delete(filePath);
            }
            ShowNotify("导入成功！", MessageBoxIcon.Success);
            PageContext.RegisterStartupScript(ActiveWindow.GetHidePostBackReference());
        }

        private void SaveDetails()
        {
            foreach (InPlanDetailImportItem item in ImportDetailList)
            {
                Tw_InOutDetailOutput queryDetail = new Tw_InOutDetailOutput()
                {
                    InOutPlanMasterId = Id,
                    MaterialCode = item.MaterialCode
                };
                Tw_InOutDetailOutput detailOutput = TwInOutplandetailService.GetByModle(queryDetail).FirstOrDefault();
                if (detailOutput == null)
                {
                    Tw_InOutPlanDetail newDetail = new Tw_InOutPlanDetail
                    {
                        Id = SQLHelper.GetNewID(),
                        InOutPlanMasterId = Id,
                        MaterialCode = item.MaterialCode,
                        PlanNum = item.PlanNum
                    };
                    TwInOutplandetailService.Add(newDetail);
                }
                else
                {
                    Tw_InOutPlanDetail detail = TwInOutplandetailService.GetById(detailOutput.Id);
                    detail.PlanNum = item.PlanNum;
                    TwInOutplandetailService.Update(detail);
                }
            }
        }

        protected void btnDownLoad_Click(object sender, EventArgs e)
        {
            string rootPath = Server.MapPath("~/");
            string tempDirectory = rootPath + @"File\Excel\Temp\";
            if (!Directory.Exists(tempDirectory))
            {
                Directory.CreateDirectory(tempDirectory);
            }

            string tempPath = tempDirectory + "入库明细导入模板" + string.Format("{0:yyyyMMddHHmmss}", DateTime.Now) + ".xlsx";
            DataTable template = new DataTable();
            template.Columns.Add("材料主编码");
            template.Columns.Add("计划入库数量");
            MiniExcel.SaveAs(tempPath, template);

            FileInfo info = new FileInfo(tempPath);
            long fileSize = info.Length;
            Response.ClearContent();
            Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode("入库明细导入模板.xlsx", System.Text.Encoding.UTF8));
            Response.ContentType = "excel/plain";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            Response.AddHeader("Content-Length", fileSize.ToString().Trim());
            Response.TransmitFile(tempPath, 0, fileSize);
            Response.Flush();
            Response.Close();
            File.Delete(tempPath);
        }

        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            Grid1.DataSource = ImportDetailList;
            Grid1.DataBind();
            Grid1.RecordCount = ImportDetailList.Count;
        }

        private string GetCellValue(DataRow row, string columnName)
        {
            return Convert.ToString(row[columnName]).Replace("\n", "").Replace(" ", "").Replace("\t", "").Replace("\r", "").Trim();
        }

        public class InPlanDetailImportItem
        {
            public string MaterialCode { get; set; }

            public string Code { get; set; }

            public string HeatNo { get; set; }

            public string BatchNo { get; set; }

            public decimal PlanNum { get; set; }

            public string MaterialName { get; set; }

            public string MaterialDef { get; set; }
        }
    }
}