using DevExpress.XtraBars;
using DevExpress.XtraBars.ToolbarForm;
using DevExpress.XtraEditors;
using DeviceRepair.Models;
using DeviceRepair.Models.Enum;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using DeviceRepair.Utils;
using DeviceRepairAndOptimization.Common;
using System.IO;
using NPOI.HSSF.UserModel;
using NPOI.XSSF.UserModel;
using NPOI.SS.UserModel;

namespace DeviceRepairAndOptimization.Pages.AM.FormVersion
{
    public partial class pageFormVersionEdit : ToolbarForm
    {
        public MaintenanceFormVersionInfo CurrentModel;
        public pageFormVersionEdit() : this(new MaintenanceFormVersionInfo { FormBelong = EnumDeviceBelong.AM.ToString() })
        {
        }

        public pageFormVersionEdit(MaintenanceFormVersionInfo currentModel)
        {
            InitializeComponent();
            CurrentModel = currentModel;
        }

        private void pageFormVersionEdit_Load(object sender, EventArgs e)
        {
            if (CurrentModel.AutoID != 0)
            {
                txtName.EditValue = CurrentModel.FormName;
                txtName.Enabled = false;
                txtCode.EditValue = CurrentModel.VersionCode;
                txtCode.Enabled = false;
                txtRev.EditValue = CurrentModel.VersionRev;
                txtRev.Enabled = false;

                txtFilePath.EditValue = Path.GetFileName(CurrentModel.FormPath);
                txtFilePath.Enabled = false;

                txtVersion.EditValue = CurrentModel.VersionCode;
                txtVersion.Enabled = false;

                txtNote.EditValue = CurrentModel.Remarks;
            }
        }

        /// <summary>
        /// 提交
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSave_ItemClick(object sender, ItemClickEventArgs e)
        {
            try
            {
                if (CanCloas())
                {
                    if (CurrentModel.AutoID == 0)
                    {
                        CurrentModel.FormName = txtName.EditValue + "";
                        CurrentModel.FormPath = txtFilePath.EditValue + "";
                        CurrentModel.FormStatus = true;
                        CurrentModel.Remarks = txtNote.EditValue + "";
                        CurrentModel.VersionCode = txtCode.EditValue + "";
                        CurrentModel.VersionRev = txtRev.EditValue + "";
                    }
                    else
                    {
                        CurrentModel.Remarks = txtNote.EditValue + "";
                    }
                    this.DialogResult = DialogResult.OK;
                }
            }
            catch (Exception ex)
            {
                XtraMessageBoxHelper.Error(ex.Message);
            }

            this.DialogResult = DialogResult.OK;
        }

        /// <summary>
        /// 选择文件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void txtFilePath_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
        {
            if (e.Button.Kind == DevExpress.XtraEditors.Controls.ButtonPredefines.Ellipsis)
            {
                try
                {
                    XtraOpenFileDialog xtraOpenFileDialog1 = new XtraOpenFileDialog();
                    xtraOpenFileDialog1.FileName = string.Empty;
                    xtraOpenFileDialog1.Filter = "(*.xls)|*.xls;*.xlsx";
                    xtraOpenFileDialog1.Multiselect = false;
                    xtraOpenFileDialog1.Title = "请选择待导入的点检表Excel文件";

                    if (xtraOpenFileDialog1.ShowDialog(this) == DialogResult.OK)
                    {
                        string FilePath = xtraOpenFileDialog1.FileName;
                        splashScreenManager1.ShowWaitForm();

                        using (FileStream fileStream = new FileStream(FilePath, FileMode.Open, FileAccess.Read))
                        {
                            string fileExtension = Path.GetExtension(FilePath);
                            MaintenanceFormVersionInfo entity;
                            if (fileExtension.Equals(".xls", StringComparison.OrdinalIgnoreCase))
                            {
                                // 如果是 .xls 文件
                                HSSFWorkbook workbook = new HSSFWorkbook(fileStream);
                                entity = ReadHeaderFromWorkbook(workbook);
                            }
                            else if (fileExtension.Equals(".xlsx", StringComparison.OrdinalIgnoreCase))
                            {
                                // 如果是 .xlsx 文件
                                XSSFWorkbook workbook = new XSSFWorkbook(fileStream);
                                entity = ReadHeaderFromWorkbook(workbook);
                            }
                            else
                            {
                                // 不支持的文件类型
                                throw new NotSupportedException("不支持的文件类型");
                            }

                            txtCode.EditValue = entity.VersionCode;
                            txtFilePath.EditValue = FilePath;
                            txtName.EditValue = entity.FormName;
                            txtRev.EditValue = entity.VersionRev;
                        }

                        splashScreenManager1.TryCloseWait();
                    }
                }
                catch (Exception ex)
                {
                    splashScreenManager1.TryCloseWait();
                    XtraMessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        /// <summary>
        /// 校验表单
        /// </summary>
        /// <returns></returns>
        private bool CanCloas()
        {
            // 校验点检表文件
            if (CurrentModel.AutoID == 0)
            {
                if ((txtFilePath.EditValue + "").IsNull())
                    return false;

                string FilePath = txtFilePath.EditValue + "";
                if (!System.IO.File.Exists(FilePath))
                    return false;

                CurrentModel.FormPath = FilePath;

                // 校验说明
                string Note = txtNote.EditValue + "";
                if (!Note.IsNull() && Note.Length > 2000)
                    return false;
            }
            else
            {
                string Note = txtNote.EditValue + "";
                if (!Note.IsNull() && Note.Length > 2000)
                    return false;
            }

            return true;
        }

        /// <summary>
        /// 从工作簿中读取页眉
        /// </summary>
        /// <param name="workbook"></param>
        /// <returns></returns>
        private MaintenanceFormVersionInfo ReadHeaderFromWorkbook(IWorkbook workbook)
        {
            MaintenanceFormVersionInfo maintenance = null;

            try
            {
                // 获取第一个工作表
                ISheet CurrentSheet = null;
                int SheetCount = workbook.NumberOfSheets;

                if (SheetCount == 0)
                {
                    throw new ArgumentException("导入的点检表文件出错,文件中无内容!");
                }

                CurrentSheet = workbook.GetSheet("Table2");
                if (CurrentSheet == null)
                {
                    throw new ArgumentException("导入的点检表文件出错,当前文件中不存在【Table2】的Sheet页!");
                }

                // 获取页眉
                if (CurrentSheet != null && CurrentSheet.Header != null)
                {
                    Tuple<string, string, string> tuple = GetPageHeadVersionInfo(CurrentSheet);
                    maintenance = new MaintenanceFormVersionInfo();
                    maintenance.FormName = tuple.Item1;
                    maintenance.VersionCode = tuple.Item2;
                    maintenance.VersionRev = tuple.Item3;
                }

                // 验证模板内容
                ArgumentException argEx;
                if (maintenance.VersionCode == "FM-P0075.01")
                {
                    Biz.AM.Templates.FM_P0075_01 fm = new Biz.AM.Templates.FM_P0075_01();
                    argEx = fm.CheckCurrentSheet(CurrentSheet);
                }
                else if (maintenance.VersionCode == "FM-P0075.15")
                {
                    Biz.AM.Templates.FM_P0075_15 fm = new Biz.AM.Templates.FM_P0075_15();
                    argEx = fm.CheckCurrentSheet(CurrentSheet);
                }
                else if (maintenance.VersionCode == "FM-P0075.17")
                {
                    Biz.AM.Templates.FM_P0075_17 fm = new Biz.AM.Templates.FM_P0075_17();
                    argEx = fm.CheckCurrentSheet(CurrentSheet);
                }
                else
                {
                    throw new ArgumentException($"未适配的点检表编号【{maintenance.VersionCode}】,无法导入!");
                }

                if (argEx != null)
                    throw argEx;

                return maintenance;
                //    int SheetIndex = 0;
                //    bool HasContent = false;
                //ReadSheet:
                //    CurrentSheet = workbook.GetSheetAt(SheetIndex);

                //    try
                //    {
                //        if (SheetCount == 0)
                //        {
                //            throw new ArgumentException("导入的点检表文件出错,文件中无内容!");
                //        }

                //        CurrentSheet = workbook.GetSheet("Table2");
                //        if (CurrentSheet == null)
                //        {
                //            throw new ArgumentException("导入的点检表文件出错,当前文件中不存在【Table2】的Sheet页!");
                //        }


                //        // 获取页眉
                //        if (CurrentSheet != null && CurrentSheet.Header != null)
                //        {
                //            Tuple<string, string, string> tuple = GetPageHeadVersionInfo(CurrentSheet);
                //            maintenance = new MaintenanceFormVersionInfo();
                //            maintenance.FormName = tuple.Item1;
                //            maintenance.VersionCode = tuple.Item2;
                //            maintenance.VersionRev = tuple.Item3;
                //        }



                //        return maintenance;
                //    }
                //    catch (Exception)
                //    {
                //        if (SheetIndex < SheetCount - 1)
                //        {
                //            SheetIndex++;
                //            goto ReadSheet;
                //        }

                //        throw;
                //    }
            }
            catch (Exception)
            {
                throw;
            }
        }

        /// <summary>
        /// 获取页眉右侧单元格
        /// </summary>
        /// <param name="CurrentSheet"></param>
        /// <returns></returns>
        private Tuple<string, string, string> GetPageHeadVersionInfo(ISheet CurrentSheet)
        {
            try
            {
                Func<string, string, string> func = (s1, s2) =>
                  {
                      if (s2.IsNull())
                          s2 = "&\"\\S*?\"";

                      string s3 = System.Text.RegularExpressions.Regex.Replace(s1, s2, string.Empty);
                      return s3;
                  };

                //文档名称
                string FormName = CurrentSheet.Header.Center;
                if (!FormName.IsNull())
                    FormName = func(FormName, null).Trim();

                if (FormName.IsNull())
                {
                    throw new Exception("操作失败，点检表名称不能为空!");
                }

                if (FormName.Length > 100)
                {
                    throw new Exception("操作失败，点检表名称长度超限，最大长度为100字!");
                }

                string VersionInfo = CurrentSheet.Header.Right;
                if (!VersionInfo.IsNull())
                {
                    string[] infs = func(VersionInfo, null).Split(new[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
                    if (infs.Length == 3)
                    {
                        string VersionCode = infs[0].Trim().ToUpper();
                        if (VersionCode.IsNull())
                        {
                            throw new Exception("操作失败，点检表编码版本不能为空!");
                        }

                        if (VersionCode != txtVersion.EditValue + "")
                        {
                            throw new Exception("操作失败，点检表编码版本与选定的编码版本不一致!");
                        }

                        string VersionRev = func(infs[1].Replace("：", ":"), "Rev版本:(\\s{0,})").Trim();
                        if (VersionRev.IsNull())
                        {
                            throw new Exception("操作失败，点检表Rev版本不能为空!");
                        }

                        if (VersionRev.Length > 50)
                        {
                            throw new Exception("操作失败，点检表Rev版本长度不能超出50个字符!");
                        }

                        return Tuple.Create(FormName, VersionCode, VersionRev);
                    }
                    else
                    {
                        throw new Exception("操作失败，点检表文档页眉编号或点检表版本读取失败,格式不正确!");
                    }
                }
                else
                {
                    throw new Exception("操作失败，点检表中未检测到页眉数据！!");
                }
            }
            catch (Exception)
            {

                throw;
            }
        }

        /// <summary>
        /// 点检表校验
        /// </summary>
        /// <param name="FilePath"></param>
        private void VerifyFile(string FilePath)
        {
            try
            {

            }
            catch (Exception)
            {

                throw;
            }
        }


    }
}