using DS.Module.Core;
using DS.Module.Core.Data;
using DS.Module.Core.Helpers;
using DS.Module.SqlSugar;
using DS.Module.UserModule;
using DS.WMS.Core.TaskPlat.Dtos;
using DS.WMS.Core.TaskPlat.Entity;
using DS.WMS.Core.TaskPlat.Interface;
using Mapster;
using Masuit.Tools.Systems;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using SqlSugar;
using System.Runtime.InteropServices;

namespace DS.WMS.Core.TaskPlat.Method
{
    public class TaskManageService : ITaskManageService
    {
        private readonly ILogger<TaskManageService> _logger;
        private readonly IUser user;
        private readonly ISaasDbService saasDbService;
        private readonly IServiceProvider serviceProvider;
        private readonly IWebHostEnvironment environment;

        public TaskManageService(ILogger<TaskManageService> logger,
                                 ISaasDbService saasDbService,
                                 IServiceProvider serviceProvider,
                                 IUser user,
                                 IWebHostEnvironment environment)
        {
            _logger = logger;
            this.saasDbService = saasDbService;
            this.serviceProvider = serviceProvider;
            this.user = user;
            this.environment = environment;
        }

        public async Task<DataResult> InitTaskJob(TaskManageOrderMessageInfo info, IFormFile file = null, IFormFile modifyFile = null)
        {
            string batchNo = Guid.NewGuid().ToString();
            try
            {
                _logger.LogInformation("批次={no} 接收到创建任务报文 报文={msg}", batchNo, JsonConvert.SerializeObject(info));

                SqlSugarScopeProvider tenantDb = saasDbService.GetBizDbScopeById(user.TenantId);

                var taskInfo = await tenantDb.Queryable<TaskBaseInfo>()
                                       .OrderByDescending(a => a.CreateTime)
                                       .FirstAsync(t => t.OUT_BUSI_NO == $"{info.Head.SenderId}_{info.Head.GID}");

                _logger.LogInformation("批次={no} 接收到创建任务报文 结束查询任务 {msg}", batchNo, taskInfo == null ? "不存在" : "存在");

                /*
                    只要任务最后一次处理任务的状态是已取消、已完成，就可以重入新的任务
                    */
                if (taskInfo != null && taskInfo.STATUS != TaskStatusEnum.Cancel.ToString() && taskInfo.STATUS != TaskStatusEnum.Complete.ToString())
                {
                    _logger.LogInformation("批次={no} 状态已存在，不能重复创建任务 status={status}", batchNo, taskInfo.STATUS);

                    //throw new Exception($"状态已存在，不能重复创建任务");
                }

                //如果文件路径不为空 判断文件是否真实存在
                if (!string.IsNullOrWhiteSpace(info.Main.FilePath) && !File.Exists(info.Main.FilePath))
                {
                    throw new Exception(string.Format("{0}文件不存在", info.Main.FilePath));
                }

                //如果文件路径不为空 判断文件是否真实存在
                if (!string.IsNullOrWhiteSpace(info.Main.ModifyFile) && !File.Exists(info.Main.ModifyFile))
                {
                    throw new Exception(string.Format("{0}文件不存在", info.Main.ModifyFile));
                }

                taskInfo = new TaskBaseInfo
                {
                    Id = SnowFlakeSingle.Instance.NextId(),
                    STATUS = TaskStatusEnum.Create.ToString(),
                    IS_EXCEPT = 0,
                    IS_COMPLETE = 0,
                    MBL_NO = info.Main.MBlNo,
                    TASK_BASE_TYPE = info.Main.TaskType.ToString(),
                    CARRIER_ID = info.Main.CarrierId?.Trim(),
                    IS_PUBLIC = string.IsNullOrWhiteSpace(info.Main.TaskUserId) ? 1 : 0,
                    BOOK_ORDER_NO = info.Main.BookingOrderNo,
                    OUT_BUSI_NO = $"{info.Head.SenderId}_{info.Head.GID}",
                    TASK_TITLE = info.Main.TaskTitle,
                    TASK_DESP = info.Main.TaskDesp,
                    TASK_SOURCE = info.Main.TaskSource.ToString(),
                    TASK_TYPE = info.Main.TaskType.ToString(),
                    VESSEL_VOYNO = info.Main.VesselVoyno?.Trim(),
                    CONTA_INFO = info.Main.ContaInfo,
                    TASK_REQ_USERNAME = info.Main.TaskUserName,
                    YARD_NAME = info.Main.YardName,
                    ETD = info.Main.ETD,
                    CUSTOMER_ID = info.Main.CustomerId,
                    CUSTOMER_NAME = info.Main.CustomerName,
                    BATCH_STATIC = info.Main.BatchStatic,
                    DJYUserId = info.Head.DJYUserId,

                };
                long taskReqUserId = 0;

                if (!string.IsNullOrWhiteSpace(info.Main.TaskUserId))
                {
                    if (long.TryParse(info.Main.TaskUserId, out taskReqUserId))
                    {
                        taskInfo.TASK_REQ_USERID = taskReqUserId;
                    }
                }

                // 忽略
                taskInfo.CreateBy = long.Parse(user.UserId);
                taskInfo.CreateTime = DateTime.Now;

                //taskInfo.CreatedUserId = userTendInfo.userId;
                //taskInfo.CreatedUserName = userTendInfo.userName;
                //taskInfo.TenantId = userTendInfo.tendId;
                //taskInfo.TenantName = userTendInfo.tenantName;

                if (info.Main.TaskType == TaskBaseTypeEnum.TRUCK_DISPATCH || info.Main.TaskType == TaskBaseTypeEnum.CAUTION_NOTICE)
                {
                    taskInfo.IS_PUBLIC = 0;
                }
                else
                {
                    taskInfo.IS_PUBLIC = 1;
                }
                _logger.LogInformation("批次={no} 获取登录人详情 userid={userid} UserId={UserId}", batchNo,
                        info.Main.RecvUserId,
                       user.UserId);

                if (info.Main != null && info.Main.TruckInfo != null && info.Main.TruckInfo.NeedArriveTime.HasValue)
                {
                    taskInfo.NeedArriveTime = info.Main.TruckInfo.NeedArriveTime;
                }

                await tenantDb.Insertable(taskInfo).ExecuteCommandAsync();

                if (!string.IsNullOrWhiteSpace(info.Main.FilePath))
                {
                    string attachFileType = string.Empty;
                    string fileCategory = string.Empty;

                    if (TaskBaseTypeEnum.BC.ToString() == taskInfo.TASK_BASE_TYPE)
                    {
                        attachFileType = "bcfiles";

                        fileCategory = TaskFileCategoryEnum.BC.ToString();
                    }
                    else if (TaskBaseTypeEnum.BC_MODIFY.ToString() == taskInfo.TASK_BASE_TYPE)
                    {
                        attachFileType = "bcmodifyfiles";

                        fileCategory = TaskFileCategoryEnum.BC_MODIFY.ToString();
                    }
                    else if (TaskBaseTypeEnum.CANCELLATION.ToString() == taskInfo.TASK_BASE_TYPE)
                    {
                        attachFileType = "bccancelfiles";

                        fileCategory = TaskFileCategoryEnum.BC_CANCEL.ToString();
                    }
                    else if (TaskBaseTypeEnum.DRAFT.ToString() == taskInfo.TASK_BASE_TYPE)
                    {
                        attachFileType = "draftfiles";

                        fileCategory = TaskFileCategoryEnum.DRAFT.ToString();
                    }
                    else if (TaskBaseTypeEnum.SI_FEEDBACK.ToString() == taskInfo.TASK_BASE_TYPE)
                    {
                        attachFileType = "sisubmittedfiles";

                        fileCategory = TaskFileCategoryEnum.SI_SUBMITTED.ToString();
                    }
                    else if (TaskBaseTypeEnum.ROUTE_CUT_CHANGE.ToString() == taskInfo.TASK_BASE_TYPE)
                    {
                        attachFileType = "advisoryfiles";

                        fileCategory = TaskFileCategoryEnum.ADVISORY.ToString();
                    }

                    if (info.Main.FileList == null)
                    {
                        info.Main.FileList = new List<TaskManageOrderFileInfo>();
                    }
                    info.Main.FileList.Add(new TaskManageOrderFileInfo
                    {
                        PKId = SnowFlakeSingle.Instance.NextId(),
                        FileName = Path.GetFileName(info.Main.FilePath),
                        FileType = Path.GetExtension(info.Main.FilePath).ToLower(),
                        FilePath = info.Main.FilePath,
                        FileCategory = fileCategory
                    });

                }
                else
                {
                    if (file != null)
                    {
                        var bytes = file.ToByteArray();

                        string attachFileType = string.Empty;
                        string fileCategory = string.Empty;

                        if (TaskBaseTypeEnum.BC.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "bcfiles";

                            fileCategory = TaskFileCategoryEnum.BC.ToString();
                        }
                        else if (TaskBaseTypeEnum.BC_MODIFY.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "bcmodifyfiles";

                            fileCategory = TaskFileCategoryEnum.BC_MODIFY.ToString();
                        }
                        else if (TaskBaseTypeEnum.CANCELLATION.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "bccancelfiles";

                            fileCategory = TaskFileCategoryEnum.BC_CANCEL.ToString();
                        }
                        else if (TaskBaseTypeEnum.DRAFT.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "draftfiles";

                            fileCategory = TaskFileCategoryEnum.DRAFT.ToString();
                        }
                        else if (TaskBaseTypeEnum.SI_FEEDBACK.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "sisubmittedfiles";

                            fileCategory = TaskFileCategoryEnum.SI_SUBMITTED.ToString();
                        }
                        else if (TaskBaseTypeEnum.ROUTE_CUT_CHANGE.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "advisoryfiles";

                            fileCategory = TaskFileCategoryEnum.ADVISORY.ToString();
                        }

                        var fileFullName = await SaveFile(bytes,
                                                        batchNo,
                                                        GetFileType(file.FileName),
                                                        attachFileType);

                        if (!string.IsNullOrWhiteSpace(fileFullName))
                        {
                            if (info.Main.FileList == null)
                            {
                                info.Main.FileList = new List<TaskManageOrderFileInfo>();
                            }

                            info.Main.FileList.Add(new TaskManageOrderFileInfo
                            {
                                PKId = SnowFlakeSingle.Instance.NextId(),
                                FileName = file.FileName,
                                FileType = Path.GetExtension(file.FileName).ToLower(),
                                FilePath = fileFullName,
                                FileCategory = fileCategory
                            });
                        }
                    }
                }

                if (!string.IsNullOrWhiteSpace(info.Main.ModifyFile))
                {

                    string fileCategory = string.Empty;

                    if (TaskBaseTypeEnum.BC.ToString() == taskInfo.TASK_BASE_TYPE)
                        fileCategory = TaskFileCategoryEnum.BC_NOTICE.ToString();

                    else if (TaskBaseTypeEnum.BC_MODIFY.ToString() == taskInfo.TASK_BASE_TYPE)
                        fileCategory = TaskFileCategoryEnum.BC_MODIFY_NOTICE.ToString();

                    else if (TaskBaseTypeEnum.CANCELLATION.ToString() == taskInfo.TASK_BASE_TYPE)
                        fileCategory = TaskFileCategoryEnum.BC_CANCEL_NOTICE.ToString();

                    else if (TaskBaseTypeEnum.DRAFT.ToString() == taskInfo.TASK_BASE_TYPE)
                        fileCategory = TaskFileCategoryEnum.DRAFT_NOTICE.ToString();

                    if (info.Main.FileList == null)
                        info.Main.FileList = new List<TaskManageOrderFileInfo>();

                    info.Main.FileList.Add(new TaskManageOrderFileInfo
                    {
                        PKId = SnowFlakeSingle.Instance.NextId(),
                        FileName = Path.GetFileName(info.Main.ModifyFile),
                        FileType = Path.GetExtension(info.Main.ModifyFile).ToLower(),
                        FilePath = info.Main.FilePath,
                        FileCategory = fileCategory
                    });
                }
                else
                {
                    if (modifyFile != null)
                    {
                        var bytes = modifyFile.ToByteArray();

                        string attachFileType = string.Empty;
                        string fileCategory = string.Empty;

                        if (TaskBaseTypeEnum.BC.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "bcnoticefiles";

                            fileCategory = TaskFileCategoryEnum.BC_NOTICE.ToString();

                        }
                        else if (TaskBaseTypeEnum.BC_MODIFY.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "bcmodifynoticefiles";

                            fileCategory = TaskFileCategoryEnum.BC_MODIFY_NOTICE.ToString();
                        }
                        else if (TaskBaseTypeEnum.CANCELLATION.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "bccancelnoticefiles";

                            fileCategory = TaskFileCategoryEnum.BC_CANCEL_NOTICE.ToString();
                        }
                        else if (TaskBaseTypeEnum.DRAFT.ToString() == taskInfo.TASK_BASE_TYPE)
                        {
                            attachFileType = "draftnoticefiles";

                            fileCategory = TaskFileCategoryEnum.DRAFT_NOTICE.ToString();
                        }

                        var noExtensionFileName = Path.GetFileNameWithoutExtension(modifyFile.FileName);
                        var fileFullName = await SaveFile(bytes,
                                                          batchNo,
                                                          GetFileType(modifyFile.FileName),
                                                          attachFileType);

                        if (!string.IsNullOrWhiteSpace(fileFullName))
                        {
                            if (info.Main.FileList == null)
                            {
                                info.Main.FileList = new List<TaskManageOrderFileInfo>();
                            }

                            info.Main.FileList.Add(new TaskManageOrderFileInfo
                            {
                                PKId = SnowFlakeSingle.Instance.NextId(),
                                FileName = modifyFile.FileName,
                                FileType = Path.GetExtension(modifyFile.FileName).ToLower(),
                                FilePath = fileFullName,
                                FileCategory = fileCategory
                            });
                        }
                    }
                }

                #region 附件
                //附件
                if (info.Main.FileList != null && info.Main.FileList.Count > 0)
                {
                    info.Main.FileList.ForEach(async file =>
                    {
                        var fileInfo = new TaskFileInfo();

                        fileInfo.Id = SnowFlakeSingle.Instance.NextId();
                        fileInfo.TASK_PKID = taskInfo.Id;

                        fileInfo.CreateBy = taskInfo.CreateBy;
                        fileInfo.CreateTime = taskInfo.CreateTime;

                        //fileInfo.CreatedUserName = taskInfo.CreatedUserName;
                        //fileInfo.TenantId = taskInfo.TenantId;
                        //fileInfo.TenantName = taskInfo.TenantName;

                        fileInfo.FILE_PATH = file.FilePath;
                        fileInfo.FILE_NAME = file.FileName;
                        fileInfo.FILE_TYPE = file.FileType;

                        if (string.IsNullOrWhiteSpace(file.FileCategory))
                        {
                            if (TaskBaseTypeEnum.BC.ToString() == taskInfo.TASK_BASE_TYPE)
                            {
                                fileInfo.FILE_CATEGORY = TaskFileCategoryEnum.BC.ToString();
                                fileInfo.FILE_CATEGORY_NAME = TaskFileCategoryEnum.BC.GetDescription();
                            }
                            else if (TaskBaseTypeEnum.BC_MODIFY.ToString() == taskInfo.TASK_BASE_TYPE)
                            {
                                fileInfo.FILE_CATEGORY = TaskFileCategoryEnum.BC_MODIFY.ToString();
                                fileInfo.FILE_CATEGORY_NAME = TaskFileCategoryEnum.BC_MODIFY.GetDescription();
                            }
                        }
                        else
                        {
                            TaskFileCategoryEnum fileCategoryEnum = TaskFileCategoryEnum.NONE;

                            System.Enum.TryParse(file.FileCategory, out fileCategoryEnum);

                            fileInfo.FILE_CATEGORY = fileCategoryEnum.ToString();
                            fileInfo.FILE_CATEGORY_NAME = fileCategoryEnum.GetDescription();
                        }

                        if (string.IsNullOrWhiteSpace(fileInfo.FILE_NAME))
                        {
                            var fileModel = new FileInfo(file.FilePath);

                            fileInfo.FILE_NAME = fileModel.Name;
                            fileInfo.FILE_TYPE = fileModel.Extension?.Replace(".", "");
                        }

                        await tenantDb.Insertable(fileInfo).ExecuteCommandAsync();
                    });
                }
                #endregion

                #region 邮件
                //邮件
                if (info.Main.EmailList != null && info.Main.EmailList.Count > 0)
                {
                    info.Main.EmailList.ForEach(async email =>
                    {
                        var emailInfo = new TaskEmail();

                        emailInfo.Id = SnowFlakeSingle.Instance.NextId();
                        emailInfo.TASK_PKID = taskInfo.Id;

                        emailInfo.CreateTime = taskInfo.CreateTime;
                        emailInfo.CreateBy = taskInfo.CreateBy;

                        emailInfo.MAIL_PATH = email.MailPath;

                        await tenantDb.Insertable(emailInfo).ExecuteCommandAsync();
                    });
                }
                #endregion


                #region BC 任务
                if (info.Main.TaskType == TaskBaseTypeEnum.BC
                    || info.Main.TaskType == TaskBaseTypeEnum.BC_MODIFY
                    || info.Main.TaskType == TaskBaseTypeEnum.CANCELLATION)
                {
                    //异步写入
                    var bcInfo = info.Main.BCInfo.Adapt<TaskBCInfo>();

                    bcInfo.Id = SnowFlakeSingle.Instance.NextId();
                    bcInfo.TASK_ID = taskInfo.Id;

                    bcInfo.CreateBy = taskInfo.CreateBy;
                    bcInfo.CreateTime = taskInfo.CreateTime;

                    if (info.Main.BCInfo.BookingSlotId.HasValue && info.Main.BCInfo.BookingSlotId.Value > 0)
                        bcInfo.BOOKING_SLOT_ID = info.Main.BCInfo.BookingSlotId.Value;

                    await tenantDb.Insertable(bcInfo).ExecuteCommandAsync();

                    //异步写入集装箱
                    var ctnList = info.Main.BCInfo.CtnList.Select(ctn =>
                    {
                        var bcCtnInfo = ctn.Adapt<TaskBCCTNInfo>();
                        bcCtnInfo.Id = SnowFlakeSingle.Instance.NextId();
                        bcCtnInfo.P_ID = bcInfo.Id;

                        bcInfo.CreateBy = taskInfo.CreateBy;
                        bcInfo.CreateTime = taskInfo.CreateTime;
                        return bcCtnInfo;
                    }).ToList();

                    await tenantDb.Insertable(ctnList).ExecuteCommandAsync();

                    /*
                    BC_MODIFY
                    1、检索对应舱位，提取比对差异结果
                    2、检索舱位对应的订舱信息，如果有则生成用户通知邮件
                    3、推送钉钉消息@操作人 通知收到变更
                    CANCELLATION
                    1、检索舱位对应的订舱信息，如果有则生成用户通知邮件
                    2、推送钉钉消息@操作人 通知收到变更
                    */

                    // 执行自动化操作
                    TaskFlowDataContext dataContext = new(
                        (TaskFlowDataNameConst.TaskManageOrderMessageInfo, info),
                        (TaskFlowDataNameConst.TenantId, long.Parse(user.TenantId))
                    );

                    TaskFlowRuner taskFlow = new TaskFlowRuner(tenantDb, serviceProvider);
                    await taskFlow.Run(info.Main.TaskType, taskInfo.Id, dataContext);

                    if (info.Main.TaskType == TaskBaseTypeEnum.BC)
                    {

                    }
                    else if (info.Main.TaskType == TaskBaseTypeEnum.CANCELLATION)
                    {

                    }
                    else if (info.Main.TaskType == TaskBaseTypeEnum.BC_MODIFY)
                    {

                    }
                }
                #endregion

                var taskNo = await tenantDb.Queryable<TaskBaseInfo>().Where(a => a.Id == taskInfo.Id).Select(a => a.TASK_NO).FirstAsync();
                //回写任务号
                var result = new DataResult(ResultCode.Success, "新增任务成功", data: taskNo);

                return await Task.FromResult(result);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "任务台：初始化任务的过程中发生未知异常，批次号={no}", batchNo);
                return DataResult.Failed(ex.Message);
            }
        }


        #region 私有方法
        static object? GetNestedDynamicPropertyValue(dynamic obj, string propertyPath)
        {
            var properties = propertyPath.Split('.');
            dynamic currentObj = obj;
            foreach (var property in properties)
            {
                if (currentObj is IDictionary<string, object> dictionary)
                {
                    if (dictionary.TryGetValue(property, out var value))
                    {
                        currentObj = value;
                    }
                    else
                    {
                        return null;
                    }
                }
                else
                {
                    return null;
                }
            }
            return currentObj;
        }

        /// <summary>
        /// 保存文件并返回文件完整路径
        /// </summary>
        /// <param name="fileBytes">文件二进制流</param>
        /// <param name="batchNo">批次号</param>
        /// <param name="printFileType">文件类型</param>
        /// <param name="attachFileType">附件类型 bcfiles-BC文件 sofile-订舱附件</param>
        /// <returns>返回文件完整路径</returns>
        private async Task<string> SaveFile(byte[] fileBytes, string batchNo,
            PrintFileTypeEnum printFileType, string attachFileType = "sofiles")
        {
            var basePath = AppSetting.app(new string[] { "FileSettings", "BasePath" });
            var relativePath = AppSetting.app(new string[] { "FileSettings", "RelativePath" });

            if (!string.IsNullOrWhiteSpace(attachFileType))
                relativePath += $"\\{attachFileType}";

            string? dirAbs;
            if (string.IsNullOrEmpty(basePath))
            {
                dirAbs = Path.Combine(environment.WebRootPath, relativePath);
            }
            else
            {
                dirAbs = Path.Combine(basePath, relativePath);
            }

            if (!Directory.Exists(dirAbs))
                Directory.CreateDirectory(dirAbs);

            var fileType = string.Empty;
            if (printFileType == PrintFileTypeEnum.PDF)
            {
                fileType = ".pdf";
            }
            else if (printFileType == PrintFileTypeEnum.XLSX)
            {
                fileType = ".xlsx";
            }
            else if (printFileType == PrintFileTypeEnum.DOCX)
            {
                fileType = ".docx";
            }
            else if (printFileType == PrintFileTypeEnum.XLS)
            {
                fileType = ".xls";
            }
            else if (printFileType == PrintFileTypeEnum.DOC)
            {
                fileType = ".doc";
            }

            var id = SnowFlakeSingle.Instance.NextId();
            var fileSaveName = $"{id}{fileType}".ToLower();

            string fileRelaPath = Path.Combine(relativePath, fileSaveName).ToLower();
            string fileAbsPath = Path.Combine(dirAbs, fileSaveName).ToLower();

            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
            {
                relativePath = relativePath.Replace("\\", "/");
                fileRelaPath = fileRelaPath.Replace("\\", "/");
                fileAbsPath = fileAbsPath.Replace("\\", "/");
            }

            _logger.LogInformation("批次={no} 生成文件保存路径完成 路由={filePath} 服务器系统={system}", batchNo, fileRelaPath, RuntimeInformation.OSDescription);

            await File.WriteAllBytesAsync(fileAbsPath, fileBytes);

            string bookFilePath;
            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
            {
                bookFilePath = System.Text.RegularExpressions.Regex.Match(fileAbsPath, relativePath.Replace("/", "\\/") + ".*").Value;
            }
            else
            {
                bookFilePath = System.Text.RegularExpressions.Regex.Match(fileAbsPath, relativePath.Replace("\\", "\\\\") + ".*").Value;
            }

            return bookFilePath;
        }

        /// <summary>
        /// 获取文件类型
        /// </summary>
        /// <param name="fileName">文件完成路径</param>
        /// <returns>返回文件类型枚举</returns>
        private PrintFileTypeEnum GetFileType(string fileName)
        {
            PrintFileTypeEnum fileType = PrintFileTypeEnum.PDF;

            switch (Path.GetExtension(fileName).ToLower())
            {
                case ".pdf":
                    fileType = PrintFileTypeEnum.PDF;
                    break;
                case ".xlsx":
                    fileType = PrintFileTypeEnum.XLSX;
                    break;
                case ".docx":
                    fileType = PrintFileTypeEnum.DOCX;
                    break;
                case ".xls":
                    fileType = PrintFileTypeEnum.XLS;
                    break;
                case ".doc":
                    fileType = PrintFileTypeEnum.DOC;
                    break;
            }

            return fileType;
        }

        #endregion
    }
}