using System;

using System.Data.Common;



using UniqueStudio.ComContent.DAL;

using UniqueStudio.ComContent.Model;

using UniqueStudio.Common.ErrorLogging;

using UniqueStudio.Common.Exceptions;

using UniqueStudio.Common.Utilities;



namespace UniqueStudio.ComContent.BLL

{

    public class AutoSaveManager

    {

        //

        // !!! ??????????

        //



        private static AutoSaveProvider provider = new AutoSaveProvider();



        public AutoSaveManager()

        {



        }



        /// <summary>

        /// ??????

        /// </summary>

        /// <param name="userID">??ID</param>

        /// <param name="post">????</param>

        /// <returns>????????</returns>

        public bool AutoSavePost(Guid userID, PostInfo post)

        {

            if (post.Title == null)

            {

                post.Title = string.Empty;

            }

            if (post.SubTitle == null)

            {

                post.SubTitle = string.Empty;

            }

            if (post.Author == null)

            {

                post.Author = string.Empty;

            }

            if (post.AddUserName == null)

            {

                post.AddUserName = string.Empty;

            }

            if (post.Summary == null)

            {

                post.Summary = string.Empty;

            }

            if (post.Content.Trim().ToString() == "")

            {

                return false;

            }



            try

            {

                long userUri = Convert.ToInt64("6" + DateTime.Now.ToString("yyyyMMddHHmmss"));

                return provider.AutoSaveFile(userID, post, userUri);

            }

            catch (Exception ex)

            {

                ErrorLogger.LogError(ex);

                return false;

            }

        }



        /// <summary>

        /// ????????????????????

        /// </summary>

        /// <param name="userID">??ID</param>

        /// <returns>?????????</returns>

        public PostInfo GetAutoSavedPost(Guid userID)

        {

            Validator.CheckGuid(userID, "userID");



            try

            {

                return provider.GetAutoSavedPost(userID);

            }

            catch (DbException ex)

            {

                ErrorLogger.LogError(ex);

                throw new DatabaseException();

            }

            catch (Exception ex)

            {

                ErrorLogger.LogError(ex);

                throw new UnhandledException();

            }

        }



        /// <summary>

        /// 

        /// </summary>

        /// <param name="userId"></param>

        /// <returns></returns>

        public bool IsPostSaved(Guid userId)

        {

            Validator.CheckGuid(userId, "userId");



            try

            {

                return provider.IsPostSaved(userId);

            }

            catch (DbException ex)

            {

                ErrorLogger.LogError(ex);

                throw new DatabaseException();

            }

            catch (Exception ex)

            {

                ErrorLogger.LogError(ex);

                throw new UnhandledException();

            }

        }



        /// <summary>

        /// ????????????

        /// </summary>

        /// <param name="userID">??ID</param>

        /// <param name="isEffictive">????</param>

        /// <returns>??????</returns>

        public bool SetAutoSaveFileEft(Guid userID, bool isEffictive)

        {

            try

            {

                return provider.SetAutoSavePostEft(userID, isEffictive);

            }

            catch (DbException ex)

            {

                ErrorLogger.LogError(ex);

                throw new DatabaseException();

            }

            catch (Exception ex)

            {

                ErrorLogger.LogError(ex);

                throw new UnhandledException();

            }

        }

    }

}