using YLErp.Helpers;

namespace YLErp.Modules.TempFilesModule
{
    public class TempFilesService : YLBaseService
    {
        public TempFilesService(OptUserInfo optUser) : base(optUser)
        {
        }

        /// <summary>
        /// 可以查看所有文件
        /// </summary>
        public bool QueryAllFile { get; set; }

        /// <summary>
        /// 查询已上传的文件
        /// </summary>
        /// <param name="fileTypes"></param>
        /// <param name="createDateStart"></param>
        /// <param name="createDateEnd"></param>
        /// <returns></returns>
        public List<tempfile> QueryTempFile(DateTime createDate, params string[] fileTypes)
        {
            return QueryTempFileFromDb(createDate, createDate, fileTypes).OrderByDescending(O => O.optDate).ToList();
        }

        /// <summary>
        /// 查询已上传的文件
        /// </summary>
        /// <param name="fileTypes"></param>
        /// <param name="createDateStart"></param>
        /// <param name="createDateEnd"></param>
        /// <returns></returns>
        public List<tempfile> QueryTempFile(DateTime createDateStart, DateTime createDateEnd, params string[] fileTypes)
        {
            return QueryTempFileFromDb(createDateStart, createDateEnd, fileTypes).ToList();
        }

        /// <summary>
        /// 查询已上传的文件
        /// </summary>
        /// <param name="fileTypes"></param>
        /// <param name="createDateStart"></param>
        /// <param name="createDateEnd"></param>
        /// <returns></returns>
        public IQueryable<tempfile> QueryTempFileFromDb(DateTime createDateStart, DateTime createDateEnd, params string[] fileTypes)
        {
            var query = DbContext.tempfiles.Where(O => O.validStatus);
            if (!QueryAllFile && PS.GetErpConfig().NeedIsolateSACInfo)
            {
                query = query.Where(O => O.optUserName == UserName);
            }
            if (fileTypes.Length > 0)
            {
                query = query.Where(O => fileTypes.Contains(O.fileType));
            }
            if (createDateStart > default(DateTime))
            {
                query = query.Where(O => O.createDate >= createDateStart);
            }
            if (createDateEnd > default(DateTime))
            {
                query = query.Where(O => O.createDate <= createDateEnd);
            }
            return query;
        }

        /// <summary>
        /// 保存文件
        /// </summary>
        /// <param name="files"></param>
        public void SaveTempFile(List<tempfile> files)
        {
            foreach (var item in files)
            {
                var query = DbContext.tempfiles.Where(O => O.createDate == item.createDate && O.fileType == item.fileType && O.optUserName == item.optUserName);
                if (item.fileType != "报送模板")
                {
                    query = query.Where(O => O.fileName == item.fileName);
                }
                var delFile = query.ToList();
                if (delFile != null)
                {
                    DbContext.tempfiles.RemoveRange(delFile);
                }
                var f = new tempfile();
                f.createDate = item.createDate;
                f.fileType = item.fileType;
                f.fileName = item.fileName;
                f.filePath = System.IO.Path.Combine(item.filePath, item.fileName);
                f.optDate = item.optDate;
                f.optUserName = item.optUserName;
                f.validStatus = item.validStatus;
                DbContext.tempfiles.Add(f);
            }
            DbContext.SaveChanges();
        }

        /// <summary>
        /// 删除已上传的文件
        /// </summary>
        /// <param name="encryptId"></param>
        public void DeleteTempFile(string encryptId)
        {
            if (string.IsNullOrWhiteSpace(encryptId))
            {
                return;
            }
            int id = DataProtectHelper.DecryptInt(encryptId);
            var query = DbContext.tempfiles.Where(O => O.id == id);
            if (!QueryAllFile)
            {
                query = query.Where(O => O.optUserName == UserName);
            }
            var info = query.FirstOrDefault();
            if (info != null)
            {
                info.validStatus = false;
                DbContext.SaveChanges();
            }
        }
    }
}