using AutoMapper;
using DTO;
using DTO.Models;
using IServices;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using zhengcaioa.IService;
using zhengcaioa.Models;


namespace Services
{
    public class SysAttachmentService: ISysAttachmentService
    {
        private readonly zhengcaioaContext _context;
        private readonly IMapper _mapper;
        public SysAttachmentService(zhengcaioaContext context, IMapper mapper)
        {
            _context = context;
            _mapper = mapper;
        }
        public ResultEntity save(SysAttachmentDTO dto)
        {
            ResultEntity resultEntity = new ResultEntity();
            try
            {
                var model = _mapper.Map<SysAttachment>(dto);
                if (String.IsNullOrEmpty(model.Id))
                {
                    model.Id = Guid.NewGuid().ToString();
                    _context.SysAttachments.Add(model);
                }
                else
                {
                    var updateSysAttachment = _context.SysAttachments.Find(model.Id);
                    updateSysAttachment.AttObj = model.AttObj;
                    updateSysAttachment.AttObjid = model.AttObjid;
                    updateSysAttachment.Filefullname = model.Filefullname;
                    updateSysAttachment.Filepath = model.Filepath;
                    


                    updateSysAttachment.RecStatus = model.RecStatus;
                    // updateSysAttachment.Creater = SysAttachment.Creater;
                    //updateSysAttachment.Createtime = SysAttachment.Createtime;
                    updateSysAttachment.Modifier = model.Modifier;
                    updateSysAttachment.Modifytime = model.Modifytime;

                }

              var ii =  _context.SaveChanges();
                resultEntity.ReturnID = model.Id;
                resultEntity.Result = true;
            }
            catch (Exception ex)
            {
                resultEntity.Result = false;
                resultEntity.Message = "保存失败，请联系管理员";

            }
            return resultEntity;
        }

        public SysAttachmentDTO Get(string id)
        {
            SysAttachment entity = _context.SysAttachments.Find(id);
            if (entity.RecStatus != "A")
            {
                entity = new SysAttachment();
            }

            var SysAttachmentDTO = _mapper.Map<SysAttachmentDTO>(entity);
            return SysAttachmentDTO;
        }

        public ResultDataEntity<SysAttachmentDTO> SearchByPaging(SysAttachmentDTOSearch searchEntity)
        {



            ResultDataEntity<SysAttachmentDTO> data = new ResultDataEntity<SysAttachmentDTO>();
            List<SysAttachmentDTO> list = new List<SysAttachmentDTO>();




            
           
            ///SysAttachments
            var query = (from a in _context.SysAttachments






 


                         where a.RecStatus == "A"
                         
                            && (string.IsNullOrWhiteSpace(searchEntity.AttObjid) || a.AttObjid == searchEntity.AttObjid.Trim())
                             && (string.IsNullOrWhiteSpace(searchEntity.AttObj) || a.AttObj == searchEntity.AttObj.Trim())

                               


                         select new SysAttachmentDTO
                         {
                             Id = a.Id,

                             AttObjid = a.AttObjid ,
                             AttObj = a.AttObj,
                            
                             Filefullname = a.Filefullname,
                             Filepath = a.Filepath,
                             
                             Creater = a.Creater,
                             Createtime = a.Createtime,

                             RecStatus = a.RecStatus,
                             Modifier = a.Modifier,
                             Modifytime = a.Modifytime,

                         }
                ).OrderByDescending(x => x.Createtime).ToList();



            //if (searchEntity.totalrows == 0)
                searchEntity.totalrows = query.Count();
            var lianlist = query.Skip((searchEntity.page - 1) * searchEntity.rows).Take(searchEntity.rows).ToList();
            data.LoadData(searchEntity, lianlist);
            return data;
        }

        public ResultEntity ModifyStatus(string id, string userid)
        {

            ResultEntity result = new ResultEntity();
            result.Result = true;

            var model = _context.SysAttachments.Find(id);
            if (model != null)
            {
                model.RecStatus = "D";
                model.Modifier = userid;
                model.Modifytime = DateTime.Now;
                _context.SaveChanges();
            }

            return result;
        }



        /// <summary>
        /// 获取所有有效流程类型
        /// </summary>
        /// <returns></returns>
        public List<SysAttachmentDTO> GetList()
        {


            var listRole = _context.SysAttachments.Where(r => r.RecStatus == "A").ToList();

            var list = _mapper.Map<List<SysAttachmentDTO>>(listRole);
            return list;
        }
    }
}