using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AutoMapper;
using DTO;
using IServices;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.EntityFrameworkCore;
using zhengcaioa.Models;



namespace Services
{
   public class AdmGoodsManageService: IAdmGoodsManageService
    {
        private readonly zhengcaioaContext _context;
        private readonly IMapper _mapper;
        public AdmGoodsManageService(zhengcaioaContext context, IMapper mapper)
        {
            _context = context;
            _mapper = mapper;
        }
        public ResultEntity save(AdmGoodsManageDTO dto)
        {
            ResultEntity resultEntity = new ResultEntity();
            try
            {
                var checkUserSn = _context.AdmGoodsManages.Where(x => x.GoodsName == dto.GoodsName && x.RecStatus == "A" && x.Id != dto.Id).FirstOrDefault();
                if (checkUserSn != null && (string.IsNullOrWhiteSpace(dto.Id) || (!string.IsNullOrWhiteSpace(dto.Id) && checkUserSn.Id != dto.Id)))
                {
                    resultEntity.Result = false;
                    resultEntity.Message = "物品名称重复";
                    return resultEntity;
                }

                var entity = _mapper.Map<AdmGoodsManage>(dto);


                if (String.IsNullOrEmpty(entity.Id))
                {
                    entity.Id = Guid.NewGuid().ToString();
                    entity.GoodsLeft = entity.GoodsNum;
                    _context.AdmGoodsManages.Add(entity);
                }
                else
                {
                    var updateproject = _context.AdmGoodsManages.Find(entity.Id);

                    updateproject.ClassifyId = entity.ClassifyId;
                    updateproject.GoodsName = entity.GoodsName;
                    updateproject.ISBN = entity.ISBN;
                    
                    if (entity.GoodsPrice.HasValue)
                    {
                        updateproject.GoodsPrice = entity.GoodsPrice;
                    }
                    if (entity.GoodsNum.HasValue)
                    {
                        updateproject.GoodsNum = entity.GoodsNum;
                    }
                    if (entity.GoodsLeft.HasValue)
                    {
                        updateproject.GoodsLeft = entity.GoodsLeft;
                    }
                 
                    updateproject.GoodsStatus = entity.GoodsStatus;
                    updateproject.HaocaiStatus = entity.HaocaiStatus;


                    updateproject.RecStatus = entity.RecStatus;
                    updateproject.Modifier = entity.Modifier;
                    updateproject.Modifytime = entity.Modifytime;

                }

                _context.SaveChanges();
                resultEntity.ReturnID = entity.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 AdmGoodsManageDTO Get(string id)
        {

            var entity = _context.AdmGoodsManages.Find(id);

            if (entity.RecStatus != "A")
            {
                entity = new AdmGoodsManage();
            }

            var result = _mapper.Map<AdmGoodsManageDTO>(entity);


            return result;
        }

        public ResultDataEntity<AdmGoodsManageDTO> SearchByPaging(AdmGoodsManageDTOSearch searchEntity)
        {



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



            var listCode = (from a in _context.SysCodeDtls
                            join b in _context.SysCodes
                            on a.CodeId equals b.Id
                            where a.RecStatus == "A"
                                          && b.RecStatus == "A"
                            select new CodeDataEntity()
                            {
                                CodeId = b.Id,
                                CodeTable = b.CodeTable,
                                CodeField = b.CodeField,
                                CodeSn = a.CodeSn,
                                Comments = a.Comments,
                                Contents = a.Contents,
                                RecStatus = a.RecStatus,
                                Sort = a.Sort
                            }
                               );

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


                         join e in listCode.Where(x => x.CodeTable == "adm_goods_manage" && x.CodeField == "goods_status")
                        on a.GoodsStatus equals e.CodeSn
                        into esssss
                         from eee in esssss.DefaultIfEmpty()




                         join g in _context.AdmGoodsClassifies.Where(x => x.RecStatus == "A")
                          on a.ClassifyId equals g.Id
                         into gsss
                         from ggg in gsss.DefaultIfEmpty()

                         where a.RecStatus == "A"
                          
                          && (string.IsNullOrWhiteSpace(searchEntity.ClassifyId) || a.ClassifyId == searchEntity.ClassifyId.Trim())
                             && (string.IsNullOrWhiteSpace(searchEntity.GoodsStatus) || a.GoodsStatus == searchEntity.GoodsStatus.Trim())
                          && (string.IsNullOrWhiteSpace(searchEntity.GoodsName) || a.Id == searchEntity.GoodsName.Trim())
                           





                         select new AdmGoodsManageDTO
                         {
                             Id = a.Id,
                             ClassifyId = a.ClassifyId,
                             GoodsStatusName = eee.Comments,
                             ClassifyName = ggg.ClassifyName,
                             GoodsPrice = a.GoodsPrice ?? 0,
                             GoodsNum = a.GoodsNum ?? 0,
                             // DocContent = a.DocContent,
                             GoodsLeft = a.GoodsLeft,
                             GoodsStatus = a.GoodsStatus,
                             HaocaiStatus = a.HaocaiStatus,
                             GoodsName = a.GoodsName,
                             ISBN = a.ISBN,






                             Creater = a.Creater,
                             Createtime = a.Createtime,

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

                         }
                ).OrderByDescending(x => x.Modifytime).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;
        }






        /// <summary>
        /// 修改主表状态
        /// </summary>
        /// <param name="id">主id</param>
        /// <param name="userid">用户</param>
        /// <returns></returns>
        public ResultEntity ModifyStatus(string id, string userid)
        {
            ResultEntity result = new ResultEntity();
            result.Result = true;

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

            return result;
        }


        /// <summary>
        /// 获取所有有效角色
        /// </summary>
        /// <returns></returns>
        public List<AdmGoodsManageDTO> GetList(string ClassifyId = "")
        {


            var listRole = _context.AdmGoodsManages.Where(r => r.RecStatus == "A").OrderBy(x => x.GoodsName).ToList();
            if (!string.IsNullOrEmpty(ClassifyId))
            {
                listRole = listRole.Where(x => x.ClassifyId == ClassifyId).ToList();
            }

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