using BaseOUDAL;
using YLErp.Model.Enum;

namespace YLErp.Modules.SalesModule
{
    /// <summary>
    /// 销售人员信息服务
    /// </summary>
    public class SalesmenDataService : YLBaseService
    {
        public SalesmenDataService(OptUserInfo userInfo) : base(userInfo)
        {

        }

        public List<Salesman> GetSalesmen()
        {
            var query = from s in DbContext.salesmen
                        where s.Status == 0
                        select s;
            return query.ToList();
        }

        public List<Salesman> GetAllSalesmen()
        {
            var query = from s in DbContext.salesmen
                        select s;
            return query.ToList();
        }

        public List<Salesman> GetSalesmen(List<int> Id)
        {
            var query = from s in DbContext.salesmen
                        where Id.Contains(s.id)
                        select s;
            return query.ToList();
        }

        public Salesman GetSalesman(int Id)
        {
            var query = from s in DbContext.salesmen
                        where s.id == Id
                        select s;
            return query.FirstOrDefault();
        }

        /// <summary>
        /// 
        /// </summary>
        public List<string> GetDepartment()
        {
            var query = (from s in DbContext.salesmen
                         where s.Status == 0
                         select (s.Department)).Distinct();
            return query.ToList();
        }

        /// <summary>
        /// 
        /// </summary>
        public SearchListResult<Salesman> SalesmenQuery(BaseSearchReq req, List<int> ids, List<string> departments)
        {
            var query = from s in DbContext.salesmen
                        select s;

            if (ids != null && ids.Count() > 0)
            {
                query = query.Where(O => ids.Contains(O.id));
            }

            if (departments != null && departments.Count() > 0)
            {
                query = query.Where(O => departments.Contains(O.Department));
            }

            var ret = query.ToList();

            if (string.IsNullOrEmpty(req.sidx))
            {
                req.sidx = "id";
                req.sord = "desc";
            }

            var retListResult = ret.AsQueryable().ToSearchList(req);
            return retListResult;
        }

        public bool SaveSalesman(Salesman salesman)
        {
            Salesman model;
            CheckVaild(salesman);
            if (salesman.id == 0)
            {
                model = new Salesman
                {
                    Name = salesman.Name,
                    Department = salesman.Department,
                    Mail = salesman.Mail,
                    Telephone = salesman.Telephone,
                    Mobile = salesman.Mobile,
                    Status = salesman.Status
                };
                DbContext.salesmen.Add(model);
            }
            else
            {
                model = DbContext.salesmen.Find(salesman.id);

                if (model == null)
                {
                    throw new ServiceException("要更新的数据 已不存在");
                }
                model.Name = salesman.Name;
                model.Department = salesman.Department;
                model.Mail = salesman.Mail;
                model.Telephone = salesman.Telephone;
                model.Mobile = salesman.Mobile;
                model.Status = salesman.Status;
            }
            DbContext.SaveChanges();
            return true;
        }

        private void CheckVaild(Salesman salesman)
        {
            if (string.IsNullOrEmpty(salesman.Name))
            {
                throw new ServiceException("销售员姓名 必须填写");
            }
            if (string.IsNullOrEmpty(salesman.Department))
            {
                throw new ServiceException("销售员部门 必须填写");
            }
        }

        public Salesman GetSalesmanByName(string name)
        {
            var query = from s in DbContext.salesmen
                        where s.Status == 0 && s.Name == name
                        select s;
            return query.FirstOrDefault();
        }

        public IEnumerable<SalesmanBase> GetSalesIdByNames(IEnumerable<string> names)
        {
            if (names == null || !names.Any())
            {
                return Enumerable.Empty<SalesmanBase>();
            }

            var query = from s in DbContext.salesmen
                        where s.Status == 0 && names.Contains(s.Name)
                        select new SalesmanBase
                        {
                            id = s.id,
                            Name = s.Name
                        };

            if (PS.Config.ErpElement.SaleMode == YLErp.Configuration.Enums.SaleMode.CustomerManager)
            {
                using (var db = DbContextFactory.GetErpBaseContext())
                {
                    query = from s in db.SystemUsers
                            where s.State == 0 && names.Contains(s.Name) && (s.AccountPost & (int)AccountPostEnum.客户经理) > 0
                            select new SalesmanBase
                            {
                                id = s.Id,
                                Name = s.Name
                            };
                    return query.ToArray();
                }
            }

            return query.ToArray();
        }

        public IEnumerable<SalesmanBase> GetSalesNamesByIds(List<int> Ids)
        {
            if (Ids == null || !Ids.Any())
            {
                return Enumerable.Empty<SalesmanBase>();
            }

            var query = from s in DbContext.salesmen
                        where s.Status == 0 && Ids.Any(a => a.Equals(s.id))
                        select new SalesmanBase
                        {
                            id = s.id,
                            Name = s.Name
                        };

            return query.ToArray();
        }
    }
}