using Cksoft.Data;
using DllEapEntity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DllEapDal
{
    public class SupplierDal
    {
        private IDatabase CurrDb;
        public SupplierDal(IDatabase db)
        {
            CurrDb = db;
        }

        public IEnumerable<Supplier> Get(int start, int length, string order, string sort, string filter, string errorinfo)
        {
            var pros = CurrDb.FindListForCondition<Supplier>($" {filter} order by {sort} {order} limit {start - 1},{length}", ref errorinfo);
            return pros;
        }

        public int GetCount(string filter)
        {
            string errorinfo = string.Empty;
            var entities = CurrDb.FindListForCondition<Supplier>(filter, ref errorinfo);
            if (entities != null)
            {
                return entities.Count();
            }
            return 0;
        }

        public Supplier Get(int id)
        {
            var pro = CurrDb.FindEntityFor<Supplier>(id);
            return pro;
        }

        /// <summary>
        /// 添加角色并返回角色Id
        /// </summary>
        /// <param name="role"></param>
        /// <param name="userCode"></param>
        /// <returns></returns>
        public int Add(Supplier pro, string userCode, ref string errorinfo)
        {
            var entities = CurrDb.FindListForCondition<Supplier>($" and a.FCode='{pro.FCode}' ", ref errorinfo);
            if (entities != null && entities.Count() > 0)
            {
                errorinfo = "厂家已存在，请确认";
                return -1;
            }
            pro.RecCode = userCode;
            pro.ModCode = userCode;
            pro.RecTime = DateTime.Now;
            pro.ModTime = pro.RecTime;
            string sql = $"insert into Supplier(FCode,FName,Remark,RecCode,RecTime," +
                $"ModCode,ModTime) values('{pro.FCode}','{pro.FName}','{pro.Remark}','{pro.RecCode}','{pro.RecTime.ToString("yyyy-MM-dd HH:mm:ss")}','{pro.ModCode}','{pro.ModTime.ToString("yyyy-MM-dd HH:mm:ss")}');";
            sql += "select @@identity;";
            var id = Convert.ToInt32(CurrDb.FindList<string>(sql).FirstOrDefault() ?? "-1");
            return id;
        }

        /// <summary>
        /// 待优化  存在删除后不能
        /// </summary>
        /// <param name="role"></param>
        /// <param name="userCode"></param>
        /// <param name="errorinfo"></param>
        /// <returns></returns>
        public int Update(Supplier role, string userCode, ref string errorinfo)
        {
            var entities = CurrDb.FindListForCondition<Supplier>($" and a.FCode='{role.FCode}' " +
                $"and a.ID<>{role.ID}", ref errorinfo);
            if (entities != null && entities.Count() > 0)
            {
                errorinfo = "已存在相同的厂家，请确认";
                return -1;
            }
            if (CurrDb.UpdateFor(role, userCode) < 0)
            {
                return -1;
            }
            return role.ID;
        }

        public int Delete(int id, ref string msg)
        {
            string sql = $"select * from MacModel where SupplierID={id}";
            var macmodels = CurrDb.FindList<MacModel>(sql);
            if (macmodels != null && macmodels.Count() > 0)
            {
                msg = "该厂家有关联的机型未删除，请先删除机型";
                return -1;
            }
            if (CurrDb.DeleteFor<Supplier>(id) < 0)
            {
                msg = "删除失败";
                return -1;
            }
            msg = string.Empty;
            return 1;
        }

        public IEnumerable<Supplier> Get(string filter)
        {
            string error = string.Empty;
            return CurrDb.FindListForCondition<Supplier>(filter, ref error);
        }

        public Supplier AddOrGet(Supplier supplier, string userCode, ref string errorinfo)
        {
            var exist = CurrDb.FindListForCondition<Supplier>($" and a.FCode='{supplier.FCode}'", ref errorinfo)
                .FirstOrDefault();
            if (exist != null)
                return exist;
            var entity = new Supplier { FCode = supplier.FCode, FName = supplier.FName };
            if (CurrDb.InsertFor(entity, userCode) < 0)
            {
                return null;
            }
            exist = CurrDb.FindListForCondition<Supplier>($" and a.FCode='{supplier.FCode}'", ref errorinfo)
                 .FirstOrDefault();
            return exist;
        }
    }
}