using System.Linq;
using System.Collections.Generic;

namespace BLL
{
    /// <summary>
    /// 焊材信息设置
    /// </summary>
    public static class WeldInfoService
    {
        /// <summary>
        /// 根据主键获取焊材信息
        /// </summary>
        /// <param name="weldId"></param>
        /// <returns></returns>
        public static Model.Weld_WeldInfo GetWeldInfoById(string weldId)
        {
            return Funs.DB.Weld_WeldInfo.FirstOrDefault(e => e.WeldId == weldId);
        }

        /// <summary>
        /// 添加焊材信息
        /// </summary>
        /// <param name="weld"></param>
        public static void AddWeldInfo(Model.Weld_WeldInfo weld)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Weld_WeldInfo newWeld = new Model.Weld_WeldInfo();
            newWeld.WeldId = weld.WeldId;
            newWeld.WeldCode = weld.WeldCode;
            newWeld.WeldName = weld.WeldName;
            newWeld.WeldSpec = weld.WeldSpec;
            newWeld.WeldTypeId = weld.WeldTypeId;
            newWeld.ConvertValue = weld.ConvertValue;
            newWeld.WarnAmount = weld.WarnAmount;
            newWeld.SteelType = weld.SteelType;
            newWeld.CreateMan = weld.CreateMan;
            db.Weld_WeldInfo.InsertOnSubmit(newWeld);
            db.SubmitChanges();
        }

        /// <summary>
        /// 修改焊材管理
        /// </summary>
        /// <param name="weld"></param>
        public static void UpdateWeldInfo(Model.Weld_WeldInfo weld)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Weld_WeldInfo newWeld = db.Weld_WeldInfo.FirstOrDefault(e => e.WeldId == weld.WeldId);
            if (newWeld != null)
            {
                newWeld.WeldCode = weld.WeldCode;
                newWeld.WeldName = weld.WeldName;
                newWeld.WeldSpec = weld.WeldSpec;
                newWeld.WeldTypeId = weld.WeldTypeId;
                newWeld.ConvertValue = weld.ConvertValue;
                newWeld.WarnAmount = weld.WarnAmount;
                newWeld.SteelType = weld.SteelType;
                newWeld.ModifyMan = weld.ModifyMan;
                db.SubmitChanges();
            }
        }

        /// <summary>
        /// 根据主键删除焊材信息
        /// </summary>
        /// <param name="weldId"></param>
        public static void DeleteWeldInfoById(string weldId)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Weld_WeldInfo weldInfo = db.Weld_WeldInfo.FirstOrDefault(e => e.WeldId == weldId);
            if (weldInfo != null)
            {
                db.Weld_WeldInfo.DeleteOnSubmit(weldInfo);
                db.SubmitChanges();
            }
        }

        /// <summary>
        /// 验证是否存在相同的编号
        /// </summary>
        /// <param name="code"></param>
        /// <param name="id"></param>
        /// <returns></returns>
        public static bool IsExitWeld(string weldName, string weldSpec, string weldId)
        {
            var q = Funs.DB.Weld_WeldInfo.FirstOrDefault(x => x.WeldName == weldName && x.WeldSpec == weldName && x.WeldId != weldId);
            if (q != null)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 获取焊材信息列表
        /// </summary>
        /// <returns></returns>
        public static List<Model.Weld_WeldInfo> GetWeldInfoList()
        {
            return (from x in Funs.DB.Weld_WeldInfo orderby x.WeldCode select x).ToList();
        }

        /// <summary>
        /// 根据焊材类型ID获取焊材信息数量
        /// </summary>
        /// <param name="weldtypeId"></param>
        /// <returns></returns>
        public static int GetWeldInfoByWeldTypeId(string weldtypeId)
        {
            return (from x in Funs.DB.Weld_WeldInfo where x.WeldTypeId == weldtypeId select x).Count();
        }

        /// <summary>
        /// 验证焊材牌号、规格是否存在
        /// </summary>
        /// <param name="name"></param>
        /// <param name="spec"></param>
        /// <param name="id"></param>
        /// <returns></returns>
        public static bool IsExitWeldNameAndSpec(string name, string spec, string id)
        {
            var q = Funs.DB.Weld_WeldInfo.FirstOrDefault(x => x.WeldName == name && x.WeldSpec == spec && x.WeldId != id);
            if (q != null)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }
}