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

namespace BLL
{
    public class ItemService
    {
        public static Model.Base_Item GetItemById(string itemId)
        {
            return Funs.DB.Base_Item.FirstOrDefault(e => e.ItemId == itemId);
        }

        public static List<Model.Base_Item> GetItemList()
        {
            return (from x in Funs.DB.Base_Item orderby x.Item select x).ToList();
        }

        public static void AddItem(Model.Base_Item item)
        {
            Model.Base_Item newItem = new Model.Base_Item();
            newItem.ItemId = item.ItemId;
            newItem.Item = item.Item;
            newItem.Remark = item.Remark;
            Funs.DB.Base_Item.InsertOnSubmit(newItem);
            Funs.DB.SubmitChanges();
        }

        public static void UpdateItem(Model.Base_Item item)
        {
            Model.Base_Item newItem = Funs.DB.Base_Item.FirstOrDefault(e => e.ItemId == item.ItemId);
            if (newItem != null)
            {
                newItem.Item = item.Item;
                newItem.Remark = item.Remark;
                Funs.DB.SubmitChanges();
            }
        }

        public static void DeleteItemById(string itemId)
        {
            Model.Base_Item item = Funs.DB.Base_Item.FirstOrDefault(e => e.ItemId == itemId);
            if (item!= null)
            {
                Funs.DB.Base_Item.DeleteOnSubmit(item);
                Funs.DB.SubmitChanges();
            }
        }

        public static bool IsExitItem(string item, string id)
        {
            var q = Funs.DB.Base_Item.FirstOrDefault(x => x.Item == item && x.ItemId != id);
            if (q != null)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 常量表下拉框
        /// </summary>
        /// <param name="dropName">下拉框名字</param>
        /// <param name="isShowPlease">是否显示请选择</param>
        public static void InitDropDownList(FineUIPro.DropDownList dropName, bool isShowPlease)
        {
            dropName.DataValueField = "ItemId";
            dropName.DataTextField = "Item";
            dropName.DataSource = GetItemList();
            dropName.DataBind();
            if (isShowPlease)
            {
                Funs.FineUIPleaseSelect(dropName);
            }
        }
    }
}