using System.Collections.Generic;
using System.Linq;
using System.Web.UI;
using WX.CRM.BLL.Util;
using WX.CRM.Common;
using WX.CRM.IBLL.Level2;
using WX.CRM.Model.Entity;

namespace WX.CRM.BLL.Level2
{
    public class L2_SOFT_PRODUCT_BL : DbContextRepository<L2_SOFT_PRODUCT>, IL2_SOFT_PRODUCT_Q
    {
        public List<Model.Entity.L2_SOFT_PRODUCT> GetListL2_Soft_product()
        {
            using (var contex = new Model.Entity.crmContext())
            {
                return contex.L2_SOFT_PRODUCT.ToList();
            }
        }

        public Model.Entity.L2_SOFT_PRODUCT GetL2_Soft_product(decimal productid)
        {
            using (var contex = new Model.Entity.crmContext())
            {
                return contex.L2_SOFT_PRODUCT.Where(p => p.PRODUCTID == productid).FirstOrDefault();
            }
        }
        public List<L2_SOFT_PRODUCT> Get2Soft_Products(string productName, Pager pager)
        {
            using (var db = new Model.Entity.crmContext())
            {
                var queryData = db.L2_SOFT_PRODUCT.AsQueryable();
                if (!string.IsNullOrEmpty(productName))
                {
                    queryData = queryData.Where(p => p.PRODUCTNAME.Contains(productName));
                }
                queryData = queryData.OrderBy(m => m.SORT);
                PagerUtil.SetPager<L2_SOFT_PRODUCT>(ref queryData, ref pager);
                return queryData.ToList();
            }
        }
        public void MoveProduct(int ProductId, int t = 1)
        {
            using (var db = new Model.Entity.crmContext())
            {
                var product = db.L2_SOFT_PRODUCT.FirstOrDefault(m => m.PRODUCTID == ProductId);
                if (product != null)
                {
                    var sort = product.SORT;
                    if (t == 1)//向上移动
                    {
                        var prePro = db.L2_SOFT_PRODUCT.Where(m => m.SORT < sort).OrderByDescending(m => m.SORT).FirstOrDefault();
                        if (prePro != null)
                        { //找到上一个产品
                            //交换sort
                            product.SORT = prePro.SORT;
                            prePro.SORT = sort;
                        }
                    }
                    else
                    {
                        var prePro = db.L2_SOFT_PRODUCT.Where(m => m.SORT > sort).OrderBy(m => m.SORT).FirstOrDefault();
                        if (prePro != null)
                        { //找到上一个产品
                            //交换sort
                            product.SORT = prePro.SORT;
                            prePro.SORT = sort;
                        }
                    }
                }

                db.SaveChanges();
            }

        }
        public int GetNextSort() {
            using (var db = new Model.Entity.crmContext())
            {
                var product = db.L2_SOFT_PRODUCT.OrderBy(m=>m.SORT).FirstOrDefault();
                if (product == null) {
                    return 0;
                }
                return (product.SORT ?? 0)-1 ; 
            }
        }
        public decimal GetNextId()
        {
            using (var db = new Model.Entity.crmContext())
            {
                var product = db.L2_SOFT_PRODUCT.OrderByDescending(m => m.PRODUCTID).FirstOrDefault();
                if (product == null)
                {
                    return 0;
                }
                return product.PRODUCTID + 1;
            }

        }
    }
}