using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Web.UI.WebControls;

namespace BLL
{
    public class HJGL_MaterialService
    {
        /// <summary>
        /// 工程预制库存
        /// </summary>
        public static List<Model.MaterialStockItem> materialStockItems_SHOP
        {
            get;
            set;
        }
        /// <summary>
        /// 现场安装库存
        /// </summary>
        public static List<Model.MaterialStockItem> materialStockItems_FIELD
        {
            get;
            set;
        }
        /// <summary>
        /// 获取材料信息
        /// </summary>
        /// <param name="UnitWorkId"></param>
        /// <returns></returns>
        public static Model.HJGL_MaterialManage GetMaterialByMaterialId(string MaterialId)
        {
            return Funs.DB.HJGL_MaterialManage.FirstOrDefault(e => e.MaterialId == MaterialId);
        }
        /// <summary>
        /// 添加材料信息
        /// </summary>
        /// <param name="WPQ"></param>
        public static void AddMaterial(Model.HJGL_MaterialManage Material)
        {
            Model.SGGLDB db = Funs.DB;
            Model.HJGL_MaterialManage newMaterial = new Model.HJGL_MaterialManage();
            newMaterial.MaterialId = Material.MaterialId;
            newMaterial.ProjectId = Material.ProjectId;
            newMaterial.ContractNo = Material.ContractNo;
            newMaterial.UnitId = Material.UnitId;
            newMaterial.MainItemId = Material.MainItemId;
            newMaterial.MaterialName = Material.MaterialName;
            newMaterial.SpecificationAndModel = Material.SpecificationAndModel;
            newMaterial.MaterialCode = Material.MaterialCode;
            newMaterial.Material = Material.Material;
            newMaterial.PressClass = Material.PressClass;
            newMaterial.Unit = Material.Unit;
            newMaterial.Num = Material.Num;
            newMaterial.ArrivalDate = Material.ArrivalDate;
            newMaterial.CompileMan = Material.CompileMan;
            newMaterial.CompileDate = Material.CompileDate;
            db.HJGL_MaterialManage.InsertOnSubmit(newMaterial);
            db.SubmitChanges();
        }

        /// <summary>
        /// 修改材料信息
        /// </summary>
        /// <param name="WPQ"></param>
        public static void UpdateMaterial(Model.HJGL_MaterialManage Material)
        {
            Model.SGGLDB db = Funs.DB;
            Model.HJGL_MaterialManage newMaterial = db.HJGL_MaterialManage.FirstOrDefault(e => e.MaterialId == Material.MaterialId);
            if (newMaterial != null)
            {
                newMaterial.ContractNo = Material.ContractNo;
                newMaterial.UnitId = Material.UnitId;
                newMaterial.MainItemId = Material.MainItemId;
                newMaterial.MaterialName = Material.MaterialName;
                newMaterial.SpecificationAndModel = Material.SpecificationAndModel;
                newMaterial.MaterialCode = Material.MaterialCode;
                newMaterial.Material = Material.Material;
                newMaterial.PressClass = Material.PressClass;
                newMaterial.Unit = Material.Unit;
                newMaterial.Num = Material.Num;
                newMaterial.ArrivalDate = Material.ArrivalDate;
                newMaterial.InspectionId = Material.InspectionId;
                db.SubmitChanges();
            }
        }
        /// <summary>
        /// 根据主键删除材料信息
        /// </summary>
        /// <param name="checkerId"></param>
        public static void DeleteMaterialById(string MaterialId)
        {
            Model.SGGLDB db = Funs.DB;
            Model.HJGL_MaterialManage Material = db.HJGL_MaterialManage.FirstOrDefault(e => e.MaterialId == MaterialId);
            if (Material != null)
            {
                db.HJGL_MaterialManage.DeleteOnSubmit(Material);
                db.SubmitChanges();
            }
        }
        /// <summary>
        /// 工厂预制获取库存
        /// </summary>
        /// <param name="projectid"></param>
        /// <param name="PipeArea"></param>
        /// <returns></returns>
        public static DataTable GetSHOPStockDt( string projectid)
        {
            string strSql = @" select  
                                mat.MaterialCode,
                                lib.MaterialName,
                                lib.MaterialSpec,
                                lib.MaterialUnit,
                                sum( mat.Num)+ISNULL( aa.Num,0) as MaterialNum
                                from HJGL_MaterialManage mat
                                left join HJGL_MaterialCodeLib  lib on mat.MaterialCode=lib.MaterialCode
                                left join (SELECT  lib.MaterialCode,lib.MaterialName,lib.MaterialUnit,
                                                                       lib.MaterialSpec,lib.MaterialMade,-sum( pipe.Number) as num 
                                                                  FROM dbo.HJGL_PipeLineMat pipe
                                                                  LEFT JOIN dbo.HJGL_MaterialCodeLib lib ON lib.MaterialCode = pipe.MaterialCode
								                                  LEFT JOIN HJGL_Pipeline line ON pipe.PipelineId=line.PipelineId
                                                                  WHERE   line.PipeArea=@PipeArea  and line.State=1
								                                  group by  lib.MaterialCode,lib.MaterialName,lib.MaterialUnit, lib.MaterialSpec,lib.MaterialMade) as aa on mat.MaterialCode=aa.MaterialCode
                                where mat.projectid=@projectid
                                group by mat.MaterialCode,lib.MaterialName,lib.MaterialSpec,lib.MaterialMade,lib.MaterialUnit,aa.num

                                                                         ";
            List<SqlParameter> listStr = new List<SqlParameter>();
            listStr.Add(new SqlParameter("@Projectid", projectid));
            listStr.Add(new SqlParameter("@PipeArea", BLL.PipelineService.PipeArea_SHOP));
            SqlParameter[] parameter = listStr.ToArray();
            DataTable tb = SQLHelper.GetDataTableRunText(strSql, parameter);
            return tb;
         }
        public static DataTable GetFIELDStockDt(string projectid)
        {
            string strSql = @" select  
                                mat.MaterialCode,
                                lib.MaterialName,
                                lib.MaterialSpec,
                                lib.MaterialUnit,
                                sum( mat.Num)+ISNULL( aa.Num,0) as MaterialNum
                                from Material_Material mat
                                left join HJGL_MaterialCodeLib  lib on mat.MaterialCode=lib.MaterialCode
								left join Material_Inspection Ins on mat.InspectionId=Ins.InspectionId
                                left join (SELECT  lib.MaterialCode,lib.MaterialName,lib.MaterialUnit,
                                                                       lib.MaterialSpec,lib.MaterialMade,-sum( pipe.Number) as num 
                                                                  FROM dbo.HJGL_PipeLineMat pipe
                                                                  LEFT JOIN dbo.HJGL_MaterialCodeLib lib ON lib.MaterialCode = pipe.MaterialCode
								                                  LEFT JOIN HJGL_Pipeline line ON pipe.PipelineId=line.PipelineId
                                                                  WHERE   line.PipeArea=@PipeArea  
								                                  group by  lib.MaterialCode,lib.MaterialName,lib.MaterialUnit, lib.MaterialSpec,lib.MaterialMade) as aa on mat.MaterialCode=aa.MaterialCode
                                where mat.projectid=@Projectid and Ins.State=@State
                                group by mat.MaterialCode,lib.MaterialName,lib.MaterialSpec,lib.MaterialMade,lib.MaterialUnit,aa.num

                                                                         ";
            List<SqlParameter> listStr = new List<SqlParameter>();
            listStr.Add(new SqlParameter("@Projectid", projectid));
            listStr.Add(new SqlParameter("@PipeArea", BLL.PipelineService.PipeArea_SHOP));
            listStr.Add(new SqlParameter("@State", Const.Inspection_Complete));
            SqlParameter[] parameter = listStr.ToArray();
            DataTable tb = SQLHelper.GetDataTableRunText(strSql, parameter);
            return tb;
        }
        /// <summary>
        /// 获取库存实体
        /// </summary>
        /// <param name="projectid"></param>
        /// <param name="PipeArea">管线划分</param>
        /// <returns></returns>
        public static List<Model.MaterialStockItem> GetMaterialStockItems(string projectid, string PipeArea)
        { 
            List<Model.MaterialStockItem> list = new List<Model.MaterialStockItem>();
            DataTable dataTable = new DataTable();
            switch (PipeArea)
            {
                case PipelineService.PipeArea_SHOP:
                    dataTable = GetSHOPStockDt(projectid);
                    break;
                case PipelineService.PipeArea_FIELD:
                    dataTable = GetFIELDStockDt(projectid);
                    break;
            }
            if (dataTable!=null)
            {
                list =Funs.TableToEntity<Model.MaterialStockItem>(dataTable);
            }
            return list;
        }
        public static decimal GetStockNumByCode(string materialcode, string projectid, string PipeArea)
        {
            decimal num = 0;

            var list =  GetMaterialStockItems(projectid, PipeArea);
            if (list!=null && list.Count>0)
            {
                var item = list.Where(x => x.MaterialCode == materialcode).FirstOrDefault();
                if (item != null)
                {
                    num = item.MaterialNum;
                }
            }
            return num;
        }
        /// <summary>
        /// 判断库存是否满足该数量的材料
        /// </summary>
        /// <param name="MaterialCode"></param>
        /// <param name="num"></param>
        /// <param name="projectid"></param>
        /// <returns></returns>
        public static bool isInStockByMaterialCode(string MaterialCode, decimal num,string PipeArea,string projectid)
        {
            bool state=false;
            List<Model.MaterialStockItem> list = GetMaterialStockItems(projectid, PipeArea);
            if (list != null && list.Count > 0)
            {
                var Material = list.Where(x => x.MaterialCode == MaterialCode).FirstOrDefault();
                if (Material!=null)
                {
                    var StockNum = Material.MaterialNum;
                    if (num<= StockNum)
                    {
                        state = true;
                    }

                }

            }
            return state;
 
        }
        /// <summary>
        /// 判断库存是否满足此管线
        /// </summary>
        /// <param name="pipelineid"></param>
        /// <param name="projectid"></param>
        /// <returns></returns>
        public static bool isInStockByPipeline(string pipelineid,string projectid)
        {
            bool state = true ;
            try
            {
                var q = from x in Funs.DB.HJGL_PipeLineMat
                        where x.PipelineId == pipelineid
                        group x by x.MaterialCode into s
                        select new
                        {
                            MaterialCode = s.Key,
                            Number = s.Sum(p => p.Number)
                        };//获取管线所用材料
                if (q != null && q.Count() > 0)  //判断管线是否有关联材料 
                {
                    var pipemodel = BLL.PipelineService.GetPipelineByPipelineId(pipelineid);
                    List<Model.MaterialStockItem> materialStockItems = new List<Model.MaterialStockItem>();
                    if (pipemodel.PipeArea==PipelineService.PipeArea_SHOP)
                    {
                        if (HJGL_MaterialService.materialStockItems_SHOP.Count == 0)
                        {
                            HJGL_MaterialService.materialStockItems_SHOP = GetMaterialStockItems(projectid, pipemodel.PipeArea);
                        }
                        materialStockItems = materialStockItems_SHOP;
                    }
                    else if (pipemodel.PipeArea == PipelineService.PipeArea_FIELD)
                    {
                        if(HJGL_MaterialService.materialStockItems_FIELD.Count == 0)
                        {
                            HJGL_MaterialService.materialStockItems_FIELD = GetMaterialStockItems(projectid, pipemodel.PipeArea);
                        }
                        materialStockItems = materialStockItems_FIELD;
                    }
                    
                    //List<Model.MaterialStockItem> materialStockItems = GetMaterialStockItems(projectid, pipemodel.PipeArea);
                    if (materialStockItems != null && materialStockItems.Count > 0)   //判断是否有库存信息
                    {
                        foreach (var item in q)
                        {
                            var StockMater = materialStockItems.Where(x => x.MaterialCode == item.MaterialCode).FirstOrDefault();
                            if (StockMater != null) //判断该材料是否存在库存  
                            {
                                var StockNum = StockMater.MaterialNum;
                                if ((decimal)item.Number > StockNum)  //实际大于库存
                                {
                                    state = false;  //库存不足
                                }
                            }
                            else
                            {
                                state = false;  //库存不足

                            }

                        }
                    }
                    else
                    {
                        state = false;  //库存不足

                    }

                }
                else
                {
                    state = false; //库存不足

                }

            }
            catch (System.Exception ex)
            {

                state = false;
                ErrLogInfo.WriteLog(ex.ToString ());
            }
 
 
            return state;

        }

    }
}