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

namespace WCS.PLC
{
    public class EquRouteHelper
    {
        
        public static List<WCS_EQUIPMENTROUTE> QueryRoute(string startPos, string toPos)
        {
            var list = new List<WCS_EQUIPMENTROUTE>();
            var equRouteS = Current.EquRouteSet.Where(v => v.ROUTE_STARTPOS == startPos).OrderByDescending(v => v.ISEND).ToList();//查询下一个路由地址

            var endroute = equRouteS.Where(v => v.ROUTE_SONPOS == toPos || v.ROUTE_NEXTPOS == toPos);
            if (endroute.Count() > 0)
            {
                //查询到最后的目标地址
                foreach (var item in endroute)
                {
                    if (list.Any(v => v.ROUTE_ID == item.ROUTE_ID) == false)
                    {
                        list.Add(item);
                    }
                }
            }
            else
            {
                foreach (var equRoute in equRouteS)
                {
                    //if (!string.IsNullOrWhiteSpace(outInType))
                    //{
                    //    if (outInType == "in")
                    //    {
                    //        if (equRoute.ROUTE_INOUTTYPE == "out") continue;
                    //    }
                    //    else if (outInType == "out")
                    //    {
                    //        if (equRoute.ROUTE_INOUTTYPE == "in") continue;
                    //    }
                    //}
                    if (equRoute.ISEND && equRoute.ROUTE_NEXTPOS != toPos && equRoute.ROUTE_NEXTPOS != toPos && equRoute.ROUTE_NOTES != "1")
                    {
                        //该路由地址为终点出口，并且不是任务的终点位置，则忽略该路由轨迹
                        continue;
                    }
                    var equRoutes = QueryRoute(equRoute.ROUTE_NEXTPOS, toPos);
                    foreach (var item in equRoutes)
                    {
                        if (list.Any(v => v.ROUTE_ID == item.ROUTE_ID) == false)
                        {
                            list.Add(item);
                        }
                        if (list.Any(v => v.ROUTE_ID == equRoute.ROUTE_ID) == false)
                        {
                            list.Add(equRoute);
                        }
                    }
                }
            }
            return list;
        }
    }
}