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

namespace connor_zwcadm.model {
   public class PropertyInfo {
      public enum PropLocation {
         BOMLine, Item, Rev, ItemMaster, RevMaster, Undefined
      }
      public PropLocation Location { get; }
      public string TcPropName { get; }
      public string CadPropName { get; }
      public bool UseRealValue { get; }

      private PropertyInfo(PropLocation location, string tcPropName, string cadPropName, bool useRealValue) {
         this.Location = location;
         this.TcPropName = tcPropName;
         this.CadPropName = cadPropName;
         UseRealValue = useRealValue;
      }

      public override string ToString() {
         return "["+Location+"."+TcPropName+" - "+CadPropName+"]";
      }

      public static PropertyInfo parse(string cadConfig, string tcConfig) {
         if (string.IsNullOrWhiteSpace(cadConfig) || string.IsNullOrWhiteSpace(tcConfig)) {
            return null;
         }
         bool useRealValue = false;
         string tcPropName = null, cadPropName = null;
         PropLocation location = PropLocation.Undefined;
         string[] split = tcConfig.Split('.');
         if (split.Length == 2) {
            switch (split[0].ToUpper()) {
               case "BOMLINE":
                  location = PropLocation.BOMLine;
                  break;
               case "ITEM":
                  location = PropLocation.Item;
                  break;
               case "REV":
                  location = PropLocation.Rev;
                  break;
               case "ITEMMASTER":
                  location = PropLocation.ItemMaster;
                  break;
               case "REVMASTER":
                  location = PropLocation.RevMaster;
                  break;
               default:
                  location = PropLocation.Undefined;
                  break;
            }
            tcPropName = split[1].Trim();
            if (tcPropName.StartsWith("#")) {
               tcPropName = tcPropName.Substring(1);
               useRealValue = true;
            }
         }
         if (string.IsNullOrWhiteSpace(tcPropName) || location == PropLocation.Undefined) {
            throw new Exception("无法解析TC属性配置：" + tcConfig);
         }
         cadPropName = cadConfig.Trim();
         return new PropertyInfo(location, tcPropName, cadPropName, useRealValue);
      }

   }
}