using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Text;

namespace MesTools.ImsApi
{
    public class ImsApiResultEvaluator
    {

        public StringBuilder evaluate(Object result, List<string> orderedOutArgs, Dictionary<String, String[]> resultValueMap, Dictionary<String, String[]> uploadValues)
        {
            // check preconditions
            StringBuilder stb = new StringBuilder();
            if (result == null)
            {
                stb.Append("(null");
                return stb;
            }
            // print type info
            ObjectEvaluator oe = new ObjectEvaluator();
            stb.Append('(').Append(result).Append(")\n");

            // handle all out params...
            if (orderedOutArgs != null && orderedOutArgs.Count > 0)
            {
                // evaluate return values (key-value arrays...)
                foreach (string fieldName in orderedOutArgs)
                {
                    // find the  stationResultUploadKeys  for out stationResultValues
                    string[] values = resultValueMap[fieldName];
                    Debug.WriteLine(fieldName);

                    string[] keys = null;
                    // key-information available for this parameter?
                    string baseName = fieldName;
                    if (fieldName.EndsWith("Values") && uploadValues != null)
                    {

                        if (uploadValues.ContainsKey(fieldName))
                        {
                            keys = uploadValues[fieldName];
                        }
                        else
                        {
                            // replace "Values" by "Upload"
                            baseName = fieldName.Substring(0, fieldName.Length - 6) + "Upload";
                            if (uploadValues.ContainsKey(baseName))
                            {
                                keys = uploadValues[baseName];
                            }
                        }



                        if (keys != null)
                        {
                            Object v = new String[] { };
                            try
                            {
                                v = values;
                            }
                            catch (Exception)
                            {
                                // explicitly no error handling
                            }
                            // print formatted imsapi-key-Value
                            ImsApiTools.printKeyValues(stb, baseName, keys, (String[])v);
                            stb.Append('\n');
                        }
                        continue;
                    }
                    // print ordinary values
                    /* try
                     {
                         Object v = field.GetValue(result);
                         StringBuilder pstb = new StringBuilder();
                         oe.evaluateObject(field.Name, v, pstb);
                         stb.Append(pstb.ToString()).Append('\n');
                     }
                     catch (Exception)
                     {
                         // explicitly no error handling
                     }*/
                }
            }

            foreach (FieldInfo field in result.GetType().GetFields())
            {

            }
            return stb;
        }

    }

}