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

namespace Avw.Elephant
{
    public class TupleComponent : GH_Component
    {
        public TupleComponent() : base("Tuple", "Tuple", "Create A tuple from a string", "Extra", "Elephant")
        {
        }


        protected override void RegisterInputParams(GH_Component.GH_InputParamManager pManager)
        {
            pManager.Register_StringParam("Input", "I", "Input key/value pair", GH_ParamAccess.tree);
        }

        protected override void RegisterOutputParams(GH_Component.GH_OutputParamManager pManager)
        {
            pManager.Register_GenericParam("Tuple", "T", "A key/value tuple");
        }

        protected override void SolveInstance(IGH_DataAccess DA)
        {
            Dictionary<string, string> Output = new Dictionary<string, string>();

            // iterate through all the sources by the Params.input value (and thus bypass the DA object, is this ugly?)
            foreach (IGH_Param Param in this.Params.Input[0].Sources)
            {
                String nickname = Param.NickName;

                if (nickname.Length == 0)
                {
                    this.AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Nickname of the connected component is empty");
                }

                Grasshopper.Kernel.Data.IGH_StructureEnumerator DataList = Param.VolatileData.AllData(false);

                // Convert the list to strings
                List<String> Data = new List<String>();
                foreach (Grasshopper.Kernel.Types.GH_String DataItem in DataList)
                {
                    Data.Add(DataItem.Value);
                }

                // Add the data to the list. If result is a tree or something similar: this means the results will be flattened.
                if (Data.Count == 1)
                {
                    // If the component has a single output: name it singular
                    Output.Add(nickname, Data[0]);
                } else if (Data.Count > 1)
                {
                    // .. otherwise: add an index value to it.
                    int j = 0;
                    foreach (String item in Data)
                    {
                        Output.Add(nickname + "-" + j.ToString(), item);
                        j++;
                    }
                }
            }
            DA.SetDataList(0,Output);
        }

        public override Guid ComponentGuid
        {
            get { return new Guid("{2C479128-F6CA-435d-8CED-C2B3B99A03CC}"); }
        }
    }
}