using System;
using System.IO;
using ln.ethercat.controller;
using ln.json;
using ln.json.mapping;

namespace ln.ethercat.service
{

    public class CLGalaTechBohrautomat : ControllerLogic
    {
        public MyParameters Parameters { get; set; }

        SDOValue svRelais;
        SDOValue svEnable;

        public CLGalaTechBohrautomat()
        {
            Parameters = new MyParameters();
            if (File.Exists("mafcl.json"))
            {
                JSONValue configValue = JSONParser.ParseFile("mafcl.json");
                JSONMapper.DefaultMapper.Apply(configValue as JSONObject, Parameters);
            }
        }

        public void Save()
        {
            if (JSONMapper.DefaultMapper.Serialize(Parameters, out JSONValue configObject))
            {
                using (StreamWriter sw = new StreamWriter("mafcl.json"))
                {
                    sw.Write(configObject.ToString());
                    sw.Flush();
                }
            }
        }

        public override void Initialize(Controller controller)
        {
            if (!(
                controller.ECMaster.GetSDOValue(1, 0x2012, 31, out svRelais) &&
                controller.ECMaster.GetSDOValue(1, 0x2012, 32, out svEnable)
            ))
                throw new Exception("could not retrieve needed SDOValues");
        }

        public override void Cycle(Controller controller)
        {
            switch (controller.ControllerState)
            {
                case ControllerStates.FAULT:
                    svEnable.SetValue((byte)0x00);
                    break;
                case ControllerStates.NOTREADY:
                    svEnable.SetValue((byte)0x01);
                    break;
            }

            if (controller.ControllerState == ControllerStates.OPERATIONAL)
            {
                svRelais.SetValue((byte)0x01);
            } else {
                svRelais.SetValue((byte)0x00);
            }
        }


        public class MyParameters {
            
        }

    }
}