using System.Xml;
using Aitex.Core.RT.DataCenter;
using Aitex.Core.RT.IOCore;

namespace Aitex.Core.RT.Device.Unit
{
    public class IoTrigger : BaseDevice, IDevice
    {
        private DIAccessor _diFeedback = null;
        private DOAccessor _doTrigger = null;
        private AOAccessor _aoTrigger = null;
        private AIAccessor _aiFeedback = null;
        public DOAccessor DoTrigger => _doTrigger;

        public IoTrigger(string module, XmlElement node, string ioModule = "")
        {
            base.Module = module;
            base.Name = node.GetAttribute("id");
            base.Display = node.GetAttribute("display");
            base.DeviceID = node.GetAttribute("schematicId");

            _diFeedback = ParseDiNode("diFeedback", node, ioModule);
            _doTrigger = ParseDoNode("doTrigger", node, ioModule);
            _aoTrigger = ParseAoNode("aoTrigger", node, ioModule);
            _aiFeedback = ParseAiNode("aiFeedback", node, ioModule);

        }

        public bool Value
        {
            get
            {
                if (_diFeedback != null)
                    return _diFeedback.Value;

                if (_doTrigger != null)
                    return _doTrigger.Value;

                if (_aoTrigger != null)
                    return _aoTrigger.FloatValue > 0;

                return false;
            }
        }
        public float AOValue
        {
            get
            {
                if (_aoTrigger != null)
                    return _aoTrigger.FloatValue;

                return 0f;
            }
        }
        public float AIValue
        {
            get
            {
                if (_aiFeedback != null)
                    return _aiFeedback.FloatValue;

                return 0f;
            }
        }
        public bool SetPulseTrigger(bool value, out string reason)
        {
            reason = "";
            _doTrigger?.SetPulseValue(value, 1500);
            return true;

        }
        public bool SetTrigger(bool value, out string reason)
        {
            reason = "";
            _doTrigger?.SetValue(value, out reason);
            if(_aoTrigger != null)
                _aoTrigger.FloatValue = value ? 1 : 0;
            return true;

        }
        public bool SetAOTrigger(float value, out string reason)
        {
            reason = "";
            if (_aoTrigger != null)
                _aoTrigger.FloatValue = value;
            return true;

        }

        public bool Initialize()
        {
            if (_aoTrigger != null)
                DATA.Subscribe($"{Module}.{Name}.AOValue", () => AOValue);
            return true;
        }

        public void Terminate()
        {
        }

        public void Monitor()
        {
 

        }

        public void Reset()
        {
 
        }

    }
}