using System.Collections.Generic;
using System.Runtime.InteropServices;
using Aitex.Core.Util;

namespace Aitex.Core.RT.IOCore
{
    /*
     * 
  <Action do="DO_MFC1_valve__" value="true" tip="" tip.zh-CN="" tip.en-US="">
    <Limit di="DI_Chamber_door_sw"  value="true" tip="" tip.zh-CN="" tip.en-US="" />
  </Action>
     * 
     */

    internal class InterlockLimit
    {
        public string Name
        {
            get { return _di.Name; }
        }

        public bool Value
        {
            get { return _limitValue; }
        }

        public string Tip
        {
            get
            {
                return _tip;
            }
        }

        public string Module
        {
            get { return _module; }
        }
    

        private DIAccessor _di;
        private bool _limitValue;
        private string _tip;
        private string _module;
        private Dictionary<string, string> _cultureTip = new Dictionary<string, string>();

        R_TRIG _trigger = new R_TRIG();

        public InterlockLimit(DIAccessor diItem, bool value, string tip, Dictionary<string, string> cultureTip, string module)
        {
            _di = diItem;
            _limitValue = value;
            _tip = tip;
            _cultureTip = cultureTip;
            _module = module;
        }

        public bool IsSame(string diName, bool value)
        {
            return (diName == _di.Name) && (_limitValue == value);
        }

        public bool IsSame(InterlockLimit limit)
        {
            return (limit.Name == _di.Name) && (_limitValue == limit.Value);
        }

        public bool IsTriggered()
        {
            _trigger.CLK = _di.Value != _limitValue;

            return _trigger.Q;
        }

        public bool CanDo(out string reason)
        {
            reason = string.Empty;

            if (_di.Value == _limitValue)
                return true;

            reason = string.Format("DI-{0}({1}) = [{2}],{3}", _di.IoTableIndex, _di.Name, _di.Value ? "ON" : "OFF", _tip);

            return false;
        }
    }
}