﻿// The MIT License (MIT)
// 
// Copyright (c) 2014-2016, Institute for Software & Systems Engineering
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// THE SOFTWARE.

namespace SafetySharp.CaseStudies.LandingGear.Modeling
{
    using SafetySharp.Modeling;

    internal class SensorFaultHandle : Sensor<HandlePosition>
    {
        /// <summary>
        ///   The fault flips the HandlePosition value provided by the sensor.
        /// </summary>
        public readonly Fault SensorFault = new PermanentFault();

        /// <summary>
        ///   Initializes a new instance.
        /// </summary>
        /// <param name="type">Indicates the name of the fault.</param>
        public SensorFaultHandle(string type)
            : base(type)
        {
            SensorFault.Name = $"{Type}IsFalse";
        }

        /// <summary>
        ///   Flips the HandlePosition value provided by the sensor.
        /// </summary>
        [FaultEffect(Fault = nameof(SensorFault))]
        public class SensorFaultEffect : SensorFaultHandle
        {
            public SensorFaultEffect(string type)
                : base(type)
            {
            }

            public override HandlePosition Value => CheckValue == HandlePosition.Down ? HandlePosition.Up : HandlePosition.Down;
        }
    }
}