using global::System.Reflection;

namespace Pilz.Reflection.PluginSystem
{
    public class PluginFunction
    {

        /// <summary>
    /// Gets the method to invoke when invoking this PluginFunction.
    /// </summary>
    /// <returns></returns>
        public MethodInfo Method { get; private set; }

        /// <summary>
    /// Gets the refered Plugin for this PluginFunction, if it has one.
    /// </summary>
    /// <returns></returns>
        public Plugin Plugin { get; private set; }

        /// <summary>
    /// Gets the Parameters that was given by the attribute.
    /// </summary>
    /// <returns></returns>
        public object[] Params { get; private set; }

        /// <summary>
    /// Gets the function code for this PluginFunction.
    /// </summary>
    /// <returns></returns>
        public string FunctionCode { get; private set; }

        /// <summary>
    /// Creates a new instance of a PluginFunction.
    /// </summary>
    /// <param name="method">The Method to invoke when invoking this PluginFunction.</param>
    /// <param name="plugin">The Plugin that is the Parent of this PluginFunction. This value can be NULL.</param>
        public PluginFunction(MethodInfo method, Plugin plugin)
        {
            Method = method;
            Plugin = plugin;
        }

        /// <summary>
    /// Creates a new instance of a PluginFunction.
    /// </summary>
    /// <param name="method">The Method to invoke when invoking this PluginFunction..</param>
    /// <param name="plugin">The Plugin that is the Parent of this PluginFunction. This value can be NULL.</param>
    /// <param name="params">The Parameters that was given by the attribute.</param>
    /// <param name="funcCode">The function code for this PluginFunction.</param>
        public PluginFunction(MethodInfo method, Plugin plugin, object[] @params, string funcCode) : this(method, plugin)
        {
            Params = @params;
            FunctionCode = funcCode;
        }

        /// <summary>
    /// Invokes the Method of the PluginFunction.
    /// </summary>
        public void Invoke()
        {
            Method.Invoke(null, null);
        }

        /// <summary>
    /// Invokes the Method of the PluginFunction.
    /// </summary>
        public void Invoke(params object[] @params)
        {
            Method.Invoke(null, @params);
        }

        /// <summary>
    /// Invokes the Method of the PluginFunction and returns the return value.
    /// </summary>
        public object InvokeGet(params object[] @params)
        {
            return Method.Invoke(null, @params);
        }
    }
}