using System;
using System.Collections.Generic;
using System.Reflection;

namespace Chernobyl.Reflection
{
    /// <summary>
    /// Thrown when an error involving parameter(s) occurs.
    /// </summary>
    public class ParameterException : Exception
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="ParameterException"/> class
        /// whose <see cref="Exception.InnerException"/> is set to null.
        /// </summary>
        /// <param name="message">The error message that explains the reason for 
        /// the exception.</param>
        /// <param name="parameters">The parameters that are involved in the error.</param>
        public ParameterException(string message, IEnumerable<ParameterInfo> parameters)
            : this(message, parameters, null)
        { }

        /// <summary>
        /// Initializes a new instance of the <see cref="ParameterException"/> class.
        /// </summary>
        /// <param name="message">The error message that explains the reason for 
        /// the exception.</param>
        /// <param name="parameters">The parameters that are involved in the error.</param>
        /// <param name="innerException">The exception that is the cause of the 
        /// current exception, or a null reference (Nothing in Visual Basic) if 
        /// no inner exception is specified.</param>
        public ParameterException(string message, 
                                  IEnumerable<ParameterInfo> parameters, 
                                  Exception innerException)
            : base(message, innerException)
        {
            Parameters = parameters;
        }

        /// <summary>
        /// The parameters that are involved in the error. 
        /// </summary>
        public IEnumerable<ParameterInfo> Parameters { get; private set; }
    }
}