using System;
using System.Collections.Generic;
using System.Text;

namespace Duplicati.Library.Backend
{
    public class CommandLineArgument : Duplicati.Library.Backend.ICommandLineArgument
    {
        public enum ArgumentType
        {
            /// <summary>
            /// Indicates that the argument is a string type
            /// </summary>
            String,
            /// <summary>
            /// Indicates that the argument is an integer type
            /// </summary>
            Integer,
            /// <summary>
            /// Indicates that the argument is a boolean type
            /// </summary>
            Boolean,
            /// <summary>
            /// Indicates that the argument is a timespan type
            /// </summary>
            Timespan,
            /// <summary>
            /// Indicates that the argument is a size type
            /// </summary>
            Size,
            /// <summary>
            /// Indicates that the argument is an enumeration value
            /// </summary>
            Enumeration,
            /// <summary>
            /// Indicates that the argument is a path to a file or directory
            /// </summary>
            Path,
            /// <summary>
            /// The argument type is unknown
            /// </summary>
            Unknown
        }

        private string m_name;
        private string[] m_aliases = null;
        private ArgumentType m_type = ArgumentType.Unknown;
        private string[] m_validValues = null;
        private string m_shortDescription = "";
        private string m_longDescription = "";
        private string m_defaultValue = "";

        /// <summary>
        /// The primary name for the argument
        /// </summary>
        public string Name
        {
            get { return m_name; }
            set { m_name = value; }
        }

        /// <summary>
        /// A list of valid aliases, may be null or an empty array
        /// </summary>
        public string[] Aliases
        {
            get { return m_aliases; }
            set { m_aliases = value; }
        }

        /// <summary>
        /// The argument type
        /// </summary>
        public ArgumentType Type
        {
            get { return m_type; }
            set { m_type = value; }
        }

        /// <summary>
        /// A list of valid values, if applicable
        /// </summary>
        public string[] ValidValues
        {
            get { return m_validValues; }
            set { m_validValues = value; }
        }

        /// <summary>
        /// A short description of the argument
        /// </summary>
        public string ShortDescription
        {
            get { return m_shortDescription; }
            set { m_shortDescription = value; }
        }

        /// <summary>
        /// A long description of the argument
        /// </summary>
        public string LongDescription
        {
            get { return m_longDescription; }
            set { m_longDescription = value; }
        }


        /// <summary>
        /// Creates a new CommandLineArgument instance
        /// </summary>
        /// <param name="name">The name of the argument</param>
        public CommandLineArgument(string name)
        {
            m_name = name;
        }

        /// <summary>
        /// Creates a new CommandLineArgument instance
        /// </summary>
        /// <param name="name">The name of the argument</param>
        /// <param name="type">The argument type</param>
        public CommandLineArgument(string name, ArgumentType type)
            : this(name)
        {
            m_type = type;
        }

        /// <summary>
        /// Creates a new CommandLineArgument instance
        /// </summary>
        /// <param name="name">The name of the argument</param>
        /// <param name="type">The argument type</param>
        /// <param name="shortDescription">The arguments short description</param>
        /// <param name="longDescription">The arguments long description</param>
        public CommandLineArgument(string name, ArgumentType type, string shortDescription, string longDescription)
            : this(name, type)
        {
            m_shortDescription = shortDescription;
            m_longDescription = longDescription;
        }

        /// <summary>
        /// Creates a new CommandLineArgument instance
        /// </summary>
        /// <param name="name">The name of the argument</param>
        /// <param name="type">The argument type</param>
        /// <param name="shortDescription">The arguments short description</param>
        /// <param name="longDescription">The arguments long description</param>
        /// <param name="defaultValue">The default value of the argumen</param>
        public CommandLineArgument(string name, ArgumentType type, string shortDescription, string longDescription, string defaultValue)
            : this(name, type, shortDescription, longDescription)
        {
            m_defaultValue = defaultValue;
        }

        /// <summary>
        /// Creates a new CommandLineArgument instance
        /// </summary>
        /// <param name="name">The name of the argument</param>
        /// <param name="type">The argument type</param>
        /// <param name="shortDescription">The arguments short description</param>
        /// <param name="longDescription">The arguments long description</param>
        /// <param name="defaultValue">The default value of the argumen</param>
        /// <param name="aliases">A list of aliases for the command</param>
        /// <param name="values">A list of valid values for the command</param>
        public CommandLineArgument(string name, ArgumentType type, string shortDescription, string longDescription, string defaultValue, string[] aliases, string[] values)
            : this(name, type, shortDescription, longDescription, defaultValue)
        {
            m_aliases = aliases;
            m_validValues = values;
        }
    }
}