///
/// Copyright (c) 2013-2018 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Xml.Serialization;
using Common;

namespace Config.Entities
{
	public interface IParamsProvider
	{
        /// <summary>
        /// Get XML Serializer
        /// </summary>
        XmlSerializer GetSerializer();

		string ComponentName { get; }

		/// <summary>
		/// Number of parameters
		/// </summary>
		int ParamsCount();

		/// <summary>
		/// Returns a parameter name
		/// </summary>
		/// <param name="ix">Zero based index of the parameter</param>
		string ParamName(int ix);

        /// <summary>
        /// Returns a list of possible values of one parameter (ComboBox when editing) or null (Textbox when editing).
        /// </summary>
        /// <param name="ix">Zero based index of the parameter</param>
        ICollection<string> ParamValues(int ix);

		/// <summary>
		/// Returns a parameter value in the string form
		/// </summary>
		/// <param name="ix">Zero based index of the parameter</param>
		string ToString(int ix);

		/// <summary>
		/// Initialize values of all parameters
		/// </summary>
		void InitializeAll();

		/// <summary>
		/// Validates the string representation of a parameter
		/// </summary>
		/// <param name="ix">Zero based index of the parameter</param>
		/// <param name="strValue">String representation of the parameter</param>
		/// <param name="message">Warning message in case the string is wrong or null</param>
		/// <returns>true = string is OK, false = string is wrong (see 'message')</returns>
		bool ValidateParam(int ix, string strValue, out string message);

		/// <summary>
		/// Update the parameter from a string
		/// </summary>
		/// <param name="ix">Zero based index of the parameter</param>
		/// <param name="strValue">String representation of the parameter</param>
        CfgUpdateFlags UpdateParam(int ix, string strValue);

        /// <summary>
        /// Updates DB entities for related parameters
        /// </summary>
        /// <returns>true when successful</returns>
        bool UpdateEmbeddedDbEntity();

        /// <summary>
        /// Creates an object copy
        /// </summary>
        /// <returns></returns>
        IParamsProvider Clone();
	}
}