using System.Configuration;
using Kreta.Core.MessageBroker.Logging.Serilog.Configuration;

namespace Kreta.MessageBroker.Configuration
{
    /// <summary>
    /// Serilog - Elastic search konfiguráció
    /// </summary>
    public class SerilogConfigurationElement : ConfigurationElement, ISerilogConfiguration
    {
        #region [Properties]

        /// <summary>
        /// Lossy buffer count
        /// </summary>
        [ConfigurationProperty(nameof(LossyBufferSize), IsRequired = true)]
        public int LossyBufferSize
        {
            get
            {
                return (int)base[nameof(LossyBufferSize)];
            }
        }

        /// <summary>
        /// Serilog loggers
        /// </summary>
        [ConfigurationProperty(nameof(ElasticSearch), IsRequired = false)]
        public ElasticSearchConfigurationElement ElasticSearch
        {
            get
            {
                return (ElasticSearchConfigurationElement)base[nameof(ElasticSearch)];
            }
        }

        IElasticSearchConfiguration ISerilogConfiguration.ElasticSearch
        {
            get
            {
                return this.ElasticSearch;
            }
        }

        #endregion

        #region [Protected methods]

        /// <summary>
        /// Custom validations
        /// </summary>
        protected override void PostDeserialize()
        {
            if (!this.ElasticSearch.ElementInformation.IsPresent)
            {
                throw new ConfigurationErrorsException($"At least one logger sink must be defined. (e.g:{nameof(ElasticSearch)})");
            }
        }

        #endregion
    }
}