using Autofac;
using Microsoft.ApplicationInsights.Channel;
using Microsoft.ApplicationInsights.Extensibility;

namespace PlanTempus.Core.ModuleRegistry
{
    public class TelemetryModule : Module
    {
        public TelemetryConfig TelemetryConfig { get; set; }

        protected override void Load(ContainerBuilder builder)
        {
            if (TelemetryConfig == null)
                throw new Exceptions.ConfigurationException("TelemetryConfig is missing");


            var configuration = TelemetryConfiguration.CreateDefault();
            configuration.ConnectionString = TelemetryConfig.ConnectionString;
            configuration.TelemetryChannel.DeveloperMode = true;

            if (TelemetryConfig.UseSeqLoggingTelemetryChannel)
                configuration.TelemetryChannel = new Telemetry.SeqLoggingTelemetryChannel(); ;

            var r = new Microsoft.ApplicationInsights.Extensibility.Implementation.TelemetryProcessorChainBuilder(configuration);
            r.Use(next => new Telemetry.Enrichers.EnrichWithMetaTelemetry(next));
            r.Build();

            //builder.RegisterInstance(configuration);

            //builder.RegisterType<Microsoft.ApplicationInsights.TelemetryClient>()
            //     .InstancePerLifetimeScope();

            var client = new Microsoft.ApplicationInsights.TelemetryClient(configuration);
            client.Context.GlobalProperties["Application"] = GetType().Namespace.Split('.')[0];
            client.Context.GlobalProperties["MachineName"] = Environment.MachineName;
            client.Context.GlobalProperties["Version"] = Environment.Version.ToString();
            client.Context.GlobalProperties["ProcessorCount"] = Environment.ProcessorCount.ToString();

            builder.Register(c => client).InstancePerLifetimeScope();
        }
    }

    public class TelemetryConfig
    {
        public string ConnectionString { get; set; }
        public bool UseSeqLoggingTelemetryChannel { get; set; }
    }
}