namespace OpenTraffic.Model.Simulator.RouteAssigner
{
    using System;
    using System.Collections.Generic;
    using System.Text;
    using OpenTraffic.Model.Route;

    [Serializable]

    public class Kirchnoff : ProbabilityRouteAssigner
    {
        private float exponent;
        public Kirchnoff(float exponent) 
        {
            this.exponent = exponent;
        }

        public override Object Clone()
        {
            return new Kirchnoff(exponent);
        }

        protected override double GetGains(Vehicle v, Dictionary<TrafficRoute, double> gains)
        {
            double totGain = 0;

            if (v != null && gains != null)
            {
                List<RouteContainer> routes = RoutesLookup[v.Origin][v.Destination];
                gains.Clear();

                foreach (RouteContainer rc in routes)
                {
                    foreach (TrafficRoute r in rc.Routes)
                    {
                        double cost = v.routeClass.CalculateCost(r, inResult, v.StartTime);
                        double gain = 1 / Math.Sqrt(cost);
                        gains.Add(r, gain);
                        totGain += gain;
                    }
                }
            }

            return totGain;
        }

        public override string ToString()
        {
            return "Kirchnoff(" + this.exponent + ")";
        }

    }
}