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

namespace AtomicCityBusScheduler
{
    public class TransportSystem
    {
        public string name;
        public List<AtomicCityBusScheduler.Location> cLocation;
        public List<AtomicCityBusScheduler.Routing> cBusRoute;
        public List<Route> cRoute;
        public TransportSystem()
        {
            cLocation = new List<AtomicCityBusScheduler.Location>();
            cBusRoute = new List<AtomicCityBusScheduler.Routing>();
        }

        public bool checkBusTransit(AtomicCityBusScheduler.Route aRoute, AtomicCityBusScheduler.Route bRoute)
        {
            foreach (Routing r in cBusRoute) {
                if (r.from == aRoute) {
                    foreach (Routing r1 in cBusRoute) {
                        if (r1.to == bRoute) {
                            return true;
                        }
                    }
                }
            }
                return false;
        }

         

        public AtomicCityBusScheduler.Location aLocationAt(string locationName)
        {
            return
            cLocation.Find(delegate(AtomicCityBusScheduler.Location obj)
                {
                    return obj.name == locationName;
                });

        }
        public AtomicCityBusScheduler.Route aRouteAt(string locationName)
        {
            return
            cRoute.Find(delegate(AtomicCityBusScheduler.Route obj)
            {
                return obj.name == locationName;
            });

        }

        public Location aLocationNearest(Subgurim.Controles.GLatLng latlon)
        {
            double minDistanceSQ = 10^100;
            Location bestLocation = null;
            foreach (Location l in cLocation)
            {
                double distanceSQ = Math.Pow((latlon.lat - l.latitude), 2) + Math.Pow((latlon.lng - l.longitude), 2);
                if (distanceSQ < minDistanceSQ)
                {
                    minDistanceSQ = distanceSQ;
                    bestLocation = l;
                }
            }
            return bestLocation;

        }
    }

}