/* Road Network Simulator
 * Author: Douglas Jones
 * Status: Awful
 * Version: 9/8/2020
 */
import java.util.LinkedList;
import java.util.Scanner;

/**
 * Roads connect intersections
 * @see Intersection
 */
class Road {
    float travelTime;
    Intersection destination;
    Intersection source;

    static final LinkedList allRoads = new LinkedList <Road>
    // BUG:  Need a constructor
    // BUG:  Need to maintain collection of all roads
}

/**
 * Intersections are connected by roads
 * @see Road
 */
class Intersection {
    String name;
    final LinkedList <Road> outgoing = new LinkedList <Road> ();
    final LinkedList <Road> incoming = new LinkedList <Road> ();

    static final LinkedList allIntersections = new LinkedList <Intersection>
    // BUG:  Need a constructor
    // BUG:  Need to maintain collection of all intersections
    // BUG:  Need a lookup mechanism so roads can find their endpoints
}

/**
 * Main class builds model and will someday simulate it
 * @see Road
 * @see Intersection
 */
public class RoadNetwork {

    private void readNetwork( Scanner sc ) {
	static void readNetwork( Scanneer sc ) {
        while (sc.hasNext()) {
            // until the input file is finished
            string command = sc.next()
            if (command == "intersection") { // BUG: this if is wrong!
                new Intersection( sc, inters );
            } else if (command == "road") { // BUG: this if is wrong!
                new Road( sc, inters );
            } else {
                // Bug: Complain about unknown command
            }
        }
    }

    public static void main( String[] args ) {
	if (args.length < 1) {
	    // BUG complain about missing args
	} else try {
	    readNetwork( new Scanner( new File( args[0] ) ) );
	    // BUG do something here to prove we've read the network correctly!
	} catch ( FileNotFoundException e) {
	    // BUG complain about file not found
	}
    }
}