public class SampleTestCases {


  public static void main (String [] args) {
    SystemManager sm = new SystemManager();
    Location b1 = new BikeDeliveryLocation("BikeDepot1");
    Location b2 = new BikeDeliveryLocation("BikeDepot2");
    Location b3 = new BikeDeliveryLocation("BikeDepot3");

    Location t1 = new TruckDepot("TRUCK001");
    Location t2 = new TruckDepot("TRUCK002");
    Location t3 = new TruckDepot("TRUCK003");
    Location t4 = new TruckDepot("TRUCK004");
    
    Location a1 = new Airport("AAA");
    Location a2 = new Airport("BBB");
 

    sm.addLocation(b1);
    sm.addLocation(b2);
    sm.addLocation(b3);
    sm.addLocation(t1);
    sm.addLocation(t2);
    sm.addLocation(t3);
    sm.addLocation(t4);
    sm.addLocation(a1);
    sm.addLocation(a2);
   

    sm.addLeg(new BikeLeg(b1, t3, 1, "MTWRFSU"));
    sm.addLeg(new BikeLeg(t1, b2, 8, "MTWRFSU"));
    sm.addLeg(new BikeLeg(b2, t2, 2, "MTWRFSU"));
    sm.addLeg(new BikeLeg(t4, b3, 2, "MTWRFSU"));
    
    sm.addLeg(new TruckLeg(t1, t2, 11, "MTWRFSU"));
    sm.addLeg(new TruckLeg(t2, a2, 36, "MTWRFSU"));
    sm.addLeg(new TruckLeg(a2, t4, 42, "MTWRFSU"));
    sm.addLeg(new TruckLeg(t2, t4, 120, "MTWRFSU")); 
    sm.addLeg(new TruckLeg(t3, a1, 19, "MTWRFSU"));
    
    sm.addLeg(new Flight(a1, a2, 221, "MTWRFSU"));
   
    
    // TruckDepot t1 to TruckDepot t4
    System.out.println("------- t1 to t4 ----------");
    Route rA = sm.findCheapestRoute(sm.findLocation("TRUCK001"), sm.findLocation("TRUCK004"), "M");
    System.out.println("\n\nCheapest Route: ");
    System.out.println(rA);

    Route rB = sm.findShortestKmRoute(sm.findLocation("TRUCK001"), sm.findLocation("TRUCK004"), "M");
    System.out.println("\n\nShortest Route:\n " + rB);

    System.out.println("");

    // BikeDepot 1 to BikeDepot 3
    System.out.println("------- b1 to b3 ----------");
    Route r1 = sm.findCheapestRoute(sm.findLocation("BikeDepot1"), sm.findLocation("BikeDepot3"),"M");
    System.out.println("Cheapest: " + r1);
    Route r2 = sm.findShortestKmRoute(sm.findLocation("BikeDepot1"), sm.findLocation("BikeDepot3"), "M");
    System.out.println("\n\nShortest Route:\n " + r2);

   

    // TruckDepot 4 to BikeDepot 1  NOT POSSIBLE
    System.out.println("------- 4 to 5 ----------");
    r1 = sm.findCheapestRoute(sm.findLocation("TRUCK004"), sm.findLocation("BikeDepot1"),"M");
    System.out.println("\n\nCheapest: ");
    System.out.println(r1);
    r2 = sm.findShortestKmRoute(sm.findLocation("TRUCK004"), sm.findLocation("BikeDepot1"), "M");
    System.out.println("\n\nShortest Route:\n " + r2);

  } // main
}



/***********************************************************
Solution:
***********************************************************
NPP_EXEC: "Java Compile and Run"
C:\Program Files\Java\jdk-9.0.1\bin\javac SampleTestCases.java
Process started (PID=14792) >>>
<<< Process finished (PID=14792). (Exit code 0)
C:\Program Files\Java\jdk-9.0.1\bin\java SampleTestCases
Process started (PID=17972) >>>
------- t1 to t4 ----------


Cheapest Route: 
Steps: 3 Distance: 89 Cost: 51.62
Route Start:
Origin: TRUCK001 Destination: TRUCK002
Origin: TRUCK002 Destination: BBB
Origin: BBB Destination: TRUCK004
Route End. 



Shortest Route:
 Steps: 4 Distance: 88 Cost: 55.239999999999995
Route Start:
Origin: TRUCK001 Destination: BikeDepot2
Origin: BikeDepot2 Destination: TRUCK002
Origin: TRUCK002 Destination: BBB
Origin: BBB Destination: TRUCK004
Route End. 


------- b1 to b3 ----------
Cheapest: Steps: 5 Distance: 285 Cost: 89.21
Route Start:
Origin: BikeDepot1 Destination: TRUCK003
Origin: TRUCK003 Destination: AAA
Origin: AAA Destination: BBB
Origin: BBB Destination: TRUCK004
Origin: TRUCK004 Destination: BikeDepot3
Route End. 



Shortest Route:
 Steps: 5 Distance: 285 Cost: 89.21
Route Start:
Origin: BikeDepot1 Destination: TRUCK003
Origin: TRUCK003 Destination: AAA
Origin: AAA Destination: BBB
Origin: BBB Destination: TRUCK004
Origin: TRUCK004 Destination: BikeDepot3
Route End. 

------- 4 to 5 ----------
Exception in thread "main" java.lang.NullPointerException
*/