/*
file name:      ServerTests.java
Authors:        Ike Lage
last modified:  03/12/2025

How to run:     java -ea ServerTests
*/

//See worked example the tests are derived from here: 
//https://docs.google.com/presentation/d/1C4EWP6t8PDN8dXzG59pZVAzKFfb2Hgvi78Rb1l1mr4M/edit#slide=id.g2905fa579fe_0_26

public class ServerTests {

    public static double serverTests() {
           
        double score = 0;

        Server server = new Server();

        Job j1 = new Job(0 , 3.5);
        server.processTo( j1.getArrivalTime() );
        server.addJob( j1 );
        System.out.println( server.remainingWorkInQueue() + " == 3.5" );
        assert server.remainingWorkInQueue() == 3.5;
        if (server.remainingWorkInQueue() == 3.5 ) {
       		score += 0.5 ;
       	}

        Job j2 = new Job(2.5 , 0.5);
        server.processTo( j2.getArrivalTime() );
        server.addJob( j2 );
        System.out.println( server.remainingWorkInQueue() + " == 1.5" );
        assert server.remainingWorkInQueue() == 1.5;
        if (server.remainingWorkInQueue() == 1.5 ) {
       		score += 0.5 ;
       	}

        Job j3 = new Job(4.5 , 1.5);
        server.processTo( j3.getArrivalTime() );
        server.addJob( j3 );
        System.out.println( server.remainingWorkInQueue() + " == 1.5" );
        assert server.remainingWorkInQueue() == 1.5;
        if (server.remainingWorkInQueue() == 1.5 ) {
       		score += 0.5 ;
       	}

        Job j4 = new Job(5.0 , 2.0);
        server.processTo( j4.getArrivalTime() );
        server.addJob( j4 );
        System.out.println( server.remainingWorkInQueue() + " == 3.0" );
        assert server.remainingWorkInQueue() == 3.0;
        if (server.remainingWorkInQueue() == 3.0 ) {
       		score += 0.5 ;
       	}

        //Finish up the last job
        server.processTo( j4.getArrivalTime() + j4.getProcessingTimeNeeded() + server.remainingWorkInQueue() );
        System.out.println( server.remainingWorkInQueue() + " == 0." );
        assert server.remainingWorkInQueue() == 0;
        if (server.remainingWorkInQueue() == 0. ) {
       		score += 0.5 ;
       	}

        //Compute total waiting time
        //Note, waiting time includes processing time and time spent waiting to be processed
        //This isn't worked out in the slides, but you have enough information to do it yourself if you'd like
        System.out.println( server.getTotalWaitingTime() + " == 9.5" );
        assert server.getTotalWaitingTime() == 9.5;
        if (server.getTotalWaitingTime() == 9.5 ) {
       		score += 0.5 ;
       	}

        return score ;
    }

    public static void main(String[] args) {
    	System.out.println( serverTests() );
    }

}