import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * The test class MailServerTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class MailServerTest
{
    private MailServer mailServer;
    private MailItem messEmptyFrom;
    private MailItem messEmptyTo;
    private MailItem mess1User1to2;
    private MailItem mess2User1to2;
    private MailItem messTwoReceivers;
    private MailItem messUnknownReceiver;
    private MailItem messSpamSubj;
    private MailItem messSpamBody;
    /**
     * Default constructor for test class MailServerTest
     */
    public MailServerTest()
    {

    }

    /**
     * Sets up the test fixture.
     *
     * Called before every test case method.
     */
    @Before
    public void setUp()
    {
        mailServer = new MailServer();
        mailServer.createMailbox("user1");
        mailServer.createMailbox("user2");
        mailServer.createMailbox("user3");
        messEmptyFrom = new MailItem("", "foo", "", "");
        messEmptyTo = new MailItem("foo", "", "", "");
        mess1User1to2 = new MailItem("user1", "user2", "1", "");
        mess2User1to2 = new MailItem("user1", "user2", "2", "");
        messTwoReceivers = new MailItem("user1", "user2,user3", "", "");
        messUnknownReceiver = new MailItem("user1", "unknown", "foo", "bar");
        messSpamSubj = new MailItem("user1", "user2", "xxxSpAmyyy", "");
        messSpamBody = new MailItem("user1", "user2", "", "xxxvI  a Gr AA yyy");
    }

    /**
     * Tears down the test fixture.
     *
     * Called after every test case method.
     */
    @After
    public void tearDown()
    {
    }

    @Test
    public void testEmptyFrom()
    {
        mailServer.post(messEmptyFrom);
        assert mailServer.howManyMessages() == 0;
    }

    @Test
    public void testEmptyTo()
    {
        mailServer.post(messEmptyTo);
        assert mailServer.howManyMessages() == 0;
    }

    @Test
    public void testMessageRemoval()
    {
        mailServer.post(mess1User1to2);
        assert mailServer.howManyMessages() == 1;
        System.out.println(mailServer.getNextMailItem("user2"));
        System.out.println(mess1User1to2);
        assert mailServer.getNextMailItem("user2") == mess1User1to2;
        assert mailServer.howManyMessages() == 0;
    }

    @Test
    public void testCreateMailboxes()
    {
        String[] usernames;
        usernames = new String[100];
        for (int i=1; i<100; i++) {
            usernames[i] = "user" + String.valueOf(i);
        }
        System.out.println(mailServer.createMailbox(usernames));
    }

    @Test
    public void testReceiveOrder()
    {

    }
}