package jmri.jmrix.srcp;

import jmri.util.JUnitUtil;

import org.junit.Assert;
import org.junit.jupiter.api.*;

/**
 * SRCPMessageTest.java
 * <p>
 * Test for the jmri.jmrix.srcp.SRCPMessage class
 *
 * @author Bob Jacobsen
 * @author Paul Bender Copyright (C) 2017
 */
public class SRCPMessageTest extends jmri.jmrix.AbstractMessageTestBase {

    private SRCPMessage msg = null;

    // Test the string constructor.
    @Test
    public void testStringCtor() {
        String s = "100 OK REASON GOES HERE\n\r";
        msg = new SRCPMessage(s);
        Assert.assertNotNull(m);
        Assert.assertTrue("String Constructor Correct", s.equals(msg.toString()));
    }

    // check validation methods.
    @Test
    public void checkIsKillMain() {
        SRCPMessage m1 = new SRCPMessage("SET 1 POWER ON\n");
        SRCPMessage m2 = new SRCPMessage("SET 1 POWER OFF\n");
        SRCPMessage m3 = new SRCPMessage("SET 1 PWOER ON\n");
        Assert.assertFalse("POWER ON", m1.isKillMain());
        Assert.assertTrue("POWER OFF", m2.isKillMain());
        Assert.assertFalse("Bad POWER message", m3.isKillMain());
    }

    @Test
    public void checkIsEnableMain() {
        SRCPMessage m1 = new SRCPMessage("SET 1 POWER ON\n");
        SRCPMessage m2 = new SRCPMessage("SET 1 POWER OFF\n");
        SRCPMessage m3 = new SRCPMessage("SET 1 PWOER ON\n");
        Assert.assertTrue("POWER ON", m1.isEnableMain());
        Assert.assertFalse("POWER OFF", m2.isEnableMain());
        Assert.assertFalse("Bad POWER message", m3.isEnableMain());
    }

    //Test canned message formats
    @Test
    public void checkGetEnableMain() {
        msg = SRCPMessage.getEnableMain();
        Assert.assertEquals("Enable Main Message", new SRCPMessage("SET 1 POWER ON\n"), msg);
        Assert.assertFalse("not binary", msg.isBinary());
    }

    @Test
    public void checkGetKillMain() {
        msg = SRCPMessage.getKillMain();
        Assert.assertEquals("Kill Main Message", new SRCPMessage("SET 1 POWER OFF\n"), msg);
        Assert.assertFalse("not binary", msg.isBinary());
    }

    @Test
    public void checkGetProgMode() {
        Assert.assertEquals("Init Prog Mode Message", new SRCPMessage("INIT 2 SM NMRA\n"), SRCPMessage.getProgMode(2));
    }

    @Test
    public void checkGetExitProgMode() {
        Assert.assertEquals("Exit Prog Mode Message", new SRCPMessage("TERM 2 SM\n"), SRCPMessage.getExitProgMode(2));
    }

    @Test
    public void checkGetReadDirectCV() {
        msg = SRCPMessage.getReadDirectCV(2, 19);
        Assert.assertEquals("Read CV in Direct Mode Message", new SRCPMessage("GET 2 SM 0 CV 19\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetConfirmDirectCV() {
        msg = SRCPMessage.getConfirmDirectCV(2, 19, 20);
        Assert.assertEquals("Confirm CV in Direct Mode Message", new SRCPMessage("VERIFY 2 SM 0 CV 19 20\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetWriteDirectCV() {
        msg = SRCPMessage.getWriteDirectCV(2, 19, 20);
        Assert.assertEquals("Write CV in Direct Mode Message", new SRCPMessage("SET 2 SM 0 CV 19 20\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetReadBitDirectCV() {
        msg = SRCPMessage.getReadDirectBitCV(2, 19, 1);
        Assert.assertEquals("Read CV Bit in Direct Mode Message", new SRCPMessage("GET 2 SM 0 CVBIT 19 1\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetConfirmBitDirectCV() {
        msg = SRCPMessage.getConfirmDirectBitCV(2, 19, 1, 0);
        Assert.assertEquals("Confirm CV in Direct Mode Message", new SRCPMessage("VERIFY 2 SM 0 CVBIT 19 1 0\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetWriteBitDirectCV() {
        msg = SRCPMessage.getWriteDirectBitCV(2, 19, 1, 0);
        Assert.assertEquals("Write CV in Direct Mode Message", new SRCPMessage("SET 2 SM 0 CVBIT 19 1 0\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetReadRegister() {
        msg = SRCPMessage.getReadRegister(2, 2);
        Assert.assertEquals("Read Register Message", new SRCPMessage("GET 2 SM 0 REG 2\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetReadRegisterIlegalArgument() {
        Assert.assertThrows(IllegalArgumentException.class, () -> SRCPMessage.getReadRegister(2, 10));
    }

    @Test
    public void checkGetConfirmRegister() {
        msg = SRCPMessage.getConfirmRegister(2, 2, 5);
        Assert.assertEquals("Confirm Register Message", new SRCPMessage("VERIFY 2 SM 0 REG 2 5\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetConfirmRegisterIlegalArgument() {
        Assert.assertThrows(IllegalArgumentException.class, () -> SRCPMessage.getConfirmRegister(2, 10, 5));
    }

    @Test
    public void checkGetWriteRegister() {
        msg = SRCPMessage.getWriteRegister(2, 2, 5);
        Assert.assertEquals("Write Register Message", new SRCPMessage("SET 2 SM 0 REG 2 5\n"), msg);
        Assert.assertEquals("Timeout", 180000, msg.getTimeout());
    }

    @Test
    public void checkGetWriteRegisterIlegalArgument() {
        Assert.assertThrows(IllegalArgumentException.class, () -> SRCPMessage.getWriteRegister(2, 10, 5));
    }

    @BeforeEach
    @Override
    public void setUp() {
        JUnitUtil.setUp();
        m = msg = new SRCPMessage();
    }

    @Override
    @AfterEach
    public void tearDown() {
        m = msg = null;
        JUnitUtil.tearDown();
    }
}