package jmri.managers;

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNotSame;

import jmri.*;
import jmri.util.JUnitUtil;

import org.junit.jupiter.api.*;

/**
 * Overall tests of Logix operation, including operation of
 * conditionals.  To ease setup, reads from XML files.
 *
 * @author Bob Jacobsen Copyright (C) 2015
 */
public class LogixSystemTest {

    /**
     * Test of inter-Logix references for Conditionals
     *
     * Creates a sensor, which is watched by a Conditional in Logix 1,
     * which in turn is watched by two Conditionals in Logix 2
     *     (once by system name and once by user name),
     * which in turn each toggle one of two internal Turnouts on changes
     *
     * @throws jmri.JmriException if unable to load test XML
     */
    @Test
    public void testLogixReferenceSetup() throws jmri.JmriException {

        // load and activate sample file
        java.io.File f = new java.io.File("java/test/jmri/managers/LogixSystemTestConditionaReferenceCheck.xml");
        jmri.configurexml.ConfigXmlManager cm = new jmri.configurexml.ConfigXmlManager() {};
        Assertions.assertTrue(cm.load(f));
        InstanceManager.getDefault(jmri.LogixManager.class).activateAllLogixs();

        // get references, in process checking load
        Sensor is1 = InstanceManager.getDefault(jmri.SensorManager.class).getSensor("IS1");
        Turnout it1 = InstanceManager.getDefault(jmri.TurnoutManager.class).getTurnout("IT1");
        Turnout it2 = InstanceManager.getDefault(jmri.TurnoutManager.class).getTurnout("IT2");
        assertNotNull(is1);
        assertNotNull(it1);
        assertNotNull(it2);

        // remember startup state for Turnouts, so can detect change
        int oldIt1 = it1.getState();
        int oldIt2 = it2.getState();

        // drive the sensor change that should cause the Conditionals to change
        is1.setState(jmri.Sensor.ACTIVE);

        // check for propagation (maybe needs a wait someday?)
        assertNotSame( oldIt1, it1.getState(), "IT1");
        assertNotSame( oldIt2, it2.getState(), "IT2");
    }

    @BeforeEach
    public void setUp() {
        JUnitUtil.setUp();
        JUnitUtil.resetInstanceManager();
        JUnitUtil.initInternalTurnoutManager();
        JUnitUtil.initInternalLightManager();
        JUnitUtil.initInternalSensorManager();
        JUnitUtil.initIdTagManager();
    }

    @AfterEach
    public void tearDown() {
        JUnitUtil.deregisterBlockManagerShutdownTask();
        JUnitUtil.tearDown();
    }
}