package jmri.jmrit.throttle;

import java.io.File;

import jmri.InstanceManager;
import jmri.jmrit.throttle.implementation.ThrottleFrame;
import jmri.jmrit.throttle.panels.FunctionButton;
import jmri.DccLocoAddress;
import jmri.util.JUnitUtil;
import jmri.util.junit.annotations.ToDo;
import jmri.util.swing.JemmyUtil;

import org.junit.Assert;
import org.junit.Assume;
import org.junit.jupiter.api.*;
import org.junit.jupiter.api.condition.DisabledIfSystemProperty;
import org.junit.jupiter.api.io.TempDir;

/**
 * Test simple functioning of ThrottleFrame
 *
 * @author Paul Bender Copyright (C) 2016
 */
@ToDo("Investigate Jemmy issue")
@Disabled("Jemmy has trouble locating internal frame")
@DisabledIfSystemProperty(named = "java.awt.headless", matches = "true")
public class ThrottleFrameTest {

    @TempDir
    File folder;

    private ThrottleWindow frame = null;
    private ThrottleFrame panel = null;
    private ThrottleOperator to = null;

    @Test
    public void testCtor() {
        Assert.assertNotNull("exists", panel);
    }

    @Test
    public void testSetAndReleaseAddress() {

        to.typeAddressValue(42);
        to.pushSetButton();
        Assert.assertEquals("address set", new DccLocoAddress(42, false),
                to.getAddressValue());

        to.pushReleaseButton();
    }

    @Test
    public void testSetWithoutRelease() {

        to.setAddressValue(new DccLocoAddress(42, false));

        Assert.assertEquals("address set", new DccLocoAddress(42, false),
                to.getAddressValue());
        // don't release the throttle here.  When the frame is disposed,
        // the throttle will still be attached, which causes a different code
        // path to be executed.
    }

    @Test
    public void testInitialFunctionStatus() {

        to.setAddressValue(new DccLocoAddress(42, false));

        for (int i = 0; i <= 28; i++) {
            FunctionButton f = to.getFunctionButton(i);
            Assert.assertFalse("Function F" + i + " off", f.isSelected());
            Assert.assertTrue("Function F" + i + " continuous", f.getIsLockable());
        }

        to.pushReleaseButton();
    }

    @Test
    @Disabled("Works locally (Linux) and on Appveyor (Windows).  Unable to find popup after click on Travis")
    public void testToggleMomentaryStatus() {

        to.setAddressValue(new DccLocoAddress(42, false));

        // only check through function 5, since all the buttons
        // are the same class.
        for (int i = 0; i <= 5; i++) {
            FunctionButton f = to.getFunctionButton(i);
            Assert.assertTrue("Function F" + i + " continuous", f.getIsLockable());
            to.toggleFunctionMomentary(i);
            new org.netbeans.jemmy.QueueTool().waitEmpty();  //pause for frame to close
            Assert.assertFalse("Function F" + i + " momentary", f.getIsLockable());
        }

        to.pushReleaseButton();
    }

    @Test
    public void testToggleOnOffStatus() {
        frame.setExtendedState(frame.getExtendedState() | java.awt.Frame.MAXIMIZED_BOTH);
        panel.toFront();

        to.setAddressValue(new DccLocoAddress(42, false));

        // only check through function 5, since all the buttons
        // are the same class.
        for (int i = 0; i <= 5; i++) {
            FunctionButton f = to.getFunctionButton(i);
            Assert.assertFalse("Function F" + i + " off", f.isSelected());
            JemmyUtil.enterClickAndLeave(f);
            new org.netbeans.jemmy.QueueTool().waitEmpty();  //pause for frame to close
            Assert.assertTrue("Function F" + i + " on", f.isSelected());
        }

        to.pushReleaseButton();
    }

    // Tests for Control (Speed and Direction) panel.
    @Test
    public void testStopButton() {
        Assume.assumeFalse("Ignoring intermittent test", Boolean.getBoolean("jmri.skipTestsRequiringSeparateRunning"));

        to.setAddressValue(new DccLocoAddress(42, false));
        to.setSpeedSlider(28);

        to.pushStopButton();
        // should verify the throttle is set to stop.
        Assert.assertEquals("Speed set to Stop", 0, to.getSpeedSliderValue());
        Assert.assertTrue("Throttle Speed Stop", to.getAttachedThrottle().getSpeedSetting() < 0);

        to.pushReleaseButton();
    }

    @Test
    public void testEStopButton() {
        Assume.assumeFalse("Ignoring intermittent test", Boolean.getBoolean("jmri.skipTestsRequiringSeparateRunning"));

        frame.setExtendedState(frame.getExtendedState() | java.awt.Frame.MAXIMIZED_BOTH);
        panel.toFront();

        to.setAddressValue(new DccLocoAddress(42, false));
        to.setSpeedSlider(28);

        to.pushEStopButton();
        // should verify the throttle is set to stop.
        Assert.assertEquals("Speed set to EStop", 0, to.getSpeedSliderValue());
        Assert.assertTrue("Throttle Speed EStop", to.getAttachedThrottle().getSpeedSetting() < 0);

        to.pushReleaseButton();
    }

    @Test
    public void testIdleButton() {

        to.setAddressValue(new DccLocoAddress(42, false));
        to.setSpeedSlider(28);

        to.pushIdleButton();
        // should verify the throttle is set to Idle.
        Assert.assertEquals("Speed set to Stop", 0, to.getSpeedSliderValue());
        Assert.assertEquals("Throttle Speed Idle", 0.0, to.getAttachedThrottle().getSpeedSetting(), 0.005);

        to.pushReleaseButton();
    }

    @Test
    @Disabled("This test fails often on Windows CI")
    public void testSliderMaximumSpeed() {

        to.setAddressValue(new DccLocoAddress(42, false));

        to.speedSliderMaximum();

        Assert.assertEquals("Speed set to Maximum", 126, to.getSpeedSliderValue());
        Assert.assertEquals("Throttle Speed Maximum", 1.0, to.getAttachedThrottle().getSpeedSetting(), 0.005);

        to.pushReleaseButton();
    }

    @Test
    public void testSliderMinimumSpeed() {

        to.setAddressValue(new DccLocoAddress(42, false));

        to.setSpeedSlider(28);
        to.slideSpeedSlider(1); // jemmy can't slide the slider to zero for some
        // reason.
        Assert.assertEquals("Speed set to Minimum", 1, to.getSpeedSliderValue());

        to.pushReleaseButton();
    }

    @Test
    public void testForwardButtonPress() {

        to.setAddressValue(new DccLocoAddress(42, false));

        to.pushForwardButton(); // need to verify this took effect.
        Assert.assertTrue("Forward Direction", to.getAttachedThrottle().getIsForward());

        to.pushReleaseButton();
    }

    @Test
    public void testReverseButtonPress() {

        to.setAddressValue(new DccLocoAddress(42, false));

        to.pushReverseButton(); // need to verify this took effect.
        Assert.assertFalse("Reverse Direction", to.getAttachedThrottle().getIsForward());
        to.pushReleaseButton();
    }

    @Test
    public void testDirectionChangeWhileMoving() {

        to.setAddressValue(new DccLocoAddress(42, false));
        to.setSpeedSlider(28);

        Assert.assertEquals("Speed setting 28", 28, to.getSpeedSliderValue());
        float speed = to.getAttachedThrottle().getSpeedSetting();

        to.pushForwardButton(); // need to verify this took effect.
        Assert.assertTrue("Forward Direction", to.getAttachedThrottle().getIsForward());
        // and the absolute value of the speed is the same.

        Assert.assertEquals("Throttle Speed Setting after forward", Math.abs(speed), Math.abs(to.getAttachedThrottle().getSpeedSetting()), 0.0);

        to.pushReverseButton(); // need to verify this took effect.
        Assert.assertFalse("Reverse Direction", to.getAttachedThrottle().getIsForward());
        // and the absolute value of the speed is the same.

        Assert.assertEquals("Throttle Speed Setting after reverse", Math.abs(speed), Math.abs(to.getAttachedThrottle().getSpeedSetting()), 0.0);

        to.pushReleaseButton();
    }

    @Test
    public void testChangeToSpeedStepMode() {

        to.setAddressValue(new DccLocoAddress(42, false));

        to.setSpeedStepDisplay();

        to.pushReleaseButton();
    }

    @Test
    public void testSpinnerMaximumSpeed() {

        to.setAddressValue(new DccLocoAddress(42, false));
        to.setSpeedStepDisplay();

        to.speedSpinnerMaximum();

        Assert.assertEquals("Throttle Speed Maximum", 1.0, to.getAttachedThrottle().getSpeedSetting(), 0.005);

        to.pushReleaseButton();
    }

    @Test
    public void testSpinnerMinimumSpeed() {

        to.setAddressValue(new DccLocoAddress(42, false));
        to.setSpeedStepDisplay();

        to.setSpeedSpinner(28);
        to.speedSpinnerMinimum();
        Assert.assertEquals("Throttle Speed Minimum", 0.0, to.getAttachedThrottle().getSpeedSetting(), 0.005);

        to.pushReleaseButton();
    }

    @Test
    public void testDispatchReleaseButtonPropertyChangeListener() {

        Assert.assertFalse("Release button NOT enabled as no loco", to.releaseButtonEnabled());
        Assert.assertFalse("Dispatch button NOT enabled as no loco", to.dispatchButtonEnabled());

        to.setAddressValue(new DccLocoAddress(1234, true));

        Assert.assertTrue("Release button enabled", to.releaseButtonEnabled());

        to.getAttachedThrottle().notifyThrottleReleaseEnabled(true);
        to.getAttachedThrottle().notifyThrottleDispatchEnabled(true);

        Assert.assertTrue("Dispatch button enabled", to.dispatchButtonEnabled());
        Assert.assertTrue("Release button enabled", to.releaseButtonEnabled());

        to.getAttachedThrottle().notifyThrottleDispatchEnabled(false);
        to.getAttachedThrottle().notifyThrottleReleaseEnabled(false);

        Assert.assertFalse("Release button NOT enabled", to.releaseButtonEnabled());
        Assert.assertFalse("Dispatch button NOT enabled", to.dispatchButtonEnabled());
    }

    @BeforeEach
    public void setUp() {
        JUnitUtil.setUp();
        JUnitUtil.resetProfileManager();
        JUnitUtil.initRosterConfigManager();
        JUnitUtil.initDebugThrottleManager();

        frame = new ThrottleWindow();
        panel = new ThrottleFrame(frame);
        frame.setExtendedState(frame.getExtendedState() | java.awt.Frame.MAXIMIZED_BOTH);
        panel.toFront();
        to = new ThrottleOperator(Bundle.getMessage("ThrottleTitle"));

    }

    @AfterEach
    public void tearDown() {

        to.requestClose();
        new org.netbeans.jemmy.QueueTool().waitEmpty();  //pause for frame to close
        JUnitUtil.dispose(frame);
        // the throttle list frame gets created above, but needs to be shown to be disposed
        InstanceManager.getDefault(ThrottleFrameManager.class).showThrottlesList();
        JUnitUtil.disposeFrame(Bundle.getMessage("ThrottleListFrameTile"), true, true);

        JUnitUtil.clearShutDownManager();
        panel = null;
        frame = null;
        to = null;
        JUnitUtil.resetWindows(false,false);
        JUnitUtil.tearDown();
    }
}