package jmri.swing;

import java.io.*;
import java.util.Comparator;

import jmri.NamedBean;
import jmri.jmrix.ConnectionStatus;
import jmri.jmrix.DefaultSystemConnectionMemo;
import jmri.util.JUnitUtil;
import jmri.util.junit.annotations.DisabledIfHeadless;

import org.junit.jupiter.api.*;

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

/**
 * Tests for the jmri.jmrix.ConnectionLabel class
 *
 * @author Bob Jacobsen Copyright (c) 2001, 2002
 * @author Paul Bender Copyright (C) 2017
 */
public class ConnectionLabelTest {

    private jmri.jmrix.ConnectionConfig config = null;

    @Test
    @DisabledIfHeadless
    public void testCTor() {
        ConnectionLabel action = new ConnectionLabel(config);
        assertNotNull(action);
    }

    @Test
    @DisabledIfHeadless
    public void checkSuccessColor() {
        ConnectionStatus.instance().setConnectionState(config.getAdapter().getSystemConnectionMemo(), ConnectionStatus.CONNECTION_UP);
        ConnectionLabel action = new ConnectionLabel(config);
        assertEquals( java.awt.Color.BLACK, action.getForeground(), "Color for Success");
    }

    @Test
    @DisabledIfHeadless
    public void checkUnknownColor() {
        ConnectionStatus.instance().setConnectionState(config.getAdapter().getSystemConnectionMemo(), ConnectionStatus.CONNECTION_UNKNOWN);
        ConnectionLabel action = new ConnectionLabel(config);
        // unknown is currently the same color as up.
        assertEquals( java.awt.Color.BLACK, action.getForeground(), "Color for Unknown");
    }

    @Test
    @DisabledIfHeadless
    public void checkFailColor() {
        ConnectionStatus.instance().setConnectionState(config.getAdapter().getSystemConnectionMemo(), ConnectionStatus.CONNECTION_DOWN);
        ConnectionLabel action = new ConnectionLabel(config);
        assertEquals( java.awt.Color.RED, action.getForeground(), "Color for Failure");
    }

    @Test
    @DisabledIfHeadless
    public void checkColorOnChangeFromSuccess() {
        ConnectionStatus.instance().setConnectionState(config.getAdapter().getSystemConnectionMemo(), ConnectionStatus.CONNECTION_UP);
        ConnectionLabel action = new ConnectionLabel(config);
        ConnectionStatus.instance().setConnectionState(config.getAdapter().getSystemConnectionMemo(), ConnectionStatus.CONNECTION_DOWN);
        assertEquals( java.awt.Color.RED, action.getForeground(), "Color for Failure after success");
    }

    @Test
    @DisabledIfHeadless
    public void checkColorOnChangeFromFailure() {
        ConnectionStatus.instance().setConnectionState(config.getAdapter().getSystemConnectionMemo(), ConnectionStatus.CONNECTION_DOWN);
        ConnectionLabel action = new ConnectionLabel(config);
        ConnectionStatus.instance().setConnectionState(config.getAdapter().getSystemConnectionMemo(), ConnectionStatus.CONNECTION_UP);
        assertEquals( java.awt.Color.BLACK, action.getForeground(), "Color for Failure after success");
    }

    @BeforeEach
    public void setUp() {
        JUnitUtil.setUp();

        DefaultSystemConnectionMemo memo = new DefaultSystemConnectionMemo("T", "Test") {
            @Override
            protected java.util.ResourceBundle getActionModelResourceBundle() {
                return null;
            }

            @Override
            public <B extends NamedBean> Comparator<B> getNamedBeanComparator(Class<B> type) {
                return null;
            }
        };

        config = new jmri.jmrix.AbstractConnectionConfig() {
            @Override
            protected void checkInitDone() {
            }

            @Override
            public void updateAdapter() {
            }

            @Override
            protected void setInstance() {
            }

            @Override
            public String getInfo() {
                return "foo";
            }

            @Override
            public void loadDetails(final javax.swing.JPanel details) {
            }

            @Override
            protected void showAdvancedItems() {
            }

            @Override
            public String getManufacturer() {
                return "foo";
            }

            @Override
            public void setManufacturer(String manufacturer) {
            }

            @Override
            public String getConnectionName() {
                return "bar";
            }

            @Override
            public boolean getDisabled() {
                return false;
            }

            @Override
            public void setDisabled(boolean disabled) {
            }

            @Override
            public jmri.jmrix.PortAdapter getAdapter() {

                return new jmri.jmrix.AbstractPortController(memo) {

                    @Override
                    public DataInputStream getInputStream() {
                        return null;
                    }

                    @Override
                    public DataOutputStream getOutputStream() {
                        return null;
                    }

                    @Override
                    public String getCurrentPortName() {
                        return null;
                    }

                    @Override
                    public void configure() {
                    }

                    @Override
                    public void connect() throws IOException {
                    }

                };
            }

            @Override
            public String name() {
                return "bar";
            }
        };
    }

    @AfterEach
    public void tearDown() {
        config.setDisabled(true);
        config = null;
        JUnitUtil.tearDown();
    }

}