// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.List;

import org.junit.Rule;
import org.junit.Test;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.imagery.ImageryInfo;
import org.openstreetmap.josm.gui.layer.TMSLayer;
import org.openstreetmap.josm.testutils.JOSMTestRules;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;

/**
 * Unit tests for class {@link AddImageryLayerAction}.
 */
public final class AddImageryLayerActionTest {
    /**
     * We need prefs for this. We need platform for actions and the OSM API for checking blacklist.
     * The timeout is set to default httpclient read timeout + connect timeout + a small delay to ignore
     * common but harmless network issues.
     */
    @Rule
    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
    public JOSMTestRules test = new JOSMTestRules().preferences().platform().fakeAPI().timeout(45500);

    /**
     * Unit test of {@link AddImageryLayerAction#updateEnabledState}.
     */
    @Test
    public void testEnabledState() {
        assertTrue(new AddImageryLayerAction(new ImageryInfo("foo")).isEnabled());
        assertTrue(new AddImageryLayerAction(new ImageryInfo("foo_tms", "http://bar", "tms", null, null)).isEnabled());
        assertTrue(new AddImageryLayerAction(new ImageryInfo("foo_bing", "http://bar", "bing", null, null)).isEnabled());
        assertTrue(new AddImageryLayerAction(new ImageryInfo("foo_scanex", "http://bar", "scanex", null, null)).isEnabled());
        assertTrue(new AddImageryLayerAction(new ImageryInfo("foo_wms_endpoint", "http://bar", "wms_endpoint", null, null)).isEnabled());
    }

    /**
     * Unit test of {@link AddImageryLayerAction#actionPerformed} - Enabled cases for TMS.
     */
    @Test
    public void testActionPerformedEnabled() {
        assertTrue(Main.getLayerManager().getLayersOfType(TMSLayer.class).isEmpty());
        new AddImageryLayerAction(new ImageryInfo("foo_tms", "http://bar", "tms", null, null)).actionPerformed(null);
        List<TMSLayer> tmsLayers = Main.getLayerManager().getLayersOfType(TMSLayer.class);
        assertEquals(1, tmsLayers.size());
        Main.getLayerManager().removeLayer(tmsLayers.get(0));
    }

    /**
     * Unit test of {@link AddImageryLayerAction#actionPerformed} - disabled case.
     */
    @Test
    public void testActionPerformedDisabled() {
        assertTrue(Main.getLayerManager().getLayersOfType(TMSLayer.class).isEmpty());
        try {
            new AddImageryLayerAction(new ImageryInfo("foo")).actionPerformed(null);
        } catch (IllegalArgumentException expected) {
            assertEquals("Parameter 'info.url' must not be null", expected.getMessage());
        }
        assertTrue(Main.getLayerManager().getLayersOfType(TMSLayer.class).isEmpty());
    }
}