/*
 * Copyright The WildFly Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package org.wildfly.test.integration.microprofile.config.smallrye.app;

import static org.wildfly.test.integration.microprofile.config.smallrye.AssertUtils.assertTextContainsProperty;

import java.net.URL;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.Optional;

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.container.test.api.RunAsClient;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.test.api.ArquillianResource;
import org.jboss.as.arquillian.api.ServerSetup;
import org.jboss.as.test.shared.PermissionUtils;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.wildfly.test.integration.microprofile.config.smallrye.AbstractMicroProfileConfigTestCase;
import org.wildfly.test.integration.microprofile.config.smallrye.SubsystemConfigSourceTask;

/**
 * @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2017 Red Hat inc.
 * @author Jan Stourac <jstourac@redhat.com>
 */
@RunWith(Arquillian.class)
@RunAsClient
@ServerSetup(SubsystemConfigSourceTask.class)
public class MicroProfileConfigTestCase extends AbstractMicroProfileConfigTestCase {

    @Deployment(testable = false)
    public static Archive<?> deploy() {
        WebArchive war = ShrinkWrap.create(WebArchive.class, "MicroProfileConfigTestCase.war")
                .addClasses(TestApplication.class)
                .addAsWebInfResource(EmptyAsset.INSTANCE, "beans.xml")
                .addAsManifestResource(MicroProfileConfigTestCase.class.getPackage(),
                        "microprofile-config.properties", "microprofile-config.properties")
                .addAsManifestResource(PermissionUtils.createPermissionsXmlAsset(createPermissions(
                        "my.prop",
                        "my.other.prop",
                        SubsystemConfigSourceTask.MY_PROP_FROM_SUBSYSTEM_PROP_NAME,
                        "optional.injected.prop.that.is.not.configured",
                        "my.prop.from.meta",
                        "node0",
                        "MPCONFIG_TEST_ENV_VAR",
                        "boolTrue",
                        "bool1",
                        "boolYes",
                        "boolY",
                        "boolOn",
                        "boolDefault",
                        SubsystemConfigSourceTask.BOOL_OVERRIDDEN_PROP_NAME,
                        "booleanDefault",
                        SubsystemConfigSourceTask.BOOLEAN_OVERRIDDEN_PROP_NAME,
                        "intDefault",
                        SubsystemConfigSourceTask.INT_OVERRIDDEN_PROP_NAME,
                        "integerDefault",
                        SubsystemConfigSourceTask.INTEGER_OVERRIDDEN_PROP_NAME,
                        "intBadValue",
                        "integerBadValue",
                        "longDefault",
                        SubsystemConfigSourceTask.LONG_OVERRIDDEN_PROP_NAME,
                        "longClassDefault",
                        SubsystemConfigSourceTask.LONG_CLASS_OVERRIDDEN_PROP_NAME,
                        "longBadValue",
                        "longClassBadValue",
                        "floatDefault",
                        SubsystemConfigSourceTask.FLOAT_OVERRIDDEN_PROP_NAME,
                        "floatClassDefault",
                        SubsystemConfigSourceTask.FLOAT_CLASS_OVERRIDDEN_PROP_NAME,
                        "floatBadValue",
                        "floatClassBadValue",
                        "doubleDefault",
                        SubsystemConfigSourceTask.DOUBLE_OVERRIDDEN_PROP_NAME,
                        "doubleClassDefault",
                        SubsystemConfigSourceTask.DOUBLE_CLASS_OVERRIDDEN_PROP_NAME,
                        "doubleBadValue",
                        "doubleClassBadValue",
                        SubsystemConfigSourceTask.PROPERTIES_PROP_NAME0,
                        SubsystemConfigSourceTask.PROPERTIES_PROP_NAME1,
                        SubsystemConfigSourceTask.PROPERTIES_PROP_NAME2,
                        SubsystemConfigSourceTask.PROPERTIES_PROP_NAME3,
                        SubsystemConfigSourceTask.PROPERTIES_PROP_NAME4,
                        SubsystemConfigSourceTask.PROPERTIES_PROP_NAME5,
                        "myPets",
                        "my.prop.never.defined",
                        "my_prop_never_defined",
                        "myPetsOverridden"
                )), "permissions.xml");

        return war;
    }

    @ArquillianResource
    private URL url;

    private final String appContext = "microprofile";

    /**
     * Check that we get default values for properties except for one, which should have value loaded from the
     * subsystem. There is also checked that property form META-INF file and also some System Property is loaded.
     *
     * @throws Exception
     */
    @Test
    public void testGetWithConfigProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            assertTextContainsProperty(text, "my.prop.never.defined", Optional.empty().toString());
            assertTextContainsProperty(text, "my.prop", "BAR");
            assertTextContainsProperty(text, "my.other.prop", false);
            assertTextContainsProperty(text, "optional.injected.prop.that.is.not.configured",
                    Optional.empty().toString());

            assertTextContainsProperty(text, SubsystemConfigSourceTask.MY_PROP_FROM_SUBSYSTEM_PROP_NAME,
                    SubsystemConfigSourceTask.MY_PROP_FROM_SUBSYSTEM_PROP_VALUE);
            assertTextContainsProperty(text, "node0", System.getProperty("node0"));
            assertTextContainsProperty(text, "MPCONFIG_TEST_ENV_VAR", System.getenv("MPCONFIG_TEST_ENV_VAR"));
        }
    }

    /**
     * Check boolean/Boolean type is correctly handled in regards of the default values, no default values and if it is
     * overridden.
     *
     * @throws Exception
     */
    @Test
    public void testGetBooleanProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.BOOLEAN_APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            assertTextContainsProperty(text, "boolTrue", true);
            assertTextContainsProperty(text, "bool1", true);
            assertTextContainsProperty(text, "boolYes", true);
            assertTextContainsProperty(text, "boolY", true);
            assertTextContainsProperty(text, "boolOn", true);

            assertTextContainsProperty(text, "boolDefault", true);
            assertTextContainsProperty(text, SubsystemConfigSourceTask.BOOL_OVERRIDDEN_PROP_NAME, true);

            assertTextContainsProperty(text, "booleanDefault", true);
            assertTextContainsProperty(text, SubsystemConfigSourceTask.BOOLEAN_OVERRIDDEN_PROP_NAME, true);
        }
    }

    /**
     * Check int/Integer type is correctly handled in regards of the default values, no default values and if it is
     * overridden.
     *
     * @throws Exception
     */
    @Test
    public void testGetIntegerProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.INTEGER_APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            assertTextContainsProperty(text, "intDefault", -42);
            assertTextContainsProperty(text, SubsystemConfigSourceTask.INT_OVERRIDDEN_PROP_NAME,
                    SubsystemConfigSourceTask.INTEGER_OVERRIDDEN_PROP_VALUE);

            assertTextContainsProperty(text, "integerDefault", -42);
            assertTextContainsProperty(text, SubsystemConfigSourceTask.INTEGER_OVERRIDDEN_PROP_NAME,
                    SubsystemConfigSourceTask.INTEGER_OVERRIDDEN_PROP_VALUE);
        }
    }

    /**
     * Check long/Long type is correctly handled in regards of the default values, no default values and if it is
     * overridden.
     *
     * @throws Exception
     */
    @Test
    public void testGetLongProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.LONG_APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            assertTextContainsProperty(text, "longDefault", -42);
            assertTextContainsProperty(text, SubsystemConfigSourceTask.LONG_OVERRIDDEN_PROP_NAME, SubsystemConfigSourceTask.LONG_OVERRIDDEN_PROP_VALUE);

            assertTextContainsProperty(text, "longClassDefault", -42);
            assertTextContainsProperty(text, SubsystemConfigSourceTask.LONG_CLASS_OVERRIDDEN_PROP_NAME, SubsystemConfigSourceTask.LONG_OVERRIDDEN_PROP_VALUE);
        }
    }

    /**
     * Check float/Float type is correctly handled in regards of the default values, no default values and if it is
     * overridden.
     *
     * @throws Exception
     */
    @Test
    public void testGetFloatProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.FLOAT_APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            assertTextContainsProperty(text, "floatDefault", -3.14);
            assertTextContainsProperty(text, SubsystemConfigSourceTask.FLOAT_OVERRIDDEN_PROP_NAME, SubsystemConfigSourceTask.FLOAT_OVERRIDDEN_PROP_VALUE);

            assertTextContainsProperty(text, "floatClassDefault", Float.valueOf("-3.14e10"));
            assertTextContainsProperty(text, SubsystemConfigSourceTask.FLOAT_CLASS_OVERRIDDEN_PROP_NAME, SubsystemConfigSourceTask.FLOAT_OVERRIDDEN_PROP_VALUE);
        }
    }

    /**
     * Check double/Double type is correctly handled in regards of the default values, no default values and if it is
     * overridden.
     *
     * @throws Exception
     */
    @Test
    public void testGetDoubleProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.DOUBLE_APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            assertTextContainsProperty(text, "doubleDefault", -3.14);
            assertTextContainsProperty(text, SubsystemConfigSourceTask.DOUBLE_OVERRIDDEN_PROP_NAME, SubsystemConfigSourceTask.DOUBLE_OVERRIDDEN_PROP_VALUE);

            assertTextContainsProperty(text, "doubleClassDefault", Double.valueOf("-3.14e10"));
            assertTextContainsProperty(text, SubsystemConfigSourceTask.DOUBLE_CLASS_OVERRIDDEN_PROP_NAME, SubsystemConfigSourceTask.DOUBLE_OVERRIDDEN_PROP_VALUE);
        }
    }

    /**
     * Check String array, List and Set properties are correctly handled in regards of the default values.
     *
     * @throws Exception
     */
    @Test
    public void testGetWithArraySetListDefaultProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.ARRAY_SET_LIST_DEFAULT_APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            LinkedList<String> petsList = new LinkedList<>();
            petsList.add("cat");
            petsList.add("lama,yokohama");

            assertTextContainsProperty(text, "myPets as String array", Arrays.toString(new String[]{"horse","monkey,donkey"}));
            assertTextContainsProperty(text, "myPets as String list", petsList);
            // order is not guaranteed for set so we test each set item individually
            assertTextContainsProperty(text, "myPets as String set", "dog", false);
            assertTextContainsProperty(text, "myPets as String set", "mouse,house", false);
        }
    }

    /**
     * Check String array, List and Set properties are correctly handled if their default values are overridden.
     *
     * @throws Exception
     */
    @Test
    public void testGetWithArraySetListOverriddenProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.ARRAY_SET_LIST_OVERRIDE_APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            LinkedList<String> petsList = new LinkedList<>();
            petsList.add("donkey");
            petsList.add("shrek,fiona");

            assertTextContainsProperty(text, "myPetsOverridden as String array", Arrays.toString(new String[] {"donkey", "shrek,fiona"}));
            assertTextContainsProperty(text, "myPetsOverridden as String list", petsList);
            // order is not guaranteed for set so we test each set item individually
            assertTextContainsProperty(text, "myPetsOverridden as String set", "donkey", false);
            assertTextContainsProperty(text, "myPetsOverridden as String set", "shrek,fiona", false);
        }
    }

    /**
     * Checks that properties with same names are loaded based on their priorities defined by their sources.
     *
     * @throws Exception
     */
    @Test
    public void testPriorityOrderingProperties() throws Exception {
        try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
            HttpResponse response = client.execute(new HttpGet(url + appContext + TestApplication.PRIORITY_APP_PATH));
            Assert.assertEquals(200, response.getStatusLine().getStatusCode());
            String text = EntityUtils.toString(response.getEntity());

            // Values from META-INF
            assertTextContainsProperty(text, SubsystemConfigSourceTask.PROPERTIES_PROP_NAME0, "Value prop0 from META-INF/microprofile-config.properties");
            // TODO - enable this when https://issues.jboss.org/browse/WFWIP-60 is resolved
            //assertTextContainsProperty(text, SubsystemConfigSourceTask.PROPERTIES_PROP_NAME1, SubsystemConfigSourceTask.PROP1_VALUE);
            // Value from defined system property in subsystem overrided meta-inf
            assertTextContainsProperty(text, SubsystemConfigSourceTask.PROPERTIES_PROP_NAME2, SubsystemConfigSourceTask.PROP2_VALUE);

            // fileProperty has ordinal value 100, same as default for META-INF properties, thus system property should override this
            assertTextContainsProperty(text, SubsystemConfigSourceTask.PROPERTIES_PROP_NAME3, SubsystemConfigSourceTask.PROP3_VALUE);

            // dir property should override all in this case
            assertTextContainsProperty(text, SubsystemConfigSourceTask.PROPERTIES_PROP_NAME4, "priority.prop.4 value loaded via directory config-source fileProperty4");

            // not defined anywhere...
            assertTextContainsProperty(text, SubsystemConfigSourceTask.PROPERTIES_PROP_NAME5, "Custom file property not defined!");
        }
    }
}
