/*
 * Copyright (C) 2012-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.pf4j;

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.Assert.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

import java.io.IOException;
import java.nio.file.Path;
import java.util.List;

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import org.pf4j.test.PluginJar;
import org.pf4j.test.TestExtension;
import org.pf4j.test.TestExtensionPoint;
import org.pf4j.test.TestPlugin;

public class SecurePluginManagerWrapperTest {

    private static final String OTHER_PLUGIN_ID = "test-plugin-2";
    private static final String THIS_PLUGIN_ID = "test-plugin-1";
    private PluginJar thisPlugin;
    private PluginJar otherPlugin;
    private PluginManager pluginManager;
    private PluginManager wrappedPluginManager;
    private int pluginManagerEvents = 0;
    private int wrappedPluginManagerEvents = 0;

    @TempDir
    Path pluginsPath;

    @BeforeEach
    public void setUp() throws IOException {
        pluginManagerEvents = 0;
        wrappedPluginManagerEvents = 0;
        thisPlugin = new PluginJar.Builder(pluginsPath.resolve("test-plugin1.jar"), THIS_PLUGIN_ID).pluginClass(TestPlugin.class.getName()).pluginVersion("1.2.3").extension(TestExtension.class.getName()).build();
        otherPlugin = new PluginJar.Builder(pluginsPath.resolve("test-plugin2.jar"), OTHER_PLUGIN_ID).pluginClass(TestPlugin.class.getName()).pluginVersion("1.2.3").extension(TestExtension.class.getName()).build();

        pluginManager = new JarPluginManager(pluginsPath);
        wrappedPluginManager = new SecurePluginManagerWrapper(pluginManager, THIS_PLUGIN_ID);
    }

    @AfterEach
    public void tearDown() {
        pluginManager.unloadPlugins();

        thisPlugin = null;
        otherPlugin = null;
        pluginManager = null;
    }

    @Test
    public void pluginStateListeners() {
        pluginManager.addPluginStateListener(new PluginStateListener() {
            @Override
            public void pluginStateChanged(PluginStateEvent event) {
                pluginManagerEvents++;
            }
        });
        wrappedPluginManager.addPluginStateListener(new PluginStateListener() {
            @Override
            public void pluginStateChanged(PluginStateEvent event) {
                wrappedPluginManagerEvents++;
            }
        });
        pluginManager.loadPlugins();
        pluginManager.startPlugins();
        assertEquals(4, pluginManagerEvents);
        assertEquals(2, wrappedPluginManagerEvents);
    }

    @Test
    public void deletePlugin() {
        pluginManager.loadPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.deletePlugin(OTHER_PLUGIN_ID));
        assertTrue(wrappedPluginManager.deletePlugin(THIS_PLUGIN_ID));
    }

    @Test
    public void disablePlugin() {
        pluginManager.loadPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.disablePlugin(OTHER_PLUGIN_ID));
        assertTrue(wrappedPluginManager.disablePlugin(THIS_PLUGIN_ID));
    }

    @Test
    public void enablePlugin() {
        pluginManager.loadPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.enablePlugin(OTHER_PLUGIN_ID));
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.enablePlugin(THIS_PLUGIN_ID));
    }

    @Test
    public void getExtensionClasses() {
        pluginManager.loadPlugins();
        pluginManager.startPlugins();
        assertEquals(1, wrappedPluginManager.getExtensionClasses(TestExtensionPoint.class).size());

        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getExtensionClasses(TestExtensionPoint.class, OTHER_PLUGIN_ID));
        assertEquals(1, wrappedPluginManager.getExtensionClasses(TestExtensionPoint.class, THIS_PLUGIN_ID).size());

        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getExtensionClasses(OTHER_PLUGIN_ID));
        assertEquals(1, wrappedPluginManager.getExtensionClasses(THIS_PLUGIN_ID).size());
    }

    @Test
    public void getExtensionClassNames() {
        pluginManager.loadPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getExtensionClassNames(OTHER_PLUGIN_ID));
        assertEquals(1, wrappedPluginManager.getExtensionClassNames(THIS_PLUGIN_ID).size());
    }

    @Test
    public void getExtensionFactory() {
        pluginManager.loadPlugins();
        assertEquals(pluginManager.getExtensionFactory(), wrappedPluginManager.getExtensionFactory());
    }

    @Test
    public void getExtensions() {
        pluginManager.loadPlugins();
        pluginManager.startPlugins();
        assertEquals(1, wrappedPluginManager.getExtensions(TestExtensionPoint.class).size());

        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getExtensions(TestExtensionPoint.class, OTHER_PLUGIN_ID));
        assertEquals(1, wrappedPluginManager.getExtensions(TestExtensionPoint.class, THIS_PLUGIN_ID).size());

        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getExtensions(OTHER_PLUGIN_ID));
        assertEquals(1, wrappedPluginManager.getExtensions(THIS_PLUGIN_ID).size());
    }

    @Test
    public void getPlugin() {
        pluginManager.loadPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getPlugin(OTHER_PLUGIN_ID));
        assertEquals(THIS_PLUGIN_ID, wrappedPluginManager.getPlugin(THIS_PLUGIN_ID).getPluginId());
    }

    @Test
    public void getPluginClassLoader() {
        pluginManager.loadPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getPluginClassLoader(OTHER_PLUGIN_ID));
        assertNotNull(wrappedPluginManager.getPluginClassLoader(THIS_PLUGIN_ID));
    }

    @Test
    public void getPlugins() {
        pluginManager.loadPlugins();
        assertEquals(2, pluginManager.getPlugins().size());
        assertEquals(1, wrappedPluginManager.getPlugins().size());
    }

    @Test
    public void getPluginsRoot() {
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getPluginsRoot());
    }

    @Test
    public void getPluginsRoots() {
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.getPluginsRoots());
    }

    @Test
    public void getResolvedPlugins() {
        pluginManager.loadPlugins();
        assertEquals(2, pluginManager.getResolvedPlugins().size());
        assertEquals(1, wrappedPluginManager.getResolvedPlugins().size());
    }

    @Test
    public void getRuntimeMode() {
        assertEquals(pluginManager.getRuntimeMode(), wrappedPluginManager.getRuntimeMode());
    }

    @Test
    public void getStartedPlugins() {
        pluginManager.loadPlugins();
        pluginManager.startPlugins();
        assertEquals(2, pluginManager.getStartedPlugins().size());
        assertEquals(1, wrappedPluginManager.getStartedPlugins().size());
    }

    @Test
    public void getSystemVersion() {
        assertEquals(pluginManager.getSystemVersion(), wrappedPluginManager.getSystemVersion());
    }

    @Test
    public void getUnresolvedPlugins() {
        assertNotNull(wrappedPluginManager);
        assertNotNull(wrappedPluginManager.getUnresolvedPlugins());
        assertTrue(wrappedPluginManager.getUnresolvedPlugins().isEmpty());
    }

    @Test
    public void getVersionManager() {
        assertEquals(pluginManager.getVersionManager(), wrappedPluginManager.getVersionManager());
    }

    @Test
    public void isDevelopment() {
        assertEquals(pluginManager.isDevelopment(), wrappedPluginManager.isDevelopment());
    }

    @Test
    public void isNotDevelopment() {
        assertEquals(pluginManager.isNotDevelopment(), wrappedPluginManager.isNotDevelopment());
    }

    @Test
    public void loadPlugin() {
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.loadPlugin(thisPlugin.path()));
    }

    @Test
    public void loadPlugins() {
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.loadPlugins());
    }

    @Test
    public void setSystemVersion() {
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.setSystemVersion("1.0.0"));
    }

    @Test
    public void startPlugin() {
        pluginManager.loadPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.startPlugin(OTHER_PLUGIN_ID));
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.startPlugin(THIS_PLUGIN_ID));
    }

    @Test
    public void startPlugins() {
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.startPlugins());
    }

    @Test
    public void stopPlugin() {
        pluginManager.loadPlugins();
        pluginManager.startPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.stopPlugin(OTHER_PLUGIN_ID));
        assertEquals(PluginState.STOPPED, wrappedPluginManager.stopPlugin(THIS_PLUGIN_ID));
    }

    @Test
    public void stopPlugins() {
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.stopPlugins());
    }

    @Test
    public void unloadPlugin() {
        pluginManager.loadPlugins();
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.unloadPlugin(OTHER_PLUGIN_ID));
        assertTrue(wrappedPluginManager.unloadPlugin(THIS_PLUGIN_ID));
    }

    @Test
    public void unloadPlugins() {
        assertThrows(IllegalAccessError.class, () -> wrappedPluginManager.unloadPlugins());
    }

    @Test
    public void whichPlugin() {
        pluginManager.loadPlugins();
        pluginManager.startPlugins();
        assertEquals(null, wrappedPluginManager.whichPlugin(pluginManager.getExtensionClasses(OTHER_PLUGIN_ID).get(0)));
        assertEquals(THIS_PLUGIN_ID, wrappedPluginManager.whichPlugin(pluginManager.getExtensionClasses(THIS_PLUGIN_ID).get(0)).getPluginId());
    }

}