/*
 * Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.enterprise.config.serverbeans;

import java.beans.PropertyVetoException;
import java.io.File;
import java.util.*;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.net.URISyntaxException;
import java.net.URI;

import jakarta.validation.constraints.NotNull;
import org.jvnet.hk2.config.types.Property;
import org.jvnet.hk2.config.types.PropertyBag;
import org.glassfish.api.admin.config.ApplicationName;
import org.glassfish.api.admin.config.PropertiesDesc;
import org.glassfish.api.admin.RestRedirects;
import org.glassfish.api.admin.RestRedirect;
import org.glassfish.api.deployment.DeployCommandParameters;
import org.glassfish.quality.ToDo;
import org.jvnet.hk2.config.Attribute;
import org.jvnet.hk2.config.Configured;
import org.jvnet.hk2.config.DuckTyped;
import org.jvnet.hk2.config.Element;

import com.sun.enterprise.config.serverbeans.customvalidators.ContextRootCheck;

@Configured
@RestRedirects({ @RestRedirect(opType = RestRedirect.OpType.DELETE, commandName = "undeploy"),
        @RestRedirect(opType = RestRedirect.OpType.POST, commandName = "redeploy") })
@ContextRootCheck(message = "{contextroot.duplicate}", payload = Application.class)
public interface Application extends ApplicationName, PropertyBag {

    public static final String APP_LOCATION_PROP_NAME = "appLocation";
    public static final String DEPLOYMENT_PLAN_LOCATION_PROP_NAME = "deploymentPlanLocation";
    public static final String ARCHIVE_TYPE_PROP_NAME = "archiveType";
    public static final String ALT_DD_LOCATION_PROP_NAME = "altDDLocation";
    public static final String RUNTIME_ALT_DD_LOCATION_PROP_NAME = "runtimeAltDDLocation";

    /**
     * Gets the value of the contextRoot property.
     *
     * @return possible object is {@link String }
     */
    @Attribute
    String getContextRoot();

    /**
     * Sets the value of the contextRoot property.
     *
     * @param value allowed object is {@link String }
     */
    void setContextRoot(String value) throws PropertyVetoException;

    /**
     * Gets the value of the location property.
     *
     * @return possible object is {@link String }
     */
    @Attribute
    String getLocation();

    /**
     * Sets the value of the location property.
     *
     * @param value allowed object is {@link String }
     */
    void setLocation(String value) throws PropertyVetoException;

    /**
     * Gets the value of the objectType property.
     *
     * @return possible object is {@link String }
     */
    @Attribute(required = true)
    @NotNull
    String getObjectType();

    /**
     * Sets the value of the objectType property.
     *
     * @param value allowed object is {@link String }
     */
    void setObjectType(String value) throws PropertyVetoException;

    /**
     * Gets the value of the enabled property.
     *
     * @return possible object is {@link String }
     */
    @Attribute(defaultValue = "true", dataType = Boolean.class)
    String getEnabled();

    /**
     * Sets the value of the enabled property.
     *
     * @param value allowed object is {@link String }
     */
    void setEnabled(String value) throws PropertyVetoException;

    /**
     * Gets the value of the libraries property.
     *
     * @return possible object is {@link String }
     */
    @Attribute
    String getLibraries();

    /**
     * Sets the value of the libraries property.
     *
     * @param value allowed object is {@link String }
     */
    void setLibraries(String value) throws PropertyVetoException;

    /**
     * Gets the value of the availabilityEnabled property.
     *
     * @return possible object is {@link String }
     */
    @Attribute(defaultValue = "false", dataType = Boolean.class)
    String getAvailabilityEnabled();

    /**
     * Sets the value of the availabilityEnabled property.
     *
     * @param value allowed object is {@link String }
     */
    void setAvailabilityEnabled(String value) throws PropertyVetoException;

    /**
     * Gets the value of the asyncReplication property.
     *
     * @return possible object is {@link String }
     */
    @Attribute(defaultValue = "true", dataType = Boolean.class)
    String getAsyncReplication();

    /**
     * Sets the value of the asyncReplication property.
     *
     * @param value allowed object is {@link String }
     */
    void setAsyncReplication(String value) throws PropertyVetoException;

    /**
     * Gets the value of the directoryDeployed property.
     *
     * @return possible object is {@link String }
     */
    @Attribute(defaultValue = "false", dataType = Boolean.class)
    String getDirectoryDeployed();

    /**
     * Sets the value of the directoryDeployed property.
     *
     * @param value allowed object is {@link String }
     */
    void setDirectoryDeployed(String value) throws PropertyVetoException;

    /**
     * Gets the value of the description property.
     *
     * @return possible object is {@link String }
     */
    @Attribute
    String getDescription();

    /**
     * Sets the value of the description property.
     *
     * @param value allowed object is {@link String }
     */
    void setDescription(String value) throws PropertyVetoException;

    /**
     * Gets the value of the deploymentOrder property.
     *
     * @return possible object is {@link String }
     */
    @Attribute(defaultValue = "100", dataType = Integer.class)
    String getDeploymentOrder();

    /**
     * Sets the value of the deploymentOrder property.
     *
     * @param value allowed object is {@link String }
     */
    void setDeploymentOrder(String value) throws PropertyVetoException;

    @Element
    List<Module> getModule();

    /**
     * Gets the value of the engine property.
     * <p/>
     * <p/>
     * This accessor method returns a reference to the live list, not a snapshot. Therefore any modification you make to the
     * returned list will be present inside the JAXB object. This is why there is not a <CODE>set</CODE> method for the
     * engine property.
     * <p/>
     * <p/>
     * For example, to add a new item, do as follows:
     *
     * <pre>
     * getEngine().add(newItem);
     * </pre>
     * <p/>
     * <p/>
     * <p/>
     * Objects of the following type(s) are allowed in the list {@link Engine }
     */
    @Element
    List<Engine> getEngine();

    @Element
    Resources getResources();

    void setResources(Resources resources) throws PropertyVetoException;

    @Element
    AppTenants getAppTenants();

    void setAppTenants(AppTenants appTenants);

    @Element("*")
    List<ApplicationExtension> getExtensions();

    /*
     * Get an extension of the specified type. If there is more than one, it is
     * undefined as to which one is returned.
     */
    @DuckTyped
    <T extends ApplicationExtension> T getExtensionByType(Class<T> type);

    /*
     * Get all extensions of the specified type.  If there are none, and empty
     * list is returned.
     */
    @DuckTyped
    <T extends ApplicationExtension> List<T> getExtensionsByType(Class<T> type);

    @DuckTyped
    Module getModule(String moduleName);

    @DuckTyped
    Properties getDeployProperties();

    @DuckTyped
    DeployCommandParameters getDeployParameters(ApplicationRef appRef);

    @DuckTyped
    Map<String, Properties> getModulePropertiesMap();

    @DuckTyped
    boolean isStandaloneModule();

    @DuckTyped
    boolean containsSnifferType(String snifferType);

    @DuckTyped
    boolean isLifecycleModule();

    @DuckTyped
    void recordFileLocations(File app, File plan);

    @DuckTyped
    File application();

    @DuckTyped
    File deploymentPlan();

    @DuckTyped
    String archiveType();

    class Duck {

        public static Module getModule(Application instance, String name) {
            for (Module module : instance.getModule()) {
                if (module.getName().equals(name)) {
                    return module;
                }
            }
            return null;
        }

        public static Properties getDeployProperties(Application instance) {
            Properties deploymentProps = new Properties();
            for (Property prop : instance.getProperty()) {
                if (prop.getValue() != null) {
                    deploymentProps.put(prop.getName(), prop.getValue());
                }
            }
            if (instance.getObjectType() != null) {
                deploymentProps.setProperty(ServerTags.OBJECT_TYPE, instance.getObjectType());
            }
            if (instance.getContextRoot() != null) {
                deploymentProps.setProperty(ServerTags.CONTEXT_ROOT, instance.getContextRoot());
            }
            if (instance.getDirectoryDeployed() != null) {
                deploymentProps.setProperty(ServerTags.DIRECTORY_DEPLOYED, instance.getDirectoryDeployed());
            }
            return deploymentProps;
        }

        public static DeployCommandParameters getDeployParameters(Application app, ApplicationRef appRef) {

            URI uri = null;
            try {
                uri = new URI(app.getLocation());
            } catch (URISyntaxException e) {
                Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage(), e);
            }

            if (uri == null) {
                return null;
            }

            DeployCommandParameters deploymentParams = new DeployCommandParameters(new File(uri));
            deploymentParams.name = app.getName();
            deploymentParams.description = app.getDescription();
            if (Boolean.valueOf(app.getEnabled()) && appRef != null && Boolean.valueOf(appRef.getEnabled())) {
                deploymentParams.enabled = Boolean.TRUE;
            } else {
                deploymentParams.enabled = Boolean.FALSE;
            }
            deploymentParams.contextroot = app.getContextRoot();
            deploymentParams.libraries = app.getLibraries();
            deploymentParams.availabilityenabled = Boolean.parseBoolean(app.getAvailabilityEnabled());
            deploymentParams.asyncreplication = Boolean.parseBoolean(app.getAsyncReplication());
            if (appRef != null) {
                deploymentParams.lbenabled = appRef.getLbEnabled();
            }
            if (appRef != null) {
                deploymentParams.virtualservers = appRef.getVirtualServers();
            }
            deploymentParams.deploymentorder = Integer.valueOf(app.getDeploymentOrder());
            for (Property prop : app.getProperty()) {
                if (prop.getName().equals(ARCHIVE_TYPE_PROP_NAME)) {
                    deploymentParams.type = prop.getValue();
                } else if (prop.getName().equals(ALT_DD_LOCATION_PROP_NAME)) {
                    URI altDDUri = null;
                    try {
                        altDDUri = new URI(prop.getValue());
                    } catch (URISyntaxException e) {
                        Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage(), e);
                    }
                    if (altDDUri != null) {
                        deploymentParams.altdd = new File(altDDUri);
                    }
                } else if (prop.getName().equals(RUNTIME_ALT_DD_LOCATION_PROP_NAME)) {
                    URI runtimeAltDDUri = null;
                    try {
                        runtimeAltDDUri = new URI(prop.getValue());
                    } catch (URISyntaxException e) {
                        Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage(), e);
                    }
                    if (runtimeAltDDUri != null) {
                        deploymentParams.runtimealtdd = new File(runtimeAltDDUri);
                    }
                }
            }
            return deploymentParams;
        }

        public static Map<String, Properties> getModulePropertiesMap(Application me) {
            Map<String, Properties> modulePropertiesMap = new HashMap<String, Properties>();
            for (Module module : me.getModule()) {
                if (module.getProperty() != null) {
                    Properties moduleProps = new Properties();
                    for (Property property : module.getProperty()) {
                        if (property.getValue() != null) {
                            moduleProps.put(property.getName(), property.getValue());
                        }
                    }
                    modulePropertiesMap.put(module.getName(), moduleProps);
                }
            }
            return modulePropertiesMap;
        }

        public static boolean isStandaloneModule(Application me) {
            return !(Boolean.valueOf(me.getDeployProperties().getProperty(ServerTags.IS_COMPOSITE)));
        }

        public static boolean isLifecycleModule(Application me) {
            return Boolean.valueOf(me.getDeployProperties().getProperty(ServerTags.IS_LIFECYCLE));
        }

        public static boolean containsSnifferType(Application app, String snifferType) {
            List<Engine> engineList = new ArrayList<Engine>();

            // first add application level engines
            engineList.addAll(app.getEngine());

            // now add module level engines
            for (Module module : app.getModule()) {
                engineList.addAll(module.getEngines());
            }

            for (Engine engine : engineList) {
                if (engine.getSniffer().equals(snifferType)) {
                    return true;
                }
            }
            return false;
        }

        public static File application(final Application instance) {
            return fileForProp(instance, APP_LOCATION_PROP_NAME);

        }

        public static File deploymentPlan(final Application instance) {
            return fileForProp(instance, DEPLOYMENT_PLAN_LOCATION_PROP_NAME);
        }

        public static File altDD(final Application instance) {
            return fileForProp(instance, ALT_DD_LOCATION_PROP_NAME);
        }

        public static File runtimeAltDD(final Application instance) {
            return fileForProp(instance, RUNTIME_ALT_DD_LOCATION_PROP_NAME);
        }

        public static String archiveType(final Application instance) {
            for (Property p : instance.getProperty()) {
                if (p.getName().equals(ARCHIVE_TYPE_PROP_NAME)) {
                    return p.getValue();
                }
            }
            return null;
        }

        private static File fileForProp(final Application instance, final String propName) {
            for (Property p : instance.getProperty()) {
                if (p.getName().equals(propName)) {
                    return new File(URI.create(p.getValue()));
                }
            }
            return null;
        }

        public static <T extends ApplicationExtension> T getExtensionByType(Application a, Class<T> type) {
            for (ApplicationExtension extension : a.getExtensions()) {
                try {
                    return type.cast(extension);
                } catch (Exception e) {
                    // ignore, not the right type.
                }
            }
            return null;
        }

        public static <T extends ApplicationExtension> List<T> getExtensionsByType(Application a, Class<T> type) {
            ArrayList<T> exts = new ArrayList<T>();
            for (ApplicationExtension extension : a.getExtensions()) {
                try {
                    exts.add(type.cast(extension));
                } catch (Exception e) {
                    // ignore, not the right type.
                }
            }
            return exts;
        }
    }

    /**
     * Properties as per {@link PropertyBag}
     */
    @ToDo(priority = ToDo.Priority.IMPORTANT, details = "Provide PropertyDesc for legal props")
    @PropertiesDesc(props = {})
    @Element
    @Override
    List<Property> getProperty();
}