/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
 *
 *    https://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.grails.forge.feature.view;

import io.micronaut.core.annotation.NonNull;
import jakarta.inject.Singleton;
import org.grails.forge.application.ApplicationType;
import org.grails.forge.application.generator.GeneratorContext;
import org.grails.forge.build.dependencies.Dependency;
import org.grails.forge.feature.Category;
import org.grails.forge.feature.DefaultFeature;
import org.grails.forge.feature.Feature;
import org.grails.forge.feature.FeatureContext;
import org.grails.forge.feature.web.GrailsWeb;
import org.grails.forge.options.Options;
import org.grails.forge.template.URLTemplate;

import java.util.Map;
import java.util.Set;

@Singleton
public class GrailsGsp implements DefaultFeature {

    private final GrailsWeb grailsWeb;

    public GrailsGsp(GrailsWeb grailsWeb) {
        this.grailsWeb = grailsWeb;
    }

    @Override
    public boolean shouldApply(ApplicationType applicationType, Options options, Set<Feature> selectedFeatures) {
        return applicationType == ApplicationType.WEB || applicationType == ApplicationType.WEB_PLUGIN;
    }

    @Override
    public String getTitle() {
        return "GSP";
    }

    @NonNull
    @Override
    public String getName() {
        return "gsp";
    }

    @NonNull
    @Override
    public String getDescription() {
        return "GSP (Groovy Server Pages) is the server-side view technology used in Grails. " +
            "It is designed to be familiar to developers with experience in ASP or JSP, while providing " +
            "a more flexible, expressive, and intuitive way to build web pages.";
    }

    @Override
    public boolean supports(ApplicationType applicationType) {
        return true;
    }

    @Override
    public String getCategory() {
        return Category.VIEW;
    }

    @Override
    public void processSelectedFeatures(FeatureContext featureContext) {
        if (!featureContext.isPresent(GrailsWeb.class) && grailsWeb != null) {
            featureContext.addFeature(grailsWeb);
        }
    }

    @Override
    public void apply(GeneratorContext generatorContext) {
        final Map<String, Object> config = generatorContext.getConfiguration();
        config.put("grails.views.gsp.encoding", "UTF-8");
        config.put("grails.views.gsp.htmlcodec", "xml");
        config.put("grails.views.gsp.codecs.scriptlet", "html");
        generatorContext.addDependency(Dependency.builder()
                .groupId("org.apache.grails")
                .artifactId("grails-gsp")
                .implementation());

        final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        generatorContext.addTemplate("mainLayout", new URLTemplate(getViewFolderPath() + "layouts/main.gsp", classLoader.getResource("gsp/main.gsp")));
        generatorContext.addTemplate("index", new URLTemplate(getViewFolderPath() + "index.gsp", classLoader.getResource("gsp/index.gsp")));
        generatorContext.addTemplate("error", new URLTemplate(getViewFolderPath() + "error.gsp", classLoader.getResource("gsp/error.gsp")));
        generatorContext.addTemplate("notFound", new URLTemplate(getViewFolderPath() + "notFound.gsp", classLoader.getResource("gsp/notFound.gsp")));
    }

    protected String getViewFolderPath() {
        return "grails-app/views/";
    }
}
