/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 ~ Copyright 2019 Adobe
 ~
 ~ 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 com.adobe.cq.wcm.core.components.internal.models.v1;

import javax.annotation.PostConstruct;

import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.models.annotations.Exporter;
import org.apache.sling.models.annotations.Model;
import org.apache.sling.models.annotations.injectorspecific.InjectionStrategy;
import org.apache.sling.models.annotations.injectorspecific.ScriptVariable;
import org.apache.sling.models.annotations.injectorspecific.Self;
import org.apache.sling.models.annotations.injectorspecific.ValueMapValue;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import com.adobe.cq.export.json.ComponentExporter;
import com.adobe.cq.export.json.ExporterConstants;
import com.adobe.cq.wcm.core.components.commons.link.Link;
import com.adobe.cq.wcm.core.components.commons.link.LinkManager;
import com.adobe.cq.wcm.core.components.models.Button;
import com.adobe.cq.wcm.core.components.models.datalayer.ComponentData;
import com.adobe.cq.wcm.core.components.models.datalayer.builder.DataLayerBuilder;
import com.adobe.cq.wcm.core.components.util.AbstractComponentImpl;
import com.day.cq.commons.jcr.JcrConstants;
import com.day.cq.wcm.api.PageManager;

@Model(
    adaptables = SlingHttpServletRequest.class,
    adapters = {Button.class, ComponentExporter.class},
    resourceType = ButtonImpl.RESOURCE_TYPE
)
@Exporter(
    name = ExporterConstants.SLING_MODEL_EXPORTER_NAME,
    extensions = ExporterConstants.SLING_MODEL_EXTENSION
)
public class ButtonImpl extends AbstractComponentImpl implements Button {

    public static final String RESOURCE_TYPE = "core/wcm/components/button/v1/button";

    @Self
    private SlingHttpServletRequest request;

    @ScriptVariable
    private PageManager pageManager;

    @ValueMapValue(injectionStrategy = InjectionStrategy.OPTIONAL, name = JcrConstants.JCR_TITLE)
    @Nullable
    private String text;

    @ValueMapValue(injectionStrategy = InjectionStrategy.OPTIONAL)
    @Nullable
    private String icon;

    @ValueMapValue(injectionStrategy = InjectionStrategy.OPTIONAL)
    @Nullable
    protected String accessibilityLabel;

    @Self
    protected LinkManager linkManager;
    protected Link link;

    @PostConstruct
    private void initModel() {
        link = linkManager.get(resource).withLinkUrlPropertyName("link").build();
    }

    @Override
    public String getText() {
        return text;
    }

    @Override
    public String getLink() {
        return link.getURL();
    }

    @Override
    @Nullable
    public String getIcon() {
        return icon;
    }

    @Override
    @Nullable
    public String getAccessibilityLabel() {
        return accessibilityLabel;
    }

    @NotNull
    @Override
    public String getExportedType() {
        return request.getResource().getResourceType();
    }

    @Override
    @NotNull
    protected ComponentData getComponentData() {
        return DataLayerBuilder.extending(super.getComponentData()).asComponent()
            .withTitle(this::getText)
            .withLinkUrl(() ->link.getMappedURL())
            .build();
    }
}
