/*
 * Copyright 2014-2018 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 io.pivotal.strepsirrhini.chaoslemur.task;

import org.springframework.hateoas.Resource;
import org.springframework.hateoas.ResourceAssembler;
import org.springframework.hateoas.mvc.ControllerLinkBuilder;
import org.springframework.stereotype.Component;

import java.net.URI;

import static org.springframework.hateoas.mvc.ControllerLinkBuilder.linkTo;

@Component
final class TaskResourceAssembler implements ResourceAssembler<Task, Resource<Task>>, TaskUriBuilder {

    @Override
    public URI getUri(Task task) {
        return getTaskLinkBuilder(task).toUri();
    }

    @Override
    public Resource<Task> toResource(Task task) {
        Resource<Task> resource = new Resource<>(task);

        resource.add(getTaskLinkBuilder(task).withSelfRel());

        return resource;
    }

    private ControllerLinkBuilder getTaskLinkBuilder(Task task) {
        return linkTo(TaskManager.class).slash(task.getId());
    }

}