/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 *
 *      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.jbpm.test.container.archive.registerrestservice;

import java.util.ArrayList;
import java.util.List;

import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;


@Path("/PersonList")
public class PersonList {

    private List<Person> entryList = new ArrayList<Person>();

    @GET()
    @Path("/ping")
    @Produces(MediaType.TEXT_PLAIN)
    public String ping() {
        System.out.println("### Calling ping");
        return "pong";
    }

    @GET()
    @Path("/securedPing")
    @Produces(MediaType.TEXT_PLAIN)
    public String securedPing() {
        System.out.println("### Calling securedPing");
        return "securedPong";
    }

    /*
     * http://localhost:8080/register-rest-1.0/PersonList/onList?name=Marek&
     * middlename=-&surname=Baluch
     */
    @GET()
    @Produces(MediaType.APPLICATION_JSON)
    @Path("/onList")
    public Person onList(@QueryParam("name") String name, @QueryParam("middlename") String middlename,
        @QueryParam("surname") String surname) {
        Person wanted = new Person(name, middlename, surname);
        System.out.println("### Calling - onList '" + wanted + "'");
        for (Person suspect : entryList) {
            if (suspect.equals(wanted)) {
                System.out.println("\tReturning - result '" + suspect + "'");
                return suspect;
            }
        }

        System.out.println("\tReturning - result 'null'");
        return null;
    }

    /*
     * http://localhost:8080/register-rest-1.0/PersonList/delete?name=Don&middlename
     * =Non&surname=Existent
     */
    @DELETE
    @Produces(MediaType.TEXT_PLAIN)
    @Path("/delete")
    public String delete(@QueryParam("name") String name, @QueryParam("middlename") String middlename,
        @QueryParam("surname") String surname) {
        Person wanted = onList(name, middlename, surname);
        if (entryList.contains(wanted)) {
            System.out.println("\tDeleting - result '" + wanted + "'");
            entryList.remove(wanted);
            return "Ok";
        } else {
            System.out.println("\tNo - result '" + wanted + "'");
            return "Fail";
        }
    }

    /*
     * Invalid Request { "Person": { "name": "Marek", "middlename": "-",
     * "surname": "Baluch" } }
     * 
     * Valid Request { "name": "Marek", "middlename": "-", "surname": "Baluch" }
     */
    @POST
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.TEXT_PLAIN)
    @Path("/add")
    public String add(final Person person) {
        System.out.println("### Calling - add '" + person + "'");
        if (entryList.contains(person)) {
            System.out.println("\tSkipping - result '" + person + "'");
            return "Already in list!";
        }

        System.out.println("\tAdding - result '" + person + "'");
        entryList.add(person);
        return "Ok";
    }

}