package org.apache.cxf.rs.examples;

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

import javax.ws.rs.core.Response;

import org.apache.cxf.jaxrs.client.WebClient;

public class RESTClient {
	
	private static String urlStem = "http://localhost:8080/membership/members/";
	
    public static void main( String[] args ){
    	
    	Person p = getMember(1);
    	
    	System.out.println("Updating person name using PUT and .../members/1/name URL:");
    	WebClient wc = WebClient.create(urlStem);
    	wc.path("1");
    	wc.path("name").type("text/plain");
    	Response resp = wc.put("George".equals(p.getName()) ? "Sam" : "George");
    	p = getMember(1);
    	
    	System.out.println("Updating multiple fields of the person using PUT and .../members/1 URL:");
    	p.setName("Bob");
    	p.setAge(p.getAge() == 40 ? 30 : 40);
    	resp = wc.reset().path("1").put(p);
    	p = getMember(1);
    	
    	System.out.println("Creating a new member using POST and .../members/1 URL:");
        Person newMember = new Person();
        newMember.setName("Harry");
        newMember.setAge(30);
        resp = wc.reset().post(newMember);
        if (resp.getStatus() != Response.Status.CREATED.getStatusCode()) {
            throw new RuntimeException("Could not add new member.");
        }
        String location = resp.getMetadata().getFirst("Location").toString();
        System.out.println("New Member location returned from POST: " + location);
        System.out.println("Requerying newly added data using above URL:");
        int maxID = new Integer(location.substring(location.lastIndexOf("/") + 1)).intValue();
        getMember(location);
        
        getAllMembers(wc);

        if (maxID > -1) {
        	System.out.println("Removing member with ID of " + maxID);
        	resp = wc.path("all").path(new Integer(maxID).toString()).delete();
        }
    	
        getAllMembers(wc.reset());
        
        System.out.println( "Exit!" );
    }

	private static void getAllMembers(WebClient webClient) {
		System.out.println("Retrieving list of all members:");
		List<Person> persons = new ArrayList<Person>(webClient.getCollection(Person.class));
		for (Person person : persons) {
			System.out.println("ID " + person.getId() + ": " + person.getName() + ", age: " + person.getAge());
		}
	}

	private static Person getMember(String locationURL) {
		WebClient wc = WebClient.create(locationURL);
		Person p = wc.get(Person.class);
		System.out.println("person ID/Name/Age = " + p.getId() + " / " + p.getName() + " / " + p.getAge());
		return p;
	}

	private static Person getMember(int memberNo) {
		WebClient wc = WebClient.create(urlStem);
		wc.path(memberNo);
		Person p = wc.get(Person.class);
		System.out.println("person ID/Name/Age = " + p.getId() + " / " + p.getName() + " / " + p.getAge());
		return p;
	}
}