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package com.sun.jersey.impl.container.filter;

import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.core.DefaultResourceConfig;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.api.model.AbstractMethod;
import com.sun.jersey.api.model.AbstractResourceMethod;
import com.sun.jersey.api.model.AbstractSubResourceLocator;
import com.sun.jersey.impl.AbstractResourceTester;
import com.sun.jersey.spi.container.ContainerRequest;
import com.sun.jersey.spi.container.ContainerRequestFilter;
import com.sun.jersey.spi.container.ContainerResponse;
import com.sun.jersey.spi.container.ContainerResponseFilter;
import com.sun.jersey.spi.container.ResourceFilter;
import com.sun.jersey.spi.container.ResourceFilterFactory;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class LayeredResourceFilterFactoriesTest extends AbstractResourceTester {
    
    @Path("/")
    public static class ResourceWithSubresourceLocator {
        @Path("sub")
        public Object get() {
            return new ResourceWithMethod();
        }
    }
    
    @Path("/")
    public static class ResourceWithMethod {
        @GET
        public String get(@Context HttpHeaders hh) { 
            List<String> xTest = hh.getRequestHeaders().get("X-TEST");
            assertEquals(2, xTest.size());
            return xTest.get(0) + xTest.get(1);
        }

        @GET
        @Path("submethod")
        public String getSubmethod(@Context HttpHeaders hh) {
            List<String> xTest = hh.getRequestHeaders().get("X-TEST");
            assertEquals(2, xTest.size());
            return xTest.get(0) + xTest.get(1);
        }
    }
    
    public LayeredResourceFilterFactoriesTest(String testName) {
        super(testName);
    }
        
    public static class FilterSubresourceLocator implements ResourceFilterFactory, ResourceFilter, ContainerRequestFilter, ContainerResponseFilter {
        public ContainerRequest filter(ContainerRequest request) {
            List<String> xTest = request.getRequestHeaders().get("X-TEST");
            assertNull(xTest);

            request.getRequestHeaders().add("X-TEST", "one");
            return request;
        }

        public ContainerResponse filter(ContainerRequest request, ContainerResponse response) {
            List<Object> xTest = response.getHttpHeaders().get("X-TEST");
            assertEquals(1, xTest.size());
            assertEquals("two", xTest.get(0));

            response.getHttpHeaders().add("X-TEST", "one");
            return response;
        }

        public ContainerRequestFilter getRequestFilter() {
            return this;
        }

        public ContainerResponseFilter getResponseFilter() {
            return this;
        }

        public List<ResourceFilter> create(AbstractMethod am) {
            if (am instanceof AbstractSubResourceLocator)
                return Collections.singletonList((ResourceFilter)this);
            else
                return null;
        }
    }
        
    public static class FilterResourceMethod implements ResourceFilterFactory, ResourceFilter, ContainerRequestFilter, ContainerResponseFilter {
        public ContainerRequest filter(ContainerRequest request) {
            List<String> xTest = request.getRequestHeaders().get("X-TEST");
            assertEquals(1, xTest.size());
            assertEquals("one", xTest.get(0));

            request.getRequestHeaders().add("X-TEST", "two");
            return request;
        }

        public ContainerResponse filter(ContainerRequest request, ContainerResponse response) {
            List<Object> xTest = response.getHttpHeaders().get("X-TEST");
            assertNull(xTest);

            response.getHttpHeaders().add("X-TEST", "two");
            return response;
        }

        public ContainerRequestFilter getRequestFilter() {
            return this;
        }

        public ContainerResponseFilter getResponseFilter() {
            return this;
        }

        public List<ResourceFilter> create(AbstractMethod am) {
            if (am instanceof AbstractResourceMethod)
                return Collections.singletonList((ResourceFilter)this);
            else
                return null;
        }
    }

    public void testResourceMethod() {
        ResourceConfig rc = new DefaultResourceConfig(ResourceWithSubresourceLocator.class);
        
        FilterSubresourceLocator f1 = new FilterSubresourceLocator();
        FilterResourceMethod f2 = new FilterResourceMethod();
        rc.getProperties().put(ResourceConfig.PROPERTY_RESOURCE_FILTER_FACTORIES,
                Arrays.asList(f1, f2));
        initiateWebApplication(rc);

        WebResource r = resource("/sub", false);

        ClientResponse cr = r.get(ClientResponse.class);
        assertEquals(200, cr.getStatus());
        assertEquals("onetwo", cr.getEntity(String.class));
        List<String> xTest = cr.getMetadata().get("X-TEST");
        assertEquals(2, xTest.size());
        assertEquals("two", xTest.get(0));
        assertEquals("one", xTest.get(1));
    }

    public void testResourceSubresourceMethod() {
        ResourceConfig rc = new DefaultResourceConfig(ResourceWithSubresourceLocator.class);

        FilterSubresourceLocator f1 = new FilterSubresourceLocator();
        FilterResourceMethod f2 = new FilterResourceMethod();
        rc.getProperties().put(ResourceConfig.PROPERTY_RESOURCE_FILTER_FACTORIES,
                Arrays.asList(f1, f2));
        initiateWebApplication(rc);

        WebResource r = resource("/sub/submethod", false);

        ClientResponse cr = r.get(ClientResponse.class);
        assertEquals(200, cr.getStatus());
        assertEquals("onetwo", cr.getEntity(String.class));
        List<String> xTest = cr.getMetadata().get("X-TEST");
        assertEquals(2, xTest.size());
        assertEquals("two", xTest.get(0));
        assertEquals("one", xTest.get(1));
    }
}