package org.gcube.common.gxrest.request;

import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.Properties;
import java.util.WeakHashMap;

import org.gcube.com.fasterxml.jackson.databind.JsonMappingException;
import org.gcube.common.gxrest.response.inbound.GXInboundResponse;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.BlockJUnit4ClassRunner;

/**
 * Test cases for {@link GXHTTPStringRequest}
 *
 * @author Manuele Simi (ISTI-CNR)
 *
 */
@RunWith(BlockJUnit4ClassRunner.class)
public class GXHTTPStringRequestTest {

	private GXHTTPStringRequest request;

	public static String DEFAULT_TEST_SCOPE = "";

	static String DEFAULT_RM_URL = "";

	static String DEFAULT_RR_URL = "";


	private static boolean skipTest = false;

	static {
		Properties properties = new Properties();
		try (InputStream input = GXHTTPStringRequestTest.class.getClassLoader().getResourceAsStream("token.props")) {
			// load the properties file
			properties.load(input);
			DEFAULT_TEST_SCOPE = properties.getProperty("DEFAULT_SCOPE_TOKEN");
			if (DEFAULT_TEST_SCOPE.isEmpty())
				skipTest = true;
			DEFAULT_RM_URL = properties.getProperty("RM_URL");
			DEFAULT_RR_URL = properties.getProperty("RR_URL");
		} catch (IOException | NullPointerException e) {
			skipTest = true;
		}
	}

	@BeforeClass
	public static void beforeClass() throws Exception {
		setContext(DEFAULT_TEST_SCOPE);
	}

	public static void setContext(String token) throws Exception {
		if (DEFAULT_TEST_SCOPE.isEmpty()) {
			skipTest = true;
			return;
		}
		//SecurityTokenProvider.instance.set(token);
	}

	@AfterClass
	public static void afterClass() throws Exception {
		//SecurityTokenProvider.instance.reset();
	}

	/**
	 * Test method for {@link org.gcube.common.gxrest.request.GXHTTPStringRequest#newRequest(java.lang.String)}.
	 */
	@Before
	public void testNewRequest() {
		request  = GXHTTPStringRequest.newRequest(DEFAULT_RM_URL).from("GXRequestTest");
	}

	/**
	 * Test method for {@link org.gcube.common.gxrest.request.GXHTTPStringRequest#post()}.
	 */
	@Test
	public void testPost() {
		if (skipTest)
			return;
		request.clear();
		String context ="{\"@class\":\"Context\",\"header\":{\"@class\":\"Header\",\"uuid\":\"b252e6ce-8b9a-4142-9bca-3ab5486313c4\",\"creator\":null,\"modifiedBy\":\"gxRestTest\",\"creationTime\":null,\"lastUpdateTime\":null},\"name\":\"gxTest\",\"parent\":null,\"children\":[]}";
		Map<String,String> queryParams = new WeakHashMap<>();
		queryParams.put("rrURL", DEFAULT_RR_URL);
		try {
			GXInboundResponse response = request.path("gxrest")
					.header("Another header", "GXHTTPRequestTest")
					.queryParams(queryParams).post(context);
			if (response.hasException()) {
				try {
					throw response.getException();
				} catch (ClassNotFoundException e) {
					//that's OK, we can tolerate this
				} catch (Exception e) {
					e.printStackTrace();
					throw e;
				}
			}
			assertTrue("Unexpected returned code.", response.hasCREATEDCode());
			System.out.println("Returned string " + response.getStreamedContentAsString());
		} catch (Exception e) {
			e.printStackTrace();
			fail("Failed to send a POST request");
		}
	}

	@SuppressWarnings("deprecation")
	@Test(expected=org.gcube.com.fasterxml.jackson.databind.JsonMappingException.class)
	public void testPostNoBody() throws Exception {
		if (skipTest)
			throw new JsonMappingException("");
		request.clear();
		Map<String,String> queryParams = new WeakHashMap<>();
		queryParams.put("rrURL", DEFAULT_RR_URL);
		try {
			GXInboundResponse response = request.path("gxrest")
					.header("Another header", "GXHTTPRequestTest")
					.queryParams(queryParams).post();
			assertTrue("Unexpected returned code.", response.hasNOT_ACCEPTABLECode());
			assertTrue("Unexpected GX status", response.hasGXError());
			if (response.hasGXError()) {
				try {
					throw response.getException();
				} catch (ClassNotFoundException e) {
					//that's OK, we can tolerate this
				} catch (Exception e) {
					e.printStackTrace();
					throw e;
				}
			} else {
				System.out.println("Returned string " + response.getStreamedContentAsString());
			}
		} catch (Exception e) {
			e.printStackTrace();
			throw e;
			//fail("Failed to send a POST request");
		}
	}

	/**
	 * Test method for {@link org.gcube.common.gxrest.request.GXHTTPStringRequest#get()}.
	 */
	@Test
	public void testGet() {
		request.clear();
	}

	/**
	 * Test method for {@link org.gcube.common.gxrest.request.GXHTTPStringRequest#put()}.
	 */
	@Test
	public void testPut() {
		if (skipTest)
			return;
		request.clear();
		Map<String,String> queryParams = new WeakHashMap<>();
		queryParams.put("rrURL", DEFAULT_RR_URL);
		String context ="{\"@class\":\"Context\",\"header\":{\"@class\":\"Header\",\"uuid\":\"6f86dc81-2f59-486b-8aa9-3ab5486313c4\",\"creator\":null,\"modifiedBy\":\"gxRestTest\",\"creationTime\":null,\"lastUpdateTime\":null},\"name\":\"gxTest\",\"parent\":null,\"children\":[]}";
		try {
			GXInboundResponse response = request.path("gxrest")
					.header("Another header", "GXHTTPRequestTest")
					.path("5f86dc81-2f59-486b-8aa9-3ab5486313c4").queryParams(queryParams).put(context);
			assertTrue("Unexpected returned code.", response.hasCREATEDCode());
			if (response.hasException()) {
				try {
					throw response.getException();
				} catch (ClassNotFoundException e) {
					//that's OK, we can tolerate this
				} catch (Exception e) {
					e.printStackTrace();
					throw e;
				}
			} else {
				System.out.println("Returned string " + response.getStreamedContentAsString());
			}
		} catch (Exception e) {
			e.printStackTrace();
			fail("Failed to send a DELETE request");
		}
	}

	/**
	 * Test method for {@link org.gcube.common.gxrest.request.GXHTTPStringRequest#delete()}.
	 */
	@Test
	public void testDelete() {
		if (skipTest)
			return;
		request.clear();
		Map<String,String> queryParams = new WeakHashMap<>();
		queryParams.put("rrURL", DEFAULT_RR_URL);
		try {
			GXInboundResponse response = request.path("gxrest")
					.header("Another header", "GXHTTPRequestTest")
					.path("5f86dc81-2f59-486b-8aa9-3ab5486313c4").queryParams(queryParams).delete();
			assertTrue("Unexpected returned code.", response.hasBAD_REQUESTCode());
			if (response.hasException()) {
				try {
					throw response.getException();
				} catch (ClassNotFoundException e) {
					//that's OK, we can tolerate this
				} catch (Exception e) {
					e.printStackTrace();
					throw e;
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
			fail("Failed to send a DELETE request");
		}
	}


	/**
	 * Test method for {@link org.gcube.common.gxrest.request.GXHTTPStringRequest#head()}.
	 */
	@Test
	public void testHead() {
		request.clear();
	}

}