//Dstl (c) Crown Copyright 2017
package uk.gov.dstl.baleen.core.web.servlets;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.doReturn;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.slf4j.Marker;

import uk.gov.dstl.baleen.core.logging.BaleenLogging;
import uk.gov.dstl.baleen.testing.servlets.ServletCaller;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.classic.spi.IThrowableProxy;
import ch.qos.logback.classic.spi.LoggerContextVO;

import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * Tests for {@link LoggingServlet}.
 *
 * 
 *
 */
@RunWith(MockitoJUnitRunner.Silent.class)
public class LoggingServletTest {

	@Mock
	BaleenLogging logging;

	List<ILoggingEvent> events = new ArrayList<ILoggingEvent>();

	@Before
	public void setUp() {
		doReturn(events).when(logging).getRecentLogs();
	}

	@Test
	public void testGet() throws Exception {
		ServletCaller caller = new ServletCaller();

		ILoggingEvent e = createEvent("test");

		events.add(e);
		caller.doGet(new LoggingServlet(logging));

		ObjectMapper mapper = new ObjectMapper();
		@SuppressWarnings("rawtypes")
		List list = mapper.readValue(caller.getResponseBody(), List.class);
		assertEquals(1, list.size());
	}

	private ILoggingEvent createEvent(String message) {
		return new ILoggingEvent() {

			@Override
			public void prepareForDeferredProcessing() {
				// Do nothing
			}

			@Override
			public boolean hasCallerData() {
				return false;
			}

			@Override
			public long getTimeStamp() {
				return 0;
			}

			@Override
			public IThrowableProxy getThrowableProxy() {
				return null;
			}

			@Override
			public String getThreadName() {
				return "test";
			}

			@Override
			public String getMessage() {
				return message;
			}

			@Override
			public Map<String, String> getMdc() {
				return Collections.emptyMap();
			}

			@Override
			public Marker getMarker() {
				return null;
			}

			@Override
			public Map<String, String> getMDCPropertyMap() {
				return Collections.emptyMap();
			}

			@Override
			public String getLoggerName() {
				return "fake";
			}

			@Override
			public LoggerContextVO getLoggerContextVO() {
				return null;
			}

			@Override
			public Level getLevel() {
				return Level.INFO;
			}

			@Override
			public String getFormattedMessage() {
				return message;
			}

			@Override
			public StackTraceElement[] getCallerData() {
				return new StackTraceElement[0];
			}

			@Override
			public Object[] getArgumentArray() {
				return new Object[0];
			}
		};
	}
}