/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe.controllers;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import com.codebox.bean.JavaBeanTester;
  
  import org.jfree.data.xy.DefaultTableXYDataset;
  import org.jfree.data.xy.XYSeries;
  import org.junit.jupiter.api.Test;
  import org.springframework.context.support.StaticApplicationContext;
  import org.springframework.mock.web.MockHttpServletRequest;
  import org.springframework.mock.web.MockHttpServletResponse;
  import org.springframework.test.util.ReflectionTestUtils;
  
  import psiprobe.beans.stats.providers.SeriesProvider;
  import psiprobe.model.stats.StatsCollection;
  
  /**
   * The Class RenderChartControllerTest.
   */
  class RenderChartControllerTest {
  
    public static class TestSeriesProvider implements SeriesProvider {
  
      @Override
      public void populate(DefaultTableXYDataset dataset, StatsCollection statsCollection,
          jakarta.servlet.http.HttpServletRequest request) {
        XYSeries series = new XYSeries("series-1", true, false);
        series.add(1L, 2L);
        dataset.addSeries(series);
      }
    }
  
    public static class NotASeriesProvider {
      // no-op
    }
  
    /**
     * Javabean tester.
     */
    @Test
    void javabeanTester() {
      JavaBeanTester.builder(RenderChartController.class)
          .skip("applicationContext", "supportedMethods").test();
    }
  
    @Test
    void handleRequestRendersLineChartFromSeriesProvider() throws Exception {
      RenderChartController controller = new RenderChartController();
      ReflectionTestUtils.setField(controller, "statsCollection", new StatsCollection());
  
      StaticApplicationContext applicationContext = new StaticApplicationContext();
      applicationContext.registerSingleton("seriesProvider", TestSeriesProvider.class);
      controller.setApplicationContext(applicationContext);
  
      MockHttpServletRequest request = new MockHttpServletRequest("GET", "/chart.png");
      request.addParameter("ct", "line");
      request.addParameter("p", "seriesProvider");
      request.addParameter("xz", "320");
      request.addParameter("yz", "200");
  
      MockHttpServletResponse response = new MockHttpServletResponse();
  
      assertNull(controller.handleRequest(request, response));
      assertEquals("image/png", response.getHeader("Content-type"));
      assertTrue(response.getContentAsByteArray().length > 0);
    }
  
    @Test
    void handleRequestRendersChartWhenProviderBeanDoesNotImplementSeriesProvider() throws Exception {
      RenderChartController controller = new RenderChartController();
      ReflectionTestUtils.setField(controller, "statsCollection", new StatsCollection());
  
      StaticApplicationContext applicationContext = new StaticApplicationContext();
      applicationContext.registerSingleton("badProvider", NotASeriesProvider.class);
      controller.setApplicationContext(applicationContext);
  
      MockHttpServletRequest request = new MockHttpServletRequest("GET", "/chart.png");
      request.addParameter("ct", "area");
      request.addParameter("p", "badProvider");
  
      MockHttpServletResponse response = new MockHttpServletResponse();
  
      assertNull(controller.handleRequest(request, response));
      assertEquals("image/png", response.getHeader("Content-type"));
      assertTrue(response.getContentAsByteArray().length > 0);
    }
 
 }