/*
    * 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.beans.stats.providers;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.mockito.Mockito.mock;
  
  import com.codebox.bean.JavaBeanTester;
  
  import jakarta.servlet.http.HttpServletRequest;
  
  import java.util.List;
  
  import org.jfree.data.xy.DefaultTableXYDataset;
  import org.jfree.data.xy.XYDataItem;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import psiprobe.model.stats.StatsCollection;
  
  /**
   * The Class MultipleSeriesProviderTest.
   */
  class MultipleSeriesProviderTest {
  
    private MultipleSeriesProvider provider;
    private StatsCollection statsCollection;
    private DefaultTableXYDataset dataset;
  
    /**
     * Javabean tester.
     */
    @Test
    void javabeanTester() {
      JavaBeanTester.builder(MultipleSeriesProvider.class).loadData().test();
    }
  
    @BeforeEach
    void setUp() {
      provider = new MultipleSeriesProvider();
      provider.setStatNamePrefix("stat.app.");
      provider.setTop(0);
      provider.setMovingAvgFrame(0);
      statsCollection = new StatsCollection();
      dataset = new DefaultTableXYDataset();
    }
  
    @Test
    void testPopulateAllSeries() {
      List<XYDataItem> items1 = statsCollection.newStats("stat.app.app1", 10);
      items1.add(new XYDataItem(1L, 100.0));
      items1.add(new XYDataItem(2L, 200.0));
  
      List<XYDataItem> items2 = statsCollection.newStats("stat.app.app2", 10);
      items2.add(new XYDataItem(1L, 300.0));
  
      HttpServletRequest request = mock(HttpServletRequest.class);
      provider.populate(dataset, statsCollection, request);
  
      assertEquals(2, dataset.getSeriesCount());
    }
  
    @Test
    void testPopulateTopNSeries() {
      // Create 3 series, request top 2
      List<XYDataItem> items1 = statsCollection.newStats("stat.app.app1", 10);
      items1.add(new XYDataItem(1L, 50.0));
  
      List<XYDataItem> items2 = statsCollection.newStats("stat.app.app2", 10);
      items2.add(new XYDataItem(1L, 200.0));
  
      List<XYDataItem> items3 = statsCollection.newStats("stat.app.app3", 10);
      items3.add(new XYDataItem(1L, 100.0));
  
      provider.setTop(2);
      HttpServletRequest request = mock(HttpServletRequest.class);
      provider.populate(dataset, statsCollection, request);
  
      assertEquals(2, dataset.getSeriesCount());
    }
  
    @Test
    void testPopulateNoMatchingStats() {
      HttpServletRequest request = mock(HttpServletRequest.class);
      provider.populate(dataset, statsCollection, request);
      assertEquals(0, dataset.getSeriesCount());
    }
  
    @Test
    void testPopulateWithMovingAvgFrame() {
      provider.setMovingAvgFrame(2);
     provider.setTop(2);
 
     List<XYDataItem> items1 = statsCollection.newStats("stat.app.app1", 10);
     for (int i = 0; i < 10; i++) {
       items1.add(new XYDataItem((long) i, i * 10.0));
     }
 
     List<XYDataItem> items2 = statsCollection.newStats("stat.app.app2", 10);
     for (int i = 0; i < 10; i++) {
       items2.add(new XYDataItem((long) i, i * 5.0));
     }
 
     List<XYDataItem> items3 = statsCollection.newStats("stat.app.app3", 10);
     for (int i = 0; i < 10; i++) {
       items3.add(new XYDataItem((long) i, i * 1.0));
     }
 
     HttpServletRequest request = mock(HttpServletRequest.class);
     provider.populate(dataset, statsCollection, request);
 
     assertEquals(2, dataset.getSeriesCount());
   }
 
   @Test
   void testTopEqualToSize() {
     // top == size -> useTop is false, should return all
     List<XYDataItem> items1 = statsCollection.newStats("stat.app.app1", 10);
     items1.add(new XYDataItem(1L, 100.0));
     List<XYDataItem> items2 = statsCollection.newStats("stat.app.app2", 10);
     items2.add(new XYDataItem(1L, 200.0));
 
     provider.setTop(2); // top == size, useTop is false
     HttpServletRequest request = mock(HttpServletRequest.class);
     provider.populate(dataset, statsCollection, request);
 
     assertEquals(2, dataset.getSeriesCount());
   }
 }