package edu.brown.cs.student;

import edu.brown.cs.student.term.DatabaseQuerier;
import edu.brown.cs.student.term.hub.Holder;
import edu.brown.cs.student.term.hub.HubSearch;
import edu.brown.cs.student.term.hub.LinkMapper;
import edu.brown.cs.student.term.hub.SuspicionRanker;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import java.time.Instant;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

public class SuspicionRankerTest {

  //  ./cs32-test tests/student/hub/*.test

  //friday april 9th
  //private Instant start = Instant.ofEpochMilli(1618004180000L);

  //saturday april 10th
  //private Instant end = Instant.ofEpochMilli(1618019436000L);

  //12 am on 3/11 in UTC
  private Instant start = Instant.parse("2021-03-11T05:00:00.00Z");
  //12 am on 3/28 in UTC
  private Instant end = Instant.parse("2021-03-28T05:00:00.00Z");

  private DatabaseQuerier db;

  @Before
  public void setUp() {
    try{
      db = new DatabaseQuerier("data/lil_mock.sqlite3");
    } catch(Exception e){
      System.out.println("DBQuerier Test, couldn't connect to db???");
    }
  }

  @After
  public void tearDown() {
    db = null;
  }

  @Test
  public void testSuspicionRanksOnMockData(){
    setUp();
    SuspicionRanker r = new SuspicionRanker(db);
    List<Holder> him = r.getSuspicionScoreList(start, end);
    assertEquals(6, him.size());
    for(Holder p: him){
      System.out.println(p.toTestString());
    }
    tearDown();
  }

  @Test
  public void testSusRankEmptyDB(){
    try{
      db = new DatabaseQuerier("data/testing/empty.sqlite3");
    } catch(Exception e){
      System.out.println("DBQuerier Test, couldn't connect to db???");
    }
    SuspicionRanker r = new SuspicionRanker(db);
    List<Holder> vals = r.getSuspicionScoreList(start, end);
    assertTrue(vals.isEmpty());
    tearDown();

  }

  @Test
  public void testBadDates(){
    setUp();
    SuspicionRanker r = new SuspicionRanker(db);
    List<Holder> vals = r.getSuspicionScoreList(end, start);
    assertTrue(vals.isEmpty());
    tearDown();

  }
  //TODO: Test special case for all the profit = 0
  //TODO: Test special case for all the profit is negative



}