/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.phoenix.end2end;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Arrays;
import java.util.List;
import java.util.Properties;
import org.apache.phoenix.schema.types.PDataType;
import org.apache.phoenix.schema.types.PLong;
import org.apache.phoenix.schema.types.PSmallint;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import org.apache.phoenix.thirdparty.com.google.common.collect.Lists;

@Category(ParallelStatsDisabledTest.class)
public class UpsertBigValuesIT extends ParallelStatsDisabledIT {

  private static final long INTEGER_MIN_MINUS_ONE = (long) Integer.MIN_VALUE - 1;
  private static final long INTEGER_MAX_PLUS_ONE = (long) Integer.MAX_VALUE + 1;

  @Test
  public void testIntegerPK() throws Exception {
    int[] testNumbers = { Integer.MIN_VALUE, Integer.MIN_VALUE + 1, -2, -1, 0, 1, 2,
      Integer.MAX_VALUE - 1, Integer.MAX_VALUE };
    String tableName = generateUniqueName();
    ensureTableCreated(getUrl(), tableName, "PKIntValueTest");
    Properties props = new Properties();
    Connection conn = DriverManager.getConnection(getUrl(), props);
    String upsert = "UPSERT INTO " + tableName + " VALUES(?)";
    PreparedStatement stmt = conn.prepareStatement(upsert);
    for (int i = 0; i < testNumbers.length; i++) {
      stmt.setInt(1, testNumbers[i]);
      stmt.execute();
    }
    conn.commit();

    String select = "SELECT COUNT(*) from " + tableName;
    ResultSet rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where pk >= " + Integer.MIN_VALUE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT pk FROM " + tableName + " where pk >= " + Integer.MIN_VALUE
      + " GROUP BY pk ORDER BY pk ASC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = 0; i < testNumbers.length; i++) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getInt(1));
    }
    assertFalse(rs.next());

    // NOTE: This case currently fails with an error message:
    // "Overflow trying to get next key for [-1, -1, -1, -1]"
    select = "SELECT count(*) FROM " + tableName + " where pk <= " + Integer.MAX_VALUE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT pk FROM " + tableName + " where pk <= " + Integer.MAX_VALUE
      + " GROUP BY pk ORDER BY pk DESC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = testNumbers.length - 1; i >= 0; i--) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getInt(1));
    }
    assertFalse(rs.next());

    // NOTE: This case currently fails since it is not retrieving the negative values.
    select = "SELECT count(*) FROM " + tableName + " where pk >= " + INTEGER_MIN_MINUS_ONE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT pk FROM " + tableName + " where pk >= " + INTEGER_MIN_MINUS_ONE
      + " GROUP BY pk ORDER BY pk ASC NULLS LAST ";
    rs = conn.createStatement().executeQuery(select);
    for (int i = 0; i < testNumbers.length; i++) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getInt(1));
    }
    assertFalse(rs.next());

    // NOTE: This test case fails because it is not retrieving positive values.
    select = "SELECT count(*) FROM " + tableName + " where pk <= " + INTEGER_MAX_PLUS_ONE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT pk FROM " + tableName + " where pk <= " + INTEGER_MAX_PLUS_ONE
      + " GROUP BY pk ORDER BY pk DESC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = testNumbers.length - 1; i >= 0; i--) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getInt(1));
    }
    assertFalse(rs.next());
    conn.close();
  }

  @Test
  public void testBigIntPK() throws Exception {
    // NOTE: Due to how we parse negative long, -9223372036854775808L, the minimum value of
    // bigint is not recognizable in the current version. As a result, we start with
    // Long.MIN_VALUE+1 as the smallest value.
    String tableName = generateUniqueName();
    long[] testNumbers = { Long.MIN_VALUE + 1, Long.MIN_VALUE + 2, -2L, -1L, 0L, 1L, 2L,
      Long.MAX_VALUE - 1, Long.MAX_VALUE };
    ensureTableCreated(getUrl(), tableName, "PKBigIntValueTest");
    Properties props = new Properties();
    Connection conn = DriverManager.getConnection(getUrl(), props);
    String upsert = "UPSERT INTO " + tableName + " VALUES(?)";
    PreparedStatement stmt = conn.prepareStatement(upsert);
    for (int i = 0; i < testNumbers.length; i++) {
      stmt.setLong(1, testNumbers[i]);
      stmt.execute();
    }
    conn.commit();

    String select = "SELECT COUNT(*) from " + tableName;
    ResultSet rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where pk >= " + (Long.MIN_VALUE + 1);
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT pk FROM " + tableName + " WHERE pk >= " + (Long.MIN_VALUE + 1)
      + " GROUP BY pk ORDER BY pk ASC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = 0; i < testNumbers.length; i++) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getLong(1));
    }
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where pk <= " + Long.MAX_VALUE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT pk FROM " + tableName + " WHERE pk <= " + Long.MAX_VALUE
      + " GROUP BY pk ORDER BY pk DESC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = testNumbers.length - 1; i >= 0; i--) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getLong(1));
    }
    assertFalse(rs.next());

    /*
     * NOTE: This section currently fails due to the fact that we cannot parse literal values that
     * are bigger than Long.MAX_VALUE and Long.MIN_VALUE. We will need to fix the parse before
     * enabling this section of the test. select =
     * "SELECT count(*) FROM PKBigIntValueTest where pk >= " + LONG_MIN_MINUS_ONE; rs =
     * conn.createStatement().executeQuery(select); assertTrue(rs.next());
     * assertEquals(testNumbers.length, rs.getInt(1)); assertFalse(rs.next()); select =
     * "SELECT pk FROM PKBigIntValueTest WHERE pk >= " + LONG_MIN_MINUS_ONE +
     * " GROUP BY pk ORDER BY pk ASC NULLS LAST "; rs = conn.createStatement().executeQuery(select);
     * for (int i = 0; i < testNumbers.length; i++) { assertTrue(rs.next());
     * assertEquals(testNumbers[i], rs.getLong(1)); } assertFalse(rs.next()); select =
     * "SELECT count(*) FROM PKBigIntValueTest where pk <= " + LONG_MAX_PLUS_ONE; rs =
     * conn.createStatement().executeQuery(select); assertTrue(rs.next());
     * assertEquals(testNumbers.length, rs.getInt(1)); assertFalse(rs.next()); select =
     * "SELECT pk FROM PKBigIntValueTest WHERE pk <= " + LONG_MAX_PLUS_ONE +
     * " GROUP BY pk ORDER BY pk DESC NULLS LAST"; rs = conn.createStatement().executeQuery(select);
     * for (int i = testNumbers.length-1; i >= 0; i--) { assertTrue(rs.next());
     * assertEquals(testNumbers[i], rs.getLong(1)); } assertFalse(rs.next());
     */
    conn.close();
  }

  @Test
  public void testIntegerKV() throws Exception {
    String tableName = generateUniqueName();
    int[] testNumbers = { Integer.MIN_VALUE, Integer.MIN_VALUE + 1, -2, -1, 0, 1, 2,
      Integer.MAX_VALUE - 1, Integer.MAX_VALUE };
    ensureTableCreated(getUrl(), tableName, "KVIntValueTest");
    Properties props = new Properties();
    Connection conn = DriverManager.getConnection(getUrl(), props);
    String upsert = "UPSERT INTO " + tableName + " VALUES(?, ?)";
    PreparedStatement stmt = conn.prepareStatement(upsert);
    for (int i = 0; i < testNumbers.length; i++) {
      stmt.setInt(1, i);
      stmt.setInt(2, testNumbers[i]);
      stmt.execute();
    }
    conn.commit();

    String select = "SELECT COUNT(*) from " + tableName;
    ResultSet rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where kv >= " + Integer.MIN_VALUE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT kv FROM " + tableName + " WHERE kv >= " + Integer.MIN_VALUE
      + " GROUP BY kv ORDER BY kv ASC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = 0; i < testNumbers.length; i++) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getInt(1));
    }
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where kv <= " + Integer.MAX_VALUE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT kv FROM " + tableName + " WHERE kv <= " + Integer.MAX_VALUE
      + " GROUP BY kv ORDER BY kv DESC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = testNumbers.length - 1; i >= 0; i--) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getInt(1));
    }
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where kv >= " + INTEGER_MIN_MINUS_ONE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT kv FROM " + tableName + " WHERE kv >= " + INTEGER_MIN_MINUS_ONE
      + " GROUP BY kv ORDER BY kv ASC NULLS LAST ";
    rs = conn.createStatement().executeQuery(select);
    for (int i = 0; i < testNumbers.length; i++) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getInt(1));
    }
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where kv <= " + INTEGER_MAX_PLUS_ONE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT kv FROM " + tableName + " WHERE kv <= " + INTEGER_MAX_PLUS_ONE
      + " GROUP BY kv ORDER BY kv DESC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = testNumbers.length - 1; i >= 0; i--) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getInt(1));
    }
    assertFalse(rs.next());
    conn.close();
  }

  @Test
  public void testBigIntKV() throws Exception {
    // NOTE: Due to how we parse negative long, -9223372036854775808L, the minimum value of
    // bigint is not recognizable in the current version. As a result, we start with
    // Long.MIN_VALUE+1 as the smallest value.
    String tableName = generateUniqueName();
    long[] testNumbers = { Long.MIN_VALUE + 1, Long.MIN_VALUE + 2, -2L, -1L, 0L, 1L, 2L,
      Long.MAX_VALUE - 1, Long.MAX_VALUE };
    ensureTableCreated(getUrl(), tableName, "KVBigIntValueTest");
    Properties props = new Properties();
    Connection conn = DriverManager.getConnection(getUrl(), props);
    String upsert = "UPSERT INTO " + tableName + " VALUES(?,?)";
    PreparedStatement stmt = conn.prepareStatement(upsert);
    for (int i = 0; i < testNumbers.length; i++) {
      stmt.setLong(1, i);
      stmt.setLong(2, testNumbers[i]);
      stmt.execute();
    }
    conn.commit();

    String select = "SELECT COUNT(*) from " + tableName;
    ResultSet rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where kv >= " + (Long.MIN_VALUE + 1);
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT kv FROM " + tableName + " WHERE kv >= " + (Long.MIN_VALUE + 1)
      + " GROUP BY kv ORDER BY kv ASC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = 0; i < testNumbers.length; i++) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getLong(1));
    }
    assertFalse(rs.next());

    select = "SELECT count(*) FROM " + tableName + " where kv <= " + Long.MAX_VALUE;
    rs = conn.createStatement().executeQuery(select);
    assertTrue(rs.next());
    assertEquals(testNumbers.length, rs.getInt(1));
    assertFalse(rs.next());
    select = "SELECT kv FROM " + tableName + " WHERE kv <= " + Long.MAX_VALUE
      + " GROUP BY kv ORDER BY kv DESC NULLS LAST";
    rs = conn.createStatement().executeQuery(select);
    for (int i = testNumbers.length - 1; i >= 0; i--) {
      assertTrue(rs.next());
      assertEquals(testNumbers[i], rs.getLong(1));
    }
    assertFalse(rs.next());

    /*
     * NOTE: This section currently fails due to the fact that we cannot parse literal values that
     * are bigger than Long.MAX_VALUE and Long.MIN_VALUE. We will need to fix the parse before
     * enabling this section of the test. select =
     * "SELECT count(*) FROM KVBigIntValueTest where kv >= " + LONG_MIN_MINUS_ONE; rs =
     * conn.createStatement().executeQuery(select); assertTrue(rs.next());
     * assertEquals(testNumbers.length, rs.getInt(1)); assertFalse(rs.next()); select =
     * "SELECT kv FROM KVBigIntValueTest WHERE kv >= " + LONG_MIN_MINUS_ONE +
     * " GROUP BY kv ORDER BY kv ASC NULLS LAST "; rs = conn.createStatement().executeQuery(select);
     * for (int i = 0; i < testNumbers.length; i++) { assertTrue(rs.next());
     * assertEquals(testNumbers[i], rs.getInt(1)); } assertFalse(rs.next()); select =
     * "SELECT count(*) FROM KVBigIntValueTest where kv <= " + LONG_MAX_PLUS_ONE; rs =
     * conn.createStatement().executeQuery(select); assertTrue(rs.next());
     * assertEquals(testNumbers.length, rs.getInt(1)); assertFalse(rs.next()); select =
     * "SELECT kv FROM KVBigIntValueTest WHERE kv <= " + LONG_MAX_PLUS_ONE +
     * " GROUP BY kv ORDER BY kv DESC NULLS LAST"; rs = conn.createStatement().executeQuery(select);
     * for (int i = testNumbers.length-1; i >= 0; i--) { assertTrue(rs.next());
     * assertEquals(testNumbers[i], rs.getInt(1)); } assertFalse(rs.next());
     */
    conn.close();
  }

  @Test
  public void testShort() throws Exception {
    List<Short> testData =
      Arrays.asList(Short.MIN_VALUE, Short.MAX_VALUE, (short) (Short.MIN_VALUE + 1),
        (short) (Short.MAX_VALUE - 1), (short) 0, (short) 1, (short) -1);
    testValues(false, PSmallint.INSTANCE, testData);
    testValues(true, PSmallint.INSTANCE, testData);
  }

  @Test
  public void testBigInt() throws Exception {
    List<Long> testData = Arrays.asList(Long.MIN_VALUE, Long.MAX_VALUE, Long.MIN_VALUE + 1L,
      Long.MAX_VALUE - 1L, 0L, 1L, -1L);
    testValues(false, PLong.INSTANCE, testData);
    testValues(true, PLong.INSTANCE, testData);
  }

  private <T extends Number> void testValues(boolean immutable, PDataType<?> dataType,
    List<T> testData) throws Exception {
    String tableName = generateUniqueName();
    String ddl = String.format("CREATE %s TABLE %s (K INTEGER PRIMARY KEY, V1 %s)",
      immutable ? "IMMUTABLE" : "", tableName, dataType.getSqlTypeName());
    try (Connection conn = DriverManager.getConnection(getUrl())) {
      conn.createStatement().execute(ddl);
      String upsert = "UPSERT INTO " + tableName + " VALUES(?, ?)";
      PreparedStatement stmt = conn.prepareStatement(upsert);
      int id = 1;
      for (T testVal : testData) {
        stmt.setInt(1, id++);
        stmt.setObject(2, testVal, dataType.getSqlType());
        stmt.execute();
      }
      conn.commit();
      String query = String.format("SELECT K,V1 FROM %s ORDER BY K ASC", tableName);
      ResultSet rs = conn.createStatement().executeQuery(query);
      int index = 0;
      boolean failed = false;
      List<String> errors = Lists.newArrayList();
      while (rs.next()) {
        Number resultVal = rs.getObject(2, testData.get(0).getClass());
        T testVal = testData.get(index++);
        if (!testVal.equals(resultVal)) {
          errors.add(String.format("[expected=%s actual=%s] ", testVal, resultVal));
          failed = true;
        }
      }
      String errorMsg =
        String.format("Data in table didn't match input: immutable=%s, dataType=%s, %s", immutable,
          dataType.getSqlTypeName(), errors);
      assertFalse(errorMsg, failed);
    }
  }

}
