/*
 * 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.iotdb.spark.it;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.util.Locale;

public class Utils {
  private static final String insertTemplate =
      "INSERT INTO root.vehicle.d0(timestamp,s0,s1,s2,s3,s4)" + " VALUES(%d,%d,%d,%f,%s,%s)";

  private static String[] data =
      new String[] {
        "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) "
            + "values(1, 1.1, false, 11)",
        "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) "
            + "values(2, 2.2, true, 22)",
        "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) "
            + "values(3, 3.3, false, 33 )",
        "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) "
            + "values(4, 4.4, false, 44)",
        "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) "
            + "values(5, 5.5, false, 55)"
      };

  protected static void prepareData(String jdbcUrl) throws ClassNotFoundException {
    Class.forName("org.apache.iotdb.jdbc.IoTDBDriver");
    try (Connection connection = DriverManager.getConnection(jdbcUrl, "root", "root");
        Statement statement = connection.createStatement()) {

      for (String sql : data) {
        statement.execute(sql);
      }
      // prepare BufferWrite file
      for (int i = 5000; i < 7000; i++) {
        statement.execute(
            String.format(
                Locale.ENGLISH, insertTemplate, i, i, i, (double) i, "'" + i + "'", "true"));
      }
      statement.execute("flush");
      for (int i = 7500; i < 8500; i++) {
        statement.execute(
            String.format(
                Locale.ENGLISH, insertTemplate, i, i, i, (double) i, "'" + i + "'", "false"));
      }
      statement.execute("flush");
      // prepare Unseq-File
      for (int i = 500; i < 1500; i++) {
        statement.execute(
            String.format(
                Locale.ENGLISH, insertTemplate, i, i, i, (double) i, "'" + i + "'", "true"));
      }
      statement.execute("flush");
      for (int i = 3000; i < 6500; i++) {
        statement.execute(
            String.format(
                Locale.ENGLISH, insertTemplate, i, i, i, (double) i, "'" + i + "'", "false"));
      }
      statement.execute("merge");

      // prepare BufferWrite cache
      for (int i = 9000; i < 10000; i++) {
        statement.execute(
            String.format(
                Locale.ENGLISH, insertTemplate, i, i, i, (double) i, "'" + i + "'", "true"));
      }
      // prepare Overflow cache
      for (int i = 2000; i < 2500; i++) {
        statement.execute(
            String.format(
                Locale.ENGLISH, insertTemplate, i, i, i, (double) i, "'" + i + "'", "false"));
      }

    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}
