package cn.ac.iie.dao

import cn.ac.iie.config.ApplicationConfig
import cn.ac.iie.utils.SparkSessionUtil.spark
import com.zdjizhi.utils.DateUtils
import org.apache.spark.sql.DataFrame
import org.slf4j.LoggerFactory

import java.util.Date

object BaseClickhouseData {
  private val LOG = LoggerFactory.getLogger(BaseClickhouseData.getClass)

  val currentHour: Long = System.currentTimeMillis / (60 * 60 * 1000) * 60 * 60
  private val timeLimit: (Long, Long) = getTimeLimit

  private def initClickhouseData(sql: String): DataFrame = {

    val dataFrame: DataFrame = spark.read.format("jdbc")
      .option("url", ApplicationConfig.SPARK_READ_CLICKHOUSE_URL)
      .option("dbtable", sql)
      .option("driver", ApplicationConfig.SPARK_READ_CLICKHOUSE_DRIVER)
      .option("user", ApplicationConfig.SPARK_READ_CLICKHOUSE_USER)
      .option("password", ApplicationConfig.SPARK_READ_CLICKHOUSE_PASSWORD)
      .option("numPartitions", ApplicationConfig.NUMPARTITIONS)
      .option("partitionColumn", ApplicationConfig.SPARK_READ_CLICKHOUSE_PARTITIONCOLUMN)
      .option("lowerBound", timeLimit._2)
      .option("upperBound", timeLimit._1)
      .option("fetchsize", ApplicationConfig.SPARK_READ_CLICKHOUSE_FETCHSIZE)
      .option("socket_timeout", ApplicationConfig.CLICKHOUSE_SOCKET_TIMEOUT)
      .load()
    dataFrame.printSchema()
    dataFrame.createOrReplaceGlobalTempView("dbtable")

    dataFrame
  }

  def getVertexFqdnDf: DataFrame = {
    val where = "recv_time >= " + timeLimit._2 + " AND recv_time < " + timeLimit._1
    val sql =
      s"""
         |(SELECT
         | FQDN,MAX( LAST_FOUND_TIME ) AS LAST_FOUND_TIME,MIN( FIRST_FOUND_TIME ) AS FIRST_FOUND_TIME,vsys_id AS VSYS_ID
         |FROM
         | ((SELECT
         |    ssl_sni AS FQDN,MAX( recv_time ) AS LAST_FOUND_TIME,MIN( recv_time ) AS FIRST_FOUND_TIME,vsys_id AS VSYS_ID
         |   FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_SESSION_TABLE}
         |   WHERE $where and decoded_as = 'SSL' GROUP BY ssl_sni,vsys_id
         |  )UNION ALL
         |  (SELECT
         |    http_host AS FQDN,MAX( recv_time ) AS LAST_FOUND_TIME,MIN( recv_time ) AS FIRST_FOUND_TIME,vsys_id AS VSYS_ID
         |   FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_SESSION_TABLE}
         |   WHERE $where and decoded_as = 'HTTP' GROUP BY http_host,vsys_id))
         |GROUP BY FQDN,VSYS_ID HAVING FQDN != '') as dbtable
      """.stripMargin
    LOG.warn(sql)
    val frame = initClickhouseData(sql)
    frame.printSchema()
    frame
  }

  def getVertexIpDf: DataFrame = {
    val where = "recv_time >= " + timeLimit._2 + " AND recv_time < " + timeLimit._1
    val sql =
      s"""
         |(SELECT * FROM
         |((SELECT client_ip AS IP,MIN(recv_time) AS FIRST_FOUND_TIME,
         |MAX(recv_time) AS LAST_FOUND_TIME,
         |count(*) as SESSION_COUNT,
         |SUM(sent_bytes+received_bytes) as BYTES_SUM,
         |'' as common_link_info,
         |'client' as ip_type
         |,vsys_id AS VSYS_ID
         |FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_SESSION_TABLE}
         |where $where
         |group by client_ip,vsys_id)
         |UNION ALL
         |(SELECT server_ip AS IP,
         |MIN(recv_time) AS FIRST_FOUND_TIME,
         |MAX(recv_time) AS LAST_FOUND_TIME,
         |count(*) as SESSION_COUNT,
         |SUM(sent_bytes+received_bytes) as BYTES_SUM,
         |'' as common_link_info,
         |'server' as ip_type
         |,vsys_id AS VSYS_ID
         |FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_SESSION_TABLE}
         |where $where
         |group by server_ip,vsys_id))) as dbtable
      """.stripMargin
    LOG.warn(sql)
    val frame = initClickhouseData(sql)
    frame.printSchema()
    frame
  }


  def getRelationFqdnLocateIpDf: DataFrame = {
    val where = "recv_time >= " + timeLimit._2 + " AND recv_time < " + timeLimit._1
    val sql =
      s"""
         |(SELECT * FROM
         |((SELECT ssl_sni AS FQDN,server_ip AS destination_ip,MAX(recv_time) AS LAST_FOUND_TIME,MIN(recv_time) AS FIRST_FOUND_TIME,COUNT(*) AS COUNT_TOTAL,
         |toString(groupUniqArray(${ApplicationConfig.DISTINCT_CLIENT_IP_NUM})(source_ip)) AS DIST_CIP_RECENT,'TLS' AS decoded_as_list, vsys_id AS VSYS_ID
         |FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_SESSION_TABLE}
         |WHERE $where and decoded_as = 'SSL' GROUP BY ssl_sni,server_ip,vsys_id)
         |UNION ALL
         |(SELECT http_host AS FQDN,server_ip AS destination_ip,MAX(recv_time) AS LAST_FOUND_TIME,MIN(recv_time) AS FIRST_FOUND_TIME,COUNT(*) AS COUNT_TOTAL,
         |toString(groupUniqArray(${ApplicationConfig.DISTINCT_CLIENT_IP_NUM})(source_ip)) AS DIST_CIP_RECENT,'HTTP' AS decoded_as_list,vsys_id AS VSYS_ID
         |FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_SESSION_TABLE}
         |WHERE $where and decoded_as = 'HTTP' GROUP BY http_host,server_ip,vsys_id))
         |WHERE FQDN != '') as dbtable
      """.stripMargin
    LOG.warn(sql)
    val frame = initClickhouseData(sql)
    frame.printSchema()
    frame
  }

  def getRelationSubidLocateIpDf: DataFrame = {
    val where =
      s"""
         | common_recv_time >= ${getRadiusTimeRange._2}
         | AND common_recv_time < ${getRadiusTimeRange._1}
         | AND common_subscriber_id != ''
         | AND radius_framed_ip != ''
         | AND radius_packet_type = 4
         | AND radius_acct_status_type = 1
      """.stripMargin
    val sql =
      s"""
         |(
         |SELECT common_subscriber_id,radius_framed_ip,MAX(common_recv_time) as LAST_FOUND_TIME,MIN(common_recv_time) as FIRST_FOUND_TIME,common_vsys_id AS VSYS_ID
         |FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_RADIUS_TABLE}
         |WHERE $where GROUP BY common_subscriber_id,radius_framed_ip,common_vsys_id
         |) as dbtable
      """.stripMargin
    LOG.warn(sql)
    val frame = initClickhouseData(sql)
    frame.printSchema()
    frame
  }

  def getVertexSubidDf: DataFrame = {
    val where =
      s"""
         | common_recv_time >= ${getRadiusTimeRange._2}
         | AND common_recv_time < ${getRadiusTimeRange._1}
         | AND common_subscriber_id != ''
         | AND radius_framed_ip != ''
         | AND radius_packet_type = 4
         | AND radius_acct_status_type = 1
      """.stripMargin

    val sql =
      s"""
         |(
         |SELECT common_subscriber_id,MAX(common_recv_time) as LAST_FOUND_TIME,MIN(common_recv_time) as FIRST_FOUND_TIME,common_vsys_id AS VSYS_ID FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_RADIUS_TABLE}
         |WHERE $where GROUP BY common_subscriber_id,common_vsys_id
         |)as dbtable
      """.stripMargin
    LOG.warn(sql)
    val frame = initClickhouseData(sql)
    frame.printSchema()
    frame
  }

  def getVertexFramedIpDf: DataFrame = {
    val where =
      s"""
         | common_recv_time >= ${getRadiusTimeRange._2}
         | AND common_recv_time < ${getRadiusTimeRange._1}
         | AND common_subscriber_id != ''
         | AND radius_framed_ip != ''
         | AND radius_packet_type = 4
         | AND radius_acct_status_type = 1
      """.stripMargin
    val sql =
      s"""
         |(
         |SELECT radius_framed_ip,MAX(common_recv_time) as LAST_FOUND_TIME,common_vsys_id AS VSYS_ID FROM ${ApplicationConfig.SPARK_READ_CLICKHOUSE_RADIUS_TABLE} WHERE $where
         |GROUP BY radius_framed_ip,common_vsys_id
         |)as dbtable
      """.stripMargin
    LOG.warn(sql)
    val frame = initClickhouseData(sql)
    frame.printSchema()
    frame
  }

  private def getRadiusTimeRange: (Long, Long) = {
    val date = DateUtils.getTimeFloor(new Date(System.currentTimeMillis()), "PT1M")
    val max = date.getTime / 1000
    val min = DateUtils.getSomeMinute(date, ApplicationConfig.READ_RADIUS_GRANULARITY).getTime / 1000
    (max, min)
  }

  def main(args: Array[String]): Unit = {
    println(getRadiusTimeRange)
    println(getRadiusTimeRange._2 - getRadiusTimeRange._1)
  }

  private def getTimeLimit: (Long, Long) = {
    var maxTime = 0L
    var minTime = 0L
    ApplicationConfig.CLICKHOUSE_TIME_LIMIT_TYPE match {
      case 0 =>
        maxTime = currentHour
        minTime = maxTime - ApplicationConfig.UPDATE_INTERVAL
      case 1 =>
        maxTime = ApplicationConfig.READ_CLICKHOUSE_MAX_TIME
        minTime = ApplicationConfig.READ_CLICKHOUSE_MIN_TIME
      case _ =>
    }
    (maxTime, minTime)
  }

}