-- DIRECT 统计初始化（仅执行一次）。
-- 执行前：停止 syslog-consumer-rule、syslog-consumer，完成 01、02；
-- 将 BUSINESS_DATE 替换为升级日（如 2026-08-24），YYYYMMDD 替换为 20260824。
-- 任一语句报错立即停止并 ROLLBACK；全部成功后再 COMMIT。

ROLLBACK;
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;

-- 1. 初始化当天设备统计。
INSERT INTO device_daily_stats(
  stat_date,device_id,parse_count,non_log_count,
  last_receive_time,projection_seq,updated_at
)
SELECT TO_DATE('BUSINESS_DATE','YYYY-MM-DD'),device_id,
       SUM(parse_count),SUM(non_log_count),MAX(last_receive_time),0,SYSDATE
FROM (
  SELECT device_id,COUNT(*) parse_count,0 non_log_count,
         CAST(NULL AS TIMESTAMP) last_receive_time
  FROM syslog_normal_data_p_YYYYMMDD
  WHERE created_at>=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
    AND created_at<TO_DATE('BUSINESS_DATE','YYYY-MM-DD')+1
    AND device_id IS NOT NULL
  GROUP BY device_id

  UNION ALL

  SELECT device_id,COUNT(*),0,CAST(NULL AS TIMESTAMP)
  FROM syslog_normal_alarm_p_YYYYMMDD
  WHERE created_at>=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
    AND created_at<TO_DATE('BUSINESS_DATE','YYYY-MM-DD')+1
    AND device_id IS NOT NULL
  GROUP BY device_id

  UNION ALL

  SELECT device_id,0,COUNT(*),CAST(NULL AS TIMESTAMP)
  FROM syslog_non_normal_message_p_YYYYMMDD
  WHERE created_at>=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
    AND created_at<TO_DATE('BUSINESS_DATE','YYYY-MM-DD')+1
    AND device_id IS NOT NULL
  GROUP BY device_id

  UNION ALL

  SELECT id,0,0,last_receive_time
  FROM device_device
  WHERE id IS NOT NULL
    AND last_receive_time>=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
    AND last_receive_time<TO_DATE('BUSINESS_DATE','YYYY-MM-DD')+1
) facts
GROUP BY device_id;

-- 2. 初始化当天规则统计。
INSERT INTO normalize_rule_daily_stats(
  stat_date,normalize_rule_id,max_log_time,projection_seq,updated_at
)
SELECT TO_DATE('BUSINESS_DATE','YYYY-MM-DD'),normalize_rule_id,
       MAX(log_time),0,SYSDATE
FROM (
  SELECT normalize_rule_id,log_time
  FROM syslog_normal_data_p_YYYYMMDD
  WHERE created_at>=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
    AND created_at<TO_DATE('BUSINESS_DATE','YYYY-MM-DD')+1
    AND normalize_rule_id IS NOT NULL

  UNION ALL

  SELECT normalize_rule_id,log_time
  FROM syslog_normal_alarm_p_YYYYMMDD
  WHERE created_at>=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
    AND created_at<TO_DATE('BUSINESS_DATE','YYYY-MM-DD')+1
    AND normalize_rule_id IS NOT NULL
) facts
GROUP BY normalize_rule_id;

-- 3. 初始化采集任务统计。
INSERT INTO device_collect_stats(
  device_collect_id,first_success_time,last_success_time,
  last_fail_time,projection_seq,updated_at
)
SELECT id,first_time,last_success_time,last_failed_time,0,SYSDATE
FROM device_collect_task;

-- 4. 回填设备今日计数。
UPDATE device_device
SET today_parse_count=0,
    today_non_log_count=0,
    today_stats_date=TO_DATE('BUSINESS_DATE','YYYY-MM-DD'),
    updated_at=SYSDATE;

UPDATE device_device d
SET today_parse_count=(
      SELECT s.parse_count
      FROM device_daily_stats s
      WHERE s.stat_date=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
        AND s.device_id=d.id
    ),
    today_non_log_count=(
      SELECT s.non_log_count
      FROM device_daily_stats s
      WHERE s.stat_date=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
        AND s.device_id=d.id
    ),
    updated_at=SYSDATE
WHERE EXISTS (
  SELECT 1
  FROM device_daily_stats s
  WHERE s.stat_date=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
    AND s.device_id=d.id
);

-- 5. 回填规则最后命中时间，只允许时间向前推进。
UPDATE dm_normalize_rule r
SET first_data_saved_at=CASE
      WHEN first_data_saved_at IS NULL OR first_data_saved_at<(
        SELECT s.max_log_time
        FROM normalize_rule_daily_stats s
        WHERE s.stat_date=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
          AND s.normalize_rule_id=r.id
      ) THEN (
        SELECT s.max_log_time
        FROM normalize_rule_daily_stats s
        WHERE s.stat_date=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
          AND s.normalize_rule_id=r.id
      )
      ELSE first_data_saved_at
    END,
    updated_at=SYSDATE
WHERE r.del_flag='0'
  AND EXISTS (
    SELECT 1
    FROM normalize_rule_daily_stats s
    WHERE s.stat_date=TO_DATE('BUSINESS_DATE','YYYY-MM-DD')
      AND s.normalize_rule_id=r.id
      AND s.max_log_time IS NOT NULL
  );

UPDATE stats_direct_control
SET rebuild_required=0,updated_at=SYSDATE
WHERE control_name='SYSLOG_STATS';

COMMIT;