#include "mix_cc/ihyper_db/read_data_stats.h"
#include "mix_cc/debug.h"
#include "mix_cc/ihyper_db/connection.h"
#include "mix_cc/type/mix_time.h"

mix_cc::fp::maybe<double> mix_cc::ihd::read_data_stats_maybe(
    const std::string& tag_name, time_range_t time_range,
    HD3_STATS_TYPE hd3_stats_type) {
  auto_connect();
  return fwd::apply(
      read_tag_info_maybe(tag_name),
      fwd::lift_maybe([=](HD3TagBasicInfo tag_info) -> maybe<double> {
        auto tag_id = tag_info.nTagID;
        HD3StRelatedParam stParam;
        double q_value = 0.0;
        auto time_region = convert_to_hd_tr(time_range);
        stParam.pTimeRegions = &time_region;
        stParam.nTimeRegionNum = 1;
        stParam.fPercentGood = 0;
        stParam.nStatsType = hd3_stats_type;
        stParam.nSampleType = HD3_STATS_SAMPLE_TYPE_RAW;
        strcpy(stParam.szFilterExpr, "");
        auto ret_v = st3_tag_stats_calc(tag_id, &stParam, &q_value);
        if (ret_v != RD_SUCCESS) {
          DEBUG_PRINT_MIX_CC(
              "query tag stats failure,tag_id :" + std::to_string(tag_id) +
              " tag_name:" + tag_name + ", time range is [" +
              mix_time_t(time_range.get_left()).to_formatted_time() + "," +
              mix_time_t(time_range.get_right()).to_formatted_time() + ")");
          return {};
        }
        return q_value;
      }),
      fwd::flatten_maybe());
}