/*
 * cm_errbps_batch.pgc - cm 오류 로그 비율(bps) 산출 배치 (XA).
 *
 * ATMI client: tpinit/tpopen open the ECPG XA RM, tpbegin starts ONE global
 * transaction; 단일 SELECT 에서 count(*) FILTER (WHERE ...) 로 오류(E) 건과
 * 전체 건을 동시에 집계한 뒤 C 에서 bps 를 계산; then tpcommit drives XA 2PC.
 * Usage: cm_errbps_batch [YYYY-MM-DD]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <atmi.h>
#include "cm_dbio.h"

int main(int argc, char **argv)
{
    const char *bizdate = (argc > 1) ? argv[1] : "2026-07-19";
    EXEC SQL BEGIN DECLARE SECTION;
    char h_bizdate[16];
    long h_err = 0, h_tot = 0, h_bps = 0;
    EXEC SQL END DECLARE SECTION;

    strncpy(h_bizdate, bizdate, sizeof(h_bizdate)-1); h_bizdate[sizeof(h_bizdate)-1] = 0;

    if (tpinit(NULL) < 0) { fprintf(stderr, "tpinit FAIL: %s\n", tpstrerror(tperrno)); return 1; }
    if (tpopen() < 0)     { fprintf(stderr, "tpopen FAIL: %s\n", tpstrerror(tperrno)); return 1; }
    if (tpbegin(60, 0) < 0) { fprintf(stderr, "tpbegin FAIL: %s\n", tpstrerror(tperrno)); return 1; }

    EXEC SQL SELECT count(*) FILTER (WHERE log_level = 'E'), count(*)
        INTO :h_err, :h_tot FROM cm_log WHERE biz_date = :h_bizdate;
    if (sqlca.sqlcode < 0) { fprintf(stderr, "cm_errbps_batch FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }
    h_bps = (h_tot > 0) ? h_err * 10000 / h_tot : 0;

    if (tpcommit(0) < 0) { fprintf(stderr, "tpcommit FAIL: %s\n", tpstrerror(tperrno)); tpabort(0); return 1; }
    printf(">>> cm_errbps_batch COMMIT: bizdate=%s err=%ld total=%ld bps=%ld\n", bizdate, h_err, h_tot, h_bps);

    tpclose(); tpterm();
    return 0;
}
