/*
 * cl_monthly_batch.pgc - cl 월 마감 배치 (월 집계 + close_log MONTHLY) (XA 배치).
 *
 * ATMI client: tpinit/tpopen open the ECPG XA RM, tpbegin starts ONE global
 * transaction; EXEC SQL work runs on that branch, then tpcommit drives XA 2PC.
 * Usage: cl_monthly_batch [YYYY-MM-DD]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <atmi.h>
#include "cl_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];
    char h_period[16];
    long h_cnt, h_amt;
    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; }

    long cid;
    strncpy(h_period, bizdate, 7); h_period[7] = 0;
    EXEC SQL SELECT count(*), coalesce(sum(amount),0) INTO :h_cnt, :h_amt
        FROM purchase WHERE to_char(biz_date,'YYYY-MM') = :h_period;
    if (sqlca.sqlcode < 0) { fprintf(stderr, "AGG FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }
    cid = cldb_next_close_id();
    if (cid < 0) { tpabort(0); return 1; }
    if (cldb_insert_close(cid, "MONTHLY", h_period, bizdate, "C", h_cnt, h_amt, "월마감(배치)") < 0) { tpabort(0); return 1; }
    if (tpcommit(0) < 0) { fprintf(stderr, "tpcommit FAIL: %s\n", tpstrerror(tperrno)); tpabort(0); return 1; }
    printf(">>> cl_monthly_batch COMMIT: period=%s cid=%ld 건수=%ld 총액=%ld\n", h_period, cid, h_cnt, h_amt);
    tpclose(); tpterm();
    return 0;
}
