/*
 * py_close_batch.pgc - py 일마감 (단건 UPDATE 배치, XA).
 *
 * Flips the day's paid(P) payouts to closed(X) with ONE guarded UPDATE and
 * reports the affected count via sqlca.sqlerrd[2], all under ONE XA transaction.
 * Usage: py_close_batch [YYYY-MM-DD]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <atmi.h>
#include "py_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_aff;
    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 UPDATE py_payout SET status = 'X' WHERE biz_date = :h_bizdate AND status = 'P';
    if (sqlca.sqlcode < 0) { fprintf(stderr, "py_close_batch FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }
    h_aff = sqlca.sqlerrd[2];

    if (tpcommit(0) < 0) { fprintf(stderr, "tpcommit FAIL: %s\n", tpstrerror(tperrno)); tpabort(0); return 1; }
    printf(">>> py_close_batch COMMIT: bizdate=%s closed(P->X)=%ld\n", bizdate, h_aff);

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