/*
 * ac_escrow_batch.pgc - ac 에스크로 잔액 집계 (단건 집계 배치, XA).
 * 원장에서 예치(ESCROW)와 해제(ESCROW_REL) 합계를 구해 순 예치 잔액을 낸다.
 *
 * ATMI client: tpinit/tpopen open the ECPG XA RM, tpbegin starts ONE global
 * transaction, aggregate(s) run on the biz_date, then tpcommit drives XA 2PC.
 * Usage: ac_escrow_batch [YYYY-MM-DD]
 */
EXEC SQL INCLUDE ac_escrow_batch;

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_esc, h_rel, h_bal;
    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 coalesce(sum(amount) FILTER (WHERE entry_type = 'ESCROW'),0),
                    coalesce(sum(amount) FILTER (WHERE entry_type = 'ESCROW_REL'),0)
        INTO :h_esc, :h_rel FROM ledger WHERE biz_date = :h_bizdate;
    h_bal = h_esc - h_rel;
    if (sqlca.sqlcode < 0) { fprintf(stderr, "ac_escrow_batch FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }

    if (tpcommit(0) < 0) { fprintf(stderr, "tpcommit FAIL: %s\n", tpstrerror(tperrno)); tpabort(0); return 1; }
    printf(">>> ac_escrow_batch COMMIT: bizdate=%s escrow=%ld release=%ld balance=%ld\n", bizdate, h_esc, h_rel, h_bal);

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