/*
 * py_retry_batch.pgc - py 실패 지급 재시도 (단건 UPDATE 배치, XA).
 *
 * One guarded UPDATE flips the day's failed/held(J,H) payouts back to requested(R)
 * and bumps retry_count, reporting the affected count via sqlca.sqlerrd[2].
 * Usage: py_retry_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 = 'R', retry_count = retry_count + 1, updated_at = now()
        WHERE biz_date = :h_bizdate AND status IN ('J', 'H');
    if (sqlca.sqlcode < 0) { fprintf(stderr, "py_retry_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_retry_batch COMMIT: bizdate=%s requeued=%ld\n", bizdate, h_aff);

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