/* @tier medium @module py @transform payment-online */
/*
 * py_ol_0027.pgc - 지급 분할취소(분할건 일괄 취소) (PY_OL_0027)  [tier=medium]
 *
 * TxCore TX_SERVICE 엔트리. 요청 TXBUF 를 검증하고 임베디드 SQL / 표준
 * DBIO / tx_call 로 처리한 뒤 응답 TXBUF 를 구성한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "py_core.h"

EXEC SQL INCLUDE sqlca;

TX_SERVICE(PY_OL_0027, ctx)
{
    char key[16];
    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[PY_OL_0027] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    EXEC SQL BEGIN DECLARE SECTION;
    char h_prefix[18];
    int  h_aff;
    EXEC SQL END DECLARE SECTION;

    tx_log(TX_LOG_INFO, "[PY_OL_0027] 지급 분할취소 진입");
    snprintf(h_prefix, sizeof(h_prefix), "%.10s-%%", key);

    if (tx_begin() != TX_OK) tx_log(TX_LOG_WARN, "[PY_OL_0027] tx_begin 경고");
    EXEC SQL UPDATE py_ledger SET status = 'U', upd_ts = now()
        WHERE card_no = 'SPLIT' AND key LIKE :h_prefix AND status <> 'S';
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("py_ol_0027 분할취소"); tx_abort();
        tx_return(ctx, TX_EDB, ctx->out); return;
    }
    h_aff = (int)sqlca.sqlerrd[2];
    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_setlong(ctx->out, "CANCELLED", h_aff);
    tx_log(TX_LOG_INFO, "[PY_OL_0027] 분할취소 key=%s 취소=%d건", key, h_aff);
    tx_return(ctx, (h_aff > 0) ? TX_OK : TX_ENOENT, ctx->out);
}