/* @tier hard @module au @transform authorization-online */
/*
 * au_ol_0008.pgc - 승인요청 매입사 중계(tx_call) (AU_OL_0008)  [tier=hard]
 *
 * 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 "au_core.h"

EXEC SQL INCLUDE sqlca;

TX_SERVICE(AU_OL_0008, ctx)
{
    char key[16];
    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AU_OL_0008] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    TXBUF *req;
    char merch[16], card[20], resp[8];
    long amount = 0;
    int  rc;

    tx_log(TX_LOG_INFO, "[AU_OL_0008] 승인요청 중계 진입");
    if (tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK ||
        tx_buf_get(ctx->in, "CARDNO", card, sizeof(card)) != TX_OK) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);

    req = tx_buf_alloc();
    if (!req) {
        tx_return(ctx, TX_ENOMEM, ctx->out);
        return;
    }
    tx_buf_sets(req, "KEY", key);
    tx_buf_sets(req, "MERCHID", merch);
    tx_buf_sets(req, "CARDNO", card);
    tx_buf_setlong(req, "AMOUNT", amount);
    tx_buf_sets(req, "MTI", MSG_TYPE_RECV);

    rc = tx_call("AU_ISSUER", req, ctx->out);
    tx_buf_free(req);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AU_OL_0008] 매입사 중계 실패 rc=%d(%s)", rc, tx_strerror(rc));
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, rc, ctx->out);
        return;
    }

    if (tx_buf_get(ctx->out, "RESPCODE", resp, sizeof(resp)) != TX_OK)
        strcpy(resp, RESP_OK);
    tx_log(TX_LOG_INFO, "[AU_OL_0008] 중계 응답 key=%s resp=%s", key, resp);
    tx_return(ctx, TX_OK, ctx->out);
}