/* @tier easy @module cm @transform common-online */
/*
 * cm_ol_0023.pgc - 코드명 조회 서비스 (CM_OL_0023)  [tier=easy]
 *
 * 요청의 코드그룹(GRP)/코드값(CODE)으로 공통코드 마스터(cm_code)를
 * 조회하여 코드명(NAME)만 단건으로 응답한다. 부가속성은 반환하지 않는
 * 경량 조회. (ATMI void SVC(TPSVCINFO*) 대응)
 */
#include <stdio.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(CM_OL_0023, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_grp[16];
    char h_code[16];
    char h_name[64];
    EXEC SQL END DECLARE SECTION;

    char grp[16];
    char code[16];

    tx_log(TX_LOG_INFO, "[CM_OL_0023] 코드명 조회 서비스 진입");

    if (tx_buf_get(ctx->in, "GRP", grp, sizeof(grp)) != TX_OK ||
        tx_buf_get(ctx->in, "CODE", code, sizeof(code)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[CM_OL_0023] GRP/CODE 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    memset(&h_grp, 0, sizeof(h_grp));
    memset(&h_code, 0, sizeof(h_code));
    memset(&h_name, 0, sizeof(h_name));
    strncpy(h_grp, grp, sizeof(h_grp) - 1);
    strncpy(h_code, code, sizeof(h_code) - 1);

    EXEC SQL
        SELECT code_name
          INTO :h_name
          FROM cm_code
         WHERE grp_cd  = :h_grp
           AND code_cd = :h_code
           AND use_yn  = 'Y';

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[CM_OL_0023] 코드 없음 grp=%s code=%s", grp, code);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("CM_OL_0023 SELECT cm_code");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "GRP", grp);
    tx_buf_sets(ctx->out, "CODE", code);
    tx_buf_sets(ctx->out, "NAME", h_name);
    tx_log(TX_LOG_INFO, "[CM_OL_0023] 코드명 조회완료 grp=%s code=%s name=%s",
           grp, code, h_name);
    tx_return(ctx, TX_OK, ctx->out);
}