/* @tier easy @module vl @transform validation-online */
/*
 * vl_ol_0010.pgc - 코드값 유효성 검증 서비스 (VL_OL_0010)
 *
 * 입력 코드그룹 + 코드값을 공통코드(vl_common_code) 에서 조회하여 등록 여부와
 * 사용여부(use_yn='Y') 를 확인한다. 미등록이거나 비활성이면 불일치(VL10xx).
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(VL_OL_0010, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_grp[16];
    char h_val[16];
    char h_use_yn[2];
    char h_code_name[41];
    EXEC SQL END DECLARE SECTION;

    char grp[16], val[16];

    tx_log(TX_LOG_INFO, "[VL_OL_0010] 코드값 검증 서비스 진입");

    if (tx_buf_get(ctx->in, "CODEGRP", grp, sizeof(grp)) != TX_OK ||
        tx_buf_get(ctx->in, "CODEVAL", val, sizeof(val)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0010] 필수 필드 누락(CODEGRP/CODEVAL)");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1000");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 1) 공통코드 조회 */
    strncpy(h_grp, grp, sizeof(h_grp) - 1);  h_grp[sizeof(h_grp) - 1] = '\0';
    strncpy(h_val, val, sizeof(h_val) - 1);  h_val[sizeof(h_val) - 1] = '\0';
    memset(h_use_yn, 0, sizeof(h_use_yn));
    memset(h_code_name, 0, sizeof(h_code_name));

    EXEC SQL SELECT use_yn, code_name
          INTO :h_use_yn, :h_code_name
          FROM vl_common_code
         WHERE code_group = :h_grp
           AND code_value = :h_val;

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[VL_OL_0010] 미등록 코드 grp=%s val=%s", grp, val);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1002");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT vl_common_code");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1009");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 2) 사용여부 판정 */
    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "CODEGRP", grp);
    tx_buf_sets(ctx->out, "CODEVAL", val);
    tx_buf_sets(ctx->out, "CODENAME", h_code_name);
    tx_buf_sets(ctx->out, "USEYN", h_use_yn);

    if (memcmp(h_use_yn, "Y", 1) != 0) {
        tx_log(TX_LOG_WARN, "[VL_OL_0010] 비활성 코드 grp=%s val=%s use=%s",
               grp, val, h_use_yn);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1003");
        tx_return(ctx, TX_OK, ctx->out);
        return;
    }

    tx_buf_sets(ctx->out, "RESULT", "MATCH");
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[VL_OL_0010] 코드 유효 grp=%s val=%s name=%s",
           grp, val, h_code_name);
    tx_return(ctx, TX_OK, ctx->out);
}
