/* @tier easy @module vl @transform validation-online */
/*
 * vl_ol_0001.pgc - 정합성 온라인 서비스 (VL_OL_0001)  [tier=easy]
 *
 * TxCore TX_SERVICE 엔트리. 요청 TXBUF 를 검증하고 vl 표준 DBIO 로
 * 처리한 뒤, 원장(vl_ledger)을 임베디드 조회하여 수수료/카드번호(마스킹)/
 * 영업일 등 상세 필드를 응답에 함께 실어 반환한다.
 */
#include <stdio.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_0001, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16];
    char h_card_no[20];
    char h_biz_date[9];
    long h_fee;
    EXEC SQL END DECLARE SECTION;

    vl_rec_t rec;
    char key[16];
    int  rc;

    tx_log(TX_LOG_INFO, "[VL_OL_0001] 정합성 단건조회 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0001] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    memset(&rec, 0, sizeof(rec));
    rc = vl_rec_select(key, &rec);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[VL_OL_0001] 조회 실패 key=%s rc=%d(%s)",
               key, rc, tx_strerror(rc));
        tx_return(ctx, rc, ctx->out);
        return;
    }

    /* 원장 상세 필드 임베디드 조회 (수수료/카드번호/영업일) */
    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    memset(h_card_no, 0, sizeof(h_card_no));
    memset(h_biz_date, 0, sizeof(h_biz_date));
    h_fee = 0;

    EXEC SQL SELECT card_no, biz_date, fee
        INTO :h_card_no, :h_biz_date, :h_fee
        FROM vl_ledger
        WHERE key = :h_key;

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT vl_ledger");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", rec.key);
    tx_buf_sets(ctx->out, "MERCHID", rec.merch_id);
    tx_buf_setlong(ctx->out, "AMOUNT", rec.amount);
    tx_buf_setlong(ctx->out, "FEE", h_fee);
    tx_buf_sets(ctx->out, "CARDNO", h_card_no);
    tx_buf_sets(ctx->out, "BIZDATE", h_biz_date);
    tx_buf_sets(ctx->out, "STATUS", rec.status);
    tx_log(TX_LOG_INFO, "[VL_OL_0001] 조회완료 key=%s amount=%ld fee=%ld",
           key, rec.amount, h_fee);
    tx_return(ctx, TX_OK, ctx->out);
}
