/* @tier easy @module mm @transform master-online */
/*
 * mm_ol_0001.pgc - 마스터 온라인 서비스 (MM_OL_0001)  [tier=easy]
 *
 * TxCore TX_SERVICE 엔트리. 요청 TXBUF 를 검증하고 mm 표준 DBIO 를
 * 통해 처리한 뒤 응답 TXBUF 를 구성한다. (ATMI void SVC(TPSVCINFO*) 대응)
 * 단건 조회에 더해 mm_ledger 원장의 확장필드(카드번호/수수료/최종반영
 * 시각)를 직접 SELECT 하여 응답에 함께 실어 준다.
 */
#include <stdio.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(MM_OL_0001, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16];
    char h_card_no[24];
    long h_fee;
    char h_upd_ts[24];
    EXEC SQL END DECLARE SECTION;

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

    tx_log(TX_LOG_INFO, "[MM_OL_0001] 마스터 단건조회 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[MM_OL_0001] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    memset(&rec, 0, sizeof(rec));
    rc = mm_rec_select(key, &rec);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[MM_OL_0001] 조회 실패 key=%s rc=%d(%s)",
               key, rc, tx_strerror(rc));
        tx_return(ctx, rc, ctx->out);
        return;
    }

    /* 원장 확장필드 직접 조회 (카드번호/수수료/최종반영시각) */
    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    h_card_no[0] = '\0';
    h_upd_ts[0]  = '\0';
    h_fee        = 0;

    EXEC SQL SELECT card_no, fee, to_char(upd_ts, 'YYYYMMDDHH24MISS')
        INTO :h_card_no, :h_fee, :h_upd_ts
        FROM mm_ledger
        WHERE key = :h_key;

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[MM_OL_0001] 확장필드 원장 없음 key=%s", key);
    } else if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("MM_OL_0001 SELECT mm_ledger ext");
        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_sets(ctx->out, "STATUS", rec.status);
    tx_buf_sets(ctx->out, "CARDNO", h_card_no);
    tx_buf_setlong(ctx->out, "FEE", h_fee);
    tx_buf_sets(ctx->out, "UPDTS", h_upd_ts);
    tx_log(TX_LOG_INFO, "[MM_OL_0001] 조회완료 key=%s amount=%ld fee=%ld",
           key, rec.amount, h_fee);
    tx_return(ctx, TX_OK, ctx->out);
}
