/* @tier medium @module au @transform authorization-online */
/*
 * au_ol_0017.pgc - 승인 금액집계(가맹점 당일 합계) (AU_OL_0017)  [tier=medium]
 *
 * 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_0017, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_merch[16], h_bdate[9];
    long h_sum, h_fee;
    int  h_cnt;
    EXEC SQL END DECLARE SECTION;

    char merch[16], bdate[16], won[32];

    tx_log(TX_LOG_INFO, "[AU_OL_0017] 승인 금액집계 진입");
    if (tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_get(ctx->in, "BIZDATE", bdate, sizeof(bdate)) != TX_OK)
        date_today(bdate);

    strncpy(h_merch, merch, 15); h_merch[15] = '\0';
    strncpy(h_bdate, bdate, 8);  h_bdate[8] = '\0';

    EXEC SQL SELECT count(*), coalesce(sum(amount), 0), coalesce(sum(fee), 0)
        INTO :h_cnt, :h_sum, :h_fee
        FROM au_ledger
        WHERE merch_id = :h_merch AND biz_date = :h_bdate
          AND status IN ('M', 'S');
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("au_ol_0017 집계");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    amount_format_won(h_sum, won, sizeof(won));
    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "MERCHID", merch);
    tx_buf_setlong(ctx->out, "CNT", h_cnt);
    tx_buf_setlong(ctx->out, "SUMAMT", h_sum);
    tx_buf_setlong(ctx->out, "SUMFEE", h_fee);
    tx_buf_sets(ctx->out, "SUMWON", won);
    tx_log(TX_LOG_INFO, "[AU_OL_0017] 집계 merch=%s cnt=%d sum=%ld", merch, h_cnt, h_sum);
    tx_return(ctx, TX_OK, ctx->out);
}
