/* @tier medium @module au @transform authorization-online */
/*
 * au_ol_0029.pgc - 승인율 조회(기간 성공/전체 비율) (AU_OL_0029)  [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_0029, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_from[9], h_to[9];
    int  h_ok, h_all;
    EXEC SQL END DECLARE SECTION;

    char from[16], to[16];
    int  rate = 0;

    tx_log(TX_LOG_INFO, "[AU_OL_0029] 승인율 조회 진입");
    if (tx_buf_get(ctx->in, "FROMDATE", from, sizeof(from)) != TX_OK)
        date_today(from);
    if (tx_buf_get(ctx->in, "TODATE", to, sizeof(to)) != TX_OK)
        date_today(to);

    strncpy(h_from, from, 8); h_from[8] = '\0';
    strncpy(h_to, to, 8);     h_to[8] = '\0';

    EXEC SQL SELECT count(*) FILTER (WHERE status IN ('M','S')), count(*)
        INTO :h_ok, :h_all
        FROM au_ledger
        WHERE biz_date BETWEEN :h_from AND :h_to;
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("au_ol_0029 승인율");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    if (h_all > 0) rate = h_ok * 10000 / h_all;   /* 0.01% 단위 */

    tx_buf_reset(ctx->out);
    tx_buf_setlong(ctx->out, "OKCNT", h_ok);
    tx_buf_setlong(ctx->out, "ALLCNT", h_all);
    tx_buf_setlong(ctx->out, "RATEBP", rate);
    tx_log(TX_LOG_INFO, "[AU_OL_0029] 승인율 %d/%d = %d.%02d%%",
           h_ok, h_all, rate / 100, rate % 100);
    tx_return(ctx, TX_OK, ctx->out);
}
