/* Processed by ecpg (15.18 (Debian 15.18-0+deb12u1)) */
/* These include files are added by the preprocessor */
#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.h>
/* End of automatic include section */

#line 1 "app/online/st_ol_0017.pgc"
/* @tier easy @module st @transform settlement-online */
/*
 * st_ol_0017.pgc - 구간요율 수수료율 적용 (ST_OL_0017)  [tier=easy]
 *
 * 거래금액 구간(band)별 차등 수수료율(만분율)을 적용하여 수수료를
 * 산출한다. 소액/중액/고액 슬라브 요율 모델. 구간요율표(st_band_rate)
 * 를 조회하여 해당 금액이 속한 구간의 요율을 적용한다.
 */
#include <stdio.h>
#include <string.h>

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


#line 1 "/usr/include/postgresql/sqlca.h"
#ifndef POSTGRES_SQLCA_H
#define POSTGRES_SQLCA_H

#ifndef PGDLLIMPORT
#if  defined(WIN32) || defined(__CYGWIN__)
#define PGDLLIMPORT __declspec (dllimport)
#else
#define PGDLLIMPORT
#endif							/* __CYGWIN__ */
#endif							/* PGDLLIMPORT */

#define SQLERRMC_LEN	150

#ifdef __cplusplus
extern "C"
{
#endif

struct sqlca_t
{
	char		sqlcaid[8];
	long		sqlabc;
	long		sqlcode;
	struct
	{
		int			sqlerrml;
		char		sqlerrmc[SQLERRMC_LEN];
	}			sqlerrm;
	char		sqlerrp[8];
	long		sqlerrd[6];
	/* Element 0: empty						*/
	/* 1: OID of processed tuple if applicable			*/
	/* 2: number of rows processed				*/
	/* after an INSERT, UPDATE or				*/
	/* DELETE statement					*/
	/* 3: empty						*/
	/* 4: empty						*/
	/* 5: empty						*/
	char		sqlwarn[8];
	/* Element 0: set to 'W' if at least one other is 'W'	*/
	/* 1: if 'W' at least one character string		*/
	/* value was truncated when it was			*/
	/* stored into a host variable.             */

	/*
	 * 2: if 'W' a (hopefully) non-fatal notice occurred
	 */	/* 3: empty */
	/* 4: empty						*/
	/* 5: empty						*/
	/* 6: empty						*/
	/* 7: empty						*/

	char		sqlstate[5];
};

struct sqlca_t *ECPGget_sqlca(void);

#ifndef POSTGRES_ECPG_INTERNAL
#define sqlca (*ECPGget_sqlca())
#endif

#ifdef __cplusplus
}
#endif

#endif

#line 17 "app/online/st_ol_0017.pgc"



static long st_fee_round(long amount, long rate_bp)
{
    /* 요율(만분율, basis point) x 금액 -> 원단위 반올림 (BigDecimal HALF_UP 대응) */
    if (amount < 0)
        return -(((-amount) * rate_bp + 5000) / 10000);
    return (amount * rate_bp + 5000) / 10000;
}

TX_SERVICE(ST_OL_0017, ctx)
{
    /* exec sql begin declare section */
     
     
     
    
#line 31 "app/online/st_ol_0017.pgc"
 long h_amount ;
 
#line 32 "app/online/st_ol_0017.pgc"
 long h_bp ;
 
#line 33 "app/online/st_ol_0017.pgc"
 char h_band [ 8 ] ;
/* exec sql end declare section */
#line 34 "app/online/st_ol_0017.pgc"


    char merch[16];
    long amount = 0, bp, fee, net;
    char band[8] = "-";

    tx_log(TX_LOG_INFO, "[ST_OL_0017] 구간요율 적용 진입");

    if (tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);
    if (!amount_is_valid(amount)) {
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 구간요율표에서 금액이 속한 구간 요율 조회 */
    h_amount = amount;
    h_bp = 0;
    memset(h_band, 0, sizeof(h_band));
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select rate_bp , band_code from st_band_rate where $1  >= lo_amt and $2  < hi_amt", 
	ECPGt_long,&(h_amount),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_amount),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_bp),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_band),(long)8,(long)1,(8)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 62 "app/online/st_ol_0017.pgc"


    if (sqlca.sqlcode == TX_SQL_OK && h_bp > 0) {
        bp = h_bp;
        strncpy(band, h_band, sizeof(band) - 1);
        band[sizeof(band) - 1] = '\0';
    } else {
        if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND)
            TX_DBIO_LOG_ERR("SELECT st_band_rate");
        /* 미등록 구간 폴백: 내장 슬라브 요율 */
        if (amount < 50000L)       { bp = 250; strcpy(band, "LOW"); }
        else if (amount < 500000L) { bp = 180; strcpy(band, "MID"); }
        else                       { bp = 140; strcpy(band, "HIGH"); }
    }

    fee = st_fee_round(amount, bp);
    net = amount - fee;

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "MERCHID", merch);
    tx_buf_sets(ctx->out, "BAND", band);
    tx_buf_setlong(ctx->out, "AMOUNT", amount);
    tx_buf_setlong(ctx->out, "BPUSED", bp);
    tx_buf_setlong(ctx->out, "FEE", fee);
    tx_buf_setlong(ctx->out, "NET", net);
    tx_log(TX_LOG_INFO, "[ST_OL_0017] 구간요율 amount=%ld band=%s bp=%ld fee=%ld",
           amount, band, bp, fee);
    tx_return(ctx, TX_OK, ctx->out);
}
