/* 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/vl_ol_0013.pgc"
/* @tier medium @module vl @transform validation-online */
/*
 * vl_ol_0013.pgc - 수수료 정합 검증 서비스 (VL_OL_0013)
 *
 * 원장(vl_rec_select) 의 거래금액/수수료를 확보하고, 가맹점 수수료율 테이블
 * (vl_fee_rate, 만분율 bps) 을 조회하여 기대수수료(금액*요율/10000) 를 계산한다.
 * 원장 수수료와 기대수수료가 다르면 불일치(VL13xx).
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "vl_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 18 "app/online/vl_ol_0013.pgc"


TX_SERVICE(VL_OL_0013, ctx)
{
    /* exec sql begin declare section */
     
     
    
#line 23 "app/online/vl_ol_0013.pgc"
 char h_merch [ 16 ] ;
 
#line 24 "app/online/vl_ol_0013.pgc"
 long h_fee_rate ;
/* exec sql end declare section */
#line 25 "app/online/vl_ol_0013.pgc"


    vl_rec_t rec;
    char key[16];
    long expected_fee, fee_diff;
    int  rc;

    tx_log(TX_LOG_INFO, "[VL_OL_0013] 수수료 정합 검증 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0013] KEY 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1300");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 1) 원장 금액/수수료 확보 */
    memset(&rec, 0, sizeof(rec));
    rc = vl_rec_select(key, &rec);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[VL_OL_0013] 원장 조회 실패 key=%s rc=%d", key, rc);
        tx_buf_sets(ctx->out, "ERRCODE", "VL1301");
        tx_return(ctx, rc, ctx->out);
        return;
    }

    /* 2) 가맹점 수수료율(bps) 조회 */
    strncpy(h_merch, rec.merch_id, sizeof(h_merch) - 1);
    h_merch[sizeof(h_merch) - 1] = '\0';
    h_fee_rate = 0;

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select fee_rate_bps from vl_fee_rate where merch_id = $1 ", 
	ECPGt_char,(h_merch),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_fee_rate),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 60 "app/online/vl_ol_0013.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[VL_OL_0013] 수수료율 미설정 merch=%s", rec.merch_id);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1302");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT vl_fee_rate");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1309");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 3) 기대수수료 계산 및 판정 (만분율) */
    expected_fee = (rec.amount * h_fee_rate) / 10000;
    fee_diff = rec.fee - expected_fee;

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "MERCHID", rec.merch_id);
    tx_buf_setlong(ctx->out, "AMOUNT", rec.amount);
    tx_buf_setlong(ctx->out, "FEERATE", h_fee_rate);
    tx_buf_setlong(ctx->out, "LEDGERFEE", rec.fee);
    tx_buf_setlong(ctx->out, "EXPECTEDFEE", expected_fee);
    tx_buf_setlong(ctx->out, "FEEDIFF", fee_diff);

    if (fee_diff != 0) {
        tx_log(TX_LOG_WARN, "[VL_OL_0013] 수수료 불일치 key=%s ledger=%ld expected=%ld",
               key, rec.fee, expected_fee);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1303");
        tx_return(ctx, TX_OK, ctx->out);
        return;
    }

    tx_buf_sets(ctx->out, "RESULT", "MATCH");
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[VL_OL_0013] 수수료 정합 key=%s fee=%ld", key, rec.fee);
    tx_return(ctx, TX_OK, ctx->out);
}
