/* 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/au_ol_0003.pgc"
/* @tier medium @module au @transform authorization-online */
/*
 * au_ol_0003.pgc - 가맹점 한도 조회(잔여한도 산출) (AU_OL_0003)  [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"


#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 16 "app/online/au_ol_0003.pgc"


TX_SERVICE(AU_OL_0003, ctx)
{
    char key[16];
    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AU_OL_0003] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    /* exec sql begin declare section */
      
     
    
#line 27 "app/online/au_ol_0003.pgc"
 char h_merch [ 16 ] , h_bdate [ 9 ] ;
 
#line 28 "app/online/au_ol_0003.pgc"
 long h_used ;
/* exec sql end declare section */
#line 29 "app/online/au_ol_0003.pgc"


    char merch[16], bdate[16];
    long limit_amt = 50000000L, remain;

    tx_log(TX_LOG_INFO, "[AU_OL_0003] 가맹점 한도조회 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';

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select coalesce ( sum ( amount ) , 0 ) from au_ledger where merch_id = $1  and biz_date = $2  and status in ( 'R' , 'M' , 'S' )", 
	ECPGt_char,(h_merch),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_bdate),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_used),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 48 "app/online/au_ol_0003.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("au_ol_0003 한도조회");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    remain = limit_amt - h_used;
    if (remain < 0) remain = 0;

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "MERCHID", merch);
    tx_buf_setlong(ctx->out, "LIMIT", limit_amt);
    tx_buf_setlong(ctx->out, "USED", h_used);
    tx_buf_setlong(ctx->out, "REMAIN", remain);
    tx_log(TX_LOG_INFO, "[AU_OL_0003] 한도 used=%ld remain=%ld", h_used, remain);
    tx_return(ctx, TX_OK, ctx->out);
}