/* 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_0012.pgc"
/* @tier easy @module vl @transform validation-online */
/*
 * vl_ol_0012.pgc - 가맹점 한도 정합 검증 서비스 (VL_OL_0012)
 *
 * 가맹점 일한도(vl_limit) 를 조회하고, 당일 원장(vl_ledger) 누적금액을 합산한
 * 뒤 신규 요청금액을 더해 한도 초과 여부를 판정한다. 초과 시 불일치(VL12xx).
 */
#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 17 "app/online/vl_ol_0012.pgc"


TX_SERVICE(VL_OL_0012, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
    
#line 22 "app/online/vl_ol_0012.pgc"
 char h_merch [ 16 ] ;
 
#line 23 "app/online/vl_ol_0012.pgc"
 char h_bizdate [ 9 ] ;
 
#line 24 "app/online/vl_ol_0012.pgc"
 long h_daily_limit ;
 
#line 25 "app/online/vl_ol_0012.pgc"
 long h_used_amt ;
/* exec sql end declare section */
#line 26 "app/online/vl_ol_0012.pgc"


    char merch[16], bizdate[16];
    long amount = 0, projected;

    tx_log(TX_LOG_INFO, "[VL_OL_0012] 한도 정합 검증 서비스 진입");

    if (tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK ||
        tx_buf_get(ctx->in, "BIZDATE", bizdate, sizeof(bizdate)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0012] 필수 필드 누락(MERCHID/BIZDATE)");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1200");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);
    if (!date_is_valid(bizdate) || amount < 0) {
        tx_log(TX_LOG_WARN, "[VL_OL_0012] 입력값 오류 date=%s amt=%ld", bizdate, amount);
        tx_buf_sets(ctx->out, "ERRCODE", "VL1201");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_merch, merch, sizeof(h_merch) - 1);   h_merch[sizeof(h_merch) - 1] = '\0';
    strncpy(h_bizdate, bizdate, sizeof(h_bizdate) - 1);
    h_bizdate[sizeof(h_bizdate) - 1] = '\0';
    h_daily_limit = 0;
    h_used_amt = 0;

    /* 1) 가맹점 일한도 조회 */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select daily_limit from vl_limit 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_daily_limit),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 58 "app/online/vl_ol_0012.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[VL_OL_0012] 한도 미설정 merch=%s", merch);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1202");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT vl_limit");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1209");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 2) 당일 누적금액 합산 */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select coalesce ( SUM ( amount ) , 0 ) from vl_ledger where merch_id = $1  and txn_date = $2 ", 
	ECPGt_char,(h_merch),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_bizdate),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_used_amt),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 79 "app/online/vl_ol_0012.pgc"


    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT SUM vl_ledger");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1219");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 3) 한도 판정 */
    projected = h_used_amt + amount;

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "MERCHID", merch);
    tx_buf_setlong(ctx->out, "DAILYLIMIT", h_daily_limit);
    tx_buf_setlong(ctx->out, "USEDAMT", h_used_amt);
    tx_buf_setlong(ctx->out, "REQAMT", amount);
    tx_buf_setlong(ctx->out, "PROJECTED", projected);

    if (projected > h_daily_limit) {
        tx_log(TX_LOG_WARN, "[VL_OL_0012] 한도 초과 merch=%s proj=%ld limit=%ld",
               merch, projected, h_daily_limit);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1203");
        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_0012] 한도 이내 merch=%s proj=%ld limit=%ld",
           merch, projected, h_daily_limit);
    tx_return(ctx, TX_OK, ctx->out);
}
