/* 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_0017.pgc"
/* @tier easy @module vl @transform validation-online */
/*
 * vl_ol_0017.pgc - 참조무결성 검증 서비스 (VL_OL_0017)
 *
 * 원장(vl_rec_select) 의 가맹점ID 가 가맹점 마스터(mm_merchant) 에, 입력 카드사코드
 * 가 발급사 마스터(vl_issuer) 에 각각 존재하는지 두 건의 참조를 검증한다. 어느 한쪽
 * 이라도 부모행이 없으면 참조무결성 위반(VL17xx) 으로 판정한다.
 */
#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_0017.pgc"


TX_SERVICE(VL_OL_0017, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
    
#line 23 "app/online/vl_ol_0017.pgc"
 char h_merch [ 16 ] ;
 
#line 24 "app/online/vl_ol_0017.pgc"
 char h_issuer [ 8 ] ;
 
#line 25 "app/online/vl_ol_0017.pgc"
 long h_merch_cnt ;
 
#line 26 "app/online/vl_ol_0017.pgc"
 long h_issuer_cnt ;
/* exec sql end declare section */
#line 27 "app/online/vl_ol_0017.pgc"


    vl_rec_t rec;
    char key[16], issuer[8];
    int  rc;

    tx_log(TX_LOG_INFO, "[VL_OL_0017] 참조무결성 검증 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK ||
        tx_buf_get(ctx->in, "ISSUER", issuer, sizeof(issuer)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0017] 필수 필드 누락(KEY/ISSUER)");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1700");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 1) 원장에서 가맹점ID 확보 */
    memset(&rec, 0, sizeof(rec));
    rc = vl_rec_select(key, &rec);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[VL_OL_0017] 원장 조회 실패 key=%s rc=%d", key, rc);
        tx_buf_sets(ctx->out, "ERRCODE", "VL1701");
        tx_return(ctx, rc, ctx->out);
        return;
    }

    strncpy(h_merch, rec.merch_id, sizeof(h_merch) - 1);
    h_merch[sizeof(h_merch) - 1] = '\0';
    strncpy(h_issuer, issuer, sizeof(h_issuer) - 1);
    h_issuer[sizeof(h_issuer) - 1] = '\0';
    h_merch_cnt = 0;
    h_issuer_cnt = 0;

    /* 2) 가맹점 참조 확인 */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select count ( * ) from mm_merchant 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_merch_cnt),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 64 "app/online/vl_ol_0017.pgc"


    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT COUNT mm_merchant");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1709");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 3) 발급사(카드사코드) 참조 확인 */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select count ( * ) from vl_issuer where issuer_code = $1 ", 
	ECPGt_char,(h_issuer),(long)8,(long)1,(8)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_issuer_cnt),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 77 "app/online/vl_ol_0017.pgc"


    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT COUNT vl_issuer");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1719");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 4) 무결성 판정 */
    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "MERCHID", rec.merch_id);
    tx_buf_sets(ctx->out, "ISSUER", issuer);
    tx_buf_setlong(ctx->out, "MERCHREF", h_merch_cnt);
    tx_buf_setlong(ctx->out, "ISSUERREF", h_issuer_cnt);

    if (h_merch_cnt < 1) {
        tx_log(TX_LOG_WARN, "[VL_OL_0017] 가맹점 참조 위반 merch=%s", rec.merch_id);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1703");
        tx_return(ctx, TX_OK, ctx->out);
        return;
    }
    if (h_issuer_cnt < 1) {
        tx_log(TX_LOG_WARN, "[VL_OL_0017] 발급사 참조 위반 issuer=%s", issuer);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL1704");
        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_0017] 참조무결성 정상 merch=%s issuer=%s",
           rec.merch_id, issuer);
    tx_return(ctx, TX_OK, ctx->out);
}
