/* 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/cm_ol_0022.pgc"
/* @tier easy @module cm @transform common-online */
/*
 * cm_ol_0022.pgc - 카드번호 마스킹 유틸 서비스 (CM_OL_0022)  [tier=easy]
 *
 * 요청의 카드번호(CARDNO)에서 숫자만 추출하여 앞 6자리/뒤 4자리만
 * 노출하고 가운데를 '*' 로 치환한 마스킹 결과와 자릿수를 응답한다.
 * 아울러 앞 6자리(BIN)로 카드 BIN 마스터(mm_card_bin)를 조회하여
 * 카드사코드/브랜드를 응답에 함께 실어 준다.
 * (ATMI void SVC(TPSVCINFO*) 대응)
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "cm_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 19 "app/online/cm_ol_0022.pgc"


/* 카드번호 문자열에서 숫자만 추출해 dst 로 복사, 유효 자릿수 반환 */
static int cm_digits_only(const char *src, char *dst, int dstlen)
{
    int i;
    int n = 0;

    for (i = 0; src[i] != '\0' && n < dstlen - 1; i++) {
        if (src[i] >= '0' && src[i] <= '9') {
            dst[n++] = src[i];
        }
    }
    dst[n] = '\0';
    return n;
}

TX_SERVICE(CM_OL_0022, ctx)
{
    /* exec sql begin declare section */
     
     
     
    
#line 39 "app/online/cm_ol_0022.pgc"
 char h_bin [ 7 ] ;
 
#line 40 "app/online/cm_ol_0022.pgc"
 char h_issuer_cd [ 8 ] ;
 
#line 41 "app/online/cm_ol_0022.pgc"
 char h_brand [ 16 ] ;
/* exec sql end declare section */
#line 42 "app/online/cm_ol_0022.pgc"


    char cardno[32];
    char digits[24];
    char masked[24];
    int  len;
    int  i;
    int  bin_found = 0;

    tx_log(TX_LOG_INFO, "[CM_OL_0022] 카드번호 마스킹 서비스 진입");

    if (tx_buf_get(ctx->in, "CARDNO", cardno, sizeof(cardno)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[CM_OL_0022] CARDNO 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    len = cm_digits_only(cardno, digits, sizeof(digits));
    if (len < 12 || len > 19) {
        tx_log(TX_LOG_WARN, "[CM_OL_0022] 카드번호 자릿수 오류 len=%d", len);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 앞 6자리와 뒤 4자리는 원본 유지, 그 사이는 '*' 로 치환 */
    for (i = 0; i < len; i++) {
        if (i < 6 || i >= len - 4) {
            masked[i] = digits[i];
        } else {
            masked[i] = '*';
        }
    }
    masked[len] = '\0';

    /* 앞 6자리 BIN 으로 카드사/브랜드 조회 */
    memcpy(h_bin, digits, 6);
    h_bin[6] = '\0';
    h_issuer_cd[0] = '\0';
    h_brand[0]     = '\0';

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select issuer_cd , brand_nm from mm_card_bin where bin = $1 ", 
	ECPGt_char,(h_bin),(long)7,(long)1,(7)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_char,(h_issuer_cd),(long)8,(long)1,(8)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_brand),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 85 "app/online/cm_ol_0022.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_INFO, "[CM_OL_0022] 미등록 BIN bin=%s", h_bin);
    } else if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("CM_OL_0022 SELECT mm_card_bin");
    } else {
        bin_found = 1;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "MASKED", masked);
    tx_buf_setlong(ctx->out, "DIGITS", (long)len);
    tx_buf_sets(ctx->out, "BIN", h_bin);
    tx_buf_sets(ctx->out, "ISSUER", h_issuer_cd);
    tx_buf_sets(ctx->out, "BRAND", h_brand);
    tx_buf_sets(ctx->out, "BINFOUND", bin_found ? "Y" : "N");
    tx_buf_sets(ctx->out, "RESULT", "OK");
    tx_log(TX_LOG_INFO, "[CM_OL_0022] 마스킹 완료 masked=%s len=%d issuer=%s",
           masked, len, h_issuer_cd);
    tx_return(ctx, TX_OK, ctx->out);
}