/* 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/batch/vl_bt_0003.pgc"
/* @tier easy @module vl @transform validation-batch */
/*
 * vl_bt_0003.pgc - 중복거래 배치검출 (VL_BT_0003)  [tier=easy]
 *
 * 지정 영업일 원장(vl_ledger) 에서 (카드번호, 금액, 거래일) 이 동일한
 * 중복 그룹을 커서로 순회한다. 중복 그룹에 속한 건은 불일치('U') 로
 * 전이하고, 중복 그룹 수와 중복 건수를 집계한다. 배치 main 엔트리 포함.
 *
 * 실행:  vl_bt_0003 <YYYYMMDD> [db@host]
 */
#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 20 "app/batch/vl_bt_0003.pgc"


static int run_vl_bt_0003(const char *biz_date)
{
    /* exec sql begin declare section */
     
     
     
     
     
     
    
#line 25 "app/batch/vl_bt_0003.pgc"
 char h_biz_date [ 9 ] ;
 
#line 26 "app/batch/vl_bt_0003.pgc"
 char h_key [ 16 ] ;
 
#line 27 "app/batch/vl_bt_0003.pgc"
 char h_card_no [ 20 ] ;
 
#line 28 "app/batch/vl_bt_0003.pgc"
 long h_amount ;
 
#line 29 "app/batch/vl_bt_0003.pgc"
 char h_txn_date [ 9 ] ;
 
#line 30 "app/batch/vl_bt_0003.pgc"
 long h_dup_cnt ;
/* exec sql end declare section */
#line 31 "app/batch/vl_bt_0003.pgc"


    long total = 0, dup_rows = 0, groups = 0, errcnt = 0;
    char cur_sig[64], prev_sig[64];
    int  rc;

    strncpy(h_biz_date, biz_date, sizeof(h_biz_date) - 1);
    h_biz_date[sizeof(h_biz_date) - 1] = '\0';
    prev_sig[0] = '\0';

    /* (카드번호,금액,거래일) 그룹 중 2건 이상인 중복 그룹만 조인 */
    ECPGset_var( 0, ( h_biz_date ), __LINE__);\
 ECPGset_var( 1, ( h_biz_date ), __LINE__);\
 /* declare cur_vl_bt_0003 cursor for select l . key , l . card_no , l . amount , l . txn_date , g . cnt from vl_ledger l join ( select card_no , amount , txn_date , count ( * ) as cnt from vl_ledger where biz_date = $1  and status = 'R' group by card_no , amount , txn_date having count ( * ) > 1 ) g on g . card_no = l . card_no and g . amount = l . amount and g . txn_date = l . txn_date where l . biz_date = $2  and l . status = 'R' order by l . card_no , l . amount , l . txn_date , l . key */
#line 56 "app/batch/vl_bt_0003.pgc"

#line 56 "app/batch/vl_bt_0003.pgc"


    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare cur_vl_bt_0003 cursor for select l . key , l . card_no , l . amount , l . txn_date , g . cnt from vl_ledger l join ( select card_no , amount , txn_date , count ( * ) as cnt from vl_ledger where biz_date = $1  and status = 'R' group by card_no , amount , txn_date having count ( * ) > 1 ) g on g . card_no = l . card_no and g . amount = l . amount and g . txn_date = l . txn_date where l . biz_date = $2  and l . status = 'R' order by l . card_no , l . amount , l . txn_date , l . key", 
	ECPGt_char,(h_biz_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_biz_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 58 "app/batch/vl_bt_0003.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_vl_bt_0003");
        return TX_EDB;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[vl_bt_0003] tx_begin 경고");

    for (;;) {
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch cur_vl_bt_0003", ECPGt_EOIT, 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_card_no),(long)20,(long)1,(20)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_amount),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_txn_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_dup_cnt),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 69 "app/batch/vl_bt_0003.pgc"


        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_vl_bt_0003");
            errcnt++;
            break;
        }

        total++;
        dup_rows++;

        /* 그룹 경계 판별: 서명이 바뀌면 새 중복 그룹 */
        snprintf(cur_sig, sizeof(cur_sig), "%s|%ld|%s",
                 h_card_no, h_amount, h_txn_date);
        if (strcmp(cur_sig, prev_sig) != 0) {
            groups++;
            strncpy(prev_sig, cur_sig, sizeof(prev_sig) - 1);
            prev_sig[sizeof(prev_sig) - 1] = '\0';
        }

        /* 중복건은 불일치('U') 로 전이하여 후속 정산에서 제외 */
        rc = vl_rec_update_status(h_key, VL_ST_FAIL);
        if (rc != TX_OK) {
            tx_log(TX_LOG_ERROR, "[vl_bt_0003] 상태전이 실패 key=%s rc=%d", h_key, rc);
            errcnt++;
        } else {
            tx_log(TX_LOG_DEBUG, "[vl_bt_0003] 중복 key=%s card=%s cnt=%ld",
                   h_key, h_card_no, h_dup_cnt);
        }
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "close cur_vl_bt_0003", ECPGt_EOIT, ECPGt_EORT);}
#line 102 "app/batch/vl_bt_0003.pgc"


    if (errcnt == 0)
        tx_commit();
    else
        tx_abort();

    tx_log(TX_LOG_INFO,
           "[vl_bt_0003] 요약 date=%s 중복건=%ld 그룹=%ld 오류=%ld",
           biz_date, dup_rows, groups, errcnt);

    printf("========== 중복거래 배치검출 [vl_bt_0003] ==========\n");
    printf("  영업일        : %s\n", biz_date);
    printf("  중복 건수     : %ld\n", dup_rows);
    printf("  중복 그룹 수  : %ld\n", groups);
    printf("  U 전이 건수   : %ld\n", dup_rows - errcnt);
    printf("  오류 건수     : %ld\n", errcnt);
    printf("===================================================\n");

    return (errcnt == 0) ? TX_OK : TX_FAIL;
}

int main(int argc, char **argv)
{
    const char *biz_date;
    const char *target;
    int rc;

    tx_set_loglevel(TX_LOG_INFO);

    if (argc < 2) {
        fprintf(stderr, "사용법: %s <YYYYMMDD> [db@host]\n", argv[0]);
        return 2;
    }
    biz_date = argv[1];
    target   = (argc >= 3) ? argv[2] : NULL;

    if (!date_is_valid(biz_date)) {
        fprintf(stderr, "오류: 유효하지 않은 영업일 '%s'\n", biz_date);
        return 2;
    }

    tx_log(TX_LOG_INFO, "[vl_bt_0003] 배치 시작 date=%s", biz_date);

    rc = vl_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[vl_bt_0003] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_vl_bt_0003(biz_date);

    vl_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[vl_bt_0003] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
