/* 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_0013.pgc"
/* @tier medium @module vl @transform validation-batch */
/*
 * vl_bt_0013.pgc - 이상금액 탐지 배치 (VL_BT_0013)  [tier=medium]
 *
 * 지정 영업일 원장(vl_ledger) 을 가맹점 평균거래액(vl_merch_avg) 과
 * 조인하여, 거래금액이 가맹점 평균의 임계배수(THRESHOLD) 를 초과하는
 * 이상거래를 커서로 탐지한다. 의심건은 의심거래 테이블(vl_suspect) 에
 * INSERT 하고 집계한다(상태전이 없음, FDS 후속검토용). main 포함.
 *
 * 실행:  vl_bt_0013 <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 21 "app/batch/vl_bt_0013.pgc"


#define VL_BT_0013_THRESHOLD  5L   /* 평균 대비 임계배수 */

static int run_vl_bt_0013(const char *biz_date)
{
    /* exec sql begin declare section */
     
     
     
     
     
     
    
#line 28 "app/batch/vl_bt_0013.pgc"
 char h_biz_date [ 9 ] ;
 
#line 29 "app/batch/vl_bt_0013.pgc"
 char h_key [ 16 ] ;
 
#line 30 "app/batch/vl_bt_0013.pgc"
 char h_merch_id [ 16 ] ;
 
#line 31 "app/batch/vl_bt_0013.pgc"
 long h_amount ;
 
#line 32 "app/batch/vl_bt_0013.pgc"
 long h_avg_amount ;
 
#line 33 "app/batch/vl_bt_0013.pgc"
 long h_ratio ;
/* exec sql end declare section */
#line 34 "app/batch/vl_bt_0013.pgc"


    long total = 0, suspect = 0, inserted = 0, errcnt = 0;
    long suspect_sum = 0;
    int  rc;

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

    ECPGset_var( 0, ( h_biz_date ), __LINE__);\
 /* declare cur_vl_bt_0013 cursor for select l . key , l . merch_id , l . amount , a . avg_amount from vl_ledger l join vl_merch_avg a on a . merch_id = l . merch_id where l . biz_date = $1  and l . status = 'R' and a . avg_amount > 0 order by l . key */
#line 50 "app/batch/vl_bt_0013.pgc"

#line 50 "app/batch/vl_bt_0013.pgc"


    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare cur_vl_bt_0013 cursor for select l . key , l . merch_id , l . amount , a . avg_amount from vl_ledger l join vl_merch_avg a on a . merch_id = l . merch_id where l . biz_date = $1  and l . status = 'R' and a . avg_amount > 0 order by l . key", 
	ECPGt_char,(h_biz_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 52 "app/batch/vl_bt_0013.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_vl_bt_0013");
        return TX_EDB;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[vl_bt_0013] tx_begin 경고");

    for (;;) {
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch cur_vl_bt_0013", ECPGt_EOIT, 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*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_long,&(h_avg_amount),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 63 "app/batch/vl_bt_0013.pgc"


        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_vl_bt_0013");
            errcnt++;
            break;
        }

        total++;

        /* 임계 판정: 거래금액이 평균의 THRESHOLD 배 초과이면 이상거래 */
        if (h_amount <= h_avg_amount * VL_BT_0013_THRESHOLD)
            continue;

        suspect++;
        suspect_sum += h_amount;
        h_ratio = h_amount / h_avg_amount;   /* 평균 대비 배수(정수) */

        tx_log(TX_LOG_WARN,
               "[vl_bt_0013] 이상금액 key=%s merch=%s 금액=%ld 평균=%ld 배수=%ld",
               h_key, h_merch_id, h_amount, h_avg_amount, h_ratio);

        /* 의심거래 등록 (FDS 후속검토 대상) */
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into vl_suspect ( susp_key , merch_id , amount , avg_amount , ratio , biz_date , susp_reason ) values ( $1  , $2  , $3  , $4  , $5  , $6  , 'AMOUNT_OUTLIER' )", 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*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_long,&(h_avg_amount),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_ratio),(long)1,(long)1,sizeof(long), 
	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 92 "app/batch/vl_bt_0013.pgc"


        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("INSERT vl_suspect");
            errcnt++;
        } else {
            inserted++;
        }
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "close cur_vl_bt_0013", ECPGt_EOIT, ECPGt_EORT);}
#line 102 "app/batch/vl_bt_0013.pgc"


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

    tx_log(TX_LOG_INFO,
           "[vl_bt_0013] 요약 date=%s 대상=%ld 의심=%ld 등록=%ld 오류=%ld",
           biz_date, total, suspect, inserted, errcnt);

    printf("========== 이상금액 탐지 배치 [vl_bt_0013] ==========\n");
    printf("  영업일        : %s\n", biz_date);
    printf("  임계배수      : %ld\n", VL_BT_0013_THRESHOLD);
    printf("  검사 건수     : %ld\n", total);
    printf("  의심 건수     : %ld\n", suspect);
    printf("  의심금액 합계 : %ld\n", suspect_sum);
    printf("  vl_suspect 등록: %ld\n", inserted);
    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_0013] 배치 시작 date=%s", biz_date);

    rc = vl_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[vl_bt_0013] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_vl_bt_0013(biz_date);

    vl_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[vl_bt_0013] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
