/* 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/mg_bt_0017.pgc"
/* @tier medium @module mg @transform msg-gateway-batch */
/*
 * mg_bt_0017.pgc - 전문게이트웨이 전문 순번(STAN) 리셋 배치  [tier=medium]
 *
 * 일 마감 시 채널별 전문 순번(mg_seq) 테이블을 리셋한다. 현재 순번을
 * 조회·기록한 뒤 0 으로 초기화하고, 채번 상한 근접(90% 이상) 채널을
 * 경고한다. 배치 main 엔트리 포함.
 *
 * 실행:  mg_bt_0017 <YYYYMMDD> [db@host]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "mg_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/mg_bt_0017.pgc"


#define MG_STAN_MAX 999999L

static int run_mg_bt_0017(const char *biz_date)
{
    /* exec sql begin declare section */
     
     
    
#line 27 "app/batch/mg_bt_0017.pgc"
 char h_seq_key [ 16 ] ;
 
#line 28 "app/batch/mg_bt_0017.pgc"
 long h_cur_val ;
/* exec sql end declare section */
#line 29 "app/batch/mg_bt_0017.pgc"


    long total = 0, reset = 0, warned = 0;
    long peak = 0;

    (void)biz_date;

    /* declare cur_mg_bt_0017 cursor for select seq_key , coalesce ( cur_val , 0 ) from mg_seq order by seq_key for update */
#line 40 "app/batch/mg_bt_0017.pgc"


    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare cur_mg_bt_0017 cursor for select seq_key , coalesce ( cur_val , 0 ) from mg_seq order by seq_key for update", ECPGt_EOIT, ECPGt_EORT);}
#line 42 "app/batch/mg_bt_0017.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_mg_bt_0017");
        return TX_EDB;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[mg_bt_0017] tx_begin 경고");

    for (;;) {
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch cur_mg_bt_0017", ECPGt_EOIT, 
	ECPGt_char,(h_seq_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_cur_val),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 52 "app/batch/mg_bt_0017.pgc"


        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_mg_bt_0017");
            break;
        }

        total++;
        if (h_cur_val > peak)
            peak = h_cur_val;

        if (h_cur_val * 100 >= MG_STAN_MAX * 90) {
            warned++;
            tx_log(TX_LOG_WARN, "[mg_bt_0017] 채번 상한근접 key=%s val=%ld",
                   h_seq_key, h_cur_val);
        }

        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update mg_seq set cur_val = 0 , reset_ts = current_timestamp where seq_key = $1 ", 
	ECPGt_char,(h_seq_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 74 "app/batch/mg_bt_0017.pgc"


        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("UPDATE mg_seq");
            continue;
        }
        reset++;
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "close cur_mg_bt_0017", ECPGt_EOIT, ECPGt_EORT);}
#line 83 "app/batch/mg_bt_0017.pgc"

    tx_commit();

    tx_log(TX_LOG_INFO,
           "[mg_bt_0017] 순번리셋 대상=%ld 리셋=%ld 경고=%ld 최대순번=%ld",
           total, reset, warned, peak);

    printf("========== 전문 순번 리셋 [mg_bt_0017] ==========\n");
    printf("  채번키 수   : %ld\n", total);
    printf("  리셋 완료   : %ld\n", reset);
    printf("  상한근접    : %ld\n", warned);
    printf("  당일 최대   : %ld\n", peak);
    printf("=============================================\n");

    return TX_OK;
}

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, "[mg_bt_0017] 순번리셋 배치 시작 date=%s", biz_date);

    rc = mg_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[mg_bt_0017] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_mg_bt_0017(biz_date);

    mg_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[mg_bt_0017] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
