/* 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_0006.pgc"
/* @tier medium @module mg @transform msg-gateway-batch */
/*
 * mg_bt_0006.pgc - 오류전문 원인분석 리포트 배치  [tier=medium]
 *
 * 지정 영업일의 실패(U) 전문을 커서로 순회하며 오류코드(err_cd)를
 * 코드 대역별로 분류(형식/한도/통신/기타)하여 원인별 건수를 집계한다.
 * 최다 발생 원인을 판정하여 리포트한다. (커서 순회, 상태변경 없음)
 *
 * 실행:  mg_bt_0006 <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_0006.pgc"


#define MG_CAUSE_FORMAT 0   /* 형식오류  */
#define MG_CAUSE_LIMIT  1   /* 한도초과  */
#define MG_CAUSE_COMM   2   /* 통신오류  */
#define MG_CAUSE_ETC    3   /* 기타      */
#define MG_CAUSE_N      4

/* 오류코드 대역으로 원인 카테고리 분류 */
static int mg_classify_err(long err_cd)
{
    if (err_cd >= 100 && err_cd < 200)
        return MG_CAUSE_FORMAT;
    if (err_cd >= 200 && err_cd < 300)
        return MG_CAUSE_LIMIT;
    if (err_cd >= 300 && err_cd < 400)
        return MG_CAUSE_COMM;
    return MG_CAUSE_ETC;
}

static int run_mg_bt_0006(const char *biz_date)
{
    /* exec sql begin declare section */
     
     
     
    
#line 43 "app/batch/mg_bt_0006.pgc"
 char h_biz_date [ 9 ] ;
 
#line 44 "app/batch/mg_bt_0006.pgc"
 char h_key [ 16 ] ;
 
#line 45 "app/batch/mg_bt_0006.pgc"
 long h_err_cd ;
/* exec sql end declare section */
#line 46 "app/batch/mg_bt_0006.pgc"


    static const char *cause_name[MG_CAUSE_N] = {
        "형식오류", "한도초과", "통신오류", "기타"
    };
    long bucket[MG_CAUSE_N] = {0, 0, 0, 0};
    long total = 0, errcnt = 0;
    int  cat, top, i;

    memset(h_biz_date, 0, sizeof(h_biz_date));
    strncpy(h_biz_date, biz_date, sizeof(h_biz_date) - 1);

    ECPGset_var( 0, ( h_biz_date ), __LINE__);\
 /* declare cur_mg_bt_0006 cursor for select key , coalesce ( err_cd , 0 ) from mg_ledger where biz_date = $1  and status = 'U' order by key */
#line 63 "app/batch/mg_bt_0006.pgc"

#line 63 "app/batch/mg_bt_0006.pgc"


    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare cur_mg_bt_0006 cursor for select key , coalesce ( err_cd , 0 ) from mg_ledger where biz_date = $1  and status = 'U' order by 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 65 "app/batch/mg_bt_0006.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_mg_bt_0006");
        return TX_EDB;
    }

    for (;;) {
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch cur_mg_bt_0006", ECPGt_EOIT, 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_err_cd),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 72 "app/batch/mg_bt_0006.pgc"


        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_mg_bt_0006");
            errcnt++;
            break;
        }

        total++;
        cat = mg_classify_err(h_err_cd);
        bucket[cat]++;
        tx_log(TX_LOG_DEBUG, "[mg_bt_0006] key=%s errcd=%ld cause=%s",
               h_key, h_err_cd, cause_name[cat]);
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "close cur_mg_bt_0006", ECPGt_EOIT, ECPGt_EORT);}
#line 89 "app/batch/mg_bt_0006.pgc"


    top = 0;
    for (i = 1; i < MG_CAUSE_N; i++) {
        if (bucket[i] > bucket[top])
            top = i;
    }

    tx_log(TX_LOG_INFO, "[mg_bt_0006] 오류분석 date=%s 실패=%ld 최다원인=%s",
           biz_date, total, cause_name[top]);

    printf("========== 오류전문 원인분석 [mg_bt_0006] ==========\n");
    printf("  영업일      : %s\n", biz_date);
    printf("  실패 전문   : %ld\n", total);
    for (i = 0; i < MG_CAUSE_N; i++)
        printf("  %-10s: %ld\n", cause_name[i], bucket[i]);
    printf("  최다 원인   : %s (%ld건)\n", cause_name[top], bucket[top]);
    printf("  조회 오류   : %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, "[mg_bt_0006] 원인분석 시작 date=%s", biz_date);

    rc = mg_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[mg_bt_0006] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_mg_bt_0006(biz_date);

    mg_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[mg_bt_0006] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
