/* 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/lg_ol_0003.pgc"
/* @tier easy @module lg @transform ledger-online */
/*
 * lg_ol_0003.pgc - 원장 온라인 서비스 (LG_OL_0003)  [tier=easy]
 *
 * 승인원장 정리: 특정 가맹점(MERCHID)의 승인 접수건(status='R')을
 * 일괄 확정(status='M') 처리하고 upd_ts 를 갱신한다. 마감 전에 접수
 * 상태로 남아 있는 승인건을 확정 상태로 끌어올리는 정리성 서비스로,
 * 반영된 건수(AFFECTED)를 응답으로 돌려준다.
 *
 * TxCore TX_SERVICE 엔트리. 요청 TXBUF 를 검증하고 lg_ledger 에
 * 직접 임베디드 SQL(UPDATE) 을 수행한 뒤 응답 TXBUF 를 구성한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "lg_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/online/lg_ol_0003.pgc"


TX_SERVICE(LG_OL_0003, ctx)
{
    /* exec sql begin declare section */
     
     
     
      
    
#line 26 "app/online/lg_ol_0003.pgc"
 char h_merch_id [ 16 ] ;
 
#line 27 "app/online/lg_ol_0003.pgc"
 char h_st_recv [ 2 ] ;
 
#line 28 "app/online/lg_ol_0003.pgc"
 char h_st_done [ 2 ] ;
 
#line 29 "app/online/lg_ol_0003.pgc"
 int h_pending ;
/* exec sql end declare section */
#line 30 "app/online/lg_ol_0003.pgc"


    char merch[16];
    long affected = 0;

    tx_log(TX_LOG_INFO, "[LG_OL_0003] 승인원장 정리 서비스 진입");

    /* ---- 1. 요청 필드 수신 및 검증 ---- */
    if (tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK ||
        merch[0] == '\0') {
        tx_log(TX_LOG_ERROR, "[LG_OL_0003] MERCHID 누락");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_merch_id, merch, sizeof(h_merch_id) - 1);
    h_merch_id[sizeof(h_merch_id) - 1] = '\0';
    strncpy(h_st_recv, LG_ST_RECV, sizeof(h_st_recv) - 1);
    h_st_recv[sizeof(h_st_recv) - 1] = '\0';
    strncpy(h_st_done, LG_ST_DONE, sizeof(h_st_done) - 1);
    h_st_done[sizeof(h_st_done) - 1] = '\0';

    /* ---- 2. 정리 대상(접수 상태) 건수 사전 확인 ---- */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select count ( * ) from lg_ledger where merch_id = $1  and status = $2 ", 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_st_recv),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_int,&(h_pending),(long)1,(long)1,sizeof(int), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 59 "app/online/lg_ol_0003.pgc"


    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("LG_OL_0003 count");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_log(TX_LOG_INFO, "[LG_OL_0003] 가맹점 %s 접수(R) 대상 %d 건",
           merch, h_pending);

    if (h_pending == 0) {
        /* 정리할 접수건이 없음 - 정상(0건) 처리 응답 */
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
        tx_buf_sets(ctx->out, "MERCHID", merch);
        tx_buf_setlong(ctx->out, "AFFECTED", 0);
        tx_log(TX_LOG_INFO, "[LG_OL_0003] 정리 대상 없음 merch=%s", merch);
        tx_return(ctx, TX_OK, ctx->out);
        return;
    }

    /* ---- 3. 트랜잭션 시작 → 접수(R) 건 확정(M) 일괄 전이 ---- */
    if (tx_begin() != TX_OK) {
        tx_log(TX_LOG_ERROR, "[LG_OL_0003] 트랜잭션 시작 실패");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update lg_ledger set status = $1  , upd_ts = now ( ) where merch_id = $2  and status = $3 ", 
	ECPGt_char,(h_st_done),(long)2,(long)1,(2)*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_char,(h_st_recv),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 95 "app/online/lg_ol_0003.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("LG_OL_0003 update");
        tx_abort();
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    affected = (long)sqlca.sqlerrd[2];

    if (tx_commit() != TX_OK) {
        tx_log(TX_LOG_ERROR, "[LG_OL_0003] 커밋 실패 merch=%s", merch);
        tx_abort();
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    /* ---- 4. 응답 구성 ---- */
    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "MERCHID", merch);
    tx_buf_setlong(ctx->out, "AFFECTED", affected);
    tx_buf_sets(ctx->out, "STATUS", LG_ST_DONE);

    tx_log(TX_LOG_INFO, "[LG_OL_0003] 승인원장 정리 완료 merch=%s 확정=%ld 건",
           merch, affected);
    tx_return(ctx, TX_OK, ctx->out);
}
