/* 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_0007.pgc"
/* @tier medium @module lg @transform ledger-online */
/*
 * lg_ol_0007.pgc - 원장 온라인 서비스 (LG_OL_0007)  [tier=medium]
 *
 * 대변(貸邊) 전표 생성: 요청 정보로 신규 원장 전표행을 생성한다.
 * 대변 전표는 금액을 양수(amount>0)로, 상태를 처리완료(status='M')
 * 로 기표하며, 수수료는 금액의 1%(amount/100)로 산정한다. 신규 키가
 * 이미 존재하면 중복으로 거부한다.
 *
 * TxCore TX_SERVICE 엔트리. 요청 TXBUF 를 검증하고 lg_ledger 에
 * 직접 임베디드 SQL(INSERT) 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_0007.pgc"


TX_SERVICE(LG_OL_0007, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
     
     
     
      
    
#line 26 "app/online/lg_ol_0007.pgc"
 char h_key [ 16 ] ;
 
#line 27 "app/online/lg_ol_0007.pgc"
 char h_merch_id [ 16 ] ;
 
#line 28 "app/online/lg_ol_0007.pgc"
 char h_card_no [ 20 ] ;
 
#line 29 "app/online/lg_ol_0007.pgc"
 long h_amount ;
 
#line 30 "app/online/lg_ol_0007.pgc"
 char h_biz_date [ 9 ] ;
 
#line 31 "app/online/lg_ol_0007.pgc"
 char h_status [ 2 ] ;
 
#line 32 "app/online/lg_ol_0007.pgc"
 long h_fee ;
 
#line 33 "app/online/lg_ol_0007.pgc"
 int h_dup ;
/* exec sql end declare section */
#line 34 "app/online/lg_ol_0007.pgc"


    char key[16], merch[16], bizdate[16], cardno[20];
    long amount = 0;

    tx_log(TX_LOG_INFO, "[LG_OL_0007] 대변 전표생성 서비스 진입");

    /* ---- 1. 요청 필드 수신 및 검증 ---- */
    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK ||
        tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK ||
        tx_buf_get(ctx->in, "BIZDATE", bizdate, sizeof(bizdate)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[LG_OL_0007] 필수 필드 누락");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_get(ctx->in, "CARDNO", cardno, sizeof(cardno)) != TX_OK)
        cardno[0] = '\0';
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);

    /* 대변 전표는 반드시 양수 금액 */
    if (!amount_is_valid(amount) || amount <= 0) {
        tx_log(TX_LOG_WARN, "[LG_OL_0007] 대변금액 오류 amount=%ld", amount);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (!date_is_valid(bizdate)) {
        tx_log(TX_LOG_WARN, "[LG_OL_0007] 영업일 오류 date=%s", bizdate);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';

    /* ---- 2. 신규 키 중복 확인 ---- */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select count ( * ) from lg_ledger where key = $1 ", 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_int,&(h_dup),(long)1,(long)1,sizeof(int), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 78 "app/online/lg_ol_0007.pgc"


    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("LG_OL_0007 dupchk");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    if (h_dup > 0) {
        tx_log(TX_LOG_WARN, "[LG_OL_0007] 전표키 중복 key=%s", key);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* ---- 3. 호스트 변수 채우기 (대변: amount>0, status='M') ---- */
    strncpy(h_merch_id, merch, sizeof(h_merch_id) - 1);
    h_merch_id[sizeof(h_merch_id) - 1] = '\0';
    strncpy(h_card_no, cardno, sizeof(h_card_no) - 1);
    h_card_no[sizeof(h_card_no) - 1] = '\0';
    strncpy(h_biz_date, bizdate, sizeof(h_biz_date) - 1);
    h_biz_date[sizeof(h_biz_date) - 1] = '\0';
    strncpy(h_status, LG_ST_DONE, sizeof(h_status) - 1);
    h_status[sizeof(h_status) - 1] = '\0';
    h_amount = amount;
    h_fee    = amount / 100;

    /* ---- 4. 트랜잭션 시작 → 대변 전표 INSERT ---- */
    if (tx_begin() != TX_OK) {
        tx_log(TX_LOG_ERROR, "[LG_OL_0007] 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, "insert into lg_ledger ( key , merch_id , card_no , amount , biz_date , status , fee , upd_ts ) values ( $1  , $2  , $3  , $4  , $5  , $6  , $7  , now ( ) )", 
	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_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_biz_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_status),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_fee),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 120 "app/online/lg_ol_0007.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("LG_OL_0007 insert");
        tx_abort();
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    if (tx_commit() != TX_OK) {
        tx_log(TX_LOG_ERROR, "[LG_OL_0007] 커밋 실패 key=%s", key);
        tx_abort();
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    /* ---- 5. 응답 구성 ---- */
    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "DRCR", "CR");            /* 대변 표시 */
    tx_buf_setlong(ctx->out, "AMOUNT", h_amount);
    tx_buf_setlong(ctx->out, "FEE", h_fee);
    tx_buf_sets(ctx->out, "STATUS", LG_ST_DONE);

    tx_log(TX_LOG_INFO, "[LG_OL_0007] 대변 전표생성 완료 key=%s 금액=%ld",
           key, h_amount);
    tx_return(ctx, TX_OK, ctx->out);
}
