/* 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_0019.pgc"
/* @tier easy @module lg @transform ledger-online */
/*
 * lg_ol_0019.pgc - 원장 온라인 서비스 (LG_OL_0019)  [tier=easy]
 *
 * 정산확정 처리: 단건 key 의 처리완료(M) 전표를 정산완료(S) 로 확정한다.
 * 정산액 = 거래금액 - 수수료 를 계산하여 응답한다.
 */
#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 16 "app/online/lg_ol_0019.pgc"


/*
 * [업무 개요]
 *   처리완료(M) 상태의 승인 전표 한 건을 정산확정(S) 으로 전이한다. 정산
 *   확정 시점에 가맹점에 실제 지급되는 금액(정산액) 을 산출하여 반환한다.
 *
 * [상태 전이]
 *   M(처리완료) → S(정산완료)     그 외 상태는 정산확정 불가(RESP_INVALID)
 *
 * [정산액 산식]
 *   SETTLEAMT = amount - fee      (거래금액에서 수수료를 차감한 실지급액)
 *
 * [처리 절차]
 *   1) KEY 추출/검증.
 *   2) 단건 SELECT 로 amount, fee, 현재 status 확보.
 *   3) 상태가 M 이 아니면 거부.
 *   4) tx_begin 후 status='S' 로 UPDATE, tx_commit.
 *   5) 정산액 산출 후 응답.
 *
 * [응답 필드]
 *   RESPCODE  처리결과코드   KEY 처리키(에코)   AMOUNT 거래금액
 *   FEE       수수료         SETTLEAMT 정산액   STATUS 확정후 상태(S)
 */
TX_SERVICE(LG_OL_0019, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
     
    
#line 43 "app/online/lg_ol_0019.pgc"
 char h_key [ 16 ] ;
 
#line 44 "app/online/lg_ol_0019.pgc"
 char h_status_s [ 2 ] ;
 
#line 45 "app/online/lg_ol_0019.pgc"
 char h_cur_status [ 2 ] ;
 
#line 46 "app/online/lg_ol_0019.pgc"
 long h_amount ;
 
#line 47 "app/online/lg_ol_0019.pgc"
 long h_fee ;
/* exec sql end declare section */
#line 48 "app/online/lg_ol_0019.pgc"


    char key[16];
    long settle_amt;

    tx_log(TX_LOG_INFO, "[LG_OL_0019] 정산확정 처리 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK || key[0] == '\0') {
        tx_log(TX_LOG_ERROR, "[LG_OL_0019] KEY 누락");
        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';
    strncpy(h_status_s, LG_ST_SETTLED, sizeof(h_status_s) - 1);
    h_status_s[sizeof(h_status_s) - 1] = '\0';

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select amount , fee , status 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_long,&(h_amount),(long)1,(long)1,sizeof(long), 
	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_char,(h_cur_status),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 71 "app/online/lg_ol_0019.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[LG_OL_0019] 전표 없음 key=%s", key);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_NOMERCH);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("lg_ol_0019 select");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 처리완료(M) 상태만 정산확정 가능 */
    if (h_cur_status[0] != LG_ST_DONE[0]) {
        tx_log(TX_LOG_WARN, "[LG_OL_0019] 정산확정 불가 상태 key=%s status=%s",
               key, h_cur_status);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_buf_sets(ctx->out, "STATUS", h_cur_status);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    if (tx_begin() != TX_OK) {
        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 key = $2 ", 
	ECPGt_char,(h_status_s),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 106 "app/online/lg_ol_0019.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("lg_ol_0019 update");
        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_abort();
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    settle_amt = h_amount - h_fee;
    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_setlong(ctx->out, "AMOUNT", h_amount);
    tx_buf_setlong(ctx->out, "FEE", h_fee);
    tx_buf_setlong(ctx->out, "SETTLEAMT", settle_amt);
    tx_buf_sets(ctx->out, "STATUS", LG_ST_SETTLED);
    tx_log(TX_LOG_INFO, "[LG_OL_0019] 정산확정 완료 key=%s 정산액=%ld", key, settle_amt);
    tx_return(ctx, TX_OK, ctx->out);
}
