/* 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_0029.pgc"
/* @tier medium @module lg @transform ledger-online */
/*
 * lg_ol_0029.pgc - 원장 온라인 서비스 (LG_OL_0029)  [tier=medium]
 *
 * 역분개 승인: 접수(R) 상태의 역분개행(금액이 음수인 반대분개)을 확인하고
 * 승인 처리(M) 로 전이한다. 역분개가 아니거나 상태가 다르면 거부 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_0029.pgc"


TX_SERVICE(LG_OL_0029, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
     
    
#line 21 "app/online/lg_ol_0029.pgc"
 char h_key [ 16 ] ;
 
#line 22 "app/online/lg_ol_0029.pgc"
 char h_status_r [ 2 ] ;
 
#line 23 "app/online/lg_ol_0029.pgc"
 char h_status_m [ 2 ] ;
 
#line 24 "app/online/lg_ol_0029.pgc"
 char h_cur_status [ 2 ] ;
 
#line 25 "app/online/lg_ol_0029.pgc"
 long h_amount ;
/* exec sql end declare section */
#line 26 "app/online/lg_ol_0029.pgc"


    char revkey[16];
    long approved;

    tx_log(TX_LOG_INFO, "[LG_OL_0029] 역분개 승인 진입");

    if (tx_buf_get(ctx->in, "REVKEY", revkey, sizeof(revkey)) != TX_OK ||
        revkey[0] == '\0') {
        tx_log(TX_LOG_ERROR, "[LG_OL_0029] REVKEY 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, revkey, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    strncpy(h_status_r, LG_ST_RECV, sizeof(h_status_r) - 1);
    h_status_r[sizeof(h_status_r) - 1] = '\0';
    strncpy(h_status_m, LG_ST_DONE, sizeof(h_status_m) - 1);
    h_status_m[sizeof(h_status_m) - 1] = '\0';

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select amount , 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_char,(h_cur_status),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 51 "app/online/lg_ol_0029.pgc"

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[LG_OL_0029] 역분개행 없음 revkey=%s", revkey);
        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_0029 select");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 역분개 조건: 접수(R) 상태 + 음수 금액 */
    if (h_cur_status[0] != LG_ST_RECV[0] || h_amount >= 0) {
        tx_log(TX_LOG_WARN, "[LG_OL_0029] 역분개 승인 거부 revkey=%s status=%s amount=%ld",
               revkey, h_cur_status, h_amount);
        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;
    }

    /* R + 음수 조건부 승인 전이 */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update lg_ledger set status = $1  , upd_ts = now ( ) where key = $2  and status = $3  and amount < 0", 
	ECPGt_char,(h_status_m),(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_char,(h_status_r),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 88 "app/online/lg_ol_0029.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("lg_ol_0029 update");
        tx_abort();
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    approved = (long)sqlca.sqlerrd[2];

    if (approved == 0) {
        tx_log(TX_LOG_WARN, "[LG_OL_0029] 승인 대상 없음 revkey=%s", revkey);
        tx_abort();
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    if (tx_commit() != TX_OK) {
        tx_abort();
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "REVKEY", revkey);
    tx_buf_setlong(ctx->out, "REVAMT", h_amount);
    tx_buf_sets(ctx->out, "STATUS", LG_ST_DONE);
    tx_log(TX_LOG_INFO, "[LG_OL_0029] 역분개 승인완료 revkey=%s 금액=%ld", revkey, h_amount);
    tx_return(ctx, TX_OK, ctx->out);
}
