/* 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/vl_ol_0007.pgc"
/* @tier easy @module vl @transform validation-online */
/*
 * vl_ol_0007.pgc - 금액 tolerance 정합 검증 서비스 (VL_OL_0007)
 *
 * 원장(vl_rec_select) 의 거래금액과 승인원천(vl_authorized) 의 승인금액을
 * 대사한다. 입력 허용오차(TOL, 기본 0원) 이내면 정합, 초과하면 불일치(VL07xx).
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "vl_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 17 "app/online/vl_ol_0007.pgc"


TX_SERVICE(VL_OL_0007, ctx)
{
    /* exec sql begin declare section */
     
     
    
#line 22 "app/online/vl_ol_0007.pgc"
 char h_key [ 16 ] ;
 
#line 23 "app/online/vl_ol_0007.pgc"
 long h_appr_amt ;
/* exec sql end declare section */
#line 24 "app/online/vl_ol_0007.pgc"


    vl_rec_t rec;
    char key[16];
    long tol = 0, diff, absdiff;
    int  rc;

    tx_log(TX_LOG_INFO, "[VL_OL_0007] 금액 tolerance 검증 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0007] KEY 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0700");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "TOL", &tol);
    if (tol < 0)
        tol = 0;

    /* 1) 원장 금액 확보 */
    memset(&rec, 0, sizeof(rec));
    rc = vl_rec_select(key, &rec);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[VL_OL_0007] 원장 조회 실패 key=%s rc=%d", key, rc);
        tx_buf_sets(ctx->out, "ERRCODE", "VL0701");
        tx_return(ctx, rc, ctx->out);
        return;
    }

    /* 2) 승인금액 조회 */
    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    h_appr_amt = 0;

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select approval_amount from vl_authorized where txn_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_appr_amt),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 61 "app/online/vl_ol_0007.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[VL_OL_0007] 승인원천 없음 key=%s", key);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0702");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT vl_authorized");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0709");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 3) 허용오차 판정 */
    diff = rec.amount - h_appr_amt;
    absdiff = labs(diff);

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_setlong(ctx->out, "LEDGERAMT", rec.amount);
    tx_buf_setlong(ctx->out, "APPRAMT", h_appr_amt);
    tx_buf_setlong(ctx->out, "DIFF", diff);
    tx_buf_setlong(ctx->out, "TOL", tol);

    if (absdiff > tol) {
        tx_log(TX_LOG_WARN, "[VL_OL_0007] 허용오차 초과 key=%s diff=%ld tol=%ld",
               key, diff, tol);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0703");
        tx_return(ctx, TX_OK, ctx->out);
        return;
    }

    tx_buf_sets(ctx->out, "RESULT", "MATCH");
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[VL_OL_0007] 금액 정합 key=%s diff=%ld", key, diff);
    tx_return(ctx, TX_OK, ctx->out);
}
