/* 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/au_ol_0008.pgc"
/* @tier hard @module au @transform authorization-online */
/*
 * au_ol_0008.pgc - 승인요청 매입사 중계(tx_call) (AU_OL_0008)  [tier=hard]
 *
 * 요청 승인건에 대해 가맹점 승인한도(au_limit)를 임베디드 SQL 로 확인하고,
 * 승인요청 이력행(au_appr_req)을 적재한 뒤 매입사(AU_ISSUER)로 tx_call
 * 중계한다. 매입사 승인응답이 정상이면 가맹점 기사용액(used_amt)을 증액
 * 반영한다. 원장 반영은 하나의 트랜잭션으로 처리한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "au_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 18 "app/online/au_ol_0008.pgc"


TX_SERVICE(AU_OL_0008, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
     
     
    
#line 23 "app/online/au_ol_0008.pgc"
 char h_key [ 16 ] ;
 
#line 24 "app/online/au_ol_0008.pgc"
 char h_merch_id [ 16 ] ;
 
#line 25 "app/online/au_ol_0008.pgc"
 char h_card_no [ 20 ] ;
 
#line 26 "app/online/au_ol_0008.pgc"
 long h_amount ;
 
#line 27 "app/online/au_ol_0008.pgc"
 long h_daily_limit ;
 
#line 28 "app/online/au_ol_0008.pgc"
 long h_used_amt ;
/* exec sql end declare section */
#line 29 "app/online/au_ol_0008.pgc"


    TXBUF *req;
    char key[16], merch[16], card[20], resp[8];
    long amount = 0, avail;
    int  rc;

    tx_log(TX_LOG_INFO, "[AU_OL_0008] 승인요청 중계 진입");

    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, "CARDNO", card, sizeof(card)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AU_OL_0008] 필수 필드 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);

    strncpy(h_key, key, sizeof(h_key) - 1);       h_key[sizeof(h_key) - 1] = '\0';
    strncpy(h_merch_id, merch, sizeof(h_merch_id) - 1); h_merch_id[sizeof(h_merch_id) - 1] = '\0';
    strncpy(h_card_no, card, sizeof(h_card_no) - 1);    h_card_no[sizeof(h_card_no) - 1] = '\0';
    h_amount = amount;

    /* 1) 가맹점 승인한도 확인 */
    h_daily_limit = 0;
    h_used_amt    = 0;
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select daily_limit , used_amt from au_limit where merch_id = $1 ", 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_daily_limit),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_used_amt),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 58 "app/online/au_ol_0008.pgc"

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT au_limit");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    avail = h_daily_limit - h_used_amt;
    if (h_daily_limit > 0 && amount > avail) {
        tx_log(TX_LOG_WARN, "[AU_OL_0008] 한도초과 merch=%s req=%ld avail=%ld",
               merch, amount, avail);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 2) 승인요청 이력행 적재 (요청상태 'Q') */
    if (tx_begin() != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AU_OL_0008] 트랜잭션 시작 실패");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into au_appr_req ( req_key , merch_id , card_no , req_amount , req_status ) values ( $1  , $2  , $3  , $4  , 'Q' )", 
	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_EOIT, ECPGt_EORT);}
#line 83 "app/online/au_ol_0008.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT au_appr_req");
        tx_abort();
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 3) 매입사 중계 (tx_call) */
    req = tx_buf_alloc();
    if (!req) {
        tx_abort();
        tx_return(ctx, TX_ENOMEM, ctx->out);
        return;
    }
    tx_buf_sets(req, "KEY", key);
    tx_buf_sets(req, "MERCHID", merch);
    tx_buf_sets(req, "CARDNO", card);
    tx_buf_setlong(req, "AMOUNT", amount);
    tx_buf_sets(req, "MTI", MSG_TYPE_RECV);

    rc = tx_call("AU_ISSUER", req, ctx->out);
    tx_buf_free(req);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AU_OL_0008] 매입사 중계 실패 rc=%d(%s)", rc, tx_strerror(rc));
        tx_abort();
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, rc, ctx->out);
        return;
    }

    if (tx_buf_get(ctx->out, "RESPCODE", resp, sizeof(resp)) != TX_OK)
        strcpy(resp, RESP_OK);

    /* 4) 승인 성공 시 요청상태 완료 + 기사용액 증액 */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update au_appr_req set req_status = 'A' where req_key = $1 ", 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 121 "app/online/au_ol_0008.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("UPDATE au_appr_req");
        tx_abort();
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update au_limit set used_amt = used_amt + $1  where merch_id = $2 ", 
	ECPGt_long,&(h_amount),(long)1,(long)1,sizeof(long), 
	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_EOIT, ECPGt_EORT);}
#line 131 "app/online/au_ol_0008.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("UPDATE au_limit used_amt");
        tx_abort();
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_commit();

    tx_log(TX_LOG_INFO, "[AU_OL_0008] 중계 응답 key=%s resp=%s used+=%ld",
           key, resp, amount);
    tx_return(ctx, TX_OK, ctx->out);
}
