/* 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/ac_ol_0007.pgc"
/* @tier easy @module ac @transform acquire-online */
/*
 * ac_ol_0007.pgc - 부분매입 서비스 (AC_OL_0007)  [tier=easy]
 *
 * 원거래 금액 중 일부(CAPAMT)만 매입 처리한다. 원장의 잔여금액을 차감
 * 갱신하고, 부분매입 내역행(acq_type='PART', orig_key 연결)을 별도 적재
 * 한 뒤 남은 잔여금액을 반환한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "ac_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/ac_ol_0007.pgc"


TX_SERVICE(AC_OL_0007, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
     
     
     
     
     
    
#line 22 "app/online/ac_ol_0007.pgc"
 char h_key [ 16 ] ;
 
#line 23 "app/online/ac_ol_0007.pgc"
 long h_orig_amount ;
 
#line 24 "app/online/ac_ol_0007.pgc"
 char h_merch_id [ 16 ] ;
 
#line 25 "app/online/ac_ol_0007.pgc"
 char h_card_no [ 20 ] ;
 
#line 26 "app/online/ac_ol_0007.pgc"
 char h_biz_date [ 9 ] ;
 
#line 27 "app/online/ac_ol_0007.pgc"
 long h_cap_amount ;
 
#line 28 "app/online/ac_ol_0007.pgc"
 long h_remaining ;
 
#line 29 "app/online/ac_ol_0007.pgc"
 char h_part_key [ 16 ] ;
 
#line 30 "app/online/ac_ol_0007.pgc"
 char h_status [ 2 ] ;
/* exec sql end declare section */
#line 31 "app/online/ac_ol_0007.pgc"


    char key[16];
    long capamt = 0;
    size_t klen;

    tx_log(TX_LOG_INFO, "[AC_OL_0007] 부분매입 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AC_OL_0007] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_getlong(ctx->in, "CAPAMT", &capamt) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AC_OL_0007] CAPAMT 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

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

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select amount , merch_id , card_no , biz_date from ac_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_orig_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_char,(h_card_no),(long)20,(long)1,(20)*sizeof(char), 
	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_EORT);}
#line 57 "app/online/ac_ol_0007.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[AC_OL_0007] 원거래 없음 key=%s", key);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT ac_ledger(부분매입대상)");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    if (!amount_is_valid(capamt) || capamt > h_orig_amount) {
        tx_log(TX_LOG_WARN, "[AC_OL_0007] 부분금액 오류 cap=%ld orig=%ld",
               capamt, h_orig_amount);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    h_cap_amount = capamt;
    h_remaining  = h_orig_amount - capamt;

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[AC_OL_0007] tx_begin 경고");

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update ac_ledger set amount = $1  , upd_ts = now ( ) where key = $2 ", 
	ECPGt_long,&(h_remaining),(long)1,(long)1,sizeof(long), 
	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 87 "app/online/ac_ol_0007.pgc"


    if (sqlca.sqlcode != TX_SQL_OK || sqlca.sqlerrd[2] != 1) {
        TX_DBIO_LOG_ERR("UPDATE ac_ledger(부분매입)");
        tx_abort();
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 부분매입 내역키 = 원키 앞부분 13자 + "-P" (16바이트 한도 준수) */
    klen = strlen(h_key);
    if (klen > 13)
        klen = 13;
    memcpy(h_part_key, h_key, klen);
    h_part_key[klen] = '\0';
    strcat(h_part_key, "-P");
    strncpy(h_status, AC_ST_DONE, sizeof(h_status));

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into ac_ledger ( key , merch_id , card_no , amount , biz_date , status , fee , acq_type , orig_key ) values ( $1  , $2  , $3  , $4  , $5  , $6  , 0 , 'PART' , $7  )", 
	ECPGt_char,(h_part_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_cap_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_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 111 "app/online/ac_ol_0007.pgc"


    if (sqlca.sqlcode != TX_SQL_OK || sqlca.sqlerrd[2] != 1) {
        TX_DBIO_LOG_ERR("INSERT ac_ledger(부분매입내역)");
        tx_abort();
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_setlong(ctx->out, "CAPAMT", capamt);
    tx_buf_setlong(ctx->out, "REMAINING", h_remaining);
    tx_log(TX_LOG_INFO, "[AC_OL_0007] 부분매입 완료 key=%s cap=%ld 잔여=%ld",
           key, capamt, h_remaining);
    tx_return(ctx, TX_OK, ctx->out);
}
