/* 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_0008.pgc"
/* @tier hard @module ac @transform acquire-online */
/*
 * ac_ol_0008.pgc - 할부매입 서비스 (AC_OL_0008)  [tier=hard]
 *
 * 총 매입금액을 개월수(MONTHS, install_month>=2)로 분할하여 월별
 * ac_ledger 행(키: KEY-01..KEY-NN, acq_type='INST')을 순차 INSERT 한다.
 * 나머지 금액은 1회차에 몰아준다. 전 과정은 하나의 트랜잭션으로 처리.
 */
#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_0008.pgc"


TX_SERVICE(AC_OL_0008, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
     
     
     
     
      
    
#line 22 "app/online/ac_ol_0008.pgc"
 char h_merch_id [ 16 ] ;
 
#line 23 "app/online/ac_ol_0008.pgc"
 char h_card_no [ 20 ] ;
 
#line 24 "app/online/ac_ol_0008.pgc"
 char h_biz_date [ 9 ] ;
 
#line 25 "app/online/ac_ol_0008.pgc"
 char h_status [ 2 ] ;
 
#line 26 "app/online/ac_ol_0008.pgc"
 char h_acq_type [ 4 ] ;
 
#line 27 "app/online/ac_ol_0008.pgc"
 char h_row_key [ 16 ] ;
 
#line 28 "app/online/ac_ol_0008.pgc"
 long h_row_amount ;
 
#line 29 "app/online/ac_ol_0008.pgc"
 long h_row_fee ;
 
#line 30 "app/online/ac_ol_0008.pgc"
 int h_install_month ;
/* exec sql end declare section */
#line 31 "app/online/ac_ol_0008.pgc"


    char key[16], merch[16], card[20], bizdate[16];
    char base_key[16];
    long amount = 0, months_l = 0;
    long monthly, remainder, row_amt, totalfee = 0;
    int  months, i, errcnt = 0;
    size_t klen;

    tx_log(TX_LOG_INFO, "[AC_OL_0008] 할부매입 서비스 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_buf_get(ctx->in, "BIZDATE", bizdate, sizeof(bizdate)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AC_OL_0008] 필수 필드 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);
    tx_buf_getlong(ctx->in, "MONTHS", &months_l);

    if (!amount_is_valid(amount) || !date_is_valid(bizdate)) {
        tx_log(TX_LOG_WARN, "[AC_OL_0008] 입력 검증 실패 amount=%ld date=%s",
               amount, bizdate);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (months_l < 2) {
        tx_log(TX_LOG_WARN, "[AC_OL_0008] 할부개월 오류 months=%ld", months_l);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    months = (int)months_l;

    monthly   = amount / months;
    remainder = amount - (monthly * months);

    /* 원거래키 앞부분 12자 + "-NN" (16바이트 한도 준수) */
    klen = strlen(key);
    if (klen > 12)
        klen = 12;
    memcpy(base_key, key, klen);
    base_key[klen] = '\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';
    strncpy(h_biz_date, bizdate, sizeof(h_biz_date) - 1);
    h_biz_date[sizeof(h_biz_date) - 1] = '\0';
    strncpy(h_status, AC_ST_RECV, sizeof(h_status));
    strncpy(h_acq_type, "INST", sizeof(h_acq_type) - 1);
    h_acq_type[sizeof(h_acq_type) - 1] = '\0';

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[AC_OL_0008] tx_begin 경고");

    for (i = 1; i <= months; i++) {
        row_amt = (i == 1) ? (monthly + remainder) : monthly;

        snprintf(h_row_key, sizeof(h_row_key), "%s-%02d", base_key, i);
        h_row_amount    = row_amt;
        h_row_fee       = row_amt * 25 / 10000;   /* 할부 수수료 0.25% */
        h_install_month = i;

        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into ac_ledger ( key , merch_id , card_no , amount , biz_date , status , fee , acq_type , install_month ) values ( $1  , $2  , $3  , $4  , $5  , $6  , $7  , $8  , $9  )", 
	ECPGt_char,(h_row_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_row_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_long,&(h_row_fee),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_acq_type),(long)4,(long)1,(4)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_int,&(h_install_month),(long)1,(long)1,sizeof(int), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 103 "app/online/ac_ol_0008.pgc"


        if (sqlca.sqlcode != TX_SQL_OK || sqlca.sqlerrd[2] != 1) {
            TX_DBIO_LOG_ERR("INSERT ac_ledger(할부회차)");
            errcnt++;
            break;
        }

        totalfee += h_row_fee;
    }

    if (errcnt > 0) {
        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, "MONTHCNT", months);
    tx_buf_setlong(ctx->out, "FIRSTAMT", monthly + remainder);
    tx_buf_setlong(ctx->out, "MONTHLYAMT", monthly);
    tx_buf_setlong(ctx->out, "TOTALFEE", totalfee);
    tx_log(TX_LOG_INFO,
           "[AC_OL_0008] 할부매입 완료 key=%s 총액=%ld 개월=%d 1회차=%ld 월분=%ld",
           key, amount, months, monthly + remainder, monthly);
    tx_return(ctx, TX_OK, ctx->out);
}
