/* 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/st_ol_0013.pgc"
/* @tier hard @module st @transform settlement-online */
/*
 * st_ol_0013.pgc - 정산금 분할(N분할) 계산 (ST_OL_0013)  [tier=hard]
 *
 * 총 정산금을 N 회차로 균등 분할하되, 원단위 잔여(remainder)를 마지막
 * 회차에 몰아 합계가 원금과 일치하도록 배분한다. 산출된 회차 스케줄을
 * 분할지급 예정(st_installment)에 적재한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "st_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/st_ol_0013.pgc"



TX_SERVICE(ST_OL_0013, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
    
#line 23 "app/online/st_ol_0013.pgc"
 char h_merch [ 16 ] ;
 
#line 24 "app/online/st_ol_0013.pgc"
 long h_seq ;
 
#line 25 "app/online/st_ol_0013.pgc"
 long h_part_amt ;
 
#line 26 "app/online/st_ol_0013.pgc"
 long h_total_ins ;
/* exec sql end declare section */
#line 27 "app/online/st_ol_0013.pgc"


    char merch[16];
    long total = 0, parts = 0, base_part, last_part, i, acc = 0;

    tx_log(TX_LOG_INFO, "[ST_OL_0013] 정산금 분할 계산 진입");

    if (tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "TOTAL", &total);
    tx_buf_getlong(ctx->in, "PARTS", &parts);

    if (total <= 0 || parts <= 0 || parts > 60) {
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    base_part = total / parts;
    for (i = 0; i < parts - 1; i++)
        acc += base_part;
    last_part = total - acc;            /* 잔여 마지막 회차 흡수 */

    /* 회차 스케줄 적재 (트랜잭션 경계) : 기존 예정 삭제 후 재적재 */
    strncpy(h_merch, merch, sizeof(h_merch) - 1);
    h_merch[sizeof(h_merch) - 1] = '\0';

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[ST_OL_0013] tx_begin 경고");

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "delete from st_installment where merch_id = $1 ", 
	ECPGt_char,(h_merch),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 60 "app/online/st_ol_0013.pgc"

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("DELETE st_installment");
        tx_abort();
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    for (i = 0; i < parts; i++) {
        h_seq      = i + 1;
        h_part_amt = (i == parts - 1) ? last_part : base_part;
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into st_installment ( merch_id , seq_no , part_amt , reg_ts ) values ( $1  , $2  , $3  , now ( ) )", 
	ECPGt_char,(h_merch),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_seq),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_part_amt),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 74 "app/online/st_ol_0013.pgc"

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

    /* 적재 검증: 합계 대조 */
    h_total_ins = 0;
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select coalesce ( sum ( part_amt ) , 0 ) from st_installment where merch_id = $1 ", 
	ECPGt_char,(h_merch),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_total_ins),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 88 "app/online/st_ol_0013.pgc"

    if (sqlca.sqlcode != TX_SQL_OK || h_total_ins != total) {
        tx_log(TX_LOG_ERROR, "[ST_OL_0013] 분할합 불일치 적재=%ld 원금=%ld",
               (long)h_total_ins, total);
        tx_abort();
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }
    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "MERCHID", merch);
    tx_buf_setlong(ctx->out, "TOTAL", total);
    tx_buf_setlong(ctx->out, "PARTS", parts);
    tx_buf_setlong(ctx->out, "BASEPART", base_part);
    tx_buf_setlong(ctx->out, "LASTPART", last_part);
    tx_log(TX_LOG_INFO, "[ST_OL_0013] 분할 total=%ld parts=%ld base=%ld last=%ld",
           total, parts, base_part, last_part);
    tx_return(ctx, TX_OK, ctx->out);
}