/* 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/rc_ol_0002.pgc"
/* @tier medium @module rc @transform reconciliation-online */
/*
 * rc_ol_0002.pgc - 승인-매입 대사 (단건 판정) 온라인 서비스 (RC_OL_0002)
 *
 * 요청 KEY 의 원장 1건을 읽어 "승인금액(입력 APPRAMT)" 과 "매입금액
 * (원장 amount)" 을 대사한다. 두 금액이 일치하면 매입확정('M'),
 * 불일치하면 불일치('U') 로 상태를 전이하고 차액을 응답에 싣는다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "acq_util.h"
#include "rc_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 16 "app/online/rc_ol_0002.pgc"


TX_SERVICE(RC_OL_0002, ctx)
{
    rc_rec_t rec;
    char key[16];
    long appr_amt = 0;   /* 승인계에서 넘어온 승인금액 */
    long diff;
    int  rc;
    const char *new_st;

    tx_log(TX_LOG_INFO, "[RC_OL_0002] 승인-매입 대사(단건) 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[RC_OL_0002] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_getlong(ctx->in, "APPRAMT", &appr_amt) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[RC_OL_0002] APPRAMT(승인금액) 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    memset(&rec, 0, sizeof(rec));
    rc = rc_rec_select(key, &rec);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[RC_OL_0002] 원장 조회 실패 key=%s rc=%d(%s)",
               key, rc, tx_strerror(rc));
        tx_return(ctx, rc, ctx->out);
        return;
    }

    /* 대사 판정: 승인금액 == 매입금액 ? */
    diff = rec.amount - appr_amt;
    if (diff == 0) {
        new_st = RC_ST_DONE;   /* 매입확정 */
        tx_log(TX_LOG_INFO, "[RC_OL_0002] 승인-매입 일치 key=%s amount=%ld",
               key, rec.amount);
    } else {
        new_st = RC_ST_FAIL;   /* 금액 불일치 */
        tx_log(TX_LOG_WARN, "[RC_OL_0002] 승인-매입 불일치 key=%s 차액=%ld",
               key, diff);
    }

    rc = rc_rec_update_status(key, new_st);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[RC_OL_0002] 상태전이 실패 key=%s rc=%d", key, rc);
        tx_return(ctx, rc, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", rec.key);
    tx_buf_setlong(ctx->out, "APPRAMT", appr_amt);
    tx_buf_setlong(ctx->out, "CAPAMT", rec.amount);
    tx_buf_setlong(ctx->out, "DIFF", diff);
    tx_buf_sets(ctx->out, "STATUS", new_st);
    tx_buf_sets(ctx->out, "RESULT", (diff == 0) ? "MATCH" : "UNMATCH");
    tx_return(ctx, TX_OK, ctx->out);
}
