/* 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_0008.pgc"
/* @tier easy @module rc @transform reconciliation-online */
/*
 * rc_ol_0008.pgc - 재대사 (단건) 온라인 서비스 (RC_OL_0008)
 *
 * 요청 KEY 원장 1건을 읽어 재대사 대상으로 되돌린다.
 * 업무규칙:
 *   - 정산완료('S') : 이미 정산된 건은 재대사 불가 → REJECT (상태 불변)
 *   - 불일치('U') / 매입확정('M') : 접수('R') 로 되돌려 재대사 준비
 *   - 접수('R')     : 이미 재대사 대상 → NOOP (상태 불변)
 * 응답 KEY, OLDSTATUS, NEWSTATUS, RESULT 를 구성한다.
 */
#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 19 "app/online/rc_ol_0008.pgc"


TX_SERVICE(RC_OL_0008, ctx)
{
    rc_rec_t rec;
    char key[16];
    char old_status[2];
    const char *new_status;
    const char *result;
    int  rc;

    tx_log(TX_LOG_INFO, "[RC_OL_0008] 재대사(단건) 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[RC_OL_0008] KEY 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_0008] 원장 조회 실패 key=%s rc=%d(%s)",
               key, rc, tx_strerror(rc));
        tx_return(ctx, rc, ctx->out);
        return;
    }

    /* 조회된 현재 상태 보존 */
    memset(old_status, 0, sizeof(old_status));
    strncpy(old_status, rec.status, sizeof(old_status) - 1);
    new_status = old_status;   /* 기본: 상태 불변 */

    if (strcmp(old_status, RC_ST_SETTLED) == 0) {
        /* 정산완료 건은 재대사 불가 */
        result = "REJECT";
        tx_log(TX_LOG_WARN, "[RC_OL_0008] 정산완료 건 재대사 거부 key=%s", key);
    } else if (strcmp(old_status, RC_ST_RECV) == 0) {
        /* 이미 접수 상태 → 재대사 필요 없음 */
        result = "NOOP";
        tx_log(TX_LOG_INFO, "[RC_OL_0008] 이미 재대사 대상 key=%s", key);
    } else if (strcmp(old_status, RC_ST_FAIL) == 0 ||
               strcmp(old_status, RC_ST_DONE) == 0) {
        /* 불일치/매입확정 → 접수로 되돌려 재대사 준비 */
        rc = rc_rec_update_status(key, RC_ST_RECV);
        if (rc != TX_OK) {
            tx_log(TX_LOG_ERROR, "[RC_OL_0008] 상태전이 실패 key=%s rc=%d",
                   key, rc);
            tx_return(ctx, rc, ctx->out);
            return;
        }
        new_status = RC_ST_RECV;
        result = "RERECON";
        tx_log(TX_LOG_INFO, "[RC_OL_0008] 재대사 전이 완료 key=%s %s->R",
               key, old_status);
    } else {
        /* 알 수 없는 상태값 방어 */
        result = "REJECT";
        tx_log(TX_LOG_WARN, "[RC_OL_0008] 알 수 없는 상태 key=%s status=%s",
               key, old_status);
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", rec.key);
    tx_buf_sets(ctx->out, "OLDSTATUS", old_status);
    tx_buf_sets(ctx->out, "NEWSTATUS", new_status);
    tx_buf_sets(ctx->out, "RESULT", result);
    tx_log(TX_LOG_INFO, "[RC_OL_0008] 재대사 처리결과 key=%s result=%s",
           key, result);
    tx_return(ctx, TX_OK, ctx->out);
}
