/* 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/mg_ol_0008.pgc"
/* @tier medium @module mg @transform msg-gateway-online */
/*
 * mg_ol_0008.pgc - 전문 라우팅 서비스 (MG_OL_0008)  [tier=medium]
 *
 * 전문종별(MSGTYPE)과 가맹점번호(MERCHID) prefix 를 인-코드 라우팅 규칙과
 * 대조하여 목적 채널을 결정한다. 규칙 미매칭 시 기본채널(DEFAULT)로
 * 폴백하며 결정된 목적채널/우선순위를 응답한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "acq_util.h"
#include "mg_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/mg_ol_0008.pgc"


typedef struct {
    const char *mtype;    /* 전문종별 (빈문자면 와일드카드) */
    const char *mprefix;  /* 가맹점 prefix (빈문자면 와일드카드) */
    const char *dest;     /* 목적 채널 */
    int         prio;     /* 우선순위 (작을수록 우선) */
} mg_route_rule_t;

TX_SERVICE(MG_OL_0008, ctx)
{
    static const mg_route_rule_t rules[] = {
        { MSG_TYPE_RECV,  "9",  "CH_VIP",     1 },
        { MSG_TYPE_RECV,  "1",  "CH_ACQ_A",   2 },
        { MSG_TYPE_RECV,  "",   "CH_ACQ_B",   3 },
        { MSG_TYPE_RECON, "",   "CH_SETTLE",  2 },
        { MSG_TYPE_RESP,  "",   "CH_RESP",    2 }
    };
    const int nrules = (int)(sizeof(rules) / sizeof(rules[0]));

    char mtype[8];
    char merch[16];
    char dest[16];
    int  prio;
    int  i;
    int  matched;
    size_t plen;

    tx_log(TX_LOG_INFO, "[MG_OL_0008] 전문 라우팅 서비스 진입");

    /* 1) 라우팅 키 수신 */
    if (tx_buf_get(ctx->in, "MSGTYPE", mtype, sizeof(mtype)) != TX_OK ||
        mtype[0] == '\0') {
        tx_log(TX_LOG_ERROR, "[MG_OL_0008] 전문종별(MSGTYPE) 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK)
        merch[0] = '\0';

    /* 2) 규칙 순차 평가 (우선순위 규칙이 앞쪽에 배치됨) */
    matched = 0;
    prio = 99;
    strncpy(dest, "CH_DEFAULT", sizeof(dest) - 1);
    dest[sizeof(dest) - 1] = '\0';

    for (i = 0; i < nrules; i++) {
        if (strncmp(mtype, rules[i].mtype, FLD_MSG_TYPE_LEN) != 0)
            continue;
        plen = strlen(rules[i].mprefix);
        if (plen > 0 && strncmp(merch, rules[i].mprefix, plen) != 0)
            continue;
        /* 매칭: 첫 매칭이 곧 최우선 (규칙배열 정렬 가정) */
        strncpy(dest, rules[i].dest, sizeof(dest) - 1);
        dest[sizeof(dest) - 1] = '\0';
        prio = rules[i].prio;
        matched = 1;
        break;
    }

    if (!matched)
        tx_log(TX_LOG_WARN, "[MG_OL_0008] 라우팅 규칙 미매칭 type=%s merch=%s -> 기본채널",
               mtype, merch);

    /* 3) 라우팅 결과 응답 */
    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESP", RESP_OK);
    tx_buf_sets(ctx->out, "MSGTYPE", mtype);
    tx_buf_sets(ctx->out, "DEST", dest);
    tx_buf_setlong(ctx->out, "PRIO", (long)prio);
    tx_buf_setlong(ctx->out, "MATCHED", (long)matched);
    tx_log(TX_LOG_INFO, "[MG_OL_0008] 라우팅 결정 type=%s merch=%s dest=%s prio=%d",
           mtype, merch, dest, prio);
    tx_return(ctx, TX_OK, ctx->out);
}
