/* 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/mm_ol_0004.pgc"
/* @tier easy @module mm @transform master-online */
/*
 * mm_ol_0004.pgc - 가맹점 상태변경 서비스 (MM_OL_0004)  [tier=easy]
 *
 * 가맹점 상태를 전이규칙(R->M->S, M->U 등)에 따라 검증한 뒤 mm_merchant
 * status 를 UPDATE 하고 상태이력(mm_status_hist) 에 이전/이후 상태를 남긴다.
 * (CRUD + 이력)
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "mm_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 18 "app/online/mm_ol_0004.pgc"


TX_SERVICE(MM_OL_0004, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
     
    
#line 23 "app/online/mm_ol_0004.pgc"
 char h_merch_id [ 16 ] ;
 
#line 24 "app/online/mm_ol_0004.pgc"
 char h_cur_st [ 2 ] ;
 
#line 25 "app/online/mm_ol_0004.pgc"
 char h_new_st [ 2 ] ;
 
#line 26 "app/online/mm_ol_0004.pgc"
 char h_chg_date [ 9 ] ;
 
#line 27 "app/online/mm_ol_0004.pgc"
 long h_cnt ;
/* exec sql end declare section */
#line 28 "app/online/mm_ol_0004.pgc"


    char merch_id[16];
    char new_st[2];
    int  allowed;

    tx_log(TX_LOG_INFO, "[MM_OL_0004] 가맹점 상태변경 서비스 진입");

    if (tx_buf_get(ctx->in, "MERCHID", merch_id, sizeof(merch_id)) != TX_OK ||
        tx_buf_get(ctx->in, "NEWST", new_st, sizeof(new_st)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[MM_OL_0004] 필수 필드 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "MM0400");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_merch_id, merch_id, sizeof(h_merch_id) - 1);
    h_merch_id[sizeof(h_merch_id) - 1] = '\0';
    strncpy(h_new_st, new_st, sizeof(h_new_st) - 1);
    h_new_st[sizeof(h_new_st) - 1] = '\0';
    date_today(h_chg_date);

    /* 현재 상태 조회 */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select status from mm_merchant where merch_id = $1 ", 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_char,(h_cur_st),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 53 "app/online/mm_ol_0004.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[MM_OL_0004] 미등록 가맹점 merch=%s", merch_id);
        tx_buf_sets(ctx->out, "ERRCODE", "MM0401");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT status mm_merchant");
        tx_buf_sets(ctx->out, "ERRCODE", "MM0402");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 상태전이 규칙검증: R->M, M->S, M->U 만 허용 */
    allowed = 0;
    if (strcmp(h_cur_st, MM_ST_RECV) == 0 && strcmp(h_new_st, MM_ST_DONE) == 0)
        allowed = 1;
    else if (strcmp(h_cur_st, MM_ST_DONE) == 0 && strcmp(h_new_st, MM_ST_SETTLED) == 0)
        allowed = 1;
    else if (strcmp(h_cur_st, MM_ST_DONE) == 0 && strcmp(h_new_st, MM_ST_FAIL) == 0)
        allowed = 1;

    if (!allowed) {
        tx_log(TX_LOG_WARN, "[MM_OL_0004] 상태전이 위반 %s->%s", h_cur_st, h_new_st);
        tx_buf_sets(ctx->out, "ERRCODE", "MM0403");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[MM_OL_0004] tx_begin 경고");

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update mm_merchant set status = $1  , upd_date = $2  where merch_id = $3 ", 
	ECPGt_char,(h_new_st),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_chg_date),(long)9,(long)1,(9)*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_EOIT, ECPGt_EORT);}
#line 90 "app/online/mm_ol_0004.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("UPDATE status mm_merchant");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM0404");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into mm_status_hist ( merch_id , prev_status , new_status , chg_date ) values ( $1  , $2  , $3  , $4  )", 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_cur_st),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_new_st),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_chg_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 102 "app/online/mm_ol_0004.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT mm_status_hist");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM0405");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "MERCHID", merch_id);
    tx_buf_sets(ctx->out, "PREVST", h_cur_st);
    tx_buf_sets(ctx->out, "NEWST", h_new_st);
    tx_buf_sets(ctx->out, "CHGDATE", h_chg_date);
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[MM_OL_0004] 상태변경완료 merch=%s %s->%s",
           merch_id, h_cur_st, h_new_st);
    tx_return(ctx, TX_OK, ctx->out);
}
