/* 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/cm_ol_0019.pgc"
/* @tier easy @module cm @transform common-online */
/*
 * cm_ol_0019.pgc - 요일 계산 서비스 (CM_OL_0019)  [tier=easy]
 *
 * 요청의 일자(DATE, YYYYMMDD)에 대해 date_weekday 로 요일 인덱스
 * (0=일 ~ 6=토)를 구하고 한글 요일명(일~토)으로 매핑하여 요일 인덱스/
 * 요일명/주말여부를 응답한다. 순수 로직 요일 산출 공통 서비스. DB 접근 없음.
 * (ATMI void SVC(TPSVCINFO*) 대응)
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "acq_util.h"
#include "cm_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/cm_ol_0019.pgc"


TX_SERVICE(CM_OL_0019, ctx)
{
    static const char *WDAY_SHORT[7] = {
        "일", "월", "화", "수", "목", "금", "토"
    };
    char date[16];
    char label[8];
    int  wd;
    int  weekend;

    tx_log(TX_LOG_INFO, "[CM_OL_0019] 요일 계산 서비스 진입");

    if (tx_buf_get(ctx->in, "DATE", date, sizeof(date)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[CM_OL_0019] DATE 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    if (!date_is_valid(date)) {
        tx_log(TX_LOG_WARN, "[CM_OL_0019] 유효하지 않은 일자 date=%s", date);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    wd = date_weekday(date);
    if (wd < 0 || wd > 6) {
        tx_log(TX_LOG_ERROR, "[CM_OL_0019] 요일 계산 실패 date=%s wd=%d", date, wd);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    /* 주말 = 일(0) 또는 토(6) */
    weekend = (wd == 0 || wd == 6) ? 1 : 0;
    snprintf(label, sizeof(label), "%s요일", WDAY_SHORT[wd]);

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "DATE", date);
    tx_buf_setlong(ctx->out, "WDAY", (long)wd);
    tx_buf_sets(ctx->out, "WDAYNM", WDAY_SHORT[wd]);
    tx_buf_sets(ctx->out, "WDAYLABEL", label);
    tx_buf_sets(ctx->out, "WEEKEND", weekend ? "Y" : "N");
    tx_log(TX_LOG_INFO, "[CM_OL_0019] 계산완료 date=%s 요일=%s 주말=%s",
           date, label, weekend ? "Y" : "N");
    tx_return(ctx, TX_OK, ctx->out);
}
