/* @tier hard @module mg @transform msg-gateway-dbio */
/*
 * mg_io_0008.pgc - 전문게이트웨이 보조 DBIO (ECPG)  [tier=hard]
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "mg_io_0008.h"

EXEC SQL INCLUDE sqlca;

int mg_io_0008_fetch(const char *key, long *out_amount)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16];
    long h_amount;
    EXEC SQL END DECLARE SECTION;

    if (!key || !out_amount)
        return TX_EINVAL;

    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';

    EXEC SQL DECLARE cur_mg_io_0008_f CURSOR FOR
        SELECT appr_amt FROM mg_io_0008_dtl_t
        WHERE mcht_no = :h_key ORDER BY seq DESC;
    EXEC SQL OPEN cur_mg_io_0008_f;
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("mg_io_0008_fetch");
        return TX_EDB;
    }
    EXEC SQL FETCH cur_mg_io_0008_f INTO :h_amount;
    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        EXEC SQL CLOSE cur_mg_io_0008_f;
        return TX_ENOENT;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("mg_io_0008_fetch");
        EXEC SQL CLOSE cur_mg_io_0008_f;
        return TX_EDB;
    }
    EXEC SQL CLOSE cur_mg_io_0008_f;

    *out_amount = h_amount;
    return TX_OK;
}

int mg_io_0008_touch(const char *key, long amount)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16];
    long h_amount;
    EXEC SQL END DECLARE SECTION;

    if (!key)
        return TX_EINVAL;

    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    h_amount = amount;

    EXEC SQL UPDATE mg_io_0008_acc_t
        SET accum_amt = accum_amt + :h_amount, cnt = cnt + 1, upd_ts = now()
        WHERE mcht_no = :h_key;

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("mg_io_0008_touch");
        return TX_EDB;
    }
    if (sqlca.sqlerrd[2] == 0)
        return TX_ENOENT;
    return TX_OK;
}

long mg_io_0008_total(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_biz_date[9];
    long h_cnt;
    EXEC SQL END DECLARE SECTION;

    if (!biz_date)
        return -1;

    strncpy(h_biz_date, biz_date, sizeof(h_biz_date) - 1);
    h_biz_date[sizeof(h_biz_date) - 1] = '\0';

    EXEC SQL SELECT count(DISTINCT mcht_no)
        INTO :h_cnt
        FROM mg_io_0008_dtl_t
        WHERE biz_date = :h_biz_date;

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("mg_io_0008_total");
        return -1;
    }
    return h_cnt;
}