/* @tier medium @module py @transform payment-online */
/*
 * py_ol_0002.pgc - 지급 등록(지급요청 접수 INSERT) (PY_OL_0002)  [tier=medium]
 *
 * TxCore TX_SERVICE 엔트리. 요청 TXBUF 를 검증하고 임베디드 SQL / 표준
 * DBIO / tx_call 로 처리한 뒤 응답 TXBUF 를 구성한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "py_core.h"

EXEC SQL INCLUDE sqlca;

TX_SERVICE(PY_OL_0002, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16], h_merch[16], h_acct[20], h_bdate[9];
    long h_amount, h_fee;
    int  h_dup;
    EXEC SQL END DECLARE SECTION;

    char key[16], merch[16], acct[20], bdate[16];
    long amount = 0;

    tx_log(TX_LOG_INFO, "[PY_OL_0002] 지급 등록 진입");
    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK ||
        tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_get(ctx->in, "ACCTNO", acct, sizeof(acct)) != TX_OK)
        strcpy(acct, "000000");
    if (tx_buf_get(ctx->in, "BIZDATE", bdate, sizeof(bdate)) != TX_OK)
        date_today(bdate);
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);
    if (!amount_is_valid(amount)) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_key, key, 15); h_key[15] = '\0';
    EXEC SQL SELECT count(*) INTO :h_dup FROM py_ledger WHERE key = :h_key;
    if (sqlca.sqlcode == TX_SQL_OK && h_dup > 0) {
        tx_log(TX_LOG_WARN, "[PY_OL_0002] 중복 지급키 key=%s", key);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    strncpy(h_merch, merch, 15); h_merch[15] = '\0';
    strncpy(h_acct, acct, 19);   h_acct[19] = '\0';
    strncpy(h_bdate, bdate, 8);  h_bdate[8] = '\0';
    h_amount = amount;
    h_fee    = amount * 15 / 10000;   /* 지급 수수료 0.15% */

    if (tx_begin() != TX_OK) tx_log(TX_LOG_WARN, "[PY_OL_0002] tx_begin 경고");
    EXEC SQL INSERT INTO py_ledger (key, merch_id, card_no, amount, biz_date, status, fee)
        VALUES (:h_key, :h_merch, :h_acct, :h_amount, :h_bdate, 'R', :h_fee);
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("py_ol_0002 INSERT");
        tx_abort();
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_setlong(ctx->out, "NETAMT", h_amount - h_fee);
    tx_log(TX_LOG_INFO, "[PY_OL_0002] 지급등록 완료 key=%s net=%ld", key, h_amount - h_fee);
    tx_return(ctx, TX_OK, ctx->out);
}