/* @tier medium @module au @transform authorization-online */
/*
 * au_ol_0002.pgc - 승인 접수등록(중복검사+INSERT) (AU_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 "au_core.h"

EXEC SQL INCLUDE sqlca;

TX_SERVICE(AU_OL_0002, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16], h_merch[16], h_card[20], h_bdate[9], h_status[2];
    long h_amount, h_fee;
    int  h_dup;
    EXEC SQL END DECLARE SECTION;

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

    tx_log(TX_LOG_INFO, "[AU_OL_0002] 승인 접수등록 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_buf_get(ctx->in, "BIZDATE", bdate, sizeof(bdate)) != TX_OK) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_get(ctx->in, "CARDNO", card, sizeof(card)) != TX_OK)
        strcpy(card, "0000");
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);
    if (!amount_is_valid(amount) || !date_is_valid(bdate)) {
        tx_log(TX_LOG_WARN, "[AU_OL_0002] 금액/영업일 오류");
        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 au_ledger WHERE key = :h_key;
    if (sqlca.sqlcode == TX_SQL_OK && h_dup > 0) {
        tx_log(TX_LOG_WARN, "[AU_OL_0002] 중복 승인키 key=%s", key);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    strncpy(h_merch, merch, 15); h_merch[15] = '\0';
    strncpy(h_card, card, 19);   h_card[19] = '\0';
    strncpy(h_bdate, bdate, 8);  h_bdate[8] = '\0';
    strncpy(h_status, AU_ST_RECV, 1); h_status[1] = '\0';
    h_amount = amount;
    h_fee    = amount / 100;

    if (tx_begin() != TX_OK) tx_log(TX_LOG_WARN, "[AU_OL_0002] tx_begin 경고");
    EXEC SQL INSERT INTO au_ledger (key, merch_id, card_no, amount, biz_date, status, fee)
        VALUES (:h_key, :h_merch, :h_card, :h_amount, :h_bdate, :h_status, :h_fee);
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("au_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, "FEE", h_fee);
    tx_log(TX_LOG_INFO, "[AU_OL_0002] 접수완료 key=%s fee=%ld", key, h_fee);
    tx_return(ctx, TX_OK, ctx->out);
}