/* @tier medium @module ac @transform acquire-online */
/*
 * ac_ol_0015.pgc - 매입 온라인 서비스 (AC_OL_0015)  [tier=medium]
 *
 * 카드사별 매입분류: KEY 원장의 카드번호 BIN(앞 2자리)으로 카드사 코드를
 * 판별한다('94'→KB, '95'→SH, '96'→HN, 그 외 ETC). 판별한 코드를
 * ac_ledger.corp_cd 에 반영한다.
 */
#include <stdio.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(AC_OL_0015, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16];
    char h_card[20];
    char h_corp[8];
    EXEC SQL END DECLARE SECTION;

    char key[16];
    char card[20];
    char bin[3];
    char corp[8];

    tx_log(TX_LOG_INFO, "[AC_OL_0015] 카드사별 매입분류 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AC_OL_0015] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

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

    EXEC SQL SELECT card_no
        INTO :h_card
        FROM ac_ledger
        WHERE key = :h_key;

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[AC_OL_0015] 원장 없음 key=%s", key);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("AC_OL_0015 ac_ledger select");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    strncpy(card, h_card, sizeof(card) - 1);
    card[sizeof(card) - 1] = '\0';

    bin[0] = card[0];
    bin[1] = card[1];
    bin[2] = '\0';

    if (strcmp(bin, "94") == 0) {
        strcpy(corp, "KB");
    } else if (strcmp(bin, "95") == 0) {
        strcpy(corp, "SH");
    } else if (strcmp(bin, "96") == 0) {
        strcpy(corp, "HN");
    } else {
        strcpy(corp, "ETC");
    }

    strncpy(h_corp, corp, sizeof(h_corp) - 1);
    h_corp[sizeof(h_corp) - 1] = '\0';

    EXEC SQL UPDATE ac_ledger
        SET corp_cd = :h_corp, upd_ts = now()
        WHERE key = :h_key;

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("AC_OL_0015 ac_ledger update");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    if (sqlca.sqlerrd[2] == 0) {
        tx_log(TX_LOG_WARN, "[AC_OL_0015] 갱신대상 원장 없음 key=%s", key);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "CORP", corp);
    tx_log(TX_LOG_INFO, "[AC_OL_0015] 카드사분류 완료 key=%s bin=%s corp=%s", key, bin, corp);
    tx_return(ctx, TX_OK, ctx->out);
}
