/* @tier easy @module mm @transform master-online */
/*
 * mm_ol_0010.pgc - 카드 BIN 등록 서비스 (MM_OL_0010)  [tier=easy]
 *
 * 신규 카드 BIN 을 마스터(mm_card_bin)에 등록한다. 동일 BIN 중복이면
 * 반려하고, 등록 후 BIN 변경이력(mm_bin_hist) 에 'I' 이벤트를 남긴다.
 * (CRUD + 이력)
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(MM_OL_0010, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_bin[7];
    char h_issuer_cd[8];
    char h_card_gb[4];
    char h_brand[16];
    char h_valid_yn[2];
    char h_reg_date[9];
    long h_dup;
    EXEC SQL END DECLARE SECTION;

    char bin[7];
    char issuer_cd[8];
    char card_gb[4];
    char brand[16];
    int  i;

    tx_log(TX_LOG_INFO, "[MM_OL_0010] 카드 BIN 등록 서비스 진입");

    if (tx_buf_get(ctx->in, "BIN", bin, sizeof(bin)) != TX_OK ||
        tx_buf_get(ctx->in, "ISSUERCD", issuer_cd, sizeof(issuer_cd)) != TX_OK ||
        tx_buf_get(ctx->in, "CARDGB", card_gb, sizeof(card_gb)) != TX_OK ||
        tx_buf_get(ctx->in, "BRAND", brand, sizeof(brand)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[MM_OL_0010] 필수 필드 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1000");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* BIN 형식검증: 숫자 6자리 */
    if (strlen(bin) != 6) {
        tx_log(TX_LOG_WARN, "[MM_OL_0010] BIN 길이오류 bin=%s", bin);
        tx_buf_sets(ctx->out, "ERRCODE", "MM1001");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    for (i = 0; i < 6; i++) {
        if (bin[i] < '0' || bin[i] > '9') {
            tx_log(TX_LOG_WARN, "[MM_OL_0010] BIN 숫자아님 bin=%s", bin);
            tx_buf_sets(ctx->out, "ERRCODE", "MM1001");
            tx_return(ctx, TX_EINVAL, ctx->out);
            return;
        }
    }

    strncpy(h_bin, bin, sizeof(h_bin) - 1);
    h_bin[sizeof(h_bin) - 1] = '\0';
    strncpy(h_issuer_cd, issuer_cd, sizeof(h_issuer_cd) - 1);
    h_issuer_cd[sizeof(h_issuer_cd) - 1] = '\0';
    strncpy(h_card_gb, card_gb, sizeof(h_card_gb) - 1);
    h_card_gb[sizeof(h_card_gb) - 1] = '\0';
    strncpy(h_brand, brand, sizeof(h_brand) - 1);
    h_brand[sizeof(h_brand) - 1] = '\0';
    strncpy(h_valid_yn, "Y", sizeof(h_valid_yn) - 1);
    h_valid_yn[sizeof(h_valid_yn) - 1] = '\0';
    date_today(h_reg_date);

    /* 중복 BIN 체크 */
    EXEC SQL
        SELECT COUNT(*) INTO :h_dup
          FROM mm_card_bin
         WHERE bin = :h_bin;

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT dup mm_card_bin");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1002");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    if (h_dup > 0) {
        tx_log(TX_LOG_WARN, "[MM_OL_0010] BIN 중복 bin=%s", bin);
        tx_buf_sets(ctx->out, "ERRCODE", "MM1003");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[MM_OL_0010] tx_begin 경고");

    EXEC SQL
        INSERT INTO mm_card_bin
               (bin, issuer_cd, card_gb, brand_nm, valid_yn, reg_date)
        VALUES (:h_bin, :h_issuer_cd, :h_card_gb, :h_brand, :h_valid_yn, :h_reg_date);

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT mm_card_bin");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM1004");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    EXEC SQL
        INSERT INTO mm_bin_hist
               (bin, chg_type, issuer_cd, chg_date)
        VALUES (:h_bin, 'I', :h_issuer_cd, :h_reg_date);

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT mm_bin_hist");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM1005");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "BIN", bin);
    tx_buf_sets(ctx->out, "ISSUERCD", issuer_cd);
    tx_buf_sets(ctx->out, "CARDGB", card_gb);
    tx_buf_sets(ctx->out, "VALIDYN", h_valid_yn);
    tx_buf_sets(ctx->out, "REGDATE", h_reg_date);
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[MM_OL_0010] BIN 등록완료 bin=%s issuer=%s", bin, issuer_cd);
    tx_return(ctx, TX_OK, ctx->out);
}
