/* @tier hard @module mm @transform master-online */
/*
 * mm_ol_0011.pgc - 카드사 마스터 조회 서비스 (MM_OL_0011)  [tier=hard]
 *
 * 카드사코드(issuer_cd)로 카드사 마스터(mm_issuer)를 조회하여 카드사명
 * (issuer_nm)/정산은행(settle_bank)/상태(status)를 반환하고, 등록된 BIN
 * 건수(mm_card_bin)를 함께 집계한다. (조회)
 */
#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_0011, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_issuer_cd[8];
    char h_issuer_nm[64];
    char h_settle_bank[8];
    char h_status[2];
    long h_bin_cnt;
    EXEC SQL END DECLARE SECTION;

    char issuer_cd[8];

    tx_log(TX_LOG_INFO, "[MM_OL_0011] 카드사 마스터 조회 서비스 진입");

    if (tx_buf_get(ctx->in, "ISSUERCD", issuer_cd, sizeof(issuer_cd)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[MM_OL_0011] ISSUERCD 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1100");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_issuer_cd, issuer_cd, sizeof(h_issuer_cd) - 1);
    h_issuer_cd[sizeof(h_issuer_cd) - 1] = '\0';

    EXEC SQL SELECT issuer_nm, settle_bank, status
          INTO :h_issuer_nm, :h_settle_bank, :h_status
          FROM mm_issuer
         WHERE issuer_cd = :h_issuer_cd;

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[MM_OL_0011] 미등록 카드사 issuer=%s", issuer_cd);
        tx_buf_sets(ctx->out, "ERRCODE", "MM1101");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT mm_issuer");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1102");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 해당 카드사에 등록된 유효 BIN 건수 집계 */
    EXEC SQL SELECT COUNT(*) INTO :h_bin_cnt
          FROM mm_card_bin
         WHERE issuer_cd = :h_issuer_cd
           AND valid_yn  = 'Y';

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT bin cnt mm_card_bin");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1103");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "ISSUERCD", issuer_cd);
    tx_buf_sets(ctx->out, "ISSUERNM", h_issuer_nm);
    tx_buf_sets(ctx->out, "SETTLEBANK", h_settle_bank);
    tx_buf_sets(ctx->out, "STATUS", h_status);
    tx_buf_setlong(ctx->out, "BINCNT", (h_bin_cnt < 0) ? 0 : h_bin_cnt);
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[MM_OL_0011] 조회완료 issuer=%s 명=%s BIN=%ld",
           issuer_cd, h_issuer_nm, h_bin_cnt);
    tx_return(ctx, TX_OK, ctx->out);
}
