/* @tier medium @module mm @transform master-online */
/*
 * mm_ol_0002.pgc - 가맹점 등록 서비스 (MM_OL_0002)  [tier=medium]
 *
 * 신규 가맹점 마스터를 등록하고 변경이력(mm_merchant_hist) 에 등록('I')
 * 이벤트를 남긴다. 사업자번호 중복이면 반려한다. (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_0002, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_merch_id[16];
    char h_merch_nm[64];
    char h_biz_no[16];
    char h_status[2];
    char h_reg_date[9];
    long h_dup;
    EXEC SQL END DECLARE SECTION;

    char merch_id[16];
    char merch_nm[64];
    char biz_no[16];

    tx_log(TX_LOG_INFO, "[MM_OL_0002] 가맹점 등록 서비스 진입");

    if (tx_buf_get(ctx->in, "MERCHID", merch_id, sizeof(merch_id)) != TX_OK ||
        tx_buf_get(ctx->in, "MERCHNM", merch_nm, sizeof(merch_nm)) != TX_OK ||
        tx_buf_get(ctx->in, "BIZNO",   biz_no,   sizeof(biz_no))   != TX_OK) {
        tx_log(TX_LOG_ERROR, "[MM_OL_0002] 필수 필드 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "MM0200");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_merch_id, merch_id, sizeof(h_merch_id) - 1);
    h_merch_id[sizeof(h_merch_id) - 1] = '\0';
    strncpy(h_merch_nm, merch_nm, sizeof(h_merch_nm) - 1);
    h_merch_nm[sizeof(h_merch_nm) - 1] = '\0';
    strncpy(h_biz_no, biz_no, sizeof(h_biz_no) - 1);
    h_biz_no[sizeof(h_biz_no) - 1] = '\0';
    strncpy(h_status, MM_ST_RECV, sizeof(h_status));
    date_today(h_reg_date);

    EXEC SQL SELECT COUNT(*) INTO :h_dup
          FROM mm_merchant
         WHERE biz_no = :h_biz_no;

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT dup mm_merchant");
        tx_buf_sets(ctx->out, "ERRCODE", "MM0209");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    if (h_dup > 0) {
        tx_log(TX_LOG_WARN, "[MM_OL_0002] 사업자번호 중복 biz_no=%s", biz_no);
        tx_buf_sets(ctx->out, "ERRCODE", "MM0201");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[MM_OL_0002] tx_begin 경고");

    EXEC SQL INSERT INTO mm_merchant (merch_id, merch_nm, biz_no, status, reg_date)
        VALUES (:h_merch_id, :h_merch_nm, :h_biz_no, :h_status, :h_reg_date);

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT mm_merchant");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM0202");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    EXEC SQL INSERT INTO mm_merchant_hist (merch_id, chg_type, chg_date, chg_status)
        VALUES (:h_merch_id, 'I', :h_reg_date, :h_status);

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT mm_merchant_hist");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM0203");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "MERCHID", merch_id);
    tx_buf_sets(ctx->out, "STATUS", h_status);
    tx_buf_sets(ctx->out, "REGDATE", h_reg_date);
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[MM_OL_0002] 가맹점 등록완료 merch=%s", merch_id);
    tx_return(ctx, TX_OK, ctx->out);
}