/* @tier medium @module mm @transform master-online */
/*
 * mm_ol_0014.pgc - 공통코드 등록 서비스 (MM_OL_0014)  [tier=medium]
 *
 * 신규 공통코드를 마스터(mm_common_code)에 등록한다. 그룹+코드 조합이
 * 중복이면 반려하고, 정렬순서는 요청값이 없으면 그룹내 최대순서+10 으로
 * 자동채번한다. (CRUD)
 */
#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_0014, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_code_grp[8];
    char h_code[8];
    char h_code_nm[64];
    char h_use_yn[2];
    char h_reg_date[9];
    long h_sort_no;
    long h_max_sort;
    long h_dup;
    EXEC SQL END DECLARE SECTION;

    char code_grp[8];
    char code[8];
    char code_nm[64];
    long sort_no = 0;

    tx_log(TX_LOG_INFO, "[MM_OL_0014] 공통코드 등록 서비스 진입");

    if (tx_buf_get(ctx->in, "CODEGRP", code_grp, sizeof(code_grp)) != TX_OK ||
        tx_buf_get(ctx->in, "CODE", code, sizeof(code)) != TX_OK ||
        tx_buf_get(ctx->in, "CODENM", code_nm, sizeof(code_nm)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[MM_OL_0014] 필수 필드 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1400");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "SORTNO", &sort_no);

    strncpy(h_code_grp, code_grp, sizeof(h_code_grp) - 1);
    h_code_grp[sizeof(h_code_grp) - 1] = '\0';
    strncpy(h_code, code, sizeof(h_code) - 1);
    h_code[sizeof(h_code) - 1] = '\0';
    strncpy(h_code_nm, code_nm, sizeof(h_code_nm) - 1);
    h_code_nm[sizeof(h_code_nm) - 1] = '\0';
    strncpy(h_use_yn, "Y", sizeof(h_use_yn) - 1);
    h_use_yn[sizeof(h_use_yn) - 1] = '\0';
    date_today(h_reg_date);

    /* 그룹+코드 중복체크 */
    EXEC SQL
        SELECT COUNT(*) INTO :h_dup
          FROM mm_common_code
         WHERE code_grp = :h_code_grp
           AND code     = :h_code;

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT dup mm_common_code");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1401");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    if (h_dup > 0) {
        tx_log(TX_LOG_WARN, "[MM_OL_0014] 코드 중복 grp=%s code=%s", code_grp, code);
        tx_buf_sets(ctx->out, "ERRCODE", "MM1402");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    /* 정렬순서 자동채번 (요청값 없으면 그룹내 최대+10) */
    if (sort_no > 0) {
        h_sort_no = sort_no;
    } else {
        h_max_sort = 0;
        EXEC SQL
            SELECT COALESCE(MAX(sort_no), 0) INTO :h_max_sort
              FROM mm_common_code
             WHERE code_grp = :h_code_grp;

        if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
            TX_DBIO_LOG_ERR("SELECT max sort mm_common_code");
            tx_buf_sets(ctx->out, "ERRCODE", "MM1403");
            tx_return(ctx, TX_EDB, ctx->out);
            return;
        }
        h_sort_no = h_max_sort + 10;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[MM_OL_0014] tx_begin 경고");

    EXEC SQL
        INSERT INTO mm_common_code
               (code_grp, code, code_nm, use_yn, sort_no, reg_date)
        VALUES (:h_code_grp, :h_code, :h_code_nm, :h_use_yn, :h_sort_no, :h_reg_date);

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT mm_common_code");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM1404");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "CODEGRP", code_grp);
    tx_buf_sets(ctx->out, "CODE", code);
    tx_buf_sets(ctx->out, "CODENM", code_nm);
    tx_buf_sets(ctx->out, "USEYN", h_use_yn);
    tx_buf_setlong(ctx->out, "SORTNO", h_sort_no);
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[MM_OL_0014] 공통코드 등록완료 grp=%s code=%s sort=%ld",
           code_grp, code, h_sort_no);
    tx_return(ctx, TX_OK, ctx->out);
}
