/* @tier medium @module cm @transform common-online */
/*
 * cm_ol_0010.pgc - 공통코드 캐시 로더 서비스 (CM_OL_0010)  [tier=medium]
 *
 * 요청의 코드그룹(GRP)에 속한 유효 공통코드를 커서로 전량 순회하며
 * 로드 건수를 집계한다. 첫 코드/마지막 코드를 함께 반환하여 캐시
 * 적재 결과를 확인할 수 있게 한다. (기동 시 캐시 워밍업 용도)
 * (ATMI void SVC(TPSVCINFO*) 대응)
 */
#include <stdio.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(CM_OL_0010, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_grp[16];
    char h_code[16];
    char h_name[64];
    EXEC SQL END DECLARE SECTION;

    char grp[16];
    char first_code[16];
    char last_code[16];
    long loaded;
    int  cur_open;

    tx_log(TX_LOG_INFO, "[CM_OL_0010] 공통코드 캐시 로더 서비스 진입");

    memset(grp, 0, sizeof(grp));
    memset(first_code, 0, sizeof(first_code));
    memset(last_code, 0, sizeof(last_code));
    loaded   = 0;
    cur_open = 0;

    if (tx_buf_get(ctx->in, "GRP", grp, sizeof(grp)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[CM_OL_0010] 코드그룹(GRP) 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    memset(h_grp, 0, sizeof(h_grp));
    strncpy(h_grp, grp, sizeof(h_grp) - 1);

    EXEC SQL
        DECLARE cur_code CURSOR FOR
        SELECT code_cd, code_name
          FROM cm_code
         WHERE grp_cd = :h_grp
           AND use_yn = 'Y'
         ORDER BY sort_no, code_cd;

    EXEC SQL OPEN cur_code;
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("CM_OL_0010 OPEN cur_code");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    cur_open = 1;

    for (;;) {
        memset(h_code, 0, sizeof(h_code));
        memset(h_name, 0, sizeof(h_name));

        EXEC SQL FETCH cur_code INTO :h_code, :h_name;

        if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
            break;
        }
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("CM_OL_0010 FETCH cur_code");
            EXEC SQL CLOSE cur_code;
            tx_return(ctx, TX_EDB, ctx->out);
            return;
        }

        if (loaded == 0) {
            strncpy(first_code, h_code, sizeof(first_code) - 1);
        }
        strncpy(last_code, h_code, sizeof(last_code) - 1);
        loaded++;
    }

    if (cur_open) {
        EXEC SQL CLOSE cur_code;
    }

    if (loaded == 0) {
        tx_log(TX_LOG_WARN, "[CM_OL_0010] 적재 대상 없음 grp=%s", grp);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "GRP", grp);
    tx_buf_setlong(ctx->out, "LOADCNT", loaded);
    tx_buf_sets(ctx->out, "FIRSTCODE", first_code);
    tx_buf_sets(ctx->out, "LASTCODE", last_code);

    tx_log(TX_LOG_INFO, "[CM_OL_0010] 캐시적재 완료 grp=%s 건수=%ld", grp, loaded);
    tx_return(ctx, TX_OK, ctx->out);
}
