/* @tier easy @module vl @transform validation-online */
/*
 * vl_ol_0008.pgc - 일자 정합성 검증 서비스 (VL_OL_0008)
 *
 * 처리키에 매핑된 일자정보(vl_date_map) 의 거래일/영업일/정산예정일을 조회하여
 * 각 일자의 형식(date_is_valid) 과 순서(거래일 <= 정산예정일) 정합성을 검증한다.
 * 형식 오류 또는 역전 시 불일치(VL08xx) 로 판정한다.
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(VL_OL_0008, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16];
    char h_txn_date[9];
    char h_biz_date[9];
    char h_settle_date[9];
    EXEC SQL END DECLARE SECTION;

    char key[16];

    tx_log(TX_LOG_INFO, "[VL_OL_0008] 일자 정합성 검증 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0008] KEY 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0800");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 1) 일자정보 조회 */
    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    memset(h_txn_date, 0, sizeof(h_txn_date));
    memset(h_biz_date, 0, sizeof(h_biz_date));
    memset(h_settle_date, 0, sizeof(h_settle_date));

    EXEC SQL
        SELECT txn_date, biz_date, settle_date
          INTO :h_txn_date, :h_biz_date, :h_settle_date
          FROM vl_date_map
         WHERE txn_key = :h_key;

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[VL_OL_0008] 일자정보 없음 key=%s", key);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0801");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT vl_date_map");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0809");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "TXNDATE", h_txn_date);
    tx_buf_sets(ctx->out, "BIZDATE", h_biz_date);
    tx_buf_sets(ctx->out, "SETTLEDATE", h_settle_date);

    /* 2) 형식 검증 */
    if (!date_is_valid(h_txn_date) || !date_is_valid(h_biz_date) ||
        !date_is_valid(h_settle_date)) {
        tx_log(TX_LOG_WARN, "[VL_OL_0008] 일자 형식 오류 key=%s txn=%s settle=%s",
               key, h_txn_date, h_settle_date);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0802");
        tx_return(ctx, TX_OK, ctx->out);
        return;
    }

    /* 3) 순서 검증: 거래일 <= 정산예정일 */
    if (strcmp(h_txn_date, h_settle_date) > 0) {
        tx_log(TX_LOG_WARN, "[VL_OL_0008] 일자 역전 key=%s txn=%s > settle=%s",
               key, h_txn_date, h_settle_date);
        tx_buf_sets(ctx->out, "RESULT", "MISMATCH");
        tx_buf_sets(ctx->out, "ERRCODE", "VL0803");
        tx_return(ctx, TX_OK, ctx->out);
        return;
    }

    tx_buf_sets(ctx->out, "RESULT", "MATCH");
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[VL_OL_0008] 일자 정합 key=%s txn=%s settle=%s",
           key, h_txn_date, h_settle_date);
    tx_return(ctx, TX_OK, ctx->out);
}
