/* @tier easy @module vl @transform validation-online */
/*
 * vl_ol_0023.pgc - 카드사별 불일치 집계 서비스 (VL_OL_0023)  [tier=easy]
 *
 * 입력 카드사코드(issuer_cd) 의 불일치(status='U') 건수와 금액합계를
 * 원장에서 집계하여 응답한다.
 */
#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_0023, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_issuer[4];
    char h_bizdate[9];
    long h_fail_cnt;
    long h_fail_amt;
    EXEC SQL END DECLARE SECTION;

    char issuer[8];
    char bizdate[16];

    tx_log(TX_LOG_INFO, "[VL_OL_0023] 카드사별 불일치 집계 서비스 진입");

    if (tx_buf_get(ctx->in, "ISSUER", issuer, sizeof(issuer)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0023] 카드사코드(ISSUER) 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "VL2300");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (strlen(issuer) == 0 || strlen(issuer) > 3) {
        tx_log(TX_LOG_WARN, "[VL_OL_0023] 카드사코드 길이 오류 issuer=%s", issuer);
        tx_buf_sets(ctx->out, "ERRCODE", "VL2301");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_get(ctx->in, "BIZDATE", bizdate, sizeof(bizdate)) != TX_OK ||
        !date_is_valid(bizdate)) {
        tx_log(TX_LOG_WARN, "[VL_OL_0023] 영업일 오류");
        tx_buf_sets(ctx->out, "ERRCODE", "VL2302");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_issuer, issuer, sizeof(h_issuer) - 1);
    h_issuer[sizeof(h_issuer) - 1] = '\0';
    strncpy(h_bizdate, bizdate, sizeof(h_bizdate) - 1);
    h_bizdate[sizeof(h_bizdate) - 1] = '\0';

    h_fail_cnt = 0;
    h_fail_amt = 0;
    EXEC SQL
        SELECT COUNT(*), COALESCE(SUM(amount), 0)
          INTO :h_fail_cnt, :h_fail_amt
          FROM vl_ledger
         WHERE issuer_cd = :h_issuer
           AND biz_date  = :h_bizdate
           AND status    = 'U';

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT 카드사불일치 vl_ledger");
        tx_buf_sets(ctx->out, "ERRCODE", "VL2309");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "ISSUER", issuer);
    tx_buf_sets(ctx->out, "BIZDATE", bizdate);
    tx_buf_setlong(ctx->out, "FAILCNT", h_fail_cnt);
    tx_buf_setlong(ctx->out, "FAILAMT", h_fail_amt);
    tx_buf_sets(ctx->out, "RESULT", (h_fail_cnt > 0) ? "HASFAIL" : "CLEAN");
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);

    tx_log(TX_LOG_INFO, "[VL_OL_0023] 카드사=%s date=%s 불일치=%ld 금액=%ld",
           issuer, bizdate, h_fail_cnt, h_fail_amt);
    tx_return(ctx, TX_OK, ctx->out);
}
