/* @tier easy @module cm @transform common-online */
/*
 * cm_ol_0015.pgc - 통계 공통 조회 서비스 (CM_OL_0015)  [tier=easy]
 *
 * 요청의 영업일(DATE)에 대해 cm 표준 DBIO(cm_rec_count/cm_rec_sum)를
 * 조합하여 상태별 건수(접수/완료/실패/정산)와 총 거래금액을 집계해
 * 응답한다. 아울러 cm_ledger 원장을 직접 집계(SELECT)하여 총건수/금액/
 * 수수료합계를 산출하고 DBIO 집계와 교차검증한다.
 * (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_0015, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_date[9];
    long h_db_cnt;
    long h_db_amt;
    long h_db_fee;
    EXEC SQL END DECLARE SECTION;

    char date[16];
    long c_recv, c_done, c_fail, c_settled, c_total;
    long sum_amt = 0;
    long recon_diff;
    int  rc;

    tx_log(TX_LOG_INFO, "[CM_OL_0015] 통계 공통 조회 서비스 진입");

    if (tx_buf_get(ctx->in, "DATE", date, sizeof(date)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[CM_OL_0015] DATE 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    if (!date_is_valid(date)) {
        tx_log(TX_LOG_WARN, "[CM_OL_0015] 유효하지 않은 영업일 date=%s", date);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 상태별 건수 집계 (음수는 조회 오류 → 0 처리) */
    c_recv    = cm_rec_count(date, CM_ST_RECV);
    c_done    = cm_rec_count(date, CM_ST_DONE);
    c_fail    = cm_rec_count(date, CM_ST_FAIL);
    c_settled = cm_rec_count(date, CM_ST_SETTLED);

    if (c_recv < 0)    c_recv = 0;
    if (c_done < 0)    c_done = 0;
    if (c_fail < 0)    c_fail = 0;
    if (c_settled < 0) c_settled = 0;
    c_total = c_recv + c_done + c_fail + c_settled;

    /* 당일 총 거래금액 합계 */
    rc = cm_rec_sum(date, &sum_amt);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[CM_OL_0015] 합계 조회 경고 date=%s rc=%d", date, rc);
        sum_amt = 0;
    }

    /* 원장 직접 집계 (건수/금액/수수료 합계) 로 DBIO 결과 교차검증 */
    strncpy(h_date, date, sizeof(h_date) - 1);
    h_date[sizeof(h_date) - 1] = '\0';
    h_db_cnt = 0;
    h_db_amt = 0;
    h_db_fee = 0;

    EXEC SQL SELECT count(*), coalesce(sum(amount), 0), coalesce(sum(fee), 0)
        INTO :h_db_cnt, :h_db_amt, :h_db_fee
        FROM cm_ledger
        WHERE biz_date = :h_date;

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("CM_OL_0015 direct aggregate");
        h_db_cnt = 0;
        h_db_amt = 0;
        h_db_fee = 0;
    }
    recon_diff = c_total - h_db_cnt;

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "DATE", date);
    tx_buf_setlong(ctx->out, "CNTRECV", c_recv);
    tx_buf_setlong(ctx->out, "CNTDONE", c_done);
    tx_buf_setlong(ctx->out, "CNTFAIL", c_fail);
    tx_buf_setlong(ctx->out, "CNTSETTLED", c_settled);
    tx_buf_setlong(ctx->out, "CNTTOTAL", c_total);
    tx_buf_setlong(ctx->out, "SUMAMT", sum_amt);
    tx_buf_setlong(ctx->out, "DBCOUNT", h_db_cnt);
    tx_buf_setlong(ctx->out, "DBAMT", h_db_amt);
    tx_buf_setlong(ctx->out, "SUMFEE", h_db_fee);
    tx_buf_setlong(ctx->out, "RECONDIFF", recon_diff);
    tx_buf_sets(ctx->out, "RECONMATCH", (recon_diff == 0) ? "Y" : "N");
    tx_log(TX_LOG_INFO,
           "[CM_OL_0015] 집계완료 date=%s 총건=%ld 완료=%ld 합계=%ld 수수료=%ld",
           date, c_total, c_done, sum_amt, h_db_fee);
    tx_return(ctx, TX_OK, ctx->out);
}