/* @tier hard @module py @transform payment-online */
/*
 * py_ol_0003.pgc - 지급 계좌검증 연계(tx_call 계좌실명) (PY_OL_0003)  [tier=hard]
 *
 * TxCore TX_SERVICE 엔트리. 요청 TXBUF 를 검증하고 임베디드 SQL / 표준
 * DBIO / tx_call 로 처리한 뒤 응답 TXBUF 를 구성한다. 외부 실명연계 전
 * 지급계좌 마스터(py_account)를 임베디드 조회하여 사전검증한다.
 */
#include <stdio.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(PY_OL_0003, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_acct[24];
    char h_holder[41];
    char h_acct_status[2];
    EXEC SQL END DECLARE SECTION;

    char key[16];
    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[PY_OL_0003] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    TXBUF *req;
    char acct[20], vresp[8];
    int  rc;

    tx_log(TX_LOG_INFO, "[PY_OL_0003] 지급 계좌검증 진입");
    if (tx_buf_get(ctx->in, "ACCTNO", acct, sizeof(acct)) != TX_OK) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 사전검증: 지급계좌 마스터에 등록/정상('N') 여부 확인 */
    strncpy(h_acct, acct, sizeof(h_acct) - 1);
    h_acct[sizeof(h_acct) - 1] = '\0';
    memset(h_holder, 0, sizeof(h_holder));
    memset(h_acct_status, 0, sizeof(h_acct_status));

    EXEC SQL SELECT holder_name, acct_status
        INTO :h_holder, :h_acct_status
        FROM py_account
        WHERE acct_no = :h_acct;

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[PY_OL_0003] 미등록 계좌 acct=%s", acct);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_buf_sets(ctx->out, "VALID", "N");
        tx_buf_sets(ctx->out, "REASON", "ACCT_NOT_FOUND");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT py_account");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    if (memcmp(h_acct_status, "N", 1) != 0) {
        tx_log(TX_LOG_WARN, "[PY_OL_0003] 계좌상태 비정상 acct=%s status=%s",
               acct, h_acct_status);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_buf_sets(ctx->out, "VALID", "N");
        tx_buf_sets(ctx->out, "REASON", "ACCT_INACTIVE");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    req = tx_buf_alloc();
    if (!req) { tx_return(ctx, TX_ENOMEM, ctx->out); return; }
    tx_buf_sets(req, "KEY", key);
    tx_buf_sets(req, "ACCTNO", acct);
    tx_buf_sets(req, "HOLDER", h_holder);

    rc = tx_call("PY_ACCTCHK", req, ctx->out);
    tx_buf_free(req);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[PY_OL_0003] 계좌검증 연계실패 rc=%d", rc);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, rc, ctx->out);
        return;
    }
    if (tx_buf_get(ctx->out, "RESPCODE", vresp, sizeof(vresp)) != TX_OK)
        strcpy(vresp, RESP_OK);

    tx_buf_sets(ctx->out, "HOLDER", h_holder);
    tx_buf_sets(ctx->out, "VALID", (strcmp(vresp, RESP_OK) == 0) ? "Y" : "N");
    tx_log(TX_LOG_INFO, "[PY_OL_0003] 계좌검증 acct=%s resp=%s holder=%s",
           acct, vresp, h_holder);
    tx_return(ctx, (strcmp(vresp, RESP_OK) == 0) ? TX_OK : TX_FAIL, ctx->out);
}