/* @tier easy @module py @transform payment-online */
/*
 * py_ol_0001.pgc - 지급 온라인 서비스 (PY_OL_0001)  [tier=easy]
 *
 * TxCore TX_SERVICE 엔트리. 요청 TXBUF 를 검증하고 py 표준 DBIO 를
 * 통해 처리한 뒤, 지급계좌 마스터(py_account)를 임베디드 조회하여
 * 지급 대상 계좌/은행/예금주를 응답에 실어 반환한다.
 */
#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_0001, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_merch[16];
    char h_bank[8];
    char h_acct[24];
    char h_holder[41];
    char h_acct_status[2];
    EXEC SQL END DECLARE SECTION;

    py_rec_t rec;
    char key[16];
    int  rc;

    tx_log(TX_LOG_INFO, "[PY_OL_0001] 지급 단건조회 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[PY_OL_0001] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    memset(&rec, 0, sizeof(rec));
    rc = py_rec_select(key, &rec);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[PY_OL_0001] 조회 실패 key=%s rc=%d(%s)",
               key, rc, tx_strerror(rc));
        tx_return(ctx, rc, ctx->out);
        return;
    }

    /* 가맹점 지급계좌 조회 */
    strncpy(h_merch, rec.merch_id, sizeof(h_merch) - 1);
    h_merch[sizeof(h_merch) - 1] = '\0';
    memset(h_bank, 0, sizeof(h_bank));
    memset(h_acct, 0, sizeof(h_acct));
    memset(h_holder, 0, sizeof(h_holder));
    memset(h_acct_status, 0, sizeof(h_acct_status));

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

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[PY_OL_0001] 지급계좌 미등록 merch=%s", rec.merch_id);
        strncpy(h_acct_status, "-", sizeof(h_acct_status) - 1);
    } else if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT py_account");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", rec.key);
    tx_buf_sets(ctx->out, "MERCHID", rec.merch_id);
    tx_buf_setlong(ctx->out, "AMOUNT", rec.amount);
    tx_buf_sets(ctx->out, "STATUS", rec.status);
    tx_buf_sets(ctx->out, "BANK", h_bank);
    tx_buf_sets(ctx->out, "ACCT", h_acct);
    tx_buf_sets(ctx->out, "HOLDER", h_holder);
    tx_buf_sets(ctx->out, "ACCTSTATUS", h_acct_status);
    tx_log(TX_LOG_INFO, "[PY_OL_0001] 조회완료 key=%s amount=%ld acct=%s",
           key, rec.amount, h_acct);
    tx_return(ctx, TX_OK, ctx->out);
}