/* @tier easy @module ac @transform acquire-online */
/*
 * ac_ol_0001.pgc - 매입 상태조회 서비스 (AC_OL_0001)  [tier=easy]
 *
 * 처리키(KEY)로 ac_ledger 를 단건조회하여 상태/금액/수수료/가맹점번호를
 * 반환한다. 상태코드는 화면 표시용 한글 라벨로 매핑하여 함께 내려준다.
 */
#include <stdio.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(AC_OL_0001, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16];
    char h_status[2];
    char h_merch_id[16];
    char h_card_no[20];
    char h_biz_date[9];
    long h_amount;
    long h_fee;
    EXEC SQL END DECLARE SECTION;

    char key[16];
    char status_nm[16];
    char amount_won[32];
    char card_masked[20];
    char settle_due[9];
    size_t clen;
    long peer_cnt;

    tx_log(TX_LOG_INFO, "[AC_OL_0001] 매입 상태조회 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AC_OL_0001] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';

    EXEC SQL
        SELECT status, amount, fee, merch_id, card_no, biz_date
          INTO :h_status, :h_amount, :h_fee, :h_merch_id, :h_card_no, :h_biz_date
          FROM ac_ledger
         WHERE key = :h_key;

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[AC_OL_0001] 대상 없음 key=%s", key);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT ac_ledger");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    if (strcmp(h_status, AC_ST_RECV) == 0) {
        strncpy(status_nm, "접수", sizeof(status_nm) - 1);
    } else if (strcmp(h_status, AC_ST_DONE) == 0) {
        strncpy(status_nm, "처리완료", sizeof(status_nm) - 1);
    } else if (strcmp(h_status, AC_ST_FAIL) == 0) {
        strncpy(status_nm, "불일치", sizeof(status_nm) - 1);
    } else if (strcmp(h_status, AC_ST_SETTLED) == 0) {
        strncpy(status_nm, "정산완료", sizeof(status_nm) - 1);
    } else {
        strncpy(status_nm, "알수없음", sizeof(status_nm) - 1);
    }
    status_nm[sizeof(status_nm) - 1] = '\0';

    /* 카드번호 뒷자리 마스킹 (앞 6자리만 노출) */
    clen = strlen(h_card_no);
    strncpy(card_masked, h_card_no, sizeof(card_masked) - 1);
    card_masked[sizeof(card_masked) - 1] = '\0';
    if (clen > 6) {
        size_t j;
        for (j = 6; j < clen && j < sizeof(card_masked) - 1; j++)
            card_masked[j] = '*';
    }

    /* 접수 상태면 정산예정일(다음 영업일)을 함께 안내 */
    settle_due[0] = '\0';
    if (strcmp(h_status, AC_ST_RECV) == 0) {
        if (date_next_business(h_biz_date, settle_due) != 0)
            settle_due[0] = '\0';
    }

    amount_format_won(h_amount, amount_won, sizeof(amount_won));

    /* 참고정보: 동일 영업일/동일 상태 건수 (표준 DBIO 재사용) */
    peer_cnt = ac_rec_count(h_biz_date, h_status);
    if (peer_cnt < 0) {
        tx_log(TX_LOG_WARN, "[AC_OL_0001] 동일상태 건수조회 실패 rc=%ld", peer_cnt);
        peer_cnt = 0;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "MERCHID", h_merch_id);
    tx_buf_sets(ctx->out, "CARDNO", card_masked);
    tx_buf_setlong(ctx->out, "AMOUNT", h_amount);
    tx_buf_sets(ctx->out, "AMOUNTWON", amount_won);
    tx_buf_setlong(ctx->out, "FEE", h_fee);
    tx_buf_sets(ctx->out, "STATUS", h_status);
    tx_buf_sets(ctx->out, "STATUSNM", status_nm);
    tx_buf_sets(ctx->out, "BIZDATE", h_biz_date);
    tx_buf_setlong(ctx->out, "PEERCNT", peer_cnt);
    if (settle_due[0] != '\0')
        tx_buf_sets(ctx->out, "SETTLEDUE", settle_due);
    tx_log(TX_LOG_INFO,
           "[AC_OL_0001] 조회완료 key=%s status=%s(%s) amount=%ld 동일상태건수=%ld",
           key, h_status, status_nm, h_amount, peer_cnt);
    tx_return(ctx, TX_OK, ctx->out);
}