/* @tier medium @module au @transform authorization-batch */
/*
 * au_bt_0017.pgc - 승인원장 아카이브 배치 (정산완료 노후건 삭제)  [tier=medium]
 *
 * 배치 main 엔트리 포함.  실행:  au_bt_0017 <YYYYMMDD> [db@host]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

static int run_au_bt_0017(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_cutoff[9];
    int  h_cnt, h_del;
    EXEC SQL END DECLARE SECTION;

    strncpy(h_cutoff, biz_date, 8); h_cutoff[8] = '\0';

    EXEC SQL SELECT count(*) INTO :h_cnt
        FROM au_ledger WHERE status = 'S' AND biz_date < :h_cutoff;
    if (sqlca.sqlcode != TX_SQL_OK) { TX_DBIO_LOG_ERR("au_bt_0017 집계"); return TX_EDB; }

    if (tx_begin() != TX_OK) tx_log(TX_LOG_WARN, "[au_bt_0017] tx_begin 경고");
    EXEC SQL DELETE FROM au_ledger
        WHERE status = 'S' AND biz_date < :h_cutoff;
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("au_bt_0017 삭제");
        tx_abort();
        return TX_EDB;
    }
    h_del = (int)sqlca.sqlerrd[2];
    tx_commit();

    printf("===== 승인원장 아카이브 [au_bt_0017] 기준일<%s =====\n", biz_date);
    printf("  대상=%d 삭제=%d\n", h_cnt, h_del);
    tx_log(TX_LOG_INFO, "[au_bt_0017] 아카이브 삭제=%d건", h_del);
    return TX_OK;
}

int main(int argc, char **argv)
{
    const char *biz_date;
    const char *target;
    int rc;

    tx_set_loglevel(TX_LOG_INFO);
    if (argc < 2) {
        fprintf(stderr, "사용법: %s <YYYYMMDD> [db@host]\n", argv[0]);
        return 2;
    }
    biz_date = argv[1];
    target   = (argc >= 3) ? argv[2] : NULL;
    if (!date_is_valid(biz_date)) {
        fprintf(stderr, "오류: 유효하지 않은 영업일 '%s'\n", biz_date);
        return 2;
    }
    tx_log(TX_LOG_INFO, "[au_bt_0017] 배치 시작 date=%s", biz_date);
    rc = au_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[au_bt_0017] DB 접속 실패 rc=%d", rc);
        return 1;
    }
    rc = run_au_bt_0017(biz_date);
    au_dbio_disconnect();
    tx_log(TX_LOG_INFO, "[au_bt_0017] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}