/* @tier medium @module lg @transform ledger-batch */
/*
 * lg_bt_0007.pgc - 원장 미결(R/U) 추출 배치
 *
 * 지정 영업일의 미결원장(접수 R / 불일치 U)을 커서로 순회하며 목록을
 * 출력하고 미결 합계를 집계한다. 상태를 변경하지 않는 읽기 전용 추출.
 *
 * 실행:  lg_bt_0007 <YYYYMMDD> [db@host]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

static int run_lg_bt_0007(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_biz_date[9];
    char h_key[16];
    char h_merch_id[16];
    char h_status[2];
    long h_amount;
    EXEC SQL END DECLARE SECTION;

    long open_recv = 0, open_fail = 0, open_sum = 0, errcnt = 0;
    char won[32];

    strncpy(h_biz_date, biz_date, sizeof(h_biz_date) - 1);
    h_biz_date[sizeof(h_biz_date) - 1] = '\0';

    EXEC SQL DECLARE cur_lg_bt_0007 CURSOR FOR
        SELECT key, merch_id, status, amount
        FROM lg_ledger
        WHERE biz_date = :h_biz_date
          AND status IN ('R', 'U')
        ORDER BY status, key;

    EXEC SQL OPEN cur_lg_bt_0007;
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_lg_bt_0007");
        return TX_EDB;
    }

    printf("========== 미결원장 추출 [lg_bt_0007] date=%s ==========\n", biz_date);
    printf("  %-14s %-14s %-4s %16s\n", "처리키", "가맹점", "상태", "금액");

    for (;;) {
        EXEC SQL FETCH cur_lg_bt_0007 INTO :h_key, :h_merch_id, :h_status, :h_amount;

        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_lg_bt_0007");
            errcnt++;
            break;
        }

        amount_format_won(h_amount, won, sizeof(won));
        printf("  %-14s %-14s %-4s %16s\n", h_key, h_merch_id, h_status, won);

        if (strcmp(h_status, LG_ST_RECV) == 0)
            open_recv++;
        else
            open_fail++;
        open_sum += h_amount;
    }

    EXEC SQL CLOSE cur_lg_bt_0007;

    amount_format_won(open_sum, won, sizeof(won));
    printf("---------------------------------------------------------\n");
    printf("  접수(R)     : %ld 건\n", open_recv);
    printf("  불일치(U)   : %ld 건\n", open_fail);
    printf("  미결 합계   : %s\n", won);
    printf("  오류 건수   : %ld\n", errcnt);
    printf("=========================================================\n");

    tx_log(TX_LOG_INFO,
           "[lg_bt_0007] 미결추출 date=%s 접수=%ld 불일치=%ld 합계=%ld",
           biz_date, open_recv, open_fail, open_sum);

    return (errcnt == 0) ? TX_OK : TX_FAIL;
}

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, "[lg_bt_0007] 미결추출 배치 시작 date=%s", biz_date);

    rc = lg_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[lg_bt_0007] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_lg_bt_0007(biz_date);

    lg_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[lg_bt_0007] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
