/* @tier medium @module au @transform authorization-batch */
/*
 * au_bt_0003.pgc - 승인 일별 통계집계 배치 (상태별 건수/금액)  [tier=medium]
 *
 * 배치 main 엔트리 포함.  실행:  au_bt_0003 <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_0003(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_biz_date[9], h_st[2];
    int  h_cnt;
    long h_sum;
    EXEC SQL END DECLARE SECTION;

    const char *codes = "RMUS";
    const char *names[] = { "접수", "승인", "거절", "정산" };
    int  i;
    long grand = 0;

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

    printf("===== 승인 일별통계 [au_bt_0003] date=%s =====\n", biz_date);
    for (i = 0; codes[i]; i++) {
        h_st[0] = codes[i]; h_st[1] = '\0';
        EXEC SQL SELECT count(*), coalesce(sum(amount), 0)
            INTO :h_cnt, :h_sum
            FROM au_ledger WHERE biz_date = :h_biz_date AND status = :h_st;
        if (sqlca.sqlcode != TX_SQL_OK) { TX_DBIO_LOG_ERR("통계"); return TX_EDB; }
        printf("  %s(%c) : %6d 건  %15ld 원\n", names[i], codes[i], h_cnt, h_sum);
        grand += h_sum;
        tx_log(TX_LOG_INFO, "[au_bt_0003] %c cnt=%d sum=%ld", codes[i], h_cnt, h_sum);
    }
    printf("  합계금액 : %ld 원\n", grand);
    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_0003] 배치 시작 date=%s", biz_date);
    rc = au_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[au_bt_0003] DB 접속 실패 rc=%d", rc);
        return 1;
    }
    rc = run_au_bt_0003(biz_date);
    au_dbio_disconnect();
    tx_log(TX_LOG_INFO, "[au_bt_0003] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
