/* @tier medium @module ac @transform acquire-batch */
/*
 * ac_bt_0013.pgc - 매입 통계(카드사별 집계) 배치  [tier=medium]
 *
 * 지정 영업일에 처리완료/정산완료(status IN ('M','S')) 된 매입행을
 * 카드사코드(corp_cd) 별로 집계하여 ac_stat 테이블에 적재하고,
 * 전체 합계를 산출한다. 배치 main 엔트리 포함.
 *
 * 실행:  ac_bt_0013 <YYYYMMDD> [db@host]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

static int run_ac_bt_0013(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_biz_date[9];
    char h_corp_cd[5];
    long h_cnt;
    long h_amt_sum;
    long h_fee_sum;
    EXEC SQL END DECLARE SECTION;

    long corp_rows = 0, errcnt = 0;
    long grand_cnt = 0, grand_amt = 0, grand_fee = 0;

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

    EXEC SQL DECLARE cur_ac_bt_0013 CURSOR FOR
        SELECT corp_cd, count(*), sum(amount), sum(fee)
        FROM ac_ledger
        WHERE biz_date = :h_biz_date
          AND status   IN ('M', 'S')
        GROUP BY corp_cd
        ORDER BY corp_cd;

    EXEC SQL OPEN cur_ac_bt_0013;
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_ac_bt_0013");
        return TX_EDB;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[ac_bt_0013] tx_begin 경고");

    printf("========== 매입 통계(카드사별) 결과 [ac_bt_0013] ==========\n");
    printf("  영업일 : %s\n", biz_date);
    printf("  ---------------------------------------------------------\n");
    printf("  %-6s %10s %16s %14s\n", "카드사", "건수", "매입금액", "수수료");

    for (;;) {
        EXEC SQL FETCH cur_ac_bt_0013
            INTO :h_corp_cd, :h_cnt, :h_amt_sum, :h_fee_sum;

        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_ac_bt_0013");
            errcnt++;
            break;
        }

        EXEC SQL INSERT INTO ac_stat
            (biz_date, corp_cd, tot_cnt, tot_amt)
            VALUES
            (:h_biz_date, :h_corp_cd, :h_cnt, :h_amt_sum);

        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("INSERT ac_bt_0013 ac_stat");
            tx_log(TX_LOG_ERROR, "[ac_bt_0013] 통계 적재 실패 corp_cd=%s", h_corp_cd);
            errcnt++;
            continue;
        }

        printf("  %-6s %10ld %16ld %14ld\n", h_corp_cd, h_cnt, h_amt_sum, h_fee_sum);

        corp_rows++;
        grand_cnt += h_cnt;
        grand_amt += h_amt_sum;
        grand_fee += h_fee_sum;
    }

    EXEC SQL CLOSE cur_ac_bt_0013;

    if (errcnt == 0)
        tx_commit();
    else
        tx_abort();

    tx_log(TX_LOG_INFO,
           "[ac_bt_0013] 요약 date=%s 카드사수=%ld 총건수=%ld 총금액=%ld 총수수료=%ld 오류=%ld",
           biz_date, corp_rows, grand_cnt, grand_amt, grand_fee, errcnt);

    printf("  ---------------------------------------------------------\n");
    printf("  카드사 수     : %ld\n", corp_rows);
    printf("  총 건수       : %ld\n", grand_cnt);
    printf("  총 매입금액   : %ld\n", grand_amt);
    printf("  총 수수료     : %ld\n", grand_fee);
    printf("  오류 건수     : %ld\n", errcnt);
    printf("=============================================================\n");

    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, "[ac_bt_0013] 배치 시작 date=%s", biz_date);

    rc = ac_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[ac_bt_0013] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_ac_bt_0013(biz_date);

    ac_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[ac_bt_0013] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}