/* @tier easy @module st @transform settlement-batch */
/*
 * st_bt_0010.pgc - 월정산 집계 배치  [tier=easy]
 *
 * 지정 영업일이 속한 월(YYYYMM) 전체의 상태별 건수/거래금액/수수료를
 * 집계하여 월 정산 마감 현황을 리포트한다.
 *
 * 실행:  st_bt_0010 <YYYYMMDD> [db@host]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;


static int run_st_bt_0010(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_ym[7];
    char h_status[2];
    long h_cnt;
    long h_sum;
    long h_fee;
    EXEC SQL END DECLARE SECTION;

    const char *codes[3] = { "M", "S", "U" };
    long total_cnt = 0, total_sum = 0, total_fee = 0;
    int  i;

    strncpy(h_ym, biz_date, 6);   /* YYYYMM */
    h_ym[6] = '\0';

    printf("========== 월정산 집계 [st_bt_0010] ==========\n");
    printf("  정산월 : %s\n", h_ym);

    for (i = 0; i < 3; i++) {
        strncpy(h_status, codes[i], sizeof(h_status) - 1);
        h_status[sizeof(h_status) - 1] = '\0';

        EXEC SQL SELECT count(*), coalesce(sum(amount), 0), coalesce(sum(fee), 0)
                 INTO :h_cnt, :h_sum, :h_fee
                 FROM st_ledger
                 WHERE substr(biz_date, 1, 6) = :h_ym
                   AND status = :h_status;

        if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
            TX_DBIO_LOG_ERR("SELECT month st_bt_0010");
            return TX_EDB;
        }
        printf("  [%s] 건수=%8ld 매출=%15ld 수수료=%13ld\n",
               codes[i], h_cnt, h_sum, h_fee);
        total_cnt += h_cnt;
        total_sum += h_sum;
        total_fee += h_fee;
    }

    printf("  ----------------------------------------\n");
    printf("  합계 건수=%8ld 매출=%15ld 수수료=%13ld\n",
           total_cnt, total_sum, total_fee);
    printf("=============================================\n");

    tx_log(TX_LOG_INFO, "[st_bt_0010] 월정산 ym=%s 건수=%ld 매출=%ld",
           h_ym, total_cnt, total_sum);
    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, "[st_bt_0010] 배치 시작 date=%s", biz_date);

    rc = st_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[st_bt_0010] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_st_bt_0010(biz_date);

    st_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[st_bt_0010] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}