/* @tier hard @module st @transform settlement-batch */
/*
 * st_bt_0015.pgc - 정산 리포트 배치  [tier=hard]
 *
 * 지정 영업일의 상태별 건수/금액과 정산완료율, 총수수료, 정산순액을
 * 종합하여 일일 정산 리포트를 출력한다.
 *
 * 실행:  st_bt_0015 <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_0015(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_biz_date[9];
    long h_total_cnt;
    long h_settled_cnt;
    long h_gross;
    long h_feesum;
    EXEC SQL END DECLARE SECTION;

    long net, rate_bp = 0, avg = 0;

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

    EXEC SQL SELECT count(*), coalesce(sum(amount), 0), coalesce(sum(fee), 0)
             INTO :h_total_cnt, :h_gross, :h_feesum
             FROM st_ledger
             WHERE biz_date = :h_biz_date;
    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT total st_bt_0015");
        return TX_EDB;
    }

    EXEC SQL SELECT count(*)
             INTO :h_settled_cnt
             FROM st_ledger
             WHERE biz_date = :h_biz_date
               AND status = 'S';
    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT settled st_bt_0015");
        return TX_EDB;
    }

    net = h_gross - h_feesum;
    if (h_total_cnt > 0) {
        rate_bp = h_settled_cnt * 10000 / h_total_cnt;
        avg     = h_gross / h_total_cnt;
    }

    printf("========== 정산 리포트 [st_bt_0015] ==========\n");
    printf("  영업일        : %s\n", biz_date);
    printf("  총 건수       : %ld\n", h_total_cnt);
    printf("  정산완료 건수 : %ld\n", h_settled_cnt);
    printf("  정산완료율    : %ld.%02ld%%\n", rate_bp / 100, rate_bp % 100);
    printf("  총 매출       : %ld\n", h_gross);
    printf("  총 수수료     : %ld\n", h_feesum);
    printf("  정산순액      : %ld\n", net);
    printf("  건당 평균매출 : %ld\n", avg);
    printf("=============================================\n");

    tx_log(TX_LOG_INFO, "[st_bt_0015] 리포트 date=%s 건수=%ld 정산율bp=%ld 순액=%ld",
           biz_date, h_total_cnt, rate_bp, net);
    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_0015] 배치 시작 date=%s", biz_date);

    rc = st_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[st_bt_0015] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_st_bt_0015(biz_date);

    st_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[st_bt_0015] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}