/* @tier easy @module mm @transform master-batch */
/*
 * mm_bt_0003.pgc - 수수료율 이력 마감배치 (MM_BT_0003)  [tier=easy]
 *
 * 적용종료일(end_date) 이 기준일에 도래한 유효(status='A') 수수료율 이력
 * (mm_fee_rate) 을 커서로 순회하며 마감(status='C') 처리한다. 마감 건수를
 * 집계한다. 배치 main 엔트리 포함.
 *
 * 실행:  mm_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 "mm_core.h"

EXEC SQL INCLUDE sqlca;

static int run_mm_bt_0003(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_biz_date[9];
    char h_rate_id[16];
    char h_merch_id[16];
    char h_end_date[9];
    long h_fee_rate;
    EXEC SQL END DECLARE SECTION;

    long total = 0, closed = 0, errcnt = 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_mm_bt_0003 CURSOR FOR
        SELECT rate_id, merch_id, end_date, fee_rate
        FROM mm_fee_rate
        WHERE status   = 'A'
          AND end_date <= :h_biz_date
        ORDER BY rate_id;

    EXEC SQL OPEN cur_mm_bt_0003;
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_mm_bt_0003");
        return TX_EDB;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[mm_bt_0003] tx_begin 경고");

    for (;;) {
        EXEC SQL FETCH cur_mm_bt_0003
            INTO :h_rate_id, :h_merch_id, :h_end_date, :h_fee_rate;

        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_mm_bt_0003");
            errcnt++;
            break;
        }

        total++;

        EXEC SQL UPDATE mm_fee_rate
                    SET status     = 'C',
                        close_date = :h_biz_date
                  WHERE rate_id = :h_rate_id;
        if (sqlca.sqlcode != TX_SQL_OK) {
            tx_log(TX_LOG_ERROR,
                   "[mm_bt_0003] 마감 실패 rate=%s merch=%s",
                   h_rate_id, h_merch_id);
            errcnt++;
            continue;
        }

        closed++;
    }

    EXEC SQL CLOSE cur_mm_bt_0003;

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

    tx_log(TX_LOG_INFO,
           "[mm_bt_0003] 요약 date=%s 대상=%ld 마감=%ld 오류=%ld",
           biz_date, total, closed, errcnt);

    printf("========== 수수료율 이력 마감배치 [mm_bt_0003] ==========\n");
    printf("  기준일       : %s\n", biz_date);
    printf("  마감 대상    : %ld\n", total);
    printf("  마감 완료(C) : %ld\n", closed);
    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 기준일 '%s'\n", biz_date);
        return 2;
    }

    tx_log(TX_LOG_INFO, "[mm_bt_0003] 배치 시작 date=%s", biz_date);

    rc = mm_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[mm_bt_0003] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_mm_bt_0003(biz_date);

    mm_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[mm_bt_0003] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
