/* @tier easy @module ac @transform acquire-batch */
/*
 * ac_bt_0005.pgc - 대량 매입 적재 배치  [tier=easy]
 *
 * 지정 영업일의 가적재(ac_stage) 건을 커서로 순회하며 매입원장
 * (ac_ledger, status='R') 으로 적재한다. 수수료는 거래금액의 1%로
 * 임시 산정한다. 배치 main 엔트리 포함.
 *
 * 실행:  ac_bt_0005 <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_0005(const char *biz_date)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_biz_date[9];
    char h_stg_key[16];
    char h_merch_id[16];
    char h_card_no[20];
    long h_amount;
    long h_fee;
    char h_status[2];
    EXEC SQL END DECLARE SECTION;

    long total = 0, loaded = 0, errcnt = 0;
    long sum_amount = 0;
    char buf_amt[32];

    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_0005 CURSOR FOR
        SELECT stg_key, merch_id, card_no, amount
        FROM ac_stage
        WHERE biz_date = :h_biz_date
        ORDER BY stg_key;

    EXEC SQL OPEN cur_ac_bt_0005;
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_ac_bt_0005");
        return TX_EDB;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[ac_bt_0005] tx_begin 경고");

    strncpy(h_status, AC_ST_RECV, sizeof(h_status));
    h_status[sizeof(h_status) - 1] = '\0';

    for (;;) {
        EXEC SQL FETCH cur_ac_bt_0005 INTO :h_stg_key, :h_merch_id, :h_card_no, :h_amount;

        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_ac_bt_0005");
            errcnt++;
            break;
        }

        total++;
        h_fee = h_amount / 100;

        EXEC SQL INSERT INTO ac_ledger
            (key, merch_id, card_no, amount, biz_date, status, fee)
            VALUES
            (:h_stg_key, :h_merch_id, :h_card_no, :h_amount, :h_biz_date, :h_status, :h_fee);

        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("INSERT cur_ac_bt_0005");
            tx_log(TX_LOG_ERROR, "[ac_bt_0005] 적재 실패 key=%s", h_stg_key);
            errcnt++;
            continue;
        }

        loaded++;
        sum_amount += h_amount;
    }

    EXEC SQL CLOSE cur_ac_bt_0005;

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

    amount_format_won(sum_amount, buf_amt, sizeof(buf_amt));

    tx_log(TX_LOG_INFO,
           "[ac_bt_0005] 요약 date=%s 대상=%ld 적재=%ld 오류=%ld 금액=%ld",
           biz_date, total, loaded, errcnt, sum_amount);

    printf("========== 대량 매입 적재 결과 [ac_bt_0005] ==========\n");
    printf("  영업일      : %s\n", biz_date);
    printf("  대상 건수   : %ld\n", total);
    printf("  적재 건수   : %ld\n", loaded);
    printf("  오류 건수   : %ld\n", errcnt);
    printf("  적재 총액   : %s\n", buf_amt);
    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_0005] 배치 시작 date=%s", biz_date);

    rc = ac_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[ac_bt_0005] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_ac_bt_0005(biz_date);

    ac_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[ac_bt_0005] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}