/*
 * st_delayint_batch.pgc - 지연이자 정산 배치 (XA 배치).
 * 미완결 지급을 커서로 순회하여 지연이자 정산 상세를 기록.
 * ATMI 클라이언트: tpinit/tpopen 으로 ECPG XA RM 를 열고 tpbegin 으로 ONE global tx
 * 를 시작, EXEC SQL 수행 후 tpcommit 이 XA 2PC 를 구동. 사용법: st_delayint_batch [YYYY-MM-DD]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <atmi.h>
#include "st_dbio.h"

int main(int argc, char **argv)
{
    const char *bizdate = (argc > 1) ? argv[1] : "2026-07-19";
    long rows = 0;
    EXEC SQL BEGIN DECLARE SECTION;
    char h_bizdate[16];
    long h_pid, h_net;
    char h_merch[64];
    EXEC SQL END DECLARE SECTION;

    strncpy(h_bizdate, bizdate, sizeof(h_bizdate)-1); h_bizdate[sizeof(h_bizdate)-1] = 0;

    if (tpinit(NULL) < 0) { fprintf(stderr, "tpinit FAIL: %s\n", tpstrerror(tperrno)); return 1; }
    if (tpopen() < 0)     { fprintf(stderr, "tpopen FAIL: %s\n", tpstrerror(tperrno)); return 1; }
    if (tpbegin(60, 0) < 0) { fprintf(stderr, "tpbegin FAIL: %s\n", tpstrerror(tperrno)); return 1; }

    EXEC SQL DECLARE st_delayint_batch_c CURSOR FOR
        SELECT purchase_id, merchant_id, net FROM settlement WHERE biz_date=:h_bizdate AND status='SETTLED';
    EXEC SQL OPEN st_delayint_batch_c;
    if (sqlca.sqlcode < 0) { fprintf(stderr, "OPEN FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }
    for (;;) {
        EXEC SQL FETCH st_delayint_batch_c INTO :h_pid, :h_merch, :h_net;
        if (sqlca.sqlcode == 100) break;
        if (sqlca.sqlcode < 0) { fprintf(stderr, "FETCH FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); EXEC SQL CLOSE st_delayint_batch_c; tpabort(0); return 1; }
        {
            long intr = h_net * 15 / 10000;
            if (stdb_insert_fee_dtl(0, h_pid, h_merch, "DELAYINT", intr, bizdate) < 0) { EXEC SQL CLOSE st_delayint_batch_c; tpabort(0); return 1; }
            rows++;
        }
    }
    EXEC SQL CLOSE st_delayint_batch_c;

    if (tpcommit(0) < 0) { fprintf(stderr, "tpcommit FAIL: %s\n", tpstrerror(tperrno)); tpabort(0); return 1; }
    printf(">>> st_delayint_batch COMMIT: bizdate=%s delayint_rows=%ld\n", bizdate, rows);

    tpclose(); tpterm();
    return 0;
}
