/*
 * au_void_sweep_batch.pgc - au 역전건 무효화 스윕 (UPDATE 후 집계, XA).
 *
 * First flips reversed(R) authorizations for a biz_date to void(V) with a set
 * UPDATE, then aggregates the remaining voided count - both under ONE global XA
 * transaction. Usage: au_void_sweep_batch [YYYY-MM-DD]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <atmi.h>
#include "au_dbio.h"

int main(int argc, char **argv)
{
    const char *bizdate = (argc > 1) ? argv[1] : "2026-07-19";
    long voided = 0;

    EXEC SQL BEGIN DECLARE SECTION;
    char h_bizdate[16];
    long h_total;
    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 UPDATE au_authorization SET status = 'V', updated_at = now()
        WHERE biz_date = :h_bizdate AND status = 'R';
    if (sqlca.sqlcode < 0) { fprintf(stderr, "UPDATE FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }
    voided = sqlca.sqlerrd[2];

    EXEC SQL SELECT count(*) INTO :h_total FROM au_authorization
        WHERE biz_date = :h_bizdate AND status = 'V';
    if (sqlca.sqlcode < 0) { fprintf(stderr, "COUNT FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }

    if (tpcommit(0) < 0) { fprintf(stderr, "tpcommit FAIL: %s\n", tpstrerror(tperrno)); tpabort(0); return 1; }
    printf(">>> au_void_sweep_batch COMMIT: bizdate=%s newly_voided=%ld total_void=%ld\n", bizdate, voided, h_total);

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