/*
 * cl_lock_batch.pgc - cl 기간 잠금 배치 (커서, 월 close_log 기간 잠금) (XA 배치).
 *
 * ATMI client: tpinit/tpopen open the ECPG XA RM, tpbegin starts ONE global
 * transaction; EXEC SQL work runs on that branch, then tpcommit drives XA 2PC.
 * Usage: cl_lock_batch [YYYY-MM-DD]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <atmi.h>
#include "cl_dbio.h"

int main(int argc, char **argv)
{
    const char *bizdate = (argc > 1) ? argv[1] : "2026-07-19";
    EXEC SQL BEGIN DECLARE SECTION;
    char h_bizdate[16];
    char h_period[16];
    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; }

    long rows = 0;
    EXEC SQL DECLARE clb CURSOR FOR
        SELECT DISTINCT period_key FROM cl_close_log
        WHERE close_type = 'MONTHLY' AND status IN ('A','C') ORDER BY period_key;
    EXEC SQL OPEN clb;
    if (sqlca.sqlcode < 0) { fprintf(stderr, "OPEN FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }
    for (;;) {
        EXEC SQL FETCH clb INTO :h_period;
        if (sqlca.sqlcode == 100) break;
        if (sqlca.sqlcode < 0) { EXEC SQL CLOSE clb; tpabort(0); return 1; }
        EXEC SQL INSERT INTO cl_period_lock (period_key, locked) VALUES (:h_period, true)
            ON CONFLICT (period_key) DO UPDATE SET locked = true, locked_at = now();
        if (sqlca.sqlcode < 0) { EXEC SQL CLOSE clb; tpabort(0); return 1; }
        rows++;
    }
    EXEC SQL CLOSE clb;
    if (tpcommit(0) < 0) { fprintf(stderr, "tpcommit FAIL: %s\n", tpstrerror(tperrno)); tpabort(0); return 1; }
    printf(">>> cl_lock_batch COMMIT: %ld개 기간 잠금\n", rows);
    tpclose(); tpterm();
    return 0;
}
