/*
 * lg_yearclose_batch.pgc - 연말 손익계정(_INC/_EXP) 대체 대상 집계 배치 (커서 + XA).
 *
 * 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.
 * 복식부기: 차변(D) 합 = 대변(C) 합. Usage: lg_yearclose_batch [YYYY-MM-DD] [FROM|arg]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <atmi.h>
#include "lg_dbio.h"
#include "lg_yearclose_batch.h"

int main(int argc, char **argv)
{
    const char *bizdate = (argc > 1) ? argv[1] : "2026-07-19";
    const char *fromd = (argc > 2) ? argv[2] : bizdate;
    EXEC SQL BEGIN DECLARE SECTION;
    char h_bizdate[16], h_from[16], h_acct[32], h_type[16];
    long h_dr, h_cr;
    EXEC SQL END DECLARE SECTION;
    strncpy(h_bizdate, bizdate, sizeof(h_bizdate)-1); h_bizdate[sizeof(h_bizdate)-1] = 0;
    strncpy(h_from, fromd, sizeof(h_from)-1); h_from[sizeof(h_from)-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 accts = 0, profit = 0;
        EXEC SQL DECLARE ycb CURSOR FOR
            SELECT acct, coalesce(sum(CASE WHEN dc = 'C' THEN amount ELSE -amount END), 0)
            FROM lg_ledger_line
            WHERE biz_date <= :h_bizdate AND (acct LIKE '%_INC' OR acct LIKE '%_EXP')
            GROUP BY acct ORDER BY acct;
        EXEC SQL OPEN ycb;
        if (sqlca.sqlcode < 0) { fprintf(stderr, "OPEN FAIL [%d] %s\n", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc); tpabort(0); return 1; }
        for (;;) {
            EXEC SQL FETCH ycb INTO :h_acct, :h_dr;
            if (sqlca.sqlcode == 100) break;
            if (sqlca.sqlcode < 0) { EXEC SQL CLOSE ycb; tpabort(0); return 1; }
            printf("    %-14s 순액=%ld\n", h_acct, h_dr);
            profit += h_dr; accts++;
        }
        EXEC SQL CLOSE ycb;
        printf("    손익계정 %ld개 추정순이익 %ld\n", accts, profit);
    if (tpcommit(0) < 0) { fprintf(stderr, "tpcommit FAIL: %s\n", tpstrerror(tperrno)); tpabort(0); return 1; }
    printf(">>> lg_yearclose_batch COMMIT: bizdate=%s\n", bizdate);
    tpclose(); tpterm();
    return 0;
}
