/* @tier medium @module vl @transform validation-online */
/*
 * vl_ol_0029.pgc - 불일치 사유 등록 서비스 (VL_OL_0029)  [tier=medium]
 *
 * 처리키 + 사유코드 + 사유텍스트를 불일치사유(vl_mismatch_reason) 이력에
 * INSERT 하고, 해당 원장건의 상태를 불일치(U) 로 전이한다.
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "vl_core.h"

EXEC SQL INCLUDE sqlca;

TX_SERVICE(VL_OL_0029, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_key[16];
    char h_rcode[8];
    char h_reason[128];
    EXEC SQL END DECLARE SECTION;

    vl_rec_t rec;
    char key[16];
    char rcode[8];
    char reason[128];
    int  rc;

    tx_log(TX_LOG_INFO, "[VL_OL_0029] 불일치 사유 등록 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK ||
        tx_buf_get(ctx->in, "RCODE", rcode, sizeof(rcode)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0029] 필수 필드(KEY/RCODE) 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "VL2900");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (tx_buf_get(ctx->in, "REASON", reason, sizeof(reason)) != TX_OK) {
        strncpy(reason, "사유미기재", sizeof(reason) - 1);
        reason[sizeof(reason) - 1] = '\0';
    }

    /* 원장 존재 확인 */
    memset(&rec, 0, sizeof(rec));
    rc = vl_rec_select(key, &rec);
    if (rc != TX_OK) {
        tx_log(TX_LOG_WARN, "[VL_OL_0029] 원장 없음 key=%s rc=%d(%s)",
               key, rc, tx_strerror(rc));
        tx_buf_sets(ctx->out, "ERRCODE", "VL2901");
        tx_return(ctx, rc, ctx->out);
        return;
    }

    if (tx_begin() != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0029] 트랜잭션 시작 실패");
        tx_buf_sets(ctx->out, "ERRCODE", "VL2902");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    strncpy(h_rcode, rcode, sizeof(h_rcode) - 1);
    h_rcode[sizeof(h_rcode) - 1] = '\0';
    strncpy(h_reason, reason, sizeof(h_reason) - 1);
    h_reason[sizeof(h_reason) - 1] = '\0';

    EXEC SQL
        INSERT INTO vl_mismatch_reason
               (txn_key, reason_code, reason_txt, reg_dt)
        VALUES (:h_key, :h_rcode, :h_reason, TO_CHAR(SYSTIMESTAMP, 'YYYYMMDDHH24MISS'));

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT vl_mismatch_reason");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "VL2909");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    rc = vl_rec_update_status(key, VL_ST_FAIL);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0029] 상태전이(U) 실패 key=%s rc=%d(%s)",
               key, rc, tx_strerror(rc));
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "VL2903");
        tx_return(ctx, rc, ctx->out);
        return;
    }

    if (tx_commit() != TX_OK) {
        tx_log(TX_LOG_ERROR, "[VL_OL_0029] 커밋 실패 key=%s", key);
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "VL2904");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "RCODE", rcode);
    tx_buf_sets(ctx->out, "STATUS", VL_ST_FAIL);
    tx_buf_sets(ctx->out, "RESULT", "REGISTERED");
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);

    tx_log(TX_LOG_INFO, "[VL_OL_0029] 사유등록 완료 key=%s rcode=%s", key, rcode);
    tx_return(ctx, TX_OK, ctx->out);
}
