/* @tier medium @module ac @transform acquire-online */
/*
 * ac_ol_0004.pgc - EDC 매입 서비스 (전자매출전표 매입, AC_OL_0004)  [tier=medium]
 *
 * 승인번호(APPROVALNO)로 approval 원장을 조회하여 승인완료 건만 매입
 * 처리하고, approval_no 를 연결키로 ac_ledger 에 acq_type='EDC' 로 적재한다.
 */
#include <stdio.h>
#include <string.h>

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

EXEC SQL INCLUDE sqlca;

TX_SERVICE(AC_OL_0004, ctx)
{
    EXEC SQL BEGIN DECLARE SECTION;
    char h_appr_no[9];
    long h_amount;
    char h_merch_id[16];
    char h_card_no[20];
    char h_appr_status[2];
    char h_key[16];
    char h_biz_date[9];
    char h_status[2];
    long h_fee;
    char h_acq_type[4];
    EXEC SQL END DECLARE SECTION;

    char key[16], apprno[9], bizdate[16];

    tx_log(TX_LOG_INFO, "[AC_OL_0004] EDC 매입 서비스 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK ||
        tx_buf_get(ctx->in, "APPROVALNO", apprno, sizeof(apprno)) != TX_OK ||
        tx_buf_get(ctx->in, "BIZDATE", bizdate, sizeof(bizdate)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AC_OL_0004] 필수 필드 누락");
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    if (!date_is_valid(bizdate)) {
        tx_log(TX_LOG_WARN, "[AC_OL_0004] 영업일 오류 date=%s", bizdate);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_appr_no, apprno, sizeof(h_appr_no) - 1);
    h_appr_no[sizeof(h_appr_no) - 1] = '\0';

    EXEC SQL SELECT amount, merch_id, card_no, appr_status
          INTO :h_amount, :h_merch_id, :h_card_no, :h_appr_status
          FROM approval
         WHERE approval_no = :h_appr_no;

    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[AC_OL_0004] 승인전표 없음 approvalno=%s", apprno);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT approval");
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    if (strcmp(h_appr_status, "A") != 0) {
        tx_log(TX_LOG_WARN, "[AC_OL_0004] 승인 미완료 approvalno=%s status=%s",
               apprno, h_appr_status);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }
    if (!amount_is_valid(h_amount)) {
        tx_log(TX_LOG_WARN, "[AC_OL_0004] 승인금액 범위 오류 amount=%ld", h_amount);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    strncpy(h_biz_date, bizdate, sizeof(h_biz_date) - 1);
    h_biz_date[sizeof(h_biz_date) - 1] = '\0';
    strncpy(h_status, AC_ST_DONE, sizeof(h_status));
    strncpy(h_acq_type, "EDC", sizeof(h_acq_type) - 1);
    h_acq_type[sizeof(h_acq_type) - 1] = '\0';
    h_fee = h_amount * 15 / 10000;   /* EDC 수수료 0.15% */

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[AC_OL_0004] tx_begin 경고");

    EXEC SQL INSERT INTO ac_ledger
            (key, merch_id, card_no, amount, biz_date, status, fee,
             acq_type, approval_no)
        VALUES
            (:h_key, :h_merch_id, :h_card_no, :h_amount, :h_biz_date,
             :h_status, :h_fee, :h_acq_type, :h_appr_no);

    if (sqlca.sqlcode != TX_SQL_OK || sqlca.sqlerrd[2] != 1) {
        TX_DBIO_LOG_ERR("INSERT ac_ledger(EDC)");
        tx_abort();
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "STATUS", h_status);
    tx_buf_setlong(ctx->out, "FEE", h_fee);
    tx_log(TX_LOG_INFO, "[AC_OL_0004] EDC 매입 완료 key=%s approvalno=%s fee=%ld",
           key, apprno, h_fee);
    tx_return(ctx, TX_OK, ctx->out);
}