/*
 * The Kuali Financial System, a comprehensive financial management system for higher education.
 * 
 * Copyright 2005-2014 The Kuali Foundation
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kuali.kfs.module.cam.document.validation.impl;

import static org.kuali.kfs.sys.KFSConstants.AMOUNT_PROPERTY_NAME;
import static org.kuali.kfs.sys.KFSKeyConstants.ERROR_BLANK_AMOUNT;
import static org.kuali.kfs.sys.KFSKeyConstants.ERROR_ZERO_AMOUNT;

import org.kuali.kfs.module.cam.document.AssetPaymentDocument;
import org.kuali.kfs.sys.businessobject.AccountingLine;
import org.kuali.kfs.sys.document.validation.GenericValidation;
import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
import org.kuali.rice.core.api.util.type.KualiDecimal;
import org.kuali.rice.krad.util.GlobalVariables;
import org.kuali.rice.krad.util.ObjectUtils;

/**
 * This class validates asset zero amount condition
 */
public class AssetPaymentZeroAmountValidation extends GenericValidation {
    private AccountingLine accountingLineForValidation;

    /**
     * Asset payment amount should be a non-zero value
     *
     * @see org.kuali.kfs.sys.document.validation.Validation#validate(org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent)
     */
    @Override
    public boolean validate(AttributedDocumentEvent event) {
        // skip check if accounting line is from CAB
        AssetPaymentDocument assetPaymentDocument = (AssetPaymentDocument) event.getDocument();
        if (assetPaymentDocument.isCapitalAssetBuilderOriginIndicator()) {
            return true;
        }

        KualiDecimal amount = accountingLineForValidation.getAmount();
        if(ObjectUtils.isNull(amount)) {
            GlobalVariables.getMessageMap().putError(AMOUNT_PROPERTY_NAME,ERROR_BLANK_AMOUNT,"");
            return false;
        }
        else if (amount.isZero()) {
            GlobalVariables.getMessageMap().putError(AMOUNT_PROPERTY_NAME, ERROR_ZERO_AMOUNT, "an accounting line");
            return false;
        }
        return true;
    }

    public AccountingLine getAccountingLineForValidation() {
        return accountingLineForValidation;
    }

    public void setAccountingLineForValidation(AccountingLine accountingLine) {
        this.accountingLineForValidation = accountingLine;
    }

}