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/*
 * Copyright 2010-2013 Ning, Inc.
 * Copyright 2014 Groupon, Inc
 * Copyright 2014 The Billing Project, LLC
 *
 * The Billing Project licenses this file to you under the Apache License, version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at:
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package org.killbill.billing.invoice.model;

import java.math.BigDecimal;
import java.util.UUID;

import javax.annotation.Nullable;

import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.killbill.billing.catalog.api.Currency;
import org.killbill.billing.invoice.api.InvoiceItemType;
import org.killbill.billing.util.UUIDs;

public class FixedPriceInvoiceItem extends InvoiceItemBase {

    public FixedPriceInvoiceItem(final UUID invoiceId, final UUID accountId, @Nullable final UUID bundleId, @Nullable final UUID subscriptionId,
                                 final String planName, final String phaseName,
                                 final LocalDate date, final BigDecimal amount, final Currency currency) {
        this(UUIDs.randomUUID(), null, invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, null, date, amount, currency);
    }

    public FixedPriceInvoiceItem(final UUID id, @Nullable final DateTime createdDate, final UUID invoiceId, final UUID accountId, final UUID bundleId,
                                 final UUID subscriptionId, final String planName, final String phaseName,
                                 @Nullable final String description, final LocalDate date, final BigDecimal amount, final Currency currency) {
        super(id, createdDate, invoiceId, accountId, bundleId, subscriptionId, description, planName, phaseName, null, date, null, amount, currency);
    }

    @Override
    public String getDescription() {
        if (description != null) {
            return description;
        }

        if (getPhaseName() == null) {
            return "Fixed price charge";
        } else {
            if (getAmount().compareTo(BigDecimal.ZERO) == 0) {
                return getPhaseName();
            } else {
                return String.format("%s (fixed price)", getPhaseName());
            }
        }
    }

    @Override
    public InvoiceItemType getInvoiceItemType() {
        return InvoiceItemType.FIXED;
    }
}