/*
 * Copyright 2010-2012 Ning, Inc.
 *
 * Ning 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 com.ning.billing.analytics.model;

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

import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;

import com.ning.billing.analytics.utils.Rounder;
import com.ning.billing.catalog.api.Currency;
import com.ning.billing.invoice.api.Invoice;

public class BusinessInvoice {
    private final UUID invoiceId;
    private final Integer invoiceNumber;
    private final DateTime createdDate;
    private final DateTime updatedDate;
    private final UUID accountId;
    private final String accountKey;
    private final DateTime invoiceDate;
    private final DateTime targetDate;
    private final Currency currency;
    private final BigDecimal balance;
    private final BigDecimal amountPaid;
    private final BigDecimal amountCharged;
    private final BigDecimal amountCredited;

    public BusinessInvoice(final UUID accountId, final String accountKey, final BigDecimal amountCharged, final BigDecimal amountCredited,
                           final BigDecimal amountPaid, final BigDecimal balance, final DateTime createdDate,
                           final Currency currency, final DateTime invoiceDate, final UUID invoiceId, final Integer invoiceNumber,
                           final DateTime targetDate, final DateTime updatedDate) {
        this.accountId = accountId;
        this.accountKey = accountKey;
        this.amountCharged = amountCharged;
        this.amountCredited = amountCredited;
        this.amountPaid = amountPaid;
        this.balance = balance;
        this.createdDate = createdDate;
        this.currency = currency;
        this.invoiceDate = invoiceDate;
        this.invoiceId = invoiceId;
        this.invoiceNumber = invoiceNumber;
        this.targetDate = targetDate;
        this.updatedDate = updatedDate;
    }

    public BusinessInvoice(final String accountKey, final Invoice invoice) {
        // TODO STEPH this is probably not what we want (CBA versus credit)
        this(invoice.getAccountId(), accountKey, invoice.getChargedAmount(), invoice.getCBAAmount(), invoice.getPaidAmount(), invoice.getBalance(),
             new DateTime(DateTimeZone.UTC), invoice.getCurrency(), invoice.getInvoiceDate(), invoice.getId(), invoice.getInvoiceNumber(), invoice.getTargetDate(),
             new DateTime(DateTimeZone.UTC));
    }

    public UUID getAccountId() {
        return accountId;
    }

    public String getAccountKey() {
        return accountKey;
    }

    public BigDecimal getAmountCharged() {
        return amountCharged;
    }

    public BigDecimal getAmountCredited() {
        return amountCredited;
    }

    public BigDecimal getAmountPaid() {
        return amountPaid;
    }

    public BigDecimal getBalance() {
        return balance;
    }

    public DateTime getCreatedDate() {
        return createdDate;
    }

    public Currency getCurrency() {
        return currency;
    }

    public DateTime getInvoiceDate() {
        return invoiceDate;
    }

    public UUID getInvoiceId() {
        return invoiceId;
    }

    public Integer getInvoiceNumber() {
        return invoiceNumber;
    }

    public DateTime getTargetDate() {
        return targetDate;
    }

    public DateTime getUpdatedDate() {
        return updatedDate;
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder();
        sb.append("BusinessInvoice");
        sb.append("{accountId=").append(accountId);
        sb.append(", invoiceId=").append(invoiceId);
        sb.append(", invoiceNumber=").append(invoiceNumber);
        sb.append(", createdDate=").append(createdDate);
        sb.append(", updatedDate=").append(updatedDate);
        sb.append(", accountKey='").append(accountKey).append('\'');
        sb.append(", invoiceDate=").append(invoiceDate);
        sb.append(", targetDate=").append(targetDate);
        sb.append(", currency=").append(currency);
        sb.append(", balance=").append(balance);
        sb.append(", amountPaid=").append(amountPaid);
        sb.append(", amountCharged=").append(amountCharged);
        sb.append(", amountCredited=").append(amountCredited);
        sb.append('}');
        return sb.toString();
    }

    @Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        final BusinessInvoice that = (BusinessInvoice) o;

        if (accountId != null ? !accountId.equals(that.accountId) : that.accountId != null) {
            return false;
        }
        if (accountKey != null ? !accountKey.equals(that.accountKey) : that.accountKey != null) {
            return false;
        }
        if (amountCharged != null ? Rounder.round(amountCharged) != Rounder.round(that.amountCharged) : that.amountCharged != null) {
            return false;
        }
        if (amountCredited != null ? Rounder.round(amountCredited) != Rounder.round(that.amountCredited) : that.amountCredited != null) {
            return false;
        }
        if (amountPaid != null ? Rounder.round(amountPaid) != Rounder.round(that.amountPaid) : that.amountPaid != null) {
            return false;
        }
        if (balance != null ? Rounder.round(balance) != Rounder.round(that.balance) : that.balance != null) {
            return false;
        }
        if (createdDate != null ? createdDate.compareTo(that.createdDate) != 0 : that.createdDate != null) {
            return false;
        }
        if (currency != that.currency) {
            return false;
        }
        if (invoiceDate != null ? invoiceDate.compareTo(that.invoiceDate) != 0 : that.invoiceDate != null) {
            return false;
        }
        if (invoiceId != null ? !invoiceId.equals(that.invoiceId) : that.invoiceId != null) {
            return false;
        }
        if (invoiceNumber != null ? !invoiceNumber.equals(that.invoiceNumber) : that.invoiceNumber != null) {
            return false;
        }
        if (targetDate != null ? targetDate.compareTo(that.targetDate) != 0 : that.targetDate != null) {
            return false;
        }
        if (updatedDate != null ? updatedDate.compareTo(that.updatedDate) != 0 : that.updatedDate != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = invoiceId != null ? invoiceId.hashCode() : 0;
        result = 31 * result + (invoiceNumber != null ? invoiceNumber.hashCode() : 0);
        result = 31 * result + (createdDate != null ? createdDate.hashCode() : 0);
        result = 31 * result + (updatedDate != null ? updatedDate.hashCode() : 0);
        result = 31 * result + (accountId != null ? accountId.hashCode() : 0);
        result = 31 * result + (accountKey != null ? accountKey.hashCode() : 0);
        result = 31 * result + (invoiceDate != null ? invoiceDate.hashCode() : 0);
        result = 31 * result + (targetDate != null ? targetDate.hashCode() : 0);
        result = 31 * result + (currency != null ? currency.hashCode() : 0);
        result = 31 * result + (balance != null ? balance.hashCode() : 0);
        result = 31 * result + (amountPaid != null ? amountPaid.hashCode() : 0);
        result = 31 * result + (amountCharged != null ? amountCharged.hashCode() : 0);
        result = 31 * result + (amountCredited != null ? amountCredited.hashCode() : 0);
        return result;
    }
}
