/*
 * 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.catalog.api.Plan;
import com.ning.billing.catalog.api.PlanPhase;
import com.ning.billing.invoice.api.InvoiceItem;

public class BusinessInvoiceItem {
    private final UUID itemId;
    private final DateTime createdDate;
    private final DateTime updatedDate;
    private final UUID invoiceId;
    private final String itemType;
    private final String externalKey;
    private final String productName;
    private final String productType;
    private final String productCategory;
    private final String slug;
    private final String phase;
    private final String billingPeriod;
    private final DateTime startDate;
    private final DateTime endDate;
    private final BigDecimal amount;
    private final Currency currency;

    public BusinessInvoiceItem(final BigDecimal amount, final String billingPeriod, final DateTime createdDate,
                               final Currency currency, final DateTime endDate, final String externalKey,
                               final UUID invoiceId, final UUID itemId, final String itemType, final String phase,
                               final String productCategory, final String productName, final String productType,
                               final String slug, final DateTime startDate, final DateTime updatedDate) {
        this.amount = amount;
        this.billingPeriod = billingPeriod;
        this.createdDate = createdDate;
        this.currency = currency;
        this.endDate = endDate;
        this.externalKey = externalKey;
        this.invoiceId = invoiceId;
        this.itemId = itemId;
        this.itemType = itemType;
        this.phase = phase;
        this.productCategory = productCategory;
        this.productName = productName;
        this.productType = productType;
        this.slug = slug;
        this.startDate = startDate;
        this.updatedDate = updatedDate;
    }

    public BusinessInvoiceItem(final String externalKey, final InvoiceItem invoiceItem, final Plan plan, final PlanPhase planPhase) {
        this(invoiceItem.getAmount(), planPhase.getBillingPeriod().toString(), new DateTime(DateTimeZone.UTC), invoiceItem.getCurrency(), invoiceItem.getEndDate(),
             externalKey, invoiceItem.getInvoiceId(), invoiceItem.getId(), invoiceItem.getInvoiceItemType().toString(),
             planPhase.getPhaseType().toString(), plan.getProduct().getCategory().toString(), plan.getProduct().getName(), plan.getProduct().getCatalogName(),
             planPhase.getName(), invoiceItem.getStartDate(), new DateTime(DateTimeZone.UTC));
    }

    public DateTime getCreatedDate() {
        return createdDate;
    }

    public UUID getItemId() {
        return itemId;
    }

    public BigDecimal getAmount() {
        return amount;
    }

    public String getBillingPeriod() {
        return billingPeriod;
    }

    public Currency getCurrency() {
        return currency;
    }

    public DateTime getEndDate() {
        return endDate;
    }

    public String getExternalKey() {
        return externalKey;
    }

    public UUID getInvoiceId() {
        return invoiceId;
    }

    public String getItemType() {
        return itemType;
    }

    public String getPhase() {
        return phase;
    }

    public String getProductCategory() {
        return productCategory;
    }

    public String getProductName() {
        return productName;
    }

    public String getProductType() {
        return productType;
    }

    public String getSlug() {
        return slug;
    }

    public DateTime getStartDate() {
        return startDate;
    }

    public DateTime getUpdatedDate() {
        return updatedDate;
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder();
        sb.append("BusinessInvoiceItem");
        sb.append("{amount=").append(amount);
        sb.append(", itemId=").append(itemId);
        sb.append(", createdDate=").append(createdDate);
        sb.append(", updatedDate=").append(updatedDate);
        sb.append(", invoiceId=").append(invoiceId);
        sb.append(", itemType='").append(itemType).append('\'');
        sb.append(", externalKey='").append(externalKey).append('\'');
        sb.append(", productName='").append(productName).append('\'');
        sb.append(", productType='").append(productType).append('\'');
        sb.append(", productCategory='").append(productCategory).append('\'');
        sb.append(", slug='").append(slug).append('\'');
        sb.append(", phase='").append(phase).append('\'');
        sb.append(", billingPeriod='").append(billingPeriod).append('\'');
        sb.append(", startDate=").append(startDate);
        sb.append(", endDate=").append(endDate);
        sb.append(", currency=").append(currency);
        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 BusinessInvoiceItem that = (BusinessInvoiceItem) o;

        if (amount != null ? Rounder.round(amount) != (Rounder.round(that.amount)) : that.amount != null) {
            return false;
        }
        if (billingPeriod != null ? !billingPeriod.equals(that.billingPeriod) : that.billingPeriod != null) {
            return false;
        }
        if (createdDate != null ? !createdDate.equals(that.createdDate) : that.createdDate != null) {
            return false;
        }
        if (currency != that.currency) {
            return false;
        }
        if (endDate != null ? !endDate.equals(that.endDate) : that.endDate != null) {
            return false;
        }
        if (externalKey != null ? !externalKey.equals(that.externalKey) : that.externalKey != null) {
            return false;
        }
        if (invoiceId != null ? !invoiceId.equals(that.invoiceId) : that.invoiceId != null) {
            return false;
        }
        if (itemId != null ? !itemId.equals(that.itemId) : that.itemId != null) {
            return false;
        }
        if (itemType != null ? !itemType.equals(that.itemType) : that.itemType != null) {
            return false;
        }
        if (phase != null ? !phase.equals(that.phase) : that.phase != null) {
            return false;
        }
        if (productCategory != null ? !productCategory.equals(that.productCategory) : that.productCategory != null) {
            return false;
        }
        if (productName != null ? !productName.equals(that.productName) : that.productName != null) {
            return false;
        }
        if (productType != null ? !productType.equals(that.productType) : that.productType != null) {
            return false;
        }
        if (slug != null ? !slug.equals(that.slug) : that.slug != null) {
            return false;
        }
        if (startDate != null ? !startDate.equals(that.startDate) : that.startDate != null) {
            return false;
        }
        if (updatedDate != null ? !updatedDate.equals(that.updatedDate) : that.updatedDate != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = itemId != null ? itemId.hashCode() : 0;
        result = 31 * result + (createdDate != null ? createdDate.hashCode() : 0);
        result = 31 * result + (updatedDate != null ? updatedDate.hashCode() : 0);
        result = 31 * result + (invoiceId != null ? invoiceId.hashCode() : 0);
        result = 31 * result + (itemType != null ? itemType.hashCode() : 0);
        result = 31 * result + (externalKey != null ? externalKey.hashCode() : 0);
        result = 31 * result + (productName != null ? productName.hashCode() : 0);
        result = 31 * result + (productType != null ? productType.hashCode() : 0);
        result = 31 * result + (productCategory != null ? productCategory.hashCode() : 0);
        result = 31 * result + (slug != null ? slug.hashCode() : 0);
        result = 31 * result + (phase != null ? phase.hashCode() : 0);
        result = 31 * result + (billingPeriod != null ? billingPeriod.hashCode() : 0);
        result = 31 * result + (startDate != null ? startDate.hashCode() : 0);
        result = 31 * result + (endDate != null ? endDate.hashCode() : 0);
        result = 31 * result + (amount != null ? amount.hashCode() : 0);
        result = 31 * result + (currency != null ? currency.hashCode() : 0);
        return result;
    }
}
