/*
 * This program is part of the OpenLMIS logistics management information system platform software.
 * Copyright © 2013 VillageReach
 *
 * 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.  For additional information contact info@OpenLMIS.org. 
 */

package org.openlmis.pod.domain;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import org.openlmis.core.domain.BaseModel;
import org.openlmis.core.exception.DataException;
import org.openlmis.core.message.OpenLmisMessage;
import org.openlmis.rnr.domain.LineItem;
import org.openlmis.rnr.domain.RnrLineItem;
import org.openlmis.shipment.domain.ShipmentLineItem;

import static org.apache.commons.lang3.StringUtils.isEmpty;
import static com.fasterxml.jackson.databind.annotation.JsonSerialize.Inclusion;

/**
 *  OrderPODLineItem represents an entity that keeps track of delivered and returned quantities of a product.
 */

@Data
@NoArgsConstructor
@AllArgsConstructor
@EqualsAndHashCode(callSuper = false)
@JsonSerialize(include = Inclusion.NON_EMPTY)
public class OrderPODLineItem extends BaseModel {

  private Long podId;
  private String productCode;
  private String productCategory;
  private Integer productCategoryDisplayOrder;
  private Integer productDisplayOrder;
  private Integer quantityReceived;
  private String productName;
  private String dispensingUnit;
  private Integer packsToShip;
  private Integer quantityShipped;
  private Integer quantityReturned;
  private Boolean fullSupply;
  private String replacedProductCode;
  private String notes;

  public OrderPODLineItem(Long podId, String productCode, Integer quantityReceived) {
    this.podId = podId;
    this.productCode = productCode;
    this.quantityReceived = quantityReceived;
  }

  public OrderPODLineItem(LineItem lineItem, Long createdBy) {
    if (lineItem.isRnrLineItem()) {
      create((RnrLineItem) lineItem, createdBy);
      return;
    }
    create((ShipmentLineItem) lineItem, createdBy);
  }

  public void validate() {
    if (isEmpty(productCode) || quantityReceived == null) {
      throw new DataException("error.mandatory.fields.missing");
    }
    if (quantityReceived < 0) {
      throw new DataException(new OpenLmisMessage("error.invalid.received.quantity"));
    }
    if (quantityReturned != null && quantityReturned < 0) {
      throw new DataException(new OpenLmisMessage("error.invalid.returned.quantity"));
    }
  }

  private void create(RnrLineItem rnrLineItem, Long createdBy) {
    this.setProductCode(rnrLineItem.getProductCode());
    this.setProductCategory(rnrLineItem.getProductCategory());
    this.setProductCategoryDisplayOrder(rnrLineItem.getProductCategoryDisplayOrder());
    this.setProductDisplayOrder(rnrLineItem.getProductDisplayOrder());
    this.setProductName(rnrLineItem.getProduct());
    this.setDispensingUnit(rnrLineItem.getDispensingUnit());
    this.setPacksToShip(rnrLineItem.getPacksToShip());
    this.setFullSupply(rnrLineItem.getFullSupply());
    this.setCreatedBy(createdBy);
    this.setModifiedBy(createdBy);
  }

  private void create(ShipmentLineItem shipmentLineItem, Long createdBy) {
    this.setProductCode(shipmentLineItem.getProductCode());
    this.setProductCategory(shipmentLineItem.getProductCategory());
    this.setProductCategoryDisplayOrder(shipmentLineItem.getProductCategoryDisplayOrder());
    this.setProductDisplayOrder(shipmentLineItem.getProductDisplayOrder());
    this.setProductName(shipmentLineItem.getProductName());
    this.setDispensingUnit(shipmentLineItem.getDispensingUnit());
    this.setPacksToShip(shipmentLineItem.getPacksToShip());
    this.setFullSupply(shipmentLineItem.getFullSupply());
    this.setQuantityShipped(shipmentLineItem.getQuantityShipped());
    this.setReplacedProductCode(shipmentLineItem.getSubstitutedProductCode());
    this.setCreatedBy(createdBy);
    this.setModifiedBy(createdBy);
  }

  public void copy(OrderPODLineItem lineItem) {
    this.setQuantityReceived(lineItem.getQuantityReceived());
    this.setQuantityReturned(lineItem.getQuantityReturned());
    this.setNotes(lineItem.getNotes());
    this.setModifiedBy(lineItem.getModifiedBy());
  }
}