/*
 * Axelor Business Solutions
 *
 * Copyright (C) 2019 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 com.axelor.apps.account.service.invoice.generator.invoice;

import com.axelor.apps.account.db.Invoice;
import com.axelor.apps.account.db.InvoiceLine;
import com.axelor.apps.account.db.repo.InvoiceRepository;
import com.axelor.apps.account.exception.IExceptionMessage;
import com.axelor.apps.account.service.invoice.InvoiceToolService;
import com.axelor.apps.account.service.invoice.generator.InvoiceGenerator;
import com.axelor.exception.AxelorException;
import com.axelor.exception.db.repo.TraceBackRepository;
import com.axelor.i18n.I18n;
import com.axelor.inject.Beans;
import java.lang.invoke.MethodHandles;
import java.util.ArrayList;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class RefundInvoice extends InvoiceGenerator implements InvoiceStrategy {

  private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  private Invoice invoice;

  public RefundInvoice(Invoice invoice) {

    super();

    this.invoice = invoice;
  }

  @Override
  public Invoice generate() throws AxelorException {

    LOG.debug("Créer un avoir pour la facture {}", new Object[] {invoice.getInvoiceId()});

    Invoice refund = Beans.get(InvoiceRepository.class).copy(invoice, true);

    refund.setOperationTypeSelect(this.inverseOperationType(refund.getOperationTypeSelect()));

    List<InvoiceLine> refundLines = new ArrayList<InvoiceLine>();
    if (refund.getInvoiceLineList() != null) {
      refundLines.addAll(refund.getInvoiceLineList());
    }

    populate(refund, refundLines);

    // Payment mode should not be the invoice payment mode. It must come
    // from the partner or the company, or be null.
    refund.setPaymentMode(InvoiceToolService.getPaymentMode(refund));

    if (refund.getPaymentMode() == null) {
      throw new AxelorException(
          TraceBackRepository.CATEGORY_MISSING_FIELD,
          I18n.get(IExceptionMessage.REFUND_INVOICE_1),
          I18n.get(com.axelor.apps.base.exceptions.IExceptionMessage.EXCEPTION));
    }

    return refund;
  }

  @Override
  public void populate(Invoice invoice, List<InvoiceLine> invoiceLines) throws AxelorException {

    super.populate(invoice, invoiceLines);
  }

  /**
   * Mets à jour les lignes de facture en appliquant la négation aux prix unitaires et au total hors
   * taxe.
   *
   * @param invoiceLines
   */
  @Deprecated
  protected void refundInvoiceLines(List<InvoiceLine> invoiceLines) {

    for (InvoiceLine invoiceLine : invoiceLines) {

      invoiceLine.setQty(invoiceLine.getQty().negate());
      invoiceLine.setExTaxTotal(invoiceLine.getExTaxTotal().negate());
    }
  }
}
