/*
    * CSVeed (https://github.com/42BV/CSVeed)
    *
    * Copyright 2013-2023 CSVeed.
    *
    * All rights reserved. This program and the accompanying materials
    * are made available under the terms of The Apache Software License,
    * Version 2.0 which accompanies this distribution, and is available at
    * https://www.apache.org/licenses/LICENSE-2.0.txt
   */
  package org.csveed.row;
  
  import java.util.Iterator;
  
  import org.csveed.api.Header;
  import org.csveed.api.Row;
  import org.csveed.common.Column;
  import org.csveed.report.CsvException;
  import org.csveed.report.GeneralError;
  import org.csveed.report.RowReport;
  
  /**
   * The Class RowImpl.
   */
  public class RowImpl implements Row {
  
      /** The line. */
      private Line line;
  
      /** The header. */
      private Header header;
  
      /**
       * Instantiates a new row impl.
       *
       * @param line
       *            the line
       * @param header
       *            the header
       */
      public RowImpl(Line line, Header header) {
          this.line = line;
          this.header = header;
      }
  
      @Override
      public Header getHeader() {
          if (this.header == null) {
              throw new CsvException(new GeneralError(
                      "No header has been found for this file. Set @CsvFile#useHeaders to read the header"));
          }
          return this.header;
      }
  
      @Override
      public RowReport reportOnEndOfLine() {
          return line.reportOnEndOfLine();
      }
  
      @Override
      public RowReport reportOnColumn(int columnIndex) {
          return line.reportOnColumn(new Column(columnIndex));
      }
  
      @Override
      public String get(String columnName) {
          return line.get(header.getIndex(columnName) - 1);
      }
  
      @Override
      public String getColumnName(int columnIndex) {
          return getHeader().getName(columnIndex);
      }
  
      @Override
      public boolean hasHeader() {
          return header != null;
      }
  
      @Override
      public int size() {
          return line.size();
      }
  
      @Override
      public String get(int columnIndex) {
          return line.get(columnIndex - 1);
      }
  
      /**
       * Returns an iterator over the individual cells of a Row
       *
       * @return iterator over the cells in String format
       */
      @Override
      public Iterator<String> iterator() {
          return line.iterator();
      }
  
 }