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/*
 * Copyright © 2019 Dominokit
 *
 * Licensed 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 org.dominokit.domino.ui.datatable;

import static java.util.Objects.nonNull;
import static org.dominokit.domino.ui.utils.Domino.*;
import static org.dominokit.domino.ui.utils.ElementsFactory.elements;

import elemental2.dom.HTMLTableCellElement;
import org.dominokit.domino.ui.utils.DominoElement;

/**
 * The {@code RowCell} class represents a cell within a data table row. It encapsulates the cell's
 * rendering logic and provides methods to update the content of the cell based on the associated
 * column configuration and cell data.
 *
 * @param  The type of data contained in the cell.
 */
public class RowCell {

  /** The column configuration associated with this cell. */
  private final ColumnConfig columnConfig;

  /**
   * Information about the cell, including its parent row and the HTML element representing the
   * cell.
   */
  private final CellRenderer.CellInfo cellInfo;

  /** The default cell renderer used when no custom renderer is specified. */
  private CellRenderer defaultCellRenderer = cell -> elements.text();

  /**
   * Constructs a new {@code RowCell} with the given cell information and column configuration.
   *
   * @param cellInfo Information about the cell.
   * @param columnConfig The column configuration associated with this cell.
   */
  public RowCell(CellRenderer.CellInfo cellInfo, ColumnConfig columnConfig) {
    this.columnConfig = columnConfig;
    this.cellInfo = cellInfo;
  }

  /**
   * Gets the column configuration associated with this cell.
   *
   * @return The column configuration of this cell.
   */
  public ColumnConfig getColumnConfig() {
    return columnConfig;
  }

  /**
   * Updates the content of the cell based on the associated column configuration and cell data.
   * This method should be called whenever the cell's content needs to be refreshed.
   */
  public void updateCell() {
    DominoElement cellElement = elements.elementOf(cellInfo.getElement());
    cellElement.clearElement();

    if (nonNull(columnConfig.getTextAlign())) {
      cellElement.addCss(columnConfig.getTextAlign());
    }

    if (nonNull(columnConfig.getHeaderTextAlign())) {
      columnConfig.getHeadElement().addCss(columnConfig.getHeaderTextAlign());
    }

    if (cellInfo.getTableRow().isEditable()) {
      if (nonNull(columnConfig.getEditableCellRenderer())) {
        cellElement.appendChild(columnConfig.getEditableCellRenderer().asElement(cellInfo));
      } else {
        cellElement.appendChild(defaultCellRenderer.asElement(cellInfo));
      }
    } else {
      if (nonNull(columnConfig.getCellRenderer())) {
        cellElement.appendChild(columnConfig.getCellRenderer().asElement(cellInfo));
      } else {
        cellElement.appendChild(defaultCellRenderer.asElement(cellInfo));
      }
    }
  }

  /**
   * Gets the information about the cell, including its parent row and the HTML element representing
   * the cell.
   *
   * @return Information about the cell.
   */
  public CellRenderer.CellInfo getCellInfo() {
    return cellInfo;
  }
}