/*******************************************************************************
    * Copyhacked (H) 2012-2025.
    * This program and the accompanying materials
    * are made available under no term at all, use it like
    * you want, but share and discuss it
    * every time possible with every body.
    * 
    * Contributors:
    *      ron190 at ymail dot com - initial implementation
   ******************************************************************************/
  package com.jsql.view.swing.manager;
  
  import com.jsql.util.I18nUtil;
  import com.jsql.util.LogLevelUtil;
  import com.jsql.view.swing.list.DnDList;
  import com.jsql.view.swing.list.ItemList;
  import com.jsql.view.swing.manager.util.JButtonStateful;
  import com.jsql.view.swing.manager.util.StateButton;
  import com.jsql.view.swing.text.JToolTipI18n;
  import com.jsql.view.swing.util.I18nViewUtil;
  import com.jsql.view.swing.util.UiUtil;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  
  import javax.swing.*;
  import java.awt.*;
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.nio.charset.StandardCharsets;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Objects;
  import java.util.concurrent.atomic.AtomicBoolean;
  import java.util.concurrent.atomic.AtomicReference;
  import java.util.stream.StreamSupport;
  
  /**
   * Abstract manager containing a drag and drop list of item.
   */
  public abstract class AbstractManagerList extends JPanel {
  
      private static final Logger LOGGER = LogManager.getRootLogger();
  
      public static final String PRIVILEGE_TOOLTIP = "PRIVILEGE_TOOLTIP";
      protected final transient List<ItemList> itemsList = new ArrayList<>();
      protected final JPanel lastLine = new JPanel();
  
      /**
       * Contains the paths of files.
       */
      protected DnDList listPaths;
      protected final JScrollPane scrollListPaths;
  
      /**
       * Starts the upload process.
       */
      protected JButtonStateful run;
  
      /**
       * Display the FILE privilege of current user.
       */
      protected JLabel privilege;
  
      /**
       * Text of the button that start the upload process.
       * Used to get back the default text after a search (defaultText->"Stop"->defaultText).
       */
      protected String labelI18nRunButton;
      protected String tooltipI18nRunButton;
  
      /**
       * An animated bar displayed during processing.
       */
      protected final JProgressBar progressBar = new JProgressBar();
      protected final Component horizontalGlue = Box.createHorizontalGlue();
  
      protected AbstractManagerList(String nameFile) {
          this.setLayout(new BorderLayout());
  
          this.buildList(nameFile);
          this.progressBar.setIndeterminate(true);
          this.progressBar.setVisible(false);
          this.progressBar.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));
          this.lastLine.setLayout(new BoxLayout(this.lastLine, BoxLayout.X_AXIS));
  
          this.scrollListPaths = new JScrollPane(this.listPaths);
          this.add(this.scrollListPaths, BorderLayout.CENTER);
      }
  
      public void buildRunButton(String labelI18n, String tooltipI18n) {
          this.labelI18nRunButton = labelI18n;
          this.tooltipI18nRunButton = tooltipI18n;
          var tooltip = new AtomicReference<>(new JToolTipI18n(I18nUtil.valueByKey(this.tooltipI18nRunButton)));
          this.run = new JButtonStateful(this.labelI18nRunButton) {
              @Override
              public JToolTip createToolTip() {
                  return tooltip.get();
             }
         };
         I18nViewUtil.addComponentForKey(this.labelI18nRunButton, this.run);
         I18nViewUtil.addComponentForKey(this.tooltipI18nRunButton, tooltip.get());
         this.run.setToolTipText(I18nUtil.valueByKey(this.tooltipI18nRunButton));
     }
 
     public void buildList(String nameFile) {
         try (
             var inputStream = UiUtil.class.getClassLoader().getResourceAsStream(nameFile);
             var inputStreamReader = new InputStreamReader(Objects.requireNonNull(inputStream), StandardCharsets.UTF_8);
             var reader = new BufferedReader(inputStreamReader)
         ) {
             String line;
             while ((line = reader.readLine()) != null) {
                 this.itemsList.add(new ItemList(line));
             }
             this.listPaths = new DnDList(this.itemsList);
         } catch (IOException e) {
             LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
         }
     }
 
     public void buildPrivilege() {
         var tooltip = new AtomicReference<>(new JToolTipI18n(I18nUtil.valueByKey(AbstractManagerList.PRIVILEGE_TOOLTIP)));
         this.privilege = new JLabel(I18nUtil.valueByKey("PRIVILEGE_LABEL"), UiUtil.SQUARE.getIcon(), SwingConstants.LEFT) {
             @Override
             public JToolTip createToolTip() {
                 return tooltip.get();
             }
         };
         I18nViewUtil.addComponentForKey("PRIVILEGE_LABEL", this.privilege);
         I18nViewUtil.addComponentForKey(AbstractManagerList.PRIVILEGE_TOOLTIP, tooltip.get());
         this.privilege.setToolTipText(I18nUtil.valueByKey(AbstractManagerList.PRIVILEGE_TOOLTIP));
 
         this.lastLine.add(Box.createHorizontalStrut(5));
         this.lastLine.add(this.privilege);
         this.lastLine.add(this.horizontalGlue);
         this.lastLine.add(this.progressBar);
         this.lastLine.add(this.run);
     }
 
     /**
      * Add a new string to the list if it's not a duplicate.
      * @param element The string to add to the list
      */
     public void addToList(String element) {
         AtomicBoolean isFound = new AtomicBoolean(false);
 
         DefaultListModel<ItemList> listModel = (DefaultListModel<ItemList>) this.listPaths.getModel();
         Iterable<ItemList> iterable = () -> listModel.elements().asIterator();
         StreamSupport.stream(iterable.spliterator(), false)
             .filter(itemList -> itemList.toString().equals(element))
             .forEach(itemList -> isFound.set(true));
 
         if (!isFound.get()) {
             listModel.add(0, new ItemList(element));
         }
     }
     
     public void highlight(String url, String tag) {
         var itemLabel = String.format(" [%s]", tag);
         DefaultListModel<ItemList> listModel = (DefaultListModel<ItemList>) this.listPaths.getModel();
         for (var i = 0 ; i < listModel.getSize() ; i++) {
             ItemList itemList = listModel.getElementAt(i);
             if (url.contains(itemList.getOriginalString())) {
                 itemList.setVulnerable(true);
                 itemList.setInternalString(
                     itemList.getInternalString().replace(itemLabel, StringUtils.EMPTY) + itemLabel
                 );
                 listModel.setElementAt(itemList, i);
             }
         }
     }
     
     public void endProcess() {
         SwingUtilities.invokeLater(() -> {  // required to prevent scan glitches
             this.run.setText(I18nViewUtil.valueByKey(this.labelI18nRunButton));
             this.setButtonEnable(true);
             this.progressBar.setVisible(false);
             this.horizontalGlue.setVisible(true);
             this.run.setState(StateButton.STARTABLE);
         });
     }
 
     /**
      * Enable or disable the button.
      * @param isEnable The new state of the button
      */
     public void setButtonEnable(boolean isEnable) {
         this.run.setEnabled(isEnable);
     }
 
     /**
      * Display another icon to the Privilege label.
      * @param icon The new icon
      */
     public void changePrivilegeIcon(Icon icon) {
         this.privilege.setIcon(icon);
     }
 }