content: /*
   * Copyright 2017 Thomas Andres
   *
   * This file is part of Kandroid.
   *
   * Kandroid is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * Kandroid 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 General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package in.andres.kandroid;
  
  import android.content.Context;
  import android.support.annotation.NonNull;
  import android.support.annotation.Nullable;
  import android.text.TextUtils;
  import android.text.method.LinkMovementMethod;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.BaseExpandableListAdapter;
  import android.widget.TextView;
  
  import org.commonmark.node.Paragraph;
  import org.commonmark.parser.Parser;
  import org.commonmark.renderer.NodeRenderer;
  import org.commonmark.renderer.html.CoreHtmlNodeRenderer;
  import org.commonmark.renderer.html.HtmlNodeRendererContext;
  import org.commonmark.renderer.html.HtmlNodeRendererFactory;
  import org.commonmark.renderer.html.HtmlRenderer;
  import org.commonmark.renderer.html.HtmlWriter;
  
  import java.util.ArrayList;
  import java.util.Dictionary;
  import java.util.List;
  import java.util.Locale;
  
  import in.andres.kandroid.kanboard.KanboardColor;
  import in.andres.kandroid.kanboard.KanboardColumn;
  import in.andres.kandroid.kanboard.KanboardDashboard;
  import in.andres.kandroid.kanboard.KanboardProject;
  import in.andres.kandroid.kanboard.KanboardTask;
  
  public class DashProjectsAdapter extends BaseExpandableListAdapter {
      private Context mContext;
      private LayoutInflater mInflater;
      private KanboardDashboard mDashboard;
      private Dictionary<String, KanboardColor> mColors;
      private Parser mParser = Parser.builder().build();
      private HtmlRenderer mRenderer = HtmlRenderer.builder().nodeRendererFactory(new HtmlNodeRendererFactory() {
          @Override
          public NodeRenderer create(HtmlNodeRendererContext context) {
              // Compact paragraphs
              return new DashCompactHtmlRenderer(context);
          }
      }).build();
  
      public DashProjectsAdapter(@NonNull Context context, @NonNull KanboardDashboard values, @Nullable Dictionary<String, KanboardColor> colors) {
          mContext = context;
          mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
          mDashboard = values;
          mColors = colors;
      }
  
      @Override
      public int getGroupCount() {
          return mDashboard.getProjects().size();
      }
  
      @Override
      public int getChildrenCount(int groupPosition) {
          return mDashboard.getGroupedTasks().get(mDashboard.getProjects().get(groupPosition).getId()).size();
      }
  
      @Override
      public Object getGroup(int groupPosition) {
          return mDashboard.getProjects().get(groupPosition);
      }
  
      @Override
      public Object getChild(int groupPosition, int childPosition) {
          return mDashboard.getGroupedTasks().get(mDashboard.getProjects().get(groupPosition).getId()).get(childPosition);
      }
  
      @Override
      public long getGroupId(int groupPosition) {
          return 0;
      }
  
      @Override
      public long getChildId(int groupPosition, int childPosition) {
          return 0;
      }
  
      @Override
      public boolean hasStableIds() {
          return false;
      }
  
      @Override
      public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
          // Aboard if no groups exist
          if (getGroupCount() == 0)
              return convertView;
  
          KanboardProject proj = (KanboardProject) getGroup(groupPosition);
  
          if (convertView == null)
              convertView = mInflater.inflate(R.layout.listitem_dash_project_header, parent, false);
  
          TextView projectName = (TextView) convertView.findViewById(R.id.project_name);
          TextView projectDescription = (TextView) convertView.findViewById(R.id.project_description);
          //FIXME: List item does not expand when links are clickable
  //        projectDescription.setMovementMethod(LinkMovementMethod.getInstance());
          TextView projectColumns = (TextView) convertView.findViewById(R.id.project_columns);
          TextView projectNbTasks = (TextView) convertView.findViewById(R.id.project_nb_own_tasks);
          projectName.setText(proj.getName());
          if (proj.getDescription().contentEquals("") || proj.getDescription().contentEquals(""))
              projectDescription.setVisibility(View.GONE);
          else {
              projectDescription.setVisibility(View.VISIBLE);
              projectDescription.setText(Utils.fromHtml(mRenderer.render(mParser.parse(proj.getDescription()))));
          }
          List<String> columns = new ArrayList<>();
          for (KanboardColumn c: proj.getColumns())
              columns.add(String.format("<big><b>%1s</b></big> %2s", c.getNumberTasks(), c.getTitle()));
          projectColumns.setText(Utils.fromHtml(TextUtils.join(" <big><b>|</b></big> ", columns)));
          projectNbTasks.setText(mContext.getResources().getQuantityString(R.plurals.format_nb_tasks, getChildrenCount(groupPosition), getChildrenCount(groupPosition)));
  
          return convertView;
      }
  
      @Override
      public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
          KanboardTask child = (KanboardTask) getChild(groupPosition, childPosition);
  
          if (convertView == null)
              convertView = mInflater.inflate(R.layout.listitem_project_task, parent, false);
  
          ((TextView) convertView.findViewById(R.id.task_name)).setText(Utils.fromHtml(String.format(Locale.getDefault(), "<big><b>#%d</b></big><br />%s", child.getId(), child.getTitle())));
  
          convertView.findViewById(R.id.task_owner).setVisibility(View.INVISIBLE);
          convertView.findViewById(R.id.task_category).setVisibility(View.INVISIBLE);
  
          if (mColors != null && child.getColorId() != null && !child.getColorId().isEmpty())
              convertView.findViewById(R.id.list_card).setBackgroundColor(mColors.get(child.getColorId()).getBackground());
  
  //        if (child.getColorBackground() != null)
  //            convertView.findViewById(R.id.list_card).setBackgroundColor(child.getColorBackground());
  
          return convertView;
      }
  
      @Override
      public boolean isChildSelectable(int groupPosition, int childPosition) {
          return true;
      }
  
      class DashCompactHtmlRenderer extends CoreHtmlNodeRenderer {
  
          private final HtmlWriter html;
  
          DashCompactHtmlRenderer(HtmlNodeRendererContext context) {
              super(context);
              this.html = context.getWriter();
          }
  
          @Override
          public void visit(Paragraph node) {
              // Replace paragraphs with line breaks to get a compact view.
              html.line();
              visitChildren(node);
              if (node.getNext() != null) {
                  html.tag("br /");
                  html.line();
              }
          }
      }
  }
  