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/*
 * ==========================================================================
 * Copyright (C) 2019-2021 HCL America, Inc. ( http://www.hcl.com/ )
 *                            All rights reserved.
 * ==========================================================================
 * 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 .
 *
 * 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 com.hcl.domino.jnx.example.swt.doc;

import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;

import com.hcl.domino.DominoClient;
import com.hcl.domino.data.Database;
import com.hcl.domino.data.Document;
import com.hcl.domino.data.Item;
import com.hcl.domino.data.ItemDataType;
import com.hcl.domino.jnx.example.swt.info.AbstractInfoPane;

import jakarta.enterprise.inject.spi.CDI;
import jakarta.json.bind.Jsonb;

public class DocumentInfoPane extends AbstractInfoPane {

  private Text editor;

  public DocumentInfoPane(final Composite parent, final String serverName, final String databasePath, final String unid) {
    super(parent, unid);

    this.info("UNID", unid); //$NON-NLS-1$
    final ExecutorService exec = CDI.current().select(ExecutorService.class).get();

    try {
      @SuppressWarnings("unchecked")
      final List categories = exec.submit(() -> {
        final DominoClient client = CDI.current().select(DominoClient.class).get();
        final Database database = client.openDatabase(serverName, databasePath);
        final Document doc = database.getDocumentByUNID(unid).get();
        final Item catItem = doc.getFirstItem("Categories").orElse(null); //$NON-NLS-1$

        if (catItem != null && (catItem.getType() == ItemDataType.TYPE_TEXT || catItem.getType() == ItemDataType.TYPE_TEXT_LIST)) {
          return catItem.getAsList(String.class, Collections.emptyList());
        } else {
          return Collections.EMPTY_LIST;
        }
      }).get();

      this.info("Categories", categories);

      this.editor = new Text(this, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.WRAP | SWT.BORDER);
      this.editor.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
      // TODO pick a non-named font -
      // https://stackoverflow.com/questions/221568/swt-os-agnostic-way-to-get-monospaced-font
      this.editor.setFont(new Font(parent.getDisplay(), "Consolas", 12, SWT.NORMAL)); //$NON-NLS-1$

      final Jsonb jsonb = CDI.current().select(Jsonb.class).get();
      final String json = exec.submit(() -> {
        final DominoClient client = CDI.current().select(DominoClient.class).get();
        final Database database = client.openDatabase(serverName, databasePath);
        final Document doc = database.getDocumentByUNID(unid).get();
        return jsonb.toJson(doc);
      }).get();
      this.editor.setText(json);
      this.layout();

      this.editor.clearSelection();
    } catch (ExecutionException | InterruptedException e) {
      throw new RuntimeException(e);
    }
  }

  public String getJsonString() {
    return this.editor.getText();
  }

}