/*
 * Copyright 2000-2016 JetBrains s.r.o.
 *
 * 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 com.intellij.structuralsearch.plugin.ui;

import com.intellij.navigation.ItemPresentation;
import com.intellij.openapi.actionSystem.ActionManager;
import com.intellij.openapi.actionSystem.KeyboardShortcut;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.fileEditor.FileEditor;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiFile;
import com.intellij.structuralsearch.MatchOptions;
import com.intellij.structuralsearch.SSRBundle;
import com.intellij.structuralsearch.plugin.replace.ui.ReplaceConfiguration;
import com.intellij.usages.ConfigurableUsageTarget;
import org.jetbrains.annotations.NotNull;

import javax.swing.*;

/**
 * @author Bas Leijdekkers
 */
class StructuralSearchUsageTarget implements ConfigurableUsageTarget, ItemPresentation {

  private final Configuration myConfiguration;
  private final Runnable mySearchStarter;
  private final SearchContext mySearchContext;

  StructuralSearchUsageTarget(Configuration configuration, SearchContext searchContext, Runnable searchStarter) {
    myConfiguration = configuration;
    mySearchStarter = searchStarter;
    mySearchContext = searchContext;
  }

  @NotNull
  @Override
  public String getPresentableText() {
    return myConfiguration.getMatchOptions().getSearchPattern();
  }

  @Override
  public String getLocationString() {
    //noinspection HardCodedStringLiteral
    return "Do Not Know Where";
  }

  @Override
  public Icon getIcon(boolean open) {
    return null;
  }

  @Override
  public void findUsages() {
    mySearchStarter.run();
  }

  @Override
  public void findUsagesInEditor(@NotNull FileEditor editor) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void highlightUsages(@NotNull PsiFile file, @NotNull Editor editor, boolean clearHighlights) {
    throw new UnsupportedOperationException();
  }

  @Override
  public boolean isValid() {
    return true;
  }

  @Override
  public boolean isReadOnly() {
    return true;
  }

  @Override
  public VirtualFile[] getFiles() {
    return null;
  }

  @Override
  public void update() {
  }

  @Override
  public String getName() {
    //noinspection HardCodedStringLiteral
    return "my name";
  }

  @Override
  public ItemPresentation getPresentation() {
    return this;
  }

  @Override
  public void navigate(boolean requestFocus) {
    throw new UnsupportedOperationException();
  }

  @Override
  public boolean canNavigate() {
    return false;
  }

  @Override
  public boolean canNavigateToSource() {
    return false;
  }

  @Override
  public void showSettings() {
    UIUtil.invokeAction(myConfiguration, mySearchContext);
  }

  @Override
  public KeyboardShortcut getShortcut() {
    return ActionManager.getInstance().getKeyboardShortcut(myConfiguration instanceof ReplaceConfiguration
                                                           ? "StructuralSearchPlugin.StructuralReplaceAction"
                                                           : "StructuralSearchPlugin.StructuralSearchAction");
  }

  @NotNull
  @Override
  public String getLongDescriptiveName() {
    final MatchOptions matchOptions = myConfiguration.getMatchOptions();
    final String pattern = matchOptions.getSearchPattern();
    final String scope = matchOptions.getScope().getDisplayName();
    final String result;
    if (myConfiguration instanceof ReplaceConfiguration) {
      final ReplaceConfiguration replaceConfiguration = (ReplaceConfiguration)myConfiguration;
      final String replacement = replaceConfiguration.getOptions().getReplacement();
      result = SSRBundle.message("replace.occurrences.of.0.with.1.in.2", pattern, replacement, scope);
    }
    else {
      result = SSRBundle.message("occurrences.of.0.in.1", pattern, scope);
    }
    return StringUtil.shortenTextWithEllipsis(result, 150, 0, true);
  }
}