/*
 * Copyright 2000-2012 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.codeInspection.actions;

import com.intellij.analysis.AnalysisScope;
import com.intellij.analysis.BaseAnalysisAction;
import com.intellij.analysis.BaseAnalysisActionDialog;
import com.intellij.codeInspection.InspectionManager;
import com.intellij.codeInspection.InspectionProfile;
import com.intellij.codeInspection.InspectionsBundle;
import com.intellij.codeInspection.ex.GlobalInspectionContextImpl;
import com.intellij.codeInspection.ex.InspectionManagerEx;
import com.intellij.icons.AllIcons;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.options.ex.SingleConfigurableEditor;
import com.intellij.openapi.project.Project;
import com.intellij.profile.Profile;
import com.intellij.profile.ProfileManager;
import com.intellij.profile.codeInspection.InspectionProfileManager;
import com.intellij.profile.codeInspection.InspectionProjectProfileManager;
import com.intellij.profile.codeInspection.ui.ErrorsConfigurable;
import com.intellij.profile.codeInspection.ui.IDEInspectionToolsConfigurable;
import com.intellij.ui.ComboboxWithBrowseButton;
import com.intellij.ui.ListCellRendererWrapper;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Collection;
import java.util.TreeSet;

public class CodeInspectionAction extends BaseAnalysisAction {
  private GlobalInspectionContextImpl myGlobalInspectionContext = null;
  protected InspectionProfile myExternalProfile = null;

  public CodeInspectionAction() {
    super(InspectionsBundle.message("inspection.action.title"), InspectionsBundle.message("inspection.action.noun"));
  }

  public CodeInspectionAction(String title, String analysisNoon) {
    super(title, analysisNoon);
  }

  @Override
  protected void analyze(@NotNull Project project, @NotNull AnalysisScope scope) {
    try {
      scope.setSearchInLibraries(false);
      FileDocumentManager.getInstance().saveAllDocuments();
      final GlobalInspectionContextImpl inspectionContext = getGlobalInspectionContext(project);
      inspectionContext.setExternalProfile(myExternalProfile);
      inspectionContext.setCurrentScope(scope);
      inspectionContext.doInspections(scope);
    }
    finally {
      myGlobalInspectionContext = null;
      myExternalProfile = null;
    }
  }


  private GlobalInspectionContextImpl getGlobalInspectionContext(Project project) {
    if (myGlobalInspectionContext == null) {
      myGlobalInspectionContext = ((InspectionManagerEx)InspectionManager.getInstance(project)).createNewGlobalContext(false);
    }
    return myGlobalInspectionContext;
  }

  @Override
  @NonNls
  protected String getHelpTopic() {
    return "reference.dialogs.inspection.scope";
  }

  @Override
  protected void canceled() {
    super.canceled();
    myGlobalInspectionContext = null;
  }

  @Override
  protected JComponent getAdditionalActionSettings(@NotNull final Project project, final BaseAnalysisActionDialog dialog) {
    final AdditionalPanel panel = new AdditionalPanel();
    final InspectionManagerEx manager = (InspectionManagerEx)InspectionManager.getInstance(project);
    final JComboBox profiles = panel.myBrowseProfilesCombo.getComboBox();
    profiles.setRenderer(new ListCellRendererWrapper() {
      @Override
      public void customize(JList list, Object value, int index, boolean selected, boolean hasFocus) {
        if (value instanceof Profile) {
          final Profile profile = (Profile)value;
          setText(profile.getName());
          setIcon(profile.isLocal() ? AllIcons.General.Settings : AllIcons.General.ProjectSettings);
        }
      }
    });
    final InspectionProfileManager profileManager = InspectionProfileManager.getInstance();
    final InspectionProjectProfileManager projectProfileManager = InspectionProjectProfileManager.getInstance(project);
    reloadProfiles(profiles, profileManager, projectProfileManager, manager);
    panel.myBrowseProfilesCombo.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        final IDEInspectionToolsConfigurable errorConfigurable = createConfigurable(projectProfileManager, profileManager);
        final MySingleConfigurableEditor editor = new MySingleConfigurableEditor(project, errorConfigurable, manager);
        errorConfigurable.selectProfile(((Profile)profiles.getSelectedItem()).getName());
        editor.show();
        if (editor.isOK()) {
          reloadProfiles(profiles, profileManager, projectProfileManager, manager);
        }
        else {
          //if profile was disabled and cancel after apply was pressed
          final InspectionProfile profile = (InspectionProfile)profiles.getSelectedItem();
          final boolean canExecute = profile != null && profile.isExecutable(project);
          dialog.setOKActionEnabled(canExecute);
        }
      }
    });
    profiles.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        myExternalProfile = (InspectionProfile)profiles.getSelectedItem();
        final boolean canExecute = myExternalProfile != null && myExternalProfile.isExecutable(project);
        dialog.setOKActionEnabled(canExecute);
        if (canExecute) {
          manager.setProfile(myExternalProfile.getName());
        }
      }
    });
    final InspectionProfile profile = (InspectionProfile)profiles.getSelectedItem();
    dialog.setOKActionEnabled(profile != null && profile.isExecutable(project));
    return panel.myAdditionalPanel;
  }

  protected IDEInspectionToolsConfigurable createConfigurable(InspectionProjectProfileManager projectProfileManager,
                                                              InspectionProfileManager profileManager) {
    return new IDEInspectionToolsConfigurable(projectProfileManager, profileManager);
  }

  private void reloadProfiles(JComboBox profiles,
                              InspectionProfileManager inspectionProfileManager,
                              InspectionProjectProfileManager inspectionProjectProfileManager,
                              InspectionManagerEx inspectionManager) {
    final InspectionProfile selectedProfile = getGlobalInspectionContext(inspectionManager.getProject()).getCurrentProfile();
    final DefaultComboBoxModel model = (DefaultComboBoxModel)profiles.getModel();
    model.removeAllElements();
    fillModel(inspectionProfileManager, model);
    fillModel(inspectionProjectProfileManager, model);
    profiles.setSelectedItem(selectedProfile);
  }

  private static void fillModel(final ProfileManager inspectionProfileManager, final DefaultComboBoxModel model) {
    Collection<Profile> profiles = new TreeSet<Profile>(inspectionProfileManager.getProfiles());
    for (Profile profile : profiles) {
      model.addElement(profile);
    }
  }


  private static class AdditionalPanel {
    public ComboboxWithBrowseButton myBrowseProfilesCombo;
    public JPanel myAdditionalPanel;
  }

  private static class MySingleConfigurableEditor extends SingleConfigurableEditor {
    private final InspectionManagerEx myManager;

    public MySingleConfigurableEditor(final Project project, final ErrorsConfigurable configurable, InspectionManagerEx manager) {
      super(project, configurable, createDimensionKey(configurable));
      myManager = manager;
    }


    @Override
    protected void doOKAction() {
      final Object o = ((ErrorsConfigurable)getConfigurable()).getSelectedObject();
      if (o instanceof Profile) {
        myManager.setProfile(((Profile)o).getName());
      }
      super.doOKAction();
    }
  }
}