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package org.netbeans.modules.php.codeception;

import java.util.ArrayList;

import java.util.Collection;

import java.util.Collections;

import java.util.List;

import java.util.prefs.PreferenceChangeEvent;

import java.util.prefs.PreferenceChangeListener;

import javax.swing.event.ChangeListener;

import org.netbeans.api.project.Project;

import org.netbeans.modules.php.api.phpmodule.PhpModule;

import org.netbeans.modules.php.codeception.commands.Codecept;

import org.netbeans.modules.php.codeception.preferences.CodeceptionPreferences;

import org.netbeans.modules.php.spi.phpmodule.ImportantFilesImplementation;

import org.netbeans.modules.php.spi.phpmodule.ImportantFilesSupport;

import org.netbeans.spi.project.ProjectServiceProvider;

import org.openide.filesystems.FileObject;

import org.openide.util.ChangeSupport;

import org.openide.util.WeakListeners;

public final class ImportantFilesImpl implements ImportantFilesImplementation, PreferenceChangeListener {

    private final Project project;

    private final ChangeSupport changeSupport = new ChangeSupport(this);

    private final ImportantFilesSupport defaultConfigSupport;

    private boolean initialized = false;

    private ImportantFilesImpl(Project project) {

        assert project != null;

        this.project = project;

        defaultConfigSupport = ImportantFilesSupport.create(project.getProjectDirectory(), Codecept.CODECEPTION_CONFIG_FILE_NAME);

    }

    @ProjectServiceProvider(service = ImportantFilesImplementation.class, projectType = "org-netbeans-modules-php-project") // NOI18N

    public static ImportantFilesImplementation createImpotantFiles(Project project) {

        ImportantFilesImpl importantFiles = new ImportantFilesImpl(project);

        return importantFiles;

    }

    @Override

    public Collection<FileInfo> getFiles() {

        PhpModule phpModule = PhpModule.Factory.lookupPhpModule(project);

        if (phpModule == null) {

            return Collections.emptyList();

        }

        if (!initialized) {

            initialized = true;

            CodeceptionPreferences.addPreferenceChangeListener(phpModule, WeakListeners.create(PreferenceChangeListener.class, this, CodeceptionPreferences.class));

        }

        // global configuration

        List<FileInfo> files = new ArrayList<>();

        files.addAll(defaultConfigSupport.getFiles(null));

        if (CodeceptionPreferences.isCustomCodeceptionYmlEnabled(phpModule)) {

            FileObject codeceptionYml = Codecept.getCodeceptionYml(phpModule);

            if (codeceptionYml != null) {

                files.add(new FileInfo(codeceptionYml));

            }

        }

        return files;

    }

    @Override

    public void addChangeListener(ChangeListener listener) {

        changeSupport.addChangeListener(listener);

        defaultConfigSupport.addChangeListener(listener);

    }

    @Override

    public void removeChangeListener(ChangeListener listener) {

        changeSupport.removeChangeListener(listener);

        defaultConfigSupport.removeChangeListener(listener);

    }

    @Override

    public void preferenceChange(PreferenceChangeEvent evt) {

        if (CodeceptionPreferences.CUSTOM_CODECEPTION_YML_PATH.equals(evt.getKey())

                || CodeceptionPreferences.CUSTOM_CODECEPTION_YML_ENABLED.equals(evt.getKey())) {

            fireChange();

        }

    }

    void fireChange() {

        changeSupport.fireChange();

    }

}

    private static final String SUITE_CONFIG_SUFFIX = ".suite.yml"; // NOI18N

import java.util.concurrent.ConcurrentHashMap;

import java.util.concurrent.ConcurrentMap;

import java.util.prefs.PreferenceChangeListener;

    private static final ConcurrentMap<PhpModule, Preferences> CACHE = new ConcurrentHashMap<>();

    public static void addPreferenceChangeListener(PhpModule phpModule, PreferenceChangeListener listener) {

        getPreference(phpModule).addPreferenceChangeListener(listener);

    }

    public static void removePreferenceChangeListener(PhpModule phpModule, PreferenceChangeListener listener) {

        getPreference(phpModule).removePreferenceChangeListener(listener);

    }