/*
 * #%L
 * gitools-core
 * %%
 * Copyright (C) 2013 Universitat Pompeu Fabra - Biomedical Genomics group
 * %%
 * This program 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.
 * 
 * This program 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 this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */
package org.gitools.api.persistence;

import com.google.common.collect.ObjectArrays;
import org.gitools.api.ApplicationContext;
import org.gitools.api.resource.IResource;
import org.gitools.api.resource.IResourceFormat;

import java.util.Collection;

public class FileFormat {

    private final String title;
    private final String extension;
    private final boolean titleWithExtension;
    private final boolean allowGzExtension;
    private final boolean allowZipExtension;

    public FileFormat(String title, String extension) {
        this(title, extension, true, true);
    }

    public FileFormat(String title, String extension, boolean titleWithExtension, boolean allowGzExtension) {
        this(title, extension, titleWithExtension, allowGzExtension, false);
    }

    public FileFormat(String title, String extension, boolean titleWithExtension, boolean allowGzExtension, boolean allowZipExtension) {
        this.title = title;
        this.extension = extension;
        this.titleWithExtension = titleWithExtension;
        this.allowGzExtension = allowGzExtension;
        this.allowZipExtension = allowZipExtension;
    }

    public String getTitle() {
        return title;
    }


    public String getTitleWithExtension() {
        StringBuilder sb = new StringBuilder();
        sb.append(title).append(" (").append(extension);
        if (allowGzExtension) {
            sb.append(", ").append(extension).append(".gz");
        }
        if (allowZipExtension) {
            sb.append(", ").append(extension).append(".zip");
        }
        sb.append(")");
        return sb.toString();
    }

    public String getExtension() {
        return extension;
    }

    public boolean checkExtension(String fileName) {
        fileName = fileName.toLowerCase();
        String ext = extension.toLowerCase();
        return fileName.endsWith(ext) || (allowGzExtension && fileName.endsWith(ext + ".gz")) || (allowZipExtension && fileName.endsWith(ext + ".zip"));
    }

    public <R extends IResource> IResourceFormat<R> getFormat(Class<R> resourceClass) {
        return ApplicationContext.getPersistenceManager().getFormat(getExtension(), resourceClass);
    }


    @Override
    public String toString() {
        return titleWithExtension ? getTitleWithExtension() : getTitle();
    }

    public static FileFormat[] concat(Collection<FileFormat> collection, FileFormat... array) {
        return ObjectArrays.concat(collection.toArray(new FileFormat[collection.size()]), array, FileFormat.class);
    }
}