/*
 * [BglossCustomiser.java]
 *
 * Summary: Search gay and black glossary for <dt>anchors and terms.
 *
 * Copyright: (c) 2007-2017 Roedy Green, Canadian Mind Products, http://mindprod.com
 *
 * Licence: This software may be copied and used freely for any purpose but military.
 *          http://mindprod.com/contact/nonmil.html
 *
 * Requires: JDK 1.8+
 *
 * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/
 *
 * Version History:
 *  2.2 2007-04-27 use enum for each embellishment letter. use CSS for single icons.
 */
package com.mindprod.qf;

import com.mindprod.filter.ExtensionListFilter;

import java.io.File;
import java.io.FilenameFilter;
import java.util.Arrays;
import java.util.Iterator;

import static com.mindprod.htmlmacros.macro.Global.configuration;

/**
 * Search gay and black glossary for <dt>anchors and terms.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 2.2 2007-04-27 use enum for each embellishment letter. use CSS for single icons.
 * @since 2007
 */
public final class BglossCustomiser extends AbstractGlossCustomiser
    {
    /**
     * directory where we put the generated indexes.
     */
    private static final String includeDirName;

    /**
     * directory where the bgloss is kept
     */
    private static final String inputDirName;

    /**
     * root directory of website
     */
    private static final String webrootDirname;

    /**
     * Iterator that coughs up next input file to process per prod.
     */
    private static final Iterator fileIterator;

    static
        {
        // combine dirsWithMacros and dirsWithIncludes into dirsToProcess;
        webrootDirname = configuration.getLocalWebrootWithSlashes();
        includeDirName = webrootDirname + "/bgloss/include/";
        inputDirName = webrootDirname + "/bgloss/";
        }

    static
        {
        // find all files of form E:\mindprod\bgloss\*.html
        FilenameFilter f = new ExtensionListFilter( "html" );
        String[] filenames = new File( inputDirName ).list( f );
        fileIterator = Arrays.asList( filenames ).iterator();
        }

    /**
     * constructor
     */
    public BglossCustomiser()
        {
        }

    /**
     * base name of glossary, e.g. lgloss jgloss used to build other names.
     *
     * @return name of glossary
     */
    public String getBaseName()
        {
        return "bgloss";
        }

    /**
     * estimate of how many entries in the index. Will be a bit larger than the number of files.
     *
     * @return estimated number of index entires in this glossary
     */
    public int getEstimatedIndexEntries()
        {
        return ( 2000 );
        }

    /**
     * get glossary enum associated with this embellisher
     *
     * @return glossary
     */
    public Gloss getGlossEnum()
        {
        return Gloss.BGLOSS;
        }

    /**
     * directory where we put the generated indexes. Also where embellishments live
     *
     * @return directory when output files go files are, WITH TRAILING /.
     */
    public String getIncludeDirName()
        {
        return includeDirName;
        }

    /**
     * Get directory where input files are,
     *
     * @return directory when input files are, WITH TRAILING /.
     */
    public String getInputDirName()
        {
        return inputDirName;
        }

    /**
     * Get unqualified name of the next input file we are are scanning for anchors/terms
     *
     * @return unqualified filename. Watch \ which must be doubled in Java Strings. Indicates has no more files to
     * process either by repeating the last filename, or by returning null.
     */
    public String getNextInFilename()
        {
        // return next file in list, null when done
        return fileIterator.hasNext() ? ( String ) fileIterator.next() : null;
        }

    /**
     * Do we need to produce index pages for each individual letter of the alphabet.
     *
     * @return true if individual indexes needed.
     */
    public boolean needIndividualLetterIndexes()
        {
        return true;
        }
    } // end BGlossCustomiser