/*
 * [SortBookMenu.java]
 *
 * Summary: Sort a book menu.
 *
 * Copyright: (c) 2009-2017 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:
 *  1.0 2009-01-01 initial version
 */
package com.mindprod.stores;

import com.mindprod.common18.EIO;
import com.mindprod.hunkio.HunkIO;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import static java.lang.System.*;

/**
 * Sort a book menu.
 * <p/>
 * Obsolete.  Needs to be modified to use new ID style.
 * <p/>
 * find anchor in
 * {<a href="#SECRETSTRATEGY">Behind the War on Terror</a> by Nafeez Ahmed}
 * {<a href="#RUBICON" class="rec">Crossing the Rubicon</a> by Michael C. Ruppert}
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.0 2009-01-01 initial version
 * @since 2009-01-01
 */
public class SortBookMenu
    {
    private static final Pattern nameFinder = Pattern.compile( "\\{<a href=\"#([\\p{Upper}\\d_]+)\"[ >]" );

    public static void main( String[] args ) throws IOException
        {
        ArrayList<String> a = new ArrayList<>( 200 );
        // O P E N
        BufferedReader br = EIO.getBufferedReader( new File( "C:/temp/menu.html" ), 4 * 1024, EIO.UTF8 );
        // R E A D
        String line;
        // File being read need not have have a terminal \n.
        // File being read may safely use any mixture of \r\n,  \r or \n line terminators.
        while ( ( line = br.readLine() ) != null )
            {
            // line looks like
            // {<a href="#HEGEMONY">Hegemony Or Survival</a> by Noam Chomsky}
            // we want to sort by the last word.
            a.add( line );
            }
        //   C L O S E
        br.close();
        Collections.sort( a, new ByAuthor() );
        // O P E N
        final PrintWriter prw = EIO.getPrintWriter( new File( "C:/temp/sortedmenu.html" ), 4 * 1024, EIO.UTF8 );
        // sort by author then title
        // read in list of book expansions.
        final String books = HunkIO.readEntireFile( new File( "C:/temp/books.html" ) );
        // where we build sorted list of book, without expansions.
        final StringBuilder sb = new StringBuilder( books.length() );
        for ( String item : a )
            {
            // W R I T E
            prw.println( item );// to file, not console.
            // item look like this:
            // {<a href="#HEGEMONY">Hegemony Or Survival</a> by Noam Chomsky}
            final Matcher m = nameFinder.matcher( item );
            if ( !m.find() || m.groupCount() != 1 )
                {
                throw new IllegalArgumentException( "missing anchor on " + item );
                }
            final String anchor = m.group( 1 );
            final int start = books.indexOf( "<a id=\"" + anchor + "\"" );
            if ( start < 0 )
                {
                throw new IllegalArgumentException( "can't find target for " + item );
                }
            final int end = books.indexOf( "-->", start + anchor.length() + 13 );
            if ( end < 0 )
                {
                throw new IllegalArgumentException( "can't find --> for " + item );
                }
            final String bookMacro = books.substring( start, end + 3 );
            if ( !bookMacro.contains( "isbn=" ) )
                {
                throw new IllegalArgumentException( "can't find isbn= in first comment after anchor for " + item );
                }
            sb.append( bookMacro );
            sb.append( "\n<p>" );
            } // end for item
        // C L O S E
        prw.close();
        // write to different file so can compare.
        HunkIO.writeEntireFile( new File( "C:/temp/sortedbooks.html" ), sb.toString() );
        out.println( "done" );
        }
    }