/*
 * [WebRing.java]
 *
 * Summary: Generate a WebRing Nav Bar.
 *
 * 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:
 *  1.8 2009-02-06 include go package in ZIP bundle.
 */
package com.mindprod.htmlmacros.macro;

import com.mindprod.fastcat.FastCat;

import static com.mindprod.htmlmacros.macro.Global.configuration;
import static java.lang.System.*;

/**
 * Generate a WebRing Nav Bar.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.8 2009-02-06 include go package in ZIP bundle.
 * @since 2007-04-06
 */
@SuppressWarnings( { "WeakerAccess" } )
public final class WebRing extends Macro
    {
    /**
     * how to use the macro
     */
    private static final String USAGE = "\nWebRing macro needs just a numeric u, the WebRing id.";

    /**
     * guts to Generate WebRing reference.
     *
     * @param u the Webring id number.
     *
     * @return html to link to a webring
     */
    private static String expand( long u )
        {
        final String br = configuration.getBr();
        final FastCat sb = new FastCat( 27 );
        // http://ss.webring.org/navbar?f=j;y=roedygr;u=10002294&comid=
        sb.append( "<div class=\"alignedcenter\">\n" );
        sb.append( "<!-- This SSNB/nav bar handles all webrings for this page. -->\n" );
        sb.append( "<!-- Javascript dynamically generates the HTML for the box. -->\n" );
        // suspect f=j means javaScript
        sb.append( "<script type=\"text/javascript\" src=\"http://ss.webring.org/navbar?f=j;y=" );
        sb.append( configuration.getAccountForWebring() );
        sb.append( ";u=" );
        sb.append( u );
        sb.append( "\">\n" );
        sb.append( "</script>\n" );
        sb.append( "<!-- " );
        sb.append( configuration.getAccountForWebring() );
        sb.append( " is the webring.org id of the owner of this website -->\n" );
        sb.append( "<!-- " );
        sb.append( u );
        sb.append( " is the slot# reserved to reference this page at webring.org. -->\n" );
        sb.append( "Powered by <a class=\"org\" href=\"http://dir.webring.org/rw\">WebRing</a>." );
        sb.append( "<noscript>\n" );
        sb.append( "<!-- this part, from here on in, is for people without JavaScript -->\n" );
        sb.append( "<span class=\"webring\">This site is a member of WebRing." );
        sb.append( br );
        // suspect f=l means htmL
        sb.append( "<a class=\"org\" href=\"http://sd2ca1.webring.org/navbar?f=l;y=" );
        sb.append( configuration.getAccountForWebring() );
        sb.append( ";u=" );
        sb.append( u );
        sb.append( "\">Browse</a>.</span>\n" );
        sb.append( "</noscript>\n" );
        sb.append( "</div>\n" );
        return sb.toString();
        }

    /**
     * use: :&lt;!-- macro WebRing  88 --&gt; u# WebringRid to generate a WebRing nav bar.
     *
     * @param parms   u# as a string
     * @param quiet   true if want output suppressed.
     * @param verbose @return expanded macro HTML
     */
    public String expandMacro( String[] parms,
                               final boolean quiet, final boolean verbose ) throws IllegalArgumentException
        {
        if ( !quiet )
            {
            out.print( "W" );
            }
        if ( parms.length != 1 )
            {
            throw new IllegalArgumentException(
                    USAGE );
            }
        // the WebRing id.
        final long u;
        try
            {
            u = Long.parseLong( parms[ 0 ].trim() );
            }
        catch ( NumberFormatException e )
            {
            throw new IllegalArgumentException( USAGE );
            }
        return expand( u );
        }
    }