/*
 * [Photo.java]
 *
 * Summary: Generate a reference to Photo. Click on the camera icon to see photo. Not otherwise displayed.
 *
 * 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:
 *  1.8 2009-02-06 include go package in ZIP bundle.
 *                 for local file image/ prefix is presumed.
 *                 for remote file, left as is.
 */
package com.mindprod.htmlmacros.macro;

import com.mindprod.amper.Amper;
import com.mindprod.fastcat.FastCat;
import com.mindprod.htmlmacros.support.BuildImage;
import com.mindprod.htmlmacros.support.ImageAlignment;
import com.mindprod.htmlmacros.support.Tools;

import static java.lang.System.*;

/**
 * Generate a reference to Photo. Click on the camera icon to see photo. Not otherwise displayed.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.8 2009-02-06 include go package in ZIP bundle.
 * for local file image/ prefix is presumed.
 * for remote file, left as is.
 * @since 2009
 */
public final class Photo extends Macro
    {
    /**
     * how to use the macro
     */
    private static final String USAGE = "\nPhoto macro needs imageFile(without lead mindprod/image/)";

    /**
     * guts to Generate reference to a Photo reference, Used by Reunion and LL macrons too.
     *
     * @param photoURL unqualified image-relative reference to an image or absolute ref starting with http://
     *
     * @return expanded reference with icon.
     */
    public String expand( String photoURL )
        {
        final FastCat sb = new FastCat( 300 );
        if ( photoURL.startsWith( "http://" ) || photoURL.startsWith( "https://" ) )
            {
            sb.append( "<a class=\"plain\" href=\"" );
            sb.append( Amper.ampifyUncommentedString( photoURL ) );
            sb.append( "\">" );
            }
        else
            {
            sb.append( "<a href=\"" );
            sb.append( Tools.relativeURL( "image/" + photoURL, fileBeingProcessed ) );
            sb.append( "\">" );
            }
        sb.append( BuildImage.buildImgTag( "icon32/camera.png",
                "click to see photograph",
                ImageAlignment.middle,
                null,
                fileBeingProcessed ) );
        sb.append( "</a>" );
        return sb.toString();
        }

    /**
     * Generate camera icon to click to see a photo. typical use: <!-- macro Photo roedy.jpg --> Expands: <a
     * href="image/roedy.jpg"><img src="image/icon32/camera.png" width="29" height="24" alt="photo"></a>
     *
     * @param parms   first is raw imagename in images directory, e.g. roedy.jpg
     * @param quiet   true if want output suppressed.
     * @param verbose @return expanded macro HTML
     */
    public String expandMacro( String[] parms,
                               final boolean quiet, final boolean verbose )
        {
        if ( !quiet )
            {
            out.print( "C" );
            }
        if ( parms.length != 1 )
            {
            throw new IllegalArgumentException( USAGE );
            }
        String photo = parms[ 0 ];
        return expand( photo );
        }
    }