/*
 * [Dim.java]
 *
 * Summary: Displays dimension ( width x height) in both metric and Imperial measure.
 *
 * Copyright: (c) 2008-2017 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 2008-04-24 initial/ version
 *  1.1 2011-02-10 add optional td parm.
 */
package com.mindprod.htmlmacros.macro;

import com.mindprod.common18.ST;
import com.mindprod.fastcat.FastCat;
import com.mindprod.htmlmacros.support.UnitsOfMeasure;

import static java.lang.System.*;

/**
 * Displays dimension ( width x height) in both metric and Imperial measure.
 * <p/>
 * <!-- macro Dim 20 x 302 cm [td] -->
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.1 2011-02-10 add optional td parm.
 * @since 2008-04-24
 */
public final class Dim extends Macro
    {
    /**
     * how to use the macro
     */
    private static final String USAGE = "\nDim macro needs width [x height x depth] unitsOfMeasure [td] e.g. Dim 40 x " +
                                        "20 cm [td] [br] separator";

    /**
     * Degrees macro expansion.
     *
     * @param unitsOfMeasure units units of measure of the quantity
     * @param width          width in odd units
     * @param height         height in odd units
     * @param depth          depth in odd units
     * @param dims           how many dimensions
     * @param sep            how to separate the metric from imperial ( td br
     *
     * @return "25.4 x 25.4 cm (10 x 10 in) both.
     */
    private static String expand( final UnitsOfMeasure unitsOfMeasure,
                                  final double width,
                                  final double height,
                                  final double depth,
                                  final int dims,
                                  final String sep )
        {
        final FastCat sb = new FastCat( 8 );
        /* lead to help sort */
        switch ( dims )
            {
            case 1:
            default:
                break;
            case 2:
                sb.append( "<!-- area " );
                sb.append( ( long ) width * height );
                sb.append( " -->" );
                break;
            case 3:
                sb.append( "<!-- volume " );
                sb.append( ( long ) width * height * depth );
                sb.append( " -->" );
                break;
            }
        if ( sep.equals( "(" ) )
            {
            switch ( dims )
                {
                case 1:
                default:
                    sb.append( "<span class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width ) ) );
                    sb.append( "</span> <span class=\"imperial\">(" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width ) ) );
                    sb.append( ")</span>" );
                    break;
                case 2:
                    sb.append( "<span class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width, height ) ) );
                    sb.append( "</span> <span class=\"imperial\">(" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width, height ) ) );
                    sb.append( ")</span>" );
                    break;
                case 3:
                    sb.append( "<span class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width, height, depth ) ) );
                    sb.append( "</span> <span class=\"imperial\">(" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width, height, depth ) ) );
                    sb.append( ")</span>" );
                    break;
                }
            }
        else if ( sep.equals( "td" ) )
            {
            switch ( dims )
                {
                case 1:
                default:
                    sb.append( "<td class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width ) ) );
                    sb.append( "</td><td class=\"imperial\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width ) ) );
                    sb.append( "</td>" );
                    break;
                case 2:
                    sb.append( "<td class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width, height ) ) );
                    sb.append( "</td><td class=\"imperial\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width, height ) ) );
                    sb.append( "</td>" );
                    break;
                case 3:
                    sb.append( "<td class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width, height, depth ) ) );
                    sb.append( "</td><td class=\"imperial\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width, height, depth ) ) );
                    sb.append( "</td>" );
                    break;
                }
            }
        else if ( sep.equals( "br" ) )
            {
            switch ( dims )
                {
                case 1:
                default:
                    sb.append( "<span class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width ) ) );
                    sb.append( "</span><br><span class=\"imperial\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width ) ) );
                    sb.append( "</span>" );
                    break;
                case 2:
                    sb.append( "<span class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width, height ) ) );
                    sb.append( "</span><br><span class=\"imperial\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width, height ) ) );
                    sb.append( "</span>" );
                    break;
                case 3:
                    sb.append( "<span class=\"metric\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toMetricDisplay( width, height, depth ) ) );
                    sb.append( "</span><br><span class=\"imperial\">" );
                    sb.append( UnitsOfMeasure.fractify( unitsOfMeasure.toImperialDisplay( width, height, depth ) ) );
                    sb.append( "</span>" );
                    break;
                }
            }
        else
            {
            throw new IllegalArgumentException( "Dim programming bug invalid sep parm " + sep );
            }
        return sb.toString();
        }

    public String expandMacro( final String[] parms,
                               final boolean quiet,
                               final boolean verbose )
        {
        if ( !quiet )
            {
            out.print( "D" );
            }
        try
            {
            if ( !( 2 <= parms.length && parms.length <= 7 ) )
                {
                throw new IllegalArgumentException( USAGE );
                }
            final UnitsOfMeasure unitsOfMeasure;
            int dims;
            final double width;
            final double height;
            final double depth;
            width = Double.parseDouble( ST.stripNaughtyCharacters( parms[ 0 ], ",_" ) );
            if ( !parms[ 1 ].equalsIgnoreCase( "x" ) )
                {
                dims = 1;
                height = 0;
                depth = 0;
                unitsOfMeasure = UnitsOfMeasure.valueOfAlias( parms[ 1 ] );
                }
            else
                {
                height = Double.parseDouble( ST.stripNaughtyCharacters( parms[ 2 ], ",_" ) );
                if ( !parms[ 3 ].equalsIgnoreCase( "x" ) )
                    {
                    dims = 2;
                    depth = 0;
                    unitsOfMeasure = UnitsOfMeasure.valueOfAlias( parms[ 3 ] );
                    }
                else
                    {
                    depth = Double.parseDouble( ST.stripNaughtyCharacters( parms[ 4 ], ",_" ) );
                    dims = 3;
                    unitsOfMeasure = UnitsOfMeasure.valueOfAlias( parms[ 5 ] );
                    }
                }
            final String sep;
            if ( parms[ parms.length - 1 ].equals( "td" ) )
                {
                sep = "td";
                }
            else if ( parms[ parms.length - 1 ].equals( "br" ) )
                {
                sep = "br";
                }
            else
                {
                sep = "(";
                }
            return expand( unitsOfMeasure, width, height, depth, dims, sep );
            }
        catch ( NumberFormatException e )
            {
            throw new IllegalArgumentException( USAGE );
            }
        }
    /**
     * <!-- macro Dim 20 x 302 cm [td] -->
     *
     * @param parms   dist/units
     * @param quiet   true if want output suppressed.
     * @param verbose @return expanded macro text.
     */
    }