<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xsl:Stylesheet [ <!ENTITY nbsp "&#x00A0;"> ]>
<xsl:stylesheet
    version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxml="urn:schemas-microsoft-com:xslt"
    xmlns:umbraco.library="urn:umbraco.library"
    exclude-result-prefixes="msxml umbraco.library">

<xsl:output method="xml" omit-xml-declaration="yes"/>

<xsl:param name="currentPage"/>


<!-- Get macro parameter of Last.FM username -->
<xsl:variable name="userID" select="/macro/userName"/>

    <xsl:template match="/">

        <!-- BUILD URL of recent tracks from Last.FM, passing in Last.FM username -->
        <xsl:variable name="recent_tracks_url" select="concat('http://ws.audioscrobbler.com/1.0/user/', $userID, '/recenttracks.xml')" />

        <!-- GET XML from URL -->
        <xsl:variable name="recent_tracks" select="umbraco.library:GetXmlDocumentByUrl($recent_tracks_url)" />

        <!-- FOR EACH track in the XML, do the following -->
        <xsl:for-each select="$recent_tracks//track">

            <!-- Store in variables to reuse -->
            <xsl:variable name="artist_var" select="artist" />
            <xsl:variable name="track_var" select="name" />
            <xsl:variable name="date_var" select="date" />


            <!-- Build up ALBUM XML URL string passing in variables from track -->
            <xsl:variable name="album_art_url" select="concat('http://ws.audioscrobbler.com/1.0/album/', artist, '/' ,album, '/info.xml')" />

            <xsl:variable name="album_art" select="umbraco.library:GetXmlDocumentByUrl($album_art_url)" />

            <!-- Check that album art contains one XML node and not an error -->
            <xsl:choose>
                <xsl:when test="count($album_art/album) = 1">
                    <!-- Found album art -->
                    <img src="{$album_art//coverart/medium}" alt="{$artist_var} - {$track_var}" width="130" height="130" />
                </xsl:when>
                <xsl:otherwise>
                    <!-- Not found album art -->
                    <img src="Assets/LastFM/NoImage.gif" alt="No Album Artwork ({$artist_var} - {$track_var})"/>
                </xsl:otherwise>
            </xsl:choose>

            <!-- Display track info -->
            <p>
                <strong><xsl:value-of select="$track_var"/></strong> by <xsl:value-of select="$artist_var"/><br/>
                <em><xsl:value-of select="$date_var"/></em>
            </p>
        </xsl:for-each>

    </xsl:template>
</xsl:stylesheet>