xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fn="http://www.w3.org/2005/xpath-functions">

<!-- Initialise keys (sort of like hashes?) to enable us to list distinct packages/severities -->

<xsl:key name="packages" match="stage/step/failures/failure" use="@package"/>

<xsl:key name="severities" match="stage/step/failures" use="@severity"/>

<!-- Main template -->

	<h1>Build Status</h1>

	<xsl:variable name="criticalCount" select="count(stage/step/failures[@level='critical']/failure)"/>

	<xsl:variable name="majorCount" select="count(stage/step/failures[@level='major']/failure)"/>

	<xsl:variable name="minorCount" select="count(stage/step/failures[@level='minor']/failure)"/>

	<xsl:variable name="unknownCount" select="count(stage/step/failures[@level!='critical' and @level!='major' and @level!='minor']/failure)"/>

	<h2>

	Overall BRAG staus: 

	<xsl:choose>

		<xsl:when test="$criticalCount != 0">BLACK</xsl:when>

		<xsl:when test="$majorCount != 0">RED</xsl:when>

		<xsl:when test="$minorCount != 0">AMBER</xsl:when>

		<xsl:when test="$unknownCount != 0">GREEN</xsl:when>

		<xsl:otherwise>GOLD!</xsl:otherwise>

	</xsl:choose>

	</h2>

	<h2>Breakdown by severity</h2>

	<table border="1">

	<tr><td>Critical</td><td><xsl:value-of select="$criticalCount"/></td></tr>

	<tr><td>Major</td><td><xsl:value-of select="$majorCount"/></td></tr>

	<tr><td>Minor</td><td><xsl:value-of select="$minorCount"/></td></tr>

	<tr><td>Unknown</td><td><xsl:value-of select="$unknownCount"/></td></tr>

	<tr><th>Grand total</th><th><xsl:value-of select="count(stage/step/failures/failure)"/></th></tr>

	</table>

	<h2>Breakdown by stage/step</h2>

		<th colspan='2'>Stage: <xsl:value-of select="@name"/></th>

			<td colspan='2'>Step: <xsl:value-of select="@name"/></td>

	<!-- If any failures are tied to a specific package... -->

	<xsl:if test="stage/step/failures/failure[@package]">

		<h2>Breakdown by package</h2>

		<table border="1">

		<tr><th>Package</th><th>Total failures</th></tr>

		<!-- Use the Muenchian Method to get a set of distinct packages -->

		<xsl:for-each select="stage/step/failures/failure[generate-id(.) = generate-id(key('packages', @package))]">

			<xsl:sort select="@package"/>

			<tr><td><xsl:value-of select="@package"/></td><td><xsl:value-of select="count(key('packages', @package))"/></td></tr>

		</xsl:for-each>

		</table>

	</xsl:if>