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<xsl:stylesheet version="1.0" xmlns:ns="urn:ietf:params:xml:ns:yang:yin:1" xmlns:y="urn:ietf:params:xml:ns:yang:ietf-vdus" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" exclude-result-prefixes="t">
<xsl:output indent="no" method ="text"/>

<xsl:variable name="tosca_general">
    <entry key="tosca_definitions_version">tosca_definitions_version:tosca_simple_yaml_1_0_0</entry>
    <entry key="tosca_default_namespace">tosca_default_namespace:tosca_simple_yaml_1_0_0</entry>
    <entry key="template_name">template_name:</entry>
    <entry key="description">description:</entry>
    <entry key="template_author">template_author:</entry>
    <entry key="template_version">template_version:</entry>
    <entry key="derived">derived_from:tosca.nodes.Root</entry>
    <entry key="import">import:</entry>
</xsl:variable>
<xsl:variable name="nodeTypes">
    <entry key="generalvdus">type:tosca.nodes.general.vdus</entry>
    <entry key="compute">type:tosca.nodes.compute</entry>
    <entry key="storage">type:tosca.nodes.block.Storage</entry>
    <entry key="network">type:tosca.nodes.network</entry>
    <entry key="security">type:tosca.nodes.security</entry>
    <entry key="policy">type:tosca.nodes.policy</entry>
</xsl:variable>

<xsl:template match="ns:module">
<xsl:value-of select="concat(document('')//xsl:variable[@name='tosca_general']/entry[@key='tosca_definitions_version'] ,'&#x0A;')" />
<xsl:value-of select="concat(document('')//xsl:variable[@name='tosca_general']/entry[@key='description'],'&#x0A;&#x09;',ns:description/node()/text(),'&#x0A;')" />
<xsl:value-of select="concat(document('')//xsl:variable[@name='tosca_general']/entry[@key='import'],'&#x0A;&#x09;',ns:import/@module,'&#x0A;')" />
metadata:
         ID: <xsl:value-of select="@name"/>
         Vendor: <xsl:value-of select="ns:organization/node()/text()"/>

<xsl:for-each select="ns:container">
dsl_definitions:<xsl:for-each select="ns:list">
        compute_props_host_<xsl:value-of select="@name"/>: <text disable-output-escaping="yes"><![CDATA[&]]>compute_props_host_</text><xsl:value-of select="@name"/>
        <xsl:for-each select="ns:container"><xsl:if test="@name = 'resource'"><xsl:for-each select="ns:container"><xsl:if test="@name = 'cpu'"><xsl:variable name="num_cpu" select="ns:leaf/ns:type/ns:range/@value"/>
                 num_cpu: <xsl:value-of select="$num_cpu"/>
                                    </xsl:if>
                                        <xsl:if test="@name='memory'">
                                                <xsl:variable name="memory" select="ns:leaf/ns:type/ns:range/@value"/>
                 mem_size: <xsl:value-of select="$memory"></xsl:value-of>
                                                </xsl:if>
                                        </xsl:for-each>
                        </xsl:if>
                </xsl:for-each>
                </xsl:for-each>
node_types:<xsl:for-each select="ns:list">
        tosca.nodes.compute.<xsl:value-of select="@name"/>:
                derived_from: tosca.nodes.compute
</xsl:for-each>
topology_template:
                # A description of the topology template
                description: >
                        <xsl:value-of select="ns:description/node()/text()"/>
        inputs:
                storage_size:
                        type: scalar-unit.size<xsl:for-each select="ns:list"><xsl:if test="(@name != 'connection-points') and (@name != 'internal-virtual-link')">
                        <xsl:for-each select="ns:container"><xsl:if test="@name = 'resource'"><xsl:for-each select="ns:container"><xsl:if test="@name = 'disk'">
                        default: <xsl:value-of select="ns:leaf/ns:type/ns:range/@value"/>
                        description: <xsl:value-of select="ns:description/node()/text()"/>
                        </xsl:if></xsl:for-each></xsl:if></xsl:for-each>
                        </xsl:if></xsl:for-each>
                storage_location:
                        type: string
                        description: >
                                Block storage mount point (filesystem path).
        node_templates:<xsl:for-each select="ns:list"><xsl:if test="(@name != 'connection-points') and (@name != 'internal-virtual-link')">
                        <xsl:text>&#xa;&#x9;&#x9;</xsl:text>
                        <xsl:value-of select="@name"/>:
                        type: tosca.nodes.Compute
                        capabilities:
                                os:
                                        properties:
                                                architecture:
                                                type:
                                                distribution:
                                                version:
                                host:
                                        properties: *compute_props_host_<xsl:value-of select="@name"/>
                                scalable:
                                        properties:
                                                min_instances: <xsl:for-each select="ns:leaf"><xsl:if test="@name = 'instance-num'">
                                                <xsl:value-of select="ns:default/@value"/>
                                                </xsl:if></xsl:for-each>
                                                default_instances: <xsl:for-each select="ns:leaf"><xsl:if test="@name = 'instance-num'">
                                                <xsl:value-of select="ns:default/@value"/>
                                                </xsl:if></xsl:for-each>
                        requirements:
                                - local_storage:
                                        node: <xsl:value-of select="@name"/>_BlockStorage
                                                relationship:
                                                        type: AttachesTo
                                                        properties:
                                                                location: { get_input:storage_location }
                        interfaces:
                                Standard:<xsl:for-each select="ns:container">
                                        <xsl:if test="@name = 'workflow-script'">
                                <xsl:for-each select="ns:leaf">
                                        <xsl:choose>
                                        <xsl:when test="@name = 'init'">
                                        start:
                                                implementation: <xsl:value-of select="ns:default/@value"/>
                                                        </xsl:when>
                                        <xsl:when test="@name='terminate'">
                                        delete:
                                                implementaion: <xsl:value-of select="ns:default/@value"/>
                                        </xsl:when>
                                        <xsl:when test="@name='graceful-shutdown'">
                                        stop:
                                                implementaion: <xsl:value-of select="ns:default/@value"/>
                                        </xsl:when>
                                                        </xsl:choose>
                                                 </xsl:for-each>
                                                </xsl:if>
                                                </xsl:for-each>
                        <xsl:for-each select="ns:container">
                        <xsl:if test="@name = 'auto-scale-policies'">
                        monitoring_policy:<xsl:for-each select="ns:list">
                            name: <xsl:value-of select="ns:key/@value"/>
                            parameters:<xsl:for-each select="../../ns:container"> <xsl:if test="@name = 'monitor-paras'">
                            <xsl:text>&#xa;&#x9;&#x9;&#x9;&#x9;</xsl:text>
                            <xsl:for-each select="ns:leaf-list">
                            <xsl:for-each select="ns:type">
                                <xsl:for-each select="ns:enum">
                                <xsl:value-of select="@name"/>:
                                </xsl:for-each>
                            </xsl:for-each>
                            </xsl:for-each>    
                            </xsl:if></xsl:for-each>    
                            actions:<xsl:for-each select="ns:container"> <xsl:if test="@name = 'actions'">
                            <xsl:text>&#xa;&#x9;&#x9;&#x9;&#x9;</xsl:text>
                                <xsl:for-each select="ns:list"> <xsl:value-of select="ns:key/@value"/>: <xsl:value-of select="ns:leaf/ns:type/ns:enum/@name"/> </xsl:for-each>
                                </xsl:if> </xsl:for-each>
                                </xsl:for-each></xsl:if></xsl:for-each>
                <xsl:text>&#xa;&#x9;&#x9;</xsl:text>
                <xsl:variable name="vdu" select = "@name"/>
                <xsl:value-of select="$vdu"/>_BlockStorage:
                        type: tosca.nodes.BlockStorage
                        properties:
                                size: { get_input:storage_size }</xsl:if></xsl:for-each><xsl:for-each select="ns:list"><xsl:for-each select="ns:container"><xsl:if test="@name = 'resource'"><xsl:for-each select="ns:container">
                                <xsl:if test="@name='vnic'">
                                                <xsl:variable name="vnic" select="ns:leaf/ns:type/ns:range/@value"/>
                                                <xsl:call-template name="nic.loop">
                                                <xsl:with-param name="from" select="1"/>
                                                <xsl:with-param name="to" select="$vnic"/>
                                                </xsl:call-template>
                                        </xsl:if>
                                        </xsl:for-each>
                </xsl:if>
                </xsl:for-each>
                </xsl:for-each>
                <xsl:for-each select="ns:list">
                <xsl:if test="@name='connection-points'">
                        <xsl:variable name="vnic" select="count(ns:leaf)"/>
                        <xsl:call-template name="cp.loop">
                        <xsl:with-param name="from" select="1"/>
                        <xsl:with-param name="to" select="$vnic"/>
                        </xsl:call-template>
                </xsl:if>
                </xsl:for-each>
                <xsl:for-each select="ns:list">
                <xsl:for-each select="ns:container"><xsl:if test="@name = 'resource'"><xsl:for-each select="ns:list"><xsl:if test="@name = 'network-interfaces'">
                
                        <xsl:variable name="vnic" select="count(ns:choice/ns:case)"/>
                        <xsl:call-template name="internalCP.loop">
                        <xsl:with-param name="from" select="1"/>
                        <xsl:with-param name="to" select="$vnic"/>
                        </xsl:call-template>
                </xsl:if></xsl:for-each></xsl:if>
                </xsl:for-each>
                </xsl:for-each>
                <xsl:for-each select="ns:list">
                <xsl:if test="@name='internal-virtual-link'">
                        <xsl:variable name="vnic" select="count(ns:leaf-list)"/>
                        <xsl:call-template name="VL.loop">
                        <xsl:with-param name="from" select="1"/>
                        <xsl:with-param name="to" select="$vnic"/>
                        </xsl:call-template>
                </xsl:if>
                </xsl:for-each>
</xsl:for-each>
</xsl:template>
<xsl:template name="nic.loop">
<xsl:param name="from"/>
    <xsl:param name="to"/>
    <xsl:if test="$from &lt;= $to">
    <xsl:text>&#xa;&#x9;</xsl:text>
    <xsl:value-of select="../../../@name"/>_network<xsl:value-of select="$from"/>:
                        type:tosca.nodes.network.Network
                        properties:
                        ip_version:4
        <xsl:value-of select="../../@name"/>_port<xsl:value-of select="$from"/>:
                        type:tosca.nodes.network.Port
                        requirements:
                                - binding:
                                        node:<xsl:value-of select="../../@name"/>
                                - link:
                                         node:<xsl:value-of select="../../../@name"/>_network<xsl:value-of select="$from"/>
                <xsl:call-template name="nic.loop">
                <xsl:with-param name="from" select="$from + 1"/>
                <xsl:with-param name="to" select="$to"/>
                </xsl:call-template>
</xsl:if>
</xsl:template>
<xsl:template name="cp.loop">
<xsl:param name="from"/>
    <xsl:param name="to"/>
    <xsl:if test="$from &lt;= $to">
    <xsl:text>&#xa;&#x9;</xsl:text>
                <xsl:value-of select="ns:key/@value"/>:
             #Endpoint for the VNF
             type: tosca.nodes.nfv.CP
             properties:
                 type: 
             requirements:
                <xsl:call-template name="cp.loop">
                <xsl:with-param name="from" select="$from + 1"/>
                <xsl:with-param name="to" select="$to"/>
                </xsl:call-template>
</xsl:if>
</xsl:template>

<xsl:template name="internalCP.loop">
<xsl:param name="from"/>
    <xsl:param name="to"/>
    <xsl:if test="$from &lt;= $to">
    <xsl:text>&#xa;&#x9;</xsl:text>
        CP<xsl:value-of select="$from"/>:
            type: tosca.nodes.nfv.CP
            properties:
                type:<xsl:value-of select="ns:choice/ns:case/ns:leaf/ns:type/@name"></xsl:value-of>
            requirements:
               - virtualLink:
                   node: <xsl:value-of select="ns:choice/ns:case/ns:leaf/ns:type/ns:path/@value"/>
               - virtualBinding:
                   node: <xsl:value-of select="ns:choice/ns:case/ns:leaf/ns:type/ns:path/@value"/>
            <xsl:call-template name="internalCP.loop">
            <xsl:with-param name="from" select="$from + 1"/>
            <xsl:with-param name="to" select="$to"/>
            </xsl:call-template>
</xsl:if>
</xsl:template>

<xsl:template name="VL.loop">
<xsl:param name="from"/>
    <xsl:param name="to"/>
    <xsl:if test="$from &lt;= $to">
    <xsl:text>&#xa;&#x9;</xsl:text>
        VL<xsl:value-of select="$from"/>:
            type: tosca.nodes.nfv.VL
            properties:
                network_name:
                vendor:
            capabilities:
                -virtualLink
                 occurrences:
            <xsl:call-template name="VL.loop">
            <xsl:with-param name="from" select="$from + 1"/>
            <xsl:with-param name="to" select="$to"/>
            </xsl:call-template>
</xsl:if>
</xsl:template>
</xsl:stylesheet>