<?xml version="1.0" encoding="UTF-8"?>
<xs:schema
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:envelope_1_0="http://agavi.org/agavi/config/global/envelope/1.0"
    xmlns:types_1_0="http://agavi.org/agavi/config/global/types/1.0"
    xmlns="http://icinga.org/api/config/parts/access/1.0"
    targetNamespace="http://icinga.org/api/config/parts/access/1.0"
    elementFormDefault="qualified"
>
   
    <xs:import namespace="http://agavi.org/agavi/config/global/types/1.0"
               schemaLocation="../../../../../../../lib/agavi/src/config/xsd/_types.xsd" />
    <xs:import namespace="http://agavi.org/agavi/config/global/envelope/1.0"
               schemaLocation="../../../../../../../lib/agavi/src/config/xsd/_envelope.xsd" />

    <xs:simpleType name="allowModuleOverwrites">
        <xs:restriction base="xs:boolean" />
    </xs:simpleType>

    <xs:complexType name="instances">
        <xs:sequence>
            <xs:element name="instance" type="instance" minOccurs="1" maxOccurs="unbounded" />
        </xs:sequence>
    </xs:complexType>

    <!-- mapping of a host to an instance -->
    <xs:complexType name="instance">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute name="name" type="xs:string" use="required"/>
            </xs:extension>
        </xs:simpleContent> 
    </xs:complexType>

    <!--
        Entities for default section

    -->
    <xs:complexType name="defaults">
        <xs:sequence>
            <!-- most definitions are unbounded because later definitions will overwrite the initial value -->
            <xs:element name="defaultHost" type="xs:string" minOccurs="1" maxOccurs="unbounded" />
            <xs:element name="access" type="access" minOccurs="1" maxOccurs="unbounded" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="access">
        <xs:sequence>
             <xs:element name="readwrite" type="resourcedescriptor" minOccurs="0" maxOccurs="unbounded" />
             <xs:element name="read" type="resourcedescriptor" minOccurs="0" maxOccurs="unbounded" />
             <xs:element name="write" type="resourcedescriptor" minOccurs="0" maxOccurs="unbounded" />
             <xs:element name="execute" type="resourcedescriptor" minOccurs="0" maxOccurs="unbounded" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="resourcedescriptor">
        <xs:sequence>
            <xs:element name="folders" type="resourcecontainer" minOccurs="0" maxOccurs="unbounded" />
            <xs:element name="files"  type="resourcecontainer" minOccurs="0" maxOccurs="unbounded" />
        </xs:sequence>
    </xs:complexType>
    
    <xs:complexType name="resourcecontainer">
        <xs:sequence>
            <xs:element name="resource" type="resource" minOccurs="0" maxOccurs="unbounded" />
        </xs:sequence>
    </xs:complexType>
    
    <xs:complexType name="resource">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute name="name" type="xs:string" use="required"/>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <!--
        Hosts definition entities
    -->
    <xs:complexType name="hosts">
        <xs:sequence>
            <xs:element name="host" type="host" minOccurs="1" maxOccurs="unbounded" />
        </xs:sequence>
    </xs:complexType>
    
    <xs:complexType name="host">
        <xs:all>
            <xs:element name="type" type="hosttype" minOccurs="1" maxOccurs="1"/>
            <xs:element name="access" type="hostaccess" minOccurs="1" maxOccurs="1" />
            <xs:element name="ssh-config" type="ssh-config" minOccurs="0" maxOccurs="1" /> 
        </xs:all>
        <xs:attribute name="name" type="xs:string" use="required" />
    </xs:complexType>
    
    <xs:complexType name="ssh-config">
        <xs:sequence>
            <xs:element name="host" type="xs:string" minOccurs="1" maxOccurs="1" />
            <xs:element name="port" type="xs:integer" minOccurs="1" maxOccurs="1" />
            <xs:element name="auth" type="ssh-auth" minOccurs="1" maxOccurs="1" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="ssh-auth">
        <xs:all>
            <xs:element name="type" type="ssh-authtypes"/>
            <xs:element name="user" type="xs:string"/>
            <xs:element name="private-key" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="password" type="xs:string" minOccurs="0" maxOccurs="1" />
        </xs:all>
    </xs:complexType>

    <xs:simpleType name="hosttype">
        <xs:restriction base="xs:string">
            <xs:enumeration value="local" /> 
            <xs:enumeration value="ssh" />  
        </xs:restriction>
    </xs:simpleType>
   
    <!-- 
        The access attribute in the hosts section must define if it uses the default values
    --> 
    <xs:complexType name="hostaccess">
        <xs:complexContent>
            <xs:extension base="access">
                <xs:attribute name="useDefaults" type="xs:boolean" use="required"/>
            </xs:extension> 
        </xs:complexContent>
    </xs:complexType>
    
    <xs:simpleType name="ssh-authtypes">
        <xs:restriction base="xs:string">
            <xs:enumeration value="none" /> 
            <xs:enumeration value="password" /> 
            <xs:enumeration value="key" /> 
        </xs:restriction>
    </xs:simpleType>

    <!-- 
        Root node
    -->
    <xs:group name="configuration">
        <xs:all>
            
            <xs:element name="instances" type="instances" minOccurs="1" maxOccurs="1"></xs:element> 
            <xs:element name="defaults" type="defaults" minOccurs="1" maxOccurs="1"></xs:element>   
            <xs:element name="hosts" type="hosts" minOccurs="1" maxOccurs="1"></xs:element> 
        </xs:all>
    </xs:group>
 

</xs:schema>
