// we provide here only the basic mapping, all mapping that concerns fine-grained properties of each TOSCA concept have been excluded from this file for the purpose of simplicity

modeltype TOSCA uses "http://www.example.org/TOSCA";
modeltype compose uses "http://www.example.org/compose";

transformation TOSCAToComposeTransformation(in Source: TOSCA, out Target: compose);

main() {
        var a :=Source.rootObjects()[ServiceTemplate];
         a.map TOSCAToCompose();
         }

mapping ServiceTemplate::TOSCAToCompose(): Compose { // Mapping Service Temmplate to Compose Template'

version :="3.00"; //the version don't need any mapping we use Default Docker compose version '
description:=self.description;

services:=self.topologytemplate.entitytemplate->map NodeMaptoService(); // all nodes whose types =applications, databases, etc, will be mapped to services in docker compose

networks:=self.topologytemplate.entitytemplate->map NodeMaptoNetwork();//all tosca nodes whose type networks will be mapped into network type into docker compose

volumes:=self.topologytemplate.entitytemplate->map NodeMaptoVolume(); // all tosca nodes whose type blocstorage, abstractstorage, objectstorage  will be mapped into volume type into docker compose
 }

mapping EntityTemplate::NodeMaptoService() : Service
 
when {self.oclIsTypeOf(NodeTemplate) and self.type.name.toString()!="tosca.nodes.Compute" and self.type.name.toString()!="tosca.nodes.Network" and self.type.name.toString()!="tosca.nodes.Storage"} {
        
name:=self.name;
dependon:=self.oclAsType(NodeTemplate).requirements.nodetemplate.late  resolve(Service); 
       properties:=self.properties->map ToProperties();
       image:=self.oclAsType(NodeTemplate).artifacts-> map toImage();
      }

 mapping Artifacts::toImage():Image {
       	name:=self.name;
           registry:=self->map toRegistry();
       }      
  mapping Artifacts::toRegistry() : Registry{
      name:=self.repository;
       url:=self.file;
       }   
       
mapping Properties::ToProperties() :Properties{
         name:=self.element;
          value:=self.value;
       }
       
   mapping EntityTemplate::NodeMaptoNetwork() : Network
 
        when {self.oclIsTypeOf(NodeTemplate) and self.type.name.toString()="tosca.nodes.Network"} {
       name:=self.name;
 
        }   
      
 mapping EntityTemplate::NodeMaptoVolume() : Volume
 
        when {self.oclIsTypeOf(NodeTemplate) and self.type.name.toString()="tosca.nodes.Storage"} {
       name:=self.name;
 
        }