import java.util.stream.IntStream

@RestController
class generateData {

    @RequestMapping("/")
    def  generate(String prefix, int start, int end) {
       //Data d = new Data();

       Map main = new HashMap() ;

       main.put("version",1);

       Map variableMap =  new HashMap() ;
       List names = new ArrayList();
       names.add("orderId");
       variableMap.put("names",names);
       List variableMapList = new ArrayList();
       variableMapList.add(variableMap)
       main.put("variables",variableMapList)

       List values = new ArrayList();
       variableMap.put("values",values);

       for(int i=start; i<=end;++i){
         List t = new ArrayList() ;
         t.add(prefix+i);
         values.add(t);
       }

       return main;
    }

}