#!/usr/bin/python

from sfa.rspecs.pg_rspec_converter import PGRSpecConverter
from sfa.rspecs.sfa_rspec_converter import SFARSpecConverter
from sfa.rspecs.rspec_parser import parse_rspec


class RSpecConverter:

    @staticmethod
    def to_sfa_rspec(in_rspec):
        rspec = parse_rspec(in_rspec)
        if rspec.format == 'sfa': 
          return in_rspec
        elif rspec.format == 'pg':
            return PGRSpecConverter.to_sfa_rspec(in_rspec)
        else:
             return in_rspec 

    @staticmethod 
    def to_pg_rspec(in_rspec):
        rspec = parse_rspec(in_rspec)
        if rspec.format == 'pg':
            return in_rspec
        elif rspec.format == 'sfa':
            return SFARSpecConverter.to_pg_rspec(in_rspec)
        else:
            return in_rspec 


if __name__ == '__main__':
    pg_rspec = 'test/protogeni.rspec'
    sfa_rspec = 'test/nodes.rspec'  

    print "converting pg rspec to sfa rspec"
    print RSpecConverter.to_sfa_rspec(pg_rspec)
    
    print "converting sfa rspec to pg rspec"
    print RSpecConverter.to_pg_rspec(sfa_rspec)