import jinja2
import optparse
import os
import rspec


req_spec = rspec.rspec()
req_spec.add_title("Module <name>")

#
# Section
#
sec_uuid = req_spec.add(
    itemtype=rspec.ITYPE_SEC,
    id=1,
    heading="Section heading",
)

# Requirement
req_spec.add(
    parent=sec_uuid,
    itemtype=rspec.ITYPE_REQ,
    id=1,
    heading="Requirement heading",
    description="A meaningfull description.",
    reason="A meaningfull reson for the requirement.",
    fitcriterion="A meaningfull and exact fitcriterion.",
)


if __name__ == '__main__':
    BASEPATH = os.path.abspath(os.path.dirname(__file__))
    parser = optparse.OptionParser("usage: %prog specification_file")
    parser.add_option("-t", "--template", dest="template", default=os.path.join(BASEPATH,
                      'rspec', 'templates', 'tex', 'requirement_specification.tex'), help="path to the template")
    (options, args) = parser.parse_args()

    # render
    template_path = os.path.abspath(options.template)
    jenv = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(template_path)))
    template = jenv.get_template(os.path.basename(template_path))
    print(template.render(data=req_spec))