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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# Authors:  Stanislav Ochotnicky <[email protected]>

import optparse
import sys

from javapackages.maven.artifact import (Artifact, ArtifactFormatException,
                                         ArtifactValidationException)
from javapackages.common.util import args_to_unicode
from javapackages.common.exception import JavaPackagesToolsException

from lxml import etree


class SaneParser(optparse.OptionParser):
    def format_epilog(self, formatter):
        return self.epilog

usage = "usage: %prog [options] <builddep file>"
epilog = """
%prog generates RPM requires from builddep file generated by XMvn during package build
"""

if __name__ == "__main__":
    parser = SaneParser(usage=usage,
                        epilog=epilog)
    sys.argv = args_to_unicode(sys.argv)

    (options, args) = parser.parse_args()
    if len(args) != 1:
        parser.error("Exactly 1 argument is required")

    try:
        et = etree.parse(args[0]).getroot()
        deps = et.findall('./dependency')
        for dep in deps:
            art = Artifact.from_xml_element(dep)
            print(art.get_rpm_str(compat_ver=art.version))
    except (ArtifactValidationException, ArtifactFormatException) as e:
        parser.error("{e}: Provided artifact strings were invalid. "
                     "Please see help  and check your arguments".format(e=e))
        sys.exit(1)
    except JavaPackagesToolsException as e:
        sys.exit(e)