import setup_paths
from nomadcore.simple_parser import mainFunction, SimpleMatcher as SM
from nomadcore.local_meta_info import loadJsonFile, InfoKindEl
import os, sys, json

# description of the input
mainFileDescription = SM(
    name = 'root',
    weak = True,
    startReStr = "",
    subMatchers = [
        SM(name = 'newRun',
           startReStr = r"\s*# SampleParser #\s*",
           repeats = True,
           required = True,
           forwardMatch = True,
           sections   = ['section_run'],
           subMatchers = [
               SM(name = 'header',
                  startReStr = r"\s*# SampleParser #\s*")
           ])
])

# loading metadata from nomad-meta-info/meta_info/nomad_meta_info/gaussian.nomadmetainfo.json
metaInfoPath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)),"../../../../nomad-meta-info/meta_info/nomad_meta_info/gaussian.nomadmetainfo.json"))
metaInfoEnv, warnings = loadJsonFile(filePath = metaInfoPath, dependencyLoader = None, extraArgsHandling = InfoKindEl.ADD_EXTRA_ARGS, uri = None)

parserInfo = {
  "name": "parser_gaussian",
  "version": "1.0"
}

class GaussianParserContext(object):
    """main place to keep the parser status, open ancillary files,..."""
    def __init__(self):
        self.scfIterNr = 0

    # just examples, you probably want to remove the following two triggers

    def onClose_section_single_configuration_calculation(self, backend, gIndex, section):
        """trigger called when section_single_configuration_calculation is closed"""
        #backend.addValue("", self.scfIterNr)
        logging.getLogger("nomadcore.parsing").info("closing section_single_configuration_calculation gIndex %d %s", gIndex, section.simpleValues)
        self.scfIterNr = 0

    def onClose_section_scf_iteration(self, backend, gIndex, section):
        """trigger called when section_scf_iteration is closed"""
        logging.getLogger("nomadcore.parsing").info("closing section_scf_iteration bla gIndex %d %s", gIndex, section.simpleValues)
        self.scfIterNr += 1

# which values to cache or forward (mapping meta name -> CachingLevel)
cachingLevelForMetaName = {}

if __name__ == "__main__":
    mainFunction(mainFileDescription, metaInfoEnv, parserInfo,
                 cachingLevelForMetaName = cachingLevelForMetaName,
                 superContext = GaussianParserContext())