###############################################################################
#   
#    This file is part of the Utopia Documents application.
#        Copyright (c) 2008-2014 Lost Island Labs
#            <info@utopiadocs.com>
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#    Utopia Documents is free software: you can redistribute it and/or modify
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import common.eutils

from lxml import etree

def fetch(pmcid):
    return common.eutils.efetch(id=pmcid, db='pmc')

def search(title):
    data = []
    # FIXME How best to search PMC for a title?
    return data

def resolve(id, id_type):
    results = common.eutils.esearch(term='"{0}"[{1}]'.format(id, id_type.upper()), db='pmc', retmax=1)
    parser = etree.XMLParser(ns_clean=True, recover=True)
    ids = etree.fromstring(results, parser).xpath('//Id')
    if len(ids) == 1:
        return ids[0].text