# $Id$
# $URL$

logger = logging.getLogger('meresco.availability')
logger.debug("Starting logger")
availabilityConfig = infra.configRoot

collectionString =  availabilityConfig.get('collectionList', section="collections")
if collectionString == None:
    logger.error("No collections found!")
    collectionString = "NO,COLLECTIONS,FOUND"

exceptionString =  availabilityConfig.get('exceptionList', section="collections")
if exceptionString == None:
    logger.error("No exceptions found!")
    exceptionString = "NO,EXCEPTIONS,FOUND"

collections = collectionString.split("\n")
exceptions = exceptionString.split("\n")
#infra.dd('collections', collections)

#FIXME: config
namespaceMap = {
    'mods': 'http://www.loc.gov/mods/v3'
}

def inDepot(location):
    global collections
    global exceptions

    # logging.debug("location:" + location)
    for exception in exceptions:
        # logging.debug("exception: " + exception)
        if re.match(exception+'\s',location):
            return False

    for collection in collections:
        # logging.debug("collection: " + collection)
        if re.match(collection+'\s',location):
            return True

    return False

def getLocator(recordId, mods):
    locator = any.createOpenURL(mods, recordId)
    return locator

def getAvailabilityByOpenurl(recordId, mods, ID, resolver={}):
    locator = getLocator(recordId, mods)

    if resolver:
        function = """resolver("%(id)s", "%(openurl)s", "%(linkicon)s", "%(linktext)s");""" %{'id': ID, 
                   'openurl'  : resolver["baseurl"] + "&" + locator.split('?')[1],
                   'linkicon' : resolver["linkicon"],
                   'linktext' : resolver['linktext']}
    else: function = """openurl("%(id)s", "", "%(locator)s", "unknown");""" % {'locator' : locator, 'id' : ID }
    yield """
           <ul class="availability" id="%(id)s">
            <script type="text/javascript" language="JavaScript">
             %(function)s
            </script>
           </ul>
            """ % {'function' : function, 'id' : ID }

def getAvailabilityByUitleencode(mods, genre, recordId, ID, language='en'):
    # uitleencodes
    # a = titel in bestelling
    # b = beperkt uitleenbaar
    # c = niet balie, wel IBL
    # d = wel balie, niet IBL
    # e = elektronisch beschikbaar
    # f = niet uitleenbaar, wel fotokopie
    # g = geblokkeerd
    # i = niet uitleenbaar, geen fotokopie, wel inzage
    # o = onbekend
    # s = speciale toestemming
    # u = normaal uitleenbaar
    # z = boek zoek

    depot         = availabilityConfig.get('indepot',       section="availabilityGroups", default='IN DEPOT',                language=language)
    library       = availabilityConfig.get('inlibrary',     section="availabilityGroups", default='IN LIBRARY',              language=language)
    journal       = availabilityConfig.get('journal',       section="availabilityGroups", default='JOURNAL',                 language=language)
    series        = availabilityConfig.get('series',        section="availabilityGroups", default='SERIES',                  language=language)
    ebook         = availabilityConfig.get('ebook',         section="availabilityGroups", default='Electronic Book',         language=language)

    displaySeries = availabilityConfig.get('displayseries', section="availDisplayText",   default='Display items in series', language=language)
    notForLoan    = availabilityConfig.get('notforloan',    section="availDisplayText",   default='NOT FOR LOAN',            language=language)

    data = {}
    documentStorageList = ['locator','depot','library','journal', 'series']

    for storage in documentStorageList:
        data[storage] = []

    for copyInformation in mods.xpath("//mods:location/mods:holdingSimple/mods:copyInformation", namespaceMap):
        uitleencode = copyInformation.xpath("mods:note[@type='status']/text()", namespaceMap)

        if genre == 'series' and not uitleencode:
            data['series'].append('<a href="/search?query=opc-uvt-nl+%s ">%s</a>' %(recordId.split(':')[1], displaySeries))
            #yield '<a href="/?query=opc-uvt-nl+%s ">%s</a>' %(recordId.split(':')[1], displaySeries)
            break

####### Er zijn ook elektronische boeken, hebben geen shelfLocator, maar een electronicLocator
####### met URL.
        url = ""
        l = copyInformation.xpath("mods:shelfLocator/text()", namespaceMap)
        if l: location = l[0]
        else:
            u = copyInformation.xpath("mods:electronicLocator/text()", namespaceMap)
            if u: url = u[0]

        if uitleencode and location:
            # niet uitleenbaar
            if uitleencode[0] == 'i' or uitleencode[0] == 'f':
                if inDepot(location) or genre == 'journal':
                    data['locator'].append(copyInformation)
                else:
                    # FIXME: text layout moet door bzv.js
                    data['library'].append(location + " (" + notForLoan + ")")

            elif uitleencode[0] == 'u' or uitleencode[0] == 'b':
                data['locator'].append(copyInformation)

        elif url:
            yield '<a href="' + url + '">' + ebook + '</a>'

    locator = ""
    for storage in documentStorageList:
        if storage == 'locator' and data[storage]:
            for copyInformation in data['locator']:
                EPN = copyInformation.xpath("mods:note[@type='epn']/text()", namespaceMap)[0]
                if EPN:
                    location = copyInformation.xpath("mods:shelfLocator/text()", namespaceMap)
                    location = location and location[0] or ''

                    if location:
                        locator = getLocator(recordId, mods)
                        action = "stack"
                        if inDepot(location): action = "depot"
                        yield """
                            <ul class="availability" id="%(id)s">
                              <script type="text/javascript" language="JavaScript">
                                openurl("%(id)s", "%(loc)s", "%(locator)s", "%(action)s");
                              </script>
                            </ul>
                            """ %{'id':ID, 'loc':location, 'locator':locator, 'action':action}
                        break
        if locator: break

        title = ""
        if storage == 'depot'   and data[storage]:
            title = depot
        if storage == 'library' and data[storage]:
            title = library
        if storage == 'journal' and data[storage]:
            title = journal
        if storage == 'series'  and data[storage]:
            title = series
        if title:
            # FIXME: deze structuur moet overeenkomen met die van bzv.js
            # daarom moeten de data doorgegeven worden aan bzv.js voor
            # een consistent layout. Optie is een aangepaste availability()
            yield '<ul class="availability">'
            yield '<li class="title">%s</li>' %(title)
            for el in data[storage]:
                yield '<li>%(el)s</li>' %{'el':el}
            yield '</ul>'

def main(index=0, record={}, recordId='', resolver={}, *args, **kwargs):
    language = getLanguage( kwargs['Headers'] )
    fulltext = availabilityConfig.get('fulltext', section="availabilityGroups",default='DIRECT LINK', language=language)
#    logger.debug(infra.prpt('recordId',recordId))
#    logger.debug(infra.prpt('record',record))

    db, rid = recordId.split(':', 1)
    urls = 0
    if 'URL(s)' in record: urls = 1

    genre = ''
    if 'Publication type' in record: genre = record['Publication type']

    mods = any.getMods(recordId)

#    logger.debug(infra.prpt('*mods*', mods))

    # Note: 'id' is a python builtin
    # NOTE: 'id' IS A PYTHON BUILTIN!!!!!!
    ID = 'AvID' + str(index)

    if urls:
        yield '<ul class="availability" id="%(id)s">' % {'id' : ID}
        yield '<li class="title">%(title)s</li>' %{'title':fulltext}
        for url in record['URL(s)']:
            # FIXME config
            yield '<li>'

            if not isMobile(**kwargs):
                yield '<img src="' + fixedPathForIE7(**kwargs) + 'files/edoc.gif" alt="*"/>'
                yield '<a target="_blank" href="%s">full text</a></li>' %(url)
        yield '</ul>'

    if db == "opc-uvt-nl":
        yield getAvailabilityByUitleencode(mods, genre, recordId, ID + '-ulc', language=language)

    else: # not opc
        if urls and (genre != 'article'): pass
        else:   
            yield getAvailabilityByOpenurl(recordId, mods, ID + '-ourl', resolver=resolver)