import paginate, drilldown

BASEURLJOURNALCOVERS = 'http://drcwww.uvt.nl/~place/elsevier/'

import rating

def xpath(node, path):
    result = node.xpath(path, {'mods':'http://www.loc.gov/mods/v3'})
    return result and result[0] or ''

def nodeset(node, path):
    return node.xpath(path, {'mods':'http://www.loc.gov/mods/v3'})

def renderSingleItem(index, link, metadata, recordId):
### the paths for the xpath function are adapted because of the use of metadata instead of mods
    mods = xpath(metadata, '//mods:mods') 
    #authors = ', '.join(
    #    ' '.join(namepart for namePart in xpath(name, '/mods:namePart/text()'))
    #        for name in xpath(metadata, 'mods:mods/mods:name'))
    authors = ""
    for name in nodeset(metadata, '//mods:mods/mods:name'):
        for namePart in nodeset(name, 'mods:namePart/text()'):
            authors += namePart
            authors += ' '
        authors = authors.rstrip(' ')
        authors += ', '

    genre = ''.join(xpath(metadata, '//mods:mods/mods:genre/text()'))
    if genre and '/' in genre:
        genre = genre.split('/')[-1]
    title = ''.join(xpath(metadata, '//mods:mods/mods:titleInfo/mods:title/text()')) or '[NO TITLE AVAILABLE]'
    yield '<tr class="topLine">'
    yield '<td class="alignRight padLeft">%s.</td>' % index
    yield '<td>%s</td>' % genre
    yield '<td><a href="%s">%s</a></td>' % (
        link,
        title
    )
    yield '<td class="padRight">%s</td>' % ", ".join(nodeset(metadata, '//mods:originInfo/mods:dateIssued/text()'))
    yield '<td>%s</td>' % authors.rstrip(' ,')
    yield '<td class="rating">'
    yield rating.showRating(recordId, imageSize='small')
    yield '</td>'
    yield '</tr>\n'

    url = any.createOpenURL(mods)
    coverUrl = getCoverUrlFor(recordId, mods)
    if coverUrl:
        #yield """<tr><td class="padLeft"></td> <td class="cover"><img alt="NO COVER AVAILABLE" src="%(coverUrl)s"/></td> <td colspan="4" class="padRight">%(journalTitle)s</td> </tr>\n""" % {
        yield """<tr><td class="padLeft"></td> <td class="cover"><img alt="NO COVER AVAILABLE" src="%(coverUrl)s"/></td> <td colspan="3" class="padRight">%(title)s</td><td class="openurl" ><a href="%(url)s">Locator</a></td></tr> \n""" % {
            'coverUrl': coverUrl,
            #'journalTitle': ''.join(xpath(metadata, '//mods:mods/mods:relatedItem/mods:titleInfo/mods:title/text()'))
            'title': ''.join(xpath(metadata, '//mods:mods/mods:relatedItem/mods:titleInfo/mods:title/text()')),
            'url'  : url
        }
    else:
    	yield """<tr><td colspan= "5"/><td class="openurl" ><a href="%s">Locator</a></td></tr>\n""" % url
#    yield """<tr><td colspan="6"`>
#    	<script type="text/javascript">
#    	<!--
#    	url="%s"
#    	openurl(this, url);
#    	//-->
#    	</script>
#    	</td></tr>\n""" % url 

def getCoverUrlFor(recordId, mods):
    identifier = ''.join(xpath(mods, '//mods:identifier/text()'))
    if not identifier: return
    idParts = identifier.split(':')
### urn:{issn|issbn}:<value>
    if len(idParts) < 3: return 
    if idParts[1] == 'issn' or idParts[1] == 'ISSN':
    	return '%s/%s.gif' % (BASEURLJOURNALCOVERS, idParts[2])
    if idParts[1] == 'isbn' or idParts == 'ISBN':
	return 'http://syndetics.com/index.aspx?isbn=%s/sc.gif&client=univantilburg' % idParts[2]

def main(hits=None, duration=0, cqlQuery=None, httpQuery='', arguments={}, path='', *args, **kwargs):
    language = path.startswith('/en/') and 'en' or 'nl'

    rssLink = 'http://%s/rss?%s'  % (any.configuration().get('host', ''), urlencode({'query': cqlQuery}))
    yield """<div class="rss">
            <script type="text/javascript" language="javascript">
            <!--
            addRssLink("%s");
            //-->
            </script>""" % rssLink
    yield '<a href="%s"><img src="/files/rss.png" alt="rss"/></a>' % rssLink
    yield '</div>'
    offset = int(arguments.get('offset', ['0'])[0])
    lo, hi = offset + 1, min(offset + 10, len(hits))
    yield "<div id='searchresults'>"
    yield '<div id="searchstats">'
    yield {'nl':'Resultaten %s - %s van %d (%.5s seconden).', 'en': 'Results %s - %s of %d (%.5s seconds).'}[language]  % (lo, hi, len(hits), duration)
    yield '</div>\n'

    yield "<div class='alignRight paginate'>"
    yield paginate.main(offset, len(hits), arguments=arguments, path=path, *args, **kwargs)
    yield "</div>\n"

    yield "<div id='searchresults_list'>\n"
    yield "<table class='resultTable'>\n"

    index = offset
    for recordId in hits[offset:offset+10]:
####### using the complete metadata record instead of only the mods part
        metadata = parse(any.getStream(recordId, 'metadata'))
        link = '/recordview?' + urlencode({
            'recordId': recordId})
        index += 1
        yield renderSingleItem(index, link, metadata, recordId)

    yield "</table>\n"
    yield "</div>\n"
    yield "<div class='alignRight paginate'>"
    yield paginate.main(offset, len(hits), arguments=arguments, path=path,  *args, **kwargs)
    yield "</div>\n"
    yield "</div>\n"

    yield drilldown.main(hits=hits, httpQuery=httpQuery, arguments=arguments, path=path, *args, **kwargs)