# $Id$
# $URL$
import pageheader, pagefooter
import searchform, resultlist, drilldown
serverConfig = infra.configRoot
websiteConfig = infra.configRoot
logger = logging.getLogger('meresco.search')
logger.debug("Starting logger")

TOOMANYCLAUSES = 'TooManyClauses'

def main(headers={}, arguments={}, *args, **kwargs):
    templatePrefix = ''
    if isMobile(**kwargs):
        templatePrefix = 'mobile.'

    pageHeader = pageheader.main(*args, **kwargs)
    pageFooter = pagefooter.main(*args, **kwargs)

    language = getLanguage( kwargs['Headers'] )
    logger.debug('language: ' + language)
    displayType = arguments.get('displayType',['multiple'])[0]

    if displayType == 'single':
        singleRecord = True
    else:
        singleRecord = False

    query = ''
    httpQuery = ''

#    if kwargs['query']:
#        logger.debug('kwargs query: ' + kwargs['query'])

    if ('query' in (arguments)):
        query = arguments.get('query', [''])[0]
        logger.debug ( infra.prpt('arguments', arguments))
        httpQuery = arguments.get('query', [''])[0]
        httpQuery = escapeHtml(httpQuery)

    sortBy = sortDescending = None
    sortKeys = arguments.get('sortKeys', [''])[0]
    if not sortKeys:
        sortKeys = any.configuration().get('defaultSortKeys', None)
    if sortKeys:
        sortBy, ignored, sortDescending = sortKeys.split(',')

    drilldownArguments = arguments.get('drilldown', [])
    extra = arguments.get('extra', [])
    offset = int(arguments.get('offset', ['0'])[0])


    # initialisations #
    results = {}
    docset = []
    total = 0
    recordIds = []
    errorString = ''

    # parsetree wordt doorgegeven aan search engine via de call executeCQL
    # cqlQuery is de serialisatie die gebruikt wordt voor RSS
    parsetree, cqlQuery = any.parseQuery(query, drilldownArguments, extra)
    url = serverConfig.get('url', section='dbserver', default='self')
    # De start en stop argumenten bepalen het begin en eind record welke worden teruggegeven.
    # De +10 in de stop is dus de batchgrootte.

    if query:
        t0 = time()
        if url == 'self':
            sortDescending = sortDescending == '1'

            try:
                total, recordIds = any.executeCQL(cqlAbstractSyntaxTree=parsetree, start=offset, stop=offset+10, sortBy=sortBy, sortDescending=sortDescending)
                docset = any.docsetFromQuery(cqlAbstractSyntaxTree=parsetree)
            except:
                tb = format_exc()
                logger.error(tb)

                if (tb.find(TOOMANYCLAUSES) != -1):
                    errorString = websiteConfig.get(TOOMANYCLAUSES, section='userFeedback',language=language)
        else:

            results = any.getResponse(query, drilldownArguments, extra, dbserver=url, start=offset, stop=offset+10, sortBy=sortBy, sortDescending=sortDescending, infra = infra)
            total = results['total']
            if 'recordIds' in results: recordIds = results['recordIds']
        duration = time() - t0
    else: duration = 0.000

    if not singleRecord:
        rssLink         = '%s/rss?%s'  % (any.configuration().get('baseURL', ''), urlencode({'query': cqlQuery}))
        rssImage        = '/files/' + websiteConfig.get('rss', section='images')

    # generator objects
    drilldownResults = {}
    if 'drilldownResults' in results:
        drilldownResults = results['drilldownResults']

    multilevelResults = {}
    if 'multilevelResults' in results:
        multilevelResults = results['multilevelResults']

    drilldowns = drilldown.main(total=total, docset=docset, drilldownResults=drilldownResults,
                                multilevelResults=multilevelResults, arguments=arguments, *args, **kwargs)

    if not isPermaLink(**kwargs): 
        searchForm = searchform.main(arguments=arguments, *args, **kwargs)
        messageOfTheDay  = websiteConfig.get('messageOfTheDay', 
                                             section  = 'userFeedback', 
                                             default  = "goodmorning captain",
                                             language = language)
        bzvTitle         = websiteConfig.get("applicationName", 
                                             section  = "userFeedback", 
                                             default  = "forgot it", 
                                             language = language)
        find             = websiteConfig.get("find",            
                                             section  = "vocabulary", 
                                             default  = "Find: ", 
                                             language = language)
        booksAndArticles = websiteConfig.get("booksAndArticles",
                                             section  = "vocabulary", 
                                             default  = "thingies", 
                                             language = language)

    records = {}
    if 'records' in results: records = results['records']
    resultList = resultlist.main(total=total, recordIds=recordIds, records=records, duration=duration,
                                 cqlQuery=cqlQuery, httpQuery = httpQuery, errorString=errorString, arguments=arguments, *args, **kwargs )

    if isPermaLink(**kwargs):
       yield backtick('permaLink.template', {
            'pageHeader': pageHeader,
            'pageFooter': pageFooter,
            'resultList': resultList,
            })
    elif singleRecord:
        templateFile = templatePrefix + 'singleRecord.template'
        yield backtick(templateFile, {
                    'pageHeader': pageHeader,
                    'pageFooter': pageFooter,
                    'drilldowns': drilldowns,
                    'messageOfTheDay': messageOfTheDay,
                    'searchForm': searchForm,
                    'resultList': resultList,
                    })
    else:
            templateFile = templatePrefix + 'search.template'
            yield backtick(templateFile, {
                    'pageFooter': pageFooter,
                    'pageHeader': pageHeader,
                    'drilldowns': drilldowns,
                    'messageOfTheDay': messageOfTheDay,
                    'rssLink': rssLink,
                    'rssImage': rssImage,
                    'searchForm': searchForm,
                    'resultList': resultList,
                    'find': find,
                    'bzvTitle': bzvTitle,
                    'booksAndArticles': booksAndArticles,
                    })