import searchform, resultlist, drilldown
import cqlparser,  cqlwebutils

def createCqlQuery(query, drilldownargs):
    q = cqlwebutils.parseCqlFromWeb(query)
    if q.isEmpty():
        q.add('meresco.exists')
        q.add('true')
        q.EXACT()
    for fieldAndTerm in drilldownargs:
        field, term = drilldown.fieldAndTermSplit(fieldAndTerm)
        q.add(field)
        q.add(term)
        q.EXACT()
        q.AND()

    cqlQuery = str(q)
    return cqlQuery

def main(headers={}, arguments={}, *args, **kwargs):
    yield searchform.main(arguments=arguments, *args, **kwargs)
    httpQuery = arguments.get('query', [''])[0]
    sortBy = sortDescending = None
    sortKeys = any.configuration().get('defaultSortKeys', None)
    if sortKeys:
        sortBy, ignored, sortDescending = sortKeys.split(',')
        sortDescending = sortDescending == '1'
    cqlQuery = createCqlQuery(httpQuery, arguments.get('drilldown', []))
    parsetree = cqlparser.parseString(cqlQuery)
    t0 = time()
    hits = any.executeCQL(parsetree, sortBy=sortBy, sortDescending=sortDescending)
    duration = time() - t0
    yield resultlist.main(hits, duration, cqlQuery, httpQuery, arguments=arguments, *args, **kwargs)