#!/usr/bin/python

from keywords import get_keywords, sort_keywords, set_selection
from templates import Template

def process_index(bk, kw, pref):
    tmpl = Template("dynamic.tmpl", pref)
    bk.sort(lambda x,y: cmp(x['name'],y['name']))
    tmpl.set("Bookmarks", bk)
    kw = sort_keywords(kw, pref)
    tmpl.set("Keywords", kw)
    tmpl.set("total", len(bk))
    print tmpl.process()

def do_dynamic(db, prefs, form = []):
    if form:
        selection = get_keywords(form, 'sel')
        exclusion = get_keywords(form, 'exc')
    else:
    	selection = exclusion = []
    if len(selection) == 0:
    	keywords = set_selection(db, [], selection, exclusion)
    	exc = map(lambda e: int(e['id']), keywords[1:])
   	bookmarks = db.select_bookmarks([0], exc)
    else:
    	bookmarks = db.select_bookmarks(selection, exclusion)
   	keywords = set_selection(db,
		map(lambda e: e[0], bookmarks),
		selection, exclusion)
    total = len(bookmarks)
    if len(bookmarks) > 0:
    	bookmarks = db.get_bookmarks(map(lambda x: x[0], bookmarks))
    bookmarks = map(lambda bk: bk.dict(), bookmarks)
    process_index(bookmarks, keywords[1:], prefs)