from templates import Template

from keywords import set_selection, sort_keywords

from __future__ import nested_scopes

def do_folder_action(db, form, folder):

   if form['action'].value == 'add':

    	if form.has_key('sel'):

		keyword = int(form['sel'].value)

		db.add_folder(keyword, folder)

		print "<em>Folder successfully add.</em>"

		return keyword

   elif form['action'].value == 'delete':

   	if form.has_key('delete'):

		keyword = int(form['delete'].value)

		db.remove_folders(keyword)

		print "<em>Folder successfully remove.</em>"

		return keyword

   return -1

def sort_kw_with_removed(l, r):

	result = l['removed'] - r['removed']

	if result == 0:

		result = l['count'] - r['count']

	return -int(result)

def output(prefs, folder, parents, children, bookmarks, keywords, status, status_msg):

    tmpl = Template("folders.tmpl", prefs, status, status_msg)

    tmpl.set('Parents', parents)

    tmpl.set('folder', folder['id'])

    tmpl.set('name', folder['name'])

    tmpl.set('total', folder['count'])

    tmpl.set('subtotal', len(bookmarks))

    bookmarks.sort(lambda l,r: cmp(l['name'],r['name']))

    tmpl.set('Bookmarks', bookmarks)

    tmpl.set('Subfolders', children)

    keywords.sort(sort_kw_with_removed)

    tmpl.set('Keywords', keywords)

    print tmpl.process()

def do_folders(db, prefs, form, status, status_msg):

    folder = 0

    if form:

    	if form.has_key('folder'):

    		folder = int(form['folder'].value)

   	if form.has_key('action'):

		do_folder_action(db, form, folder)

    parents = db.get_folder_parents_and_self(folder)

    parents.reverse()

    children = db.get_subfolders(folder)

    selection = map(lambda e: e['keyword'], parents)

    exclusion = map(lambda e: e['keyword'], children)

    folders_keywords = []

    for parent in parents:

	folders_keywords.append(parent['keyword'])

	parent['count'] = db.get_bookmarks_count(folders_keywords)[0][1]

    children_keywords = db.get_bookmarks_count(selection, [], exclusion)

    for child in children:

	folders_keywords.append(child['keyword'])

	# This is really selection, not folders_keywords

	child['count'] = 0

	for kw in children_keywords:

		if kw[0] == child['keyword']:

			child['count'] = kw[1]

			children_keywords.remove(kw)

			break

    del children_keywords

    bookmarks = map(lambda bk: bk[0], db.select_bookmarks(selection))

    allkw = filter(lambda kw: kw[0] not in folders_keywords,

   			 db.get_keywords(bookmarks))

    keywords = map(lambda kw: { 'id': kw[0], 'keyword': kw[1] }, allkw)

    allkw = map(lambda kw: kw[0], allkw)

    count = db.get_bookmarks_count(selection, [], allkw)

    removed = db.get_bookmarks_count(selection, exclusion, allkw)

    for kw in keywords:

    	kw['count'] = 0

	kw['removed'] = 0

    	for cnt in count:

		if kw['id'] == cnt[0]:

			kw['count'] = cnt[1]

			count.remove(cnt)

			break

    	for cnt in removed:

		if kw['id'] == cnt[0]:

			kw['removed'] = cnt[1]

			removed.remove(cnt)

			break

    del allkw, count, removed

    bookmarks = db.select_bookmarks(selection, exclusion)

    if len(bookmarks) <> 0:

   	bookmarks = db.get_bookmarks(map(lambda bk: bk[0], bookmarks))

    	bookmarks = map(lambda bk: bk.dict(), bookmarks)

    output(prefs, parents.pop(), parents, children, bookmarks, keywords, status, status_msg)