#!/usr/bin/python

import sys

import traceback

sys.path.insert(0, "/home/fabien/lib/python")

sys.path.insert(0, "./lib")

sys.stderr = sys.stdout

print "Content-type: text/html; charset=iso-8859-1;"

print

# import cgitb; cgitb.enable()

import cgi

import my_db

from os import environ

from webutils import load_index

from keywords import get_keywords

def do_merge(form, db):

	fromids = get_keywords(form, 'id')

	toids = get_keywords(form, 'kw')

	remove_them = form.has_key('remove')

	if remove_them:

		lastid = toids.pop()

	for id in fromids:

		fromkw = db.get_keyword(id)

		for dest in toids:

			tokw = db.get_keyword(dest)

			print "<em>Adding '%s' into '%s'.</em><br/>" % (fromkw, tokw)

			db.add_keywords(id, dest) 

		if remove_them:

			tokw = db.get_keyword(lastid)

			print "<em>Merging '%s' into '%s'.</em><br/>" % (fromkw, tokw)

			db.merge_keywords(id, lastid)

def do_rename(form, db):

	ids = get_keywords(form, 'id')

	for id in ids:

		oldname = db.get_keyword(id)

		newname = form['name%d' % id].value

		print "<em>Renaming '%s' into '%s'.</em><br/>" % (oldname, newname)

		db.update_keyword(id, newname)

def do_delete(form, db):

	ids = get_keywords(form, 'id')

	for id in ids:

		kw = db.get_keyword(id)

		print "<em>Removing '%s'.</em><br/>" % kw

		db.remove_keyword(id)

if (__name__ == "__main__"):

    form = cgi.FieldStorage()

    db = my_db.connect(environ["REMOTE_USER"])

    prefs = db.get_preferences()

    action = form['action'].value

    if action == 'merge':

	do_merge(form, db)

    elif action == 'rename':

	do_rename(form, db)

    elif action == 'delete':

    	do_delete(form, db)

    load_index(db, prefs)