#!bin/bash
# get all defined packages
univention-ldapsearch univentionObjectType=settings/packages univentionPackageDefinition -xLLL | sort | uniq | grep univentionPackageDefinition: | sed 's/univentionPackageDefinition: //' > all_packages

# authenticate at UMC
COOKIEJAR="$(mktemp)";
username=Administrator;
password=univention;
host=10.200.27.6;
curl -s --cookie "$COOKIEJAR" --cookie-jar "$COOKIEJAR" -H "Content-Type: application/json" -d '{"options":{"username":"'"$username"'","password":"'"$password"'"}}' "http://$host/umcp/auth"

# script to parse json
cat > packages.py <<EOL
import json, sys;
data = json.loads(sys.stdin.read())['result'];
if data['broken']:
	print(data['broken']);
removed = [d for d in data['remove'] if d.startswith('univention') or d.startswith('ucs')]
if removed:
	print('removing %s would also remove: %s' % (sys.argv[1], ' '.join(removed),));
	print
EOL

# query each packages which would uninstall UCS
while read line; do
	curl -s --cookie "$COOKIEJAR" --cookie-jar "$COOKIEJAR" -H "Content-Type: application/json" -d '{"options":{"function":"uninstall","packages":["'"$line"'"]}}' "http://$host/umcp/command/appcenter/packages/invoke/test" | python -m json.tool | python packages.py "$line"
done < all_packages