#!/bin/bash

# Tests for Serval DNA Route REST API
#
# Copyright 2018 Flinders University
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

source "${0%/*}/../testframework.sh"
source "${0%/*}/../testdefs.sh"
source "${0%/*}/../testdefs_rest.sh"
source "${0%/*}/../testdefs_routing.sh"

setup() {
   setup_rest_utilities
   setup_servald
   assert_no_servald_processes
   setup_rest_config +A
}

configure_servald_server() {
   executeOk_servald config \
      set debug.mdprequests yes \
      set debug.linkstate yes \
      set debug.subscriber yes \
      set debug.verbose yes \
      set debug.overlayrouting yes \
      set log.console.level debug \
      set log.console.show_pid on \
      set log.console.show_time on \
      set rhizome.enable no
}

finally() {
   stop_all_servald_servers
}

teardown() {
   foreach_instance_with_pidfile log_routing_table
   stop_all_servald_servers
   kill_all_servald_processes
   assert_no_servald_processes
   report_all_servald_servers
}

doc_AuthBasicMissing="REST API missing Basic Authentication credentials"
setup_AuthBasicMissing() {
   setup
   set_instance +A
   start_servald_server
   wait_until_rest_server_ready
}
test_AuthBasicMissing() {
   rest_request GET "/restful/route/all.json" 401 --no-auth
   assertGrep response.headers "^WWW-Authenticate: Basic realm=\"Serval RESTful API\"$CR\$"
   assertJq response.json 'contains({"http_status_code": 401})'
   assertJq response.json 'contains({"http_status_message": ""})'
}

doc_AuthBasicWrong="REST API incorrect Basic Authentication credentials"
setup_AuthBasicWrong() {
   setup
   set_instance +A
   start_servald_server
   wait_until_rest_server_ready
}
test_AuthBasicWrong() {
   rest_request GET "/restful/route/all.json" 401 --user=fred:nurks
   assertGrep response.headers "^WWW-Authenticate: Basic realm=\"Serval RESTful API\"$CR\$"
   assertJq response.json 'contains({"http_status_code": 401})'
   assertJq response.json 'contains({"http_status_message": ""})'
   rest_request GET "/restful/route/all.json" 200 --user=ron:weasley
}

doc_RouteListAll="REST API list entire routing table"
setup_RouteListAll() {
   setup
   DIDA1=565656
   NAMEA1="Neddy Seagoon"
   DIDA2=3020304
   NAMEA2="Spike Milligan"
   foreach_instance +A +B create_identities 2
   foreach_instance +A +B add_servald_interface 1
   foreach_instance +A +B start_servald_server
   wait_until_rest_server_ready +A
   get_servald_primary_sid +B PRIMARY_SIDB
   wait_until --timeout=20 path_exists +A +B
   wait_until --timeout=10 path_exists +B +A
   set_instance +A
}
test_RouteListAll() {
   rest_request GET "/restful/route/all.json"
   transform_list_json response.json routes.json
   assert [ "$(jq 'length' routes.json)" = 4 ]
   assertJq routes.json 'contains([{"sid": "'"$SIDA1"'",
                                    "did": "'"$DIDA1"'",
                                    "name": "'"$NAMEA1"'",
                                    "is_self": true,
                                    "hop_count": 0}])'
   assertJq routes.json 'contains([{"sid": "'"$SIDA2"'",
                                    "did": "'"$DIDA2"'",
                                    "name": "'"$NAMEA2"'",
                                    "is_self": true,
                                    "hop_count": 0}])'
   assertJq routes.json 'contains([{"sid": "'"$PRIMARY_SIDB"'",
                                    "is_self": false,
                                    "reachable_unicast": true,
                                    "reachable_indirect": false,
                                    "hop_count": 1}])'
   for SID in "${SIDB[@]}"; do
      if [ "$SID" != "$PRIMARY_SIDB" ]; then
         assertJq routes.json 'contains([{"sid": "'"$SID"'",
                                          "is_self": false,
                                          "reachable_unicast": false,
                                          "reachable_indirect": true,
                                          "hop_count": 2}])'
      fi
   done
}

runTests "$@"