#! /usr/bin/env bash

set -o pipefail
set -o errexit
set -o nounset

: "${DOMAIN:?specify domain name}"

EXPECTED_RESPONSE="[]"
received_response="$(\
    ssh -o StrictHostKeyChecking=no -lroot "$DOMAIN" systemctl --state=activating,failed -o json \
    | jq --sort-keys)"

jq . <(printf "%s" "$received_response")

if diff --color=always <(printf "%s\n" "$EXPECTED_RESPONSE") <(printf "%s\n" "$received_response") 2>/dev/null
then
    echo -e "\e[1;32mOK\e[0m"
else
    echo -e "\e[1;31mFAIL: response does not match!"
    if type jd > /dev/null; then
        jd -color <(printf "%s" "$EXPECTED_RESPONSE") <(printf "%s" "$received_response")
    else
        echo "expected:"
        printf "%s" "$EXPECTED_RESPONSE"
    fi
    exit 1
fi