#! /bin/sh
# wss-proxy.py neatly exits if we don't have dependencies, but what if we don't
# have Python itself?

if ! type python3 > /dev/null 2>&1; then
    # No python3 binary.
    # Fortunately, CLN gives us JSON in a very standard way, so we can assume:
    # Eg. {"jsonrpc":"2.0","id":2,"method":"getmanifest","params":{}}\n\n
    read -r JSON
    read -r _
    id=$(echo "$JSON" | sed 's/.*"id" *: *\([^,]*\),.*/\1/')
    echo '{"jsonrpc":"2.0","id":'"$id"',"result":{"disable":"No python3 binary found"}}'
    exit 1
fi

exec "$0".py