#!/bin/bash
# I, Ian Kelling, follow the GNU license recommendations at
# https://www.gnu.org/licenses/license-recommendations.en.html. They
# recommend that small programs, < 300 lines, be licensed under the
# Apache License 2.0. This file contains or is part of one or more small
# programs. If a small program grows beyond 300 lines, I plan to switch
# its license to GPL.

# Copyright 2024 Ian Kelling

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.



set -e; . /usr/local/lib/bash-bear; set +e

remote=$1
fastcon=0
while true; do
  start=$EPOCHSECONDS
  if ! ssh-add -l | grep SHA256:YEhwH5u+wkqkSl/dCq8rFebi2qz7Os3RmIWPxMg13eA &>/dev/null; then
    ssh -n $remote
  fi
  # -n or else it competes with the other ssh for reading stdin.
  ssh -n $remote prof-tail | prof-notify &
  ssh -t $remote screen -Dr -S profanity ||:
  builtin kill %% &> /dev/null ||:
  if (( EPOCHSECONDS > start + 600 )); then
    fastcon=0
  fi
  # we try to reconnect quickly for a while (just once as I write this),
  # then try to reconnect slowly.
  if (( fastcon < 1 )); then
    echo "waiting 10. any key to cancel"
    read -rsN1 -t 10 ||:
    fastcon=$((fastcon+1))
  else
    echo "waiting 120. any key to cancel"
    # like sleep but stop on any input
    read -rsN1 -t 120 ||:
  fi
done