#!/usr/bin/env bash
###
# File: sunshine-stop
# Project: bin
# File Created: Tuesday, 23rd August 2023 3:28:52 pm
# Author: Josh.5 (jsunnex@gmail.com)
# -----
# Last Modified: Friday, 23rd August 2023 4:21:00 pm
# Modified By: Josh.5 (jsunnex@gmail.com)
###
set -e

exec >> >(tee -a /tmp/sunshine-exec-stop.log) 2>&1
echo
echo "-------------------------------"
echo
date
echo
echo "-------------------------------"
echo
echo "**** Execute sunshine-stop ****"
echo

# Read the run config
if [ -f /tmp/sunshine-exec-run.conf ]; then
    . /tmp/sunshine-exec-run.conf
fi

# Read the process PID
process_pid="$(cat /tmp/sunshine-exec-run.pid)"
echo "  - Found initial sunshine-run PID '${process_pid}'"

# Send a INT signal to the PID
echo "  - Sending SIGINT to PID '${process_pid}'"
kill -INT "${process_pid}"

# Run a loop to check for any other "sunshine-run" processes and send them also a INT signal
echo "  - Checking for other sunshine-run processes '${process_pid}'"
for process_pid in $(ps aux | grep -v grep | grep sunshine-run | awk '{print $2}'); do
    echo "  - Sending SIGINT to PID '${process_pid}'"
    kill -INT "${process_pid}" 2>/dev/null
    sleep 0.5
    counter=0
    while kill -0 "$process_pid" 2>/dev/null; do
        echo "  - Sending SIGTERM to PID '${process_pid}'"
        kill -TERM "$process_pid" 2>/dev/null
        counter=$((counter + 1))
        [ "$counter" -gt 2 ] && break
        sleep 2
    done
    counter=0
    while kill -0 "$process_pid" 2>/dev/null; do
        echo "  - Sending SIGKILL to PID '${process_pid}'"
        kill -KILL "$process_pid" 2>/dev/null
        counter=$((counter + 1))
        [ "$counter" -gt 2 ] && break
        sleep 1
    done
done

# Check if the required information was stored for resetting the display resolution and refresh rate
if ([ "X${primary_output:-}" != "X" ] && [ "X${display_mode:-}" != "X" ] && [ "X${display_rate:-}" != "X" ]); then
    # Reset display resolution and refresh rate
    echo "  - Resetting display resolution to ${display_mode:?} ${display_rate:?}Hz"
    xrandr --output "${primary_output:?}" --mode "${display_mode:?}" --rate "${display_rate:?}"
fi

# Clean up config file
rm -f /tmp/sunshine-exec-run.conf

# Clean up PID file
rm -f /tmp/sunshine-exec-run.pid

echo "DONE"