#!/usr/bin/env bash

SAVE_DIR="/home/torjus/.local/share/Steam/steamapps/compatdata/881100/pfx/drive_c/users/steamuser/AppData/LocalLow/Nolla_Games_Noita"

RESTIC_REPOSITORY="/home/$(whoami)/tmp/noita-backup"
export RESTIC_REPOSITORY
export RESTIC_PASSWORD="noita"

function start {
    echo "Doing initial backup"
    restic backup -q "$SAVE_DIR"
    echo "Backup done"

    echo "Mounting tmpfs for save folder..."
    sudo mount -o size=2G,noswap -t tmpfs none "$SAVE_DIR"

    echo "Restoring initial backup..."
    restic restore "latest:$SAVE_DIR" --target "$SAVE_DIR"

    echo "Ready to play Noita!"
    echo "Remember to run $0 stop when done."

    while true
    do
        restic backup -q "$SAVE_DIR"
        echo "Periodic backup done..."
        sleep 10m
    done
}

function stop {
    restic backup -q $SAVE_DIR
    sudo umount $SAVE_DIR
    restic restore latest:$SAVE_DIR --target $SAVE_DIR
    echo "Backup and unmount done..."
}

if [ "$#" -ne 1 ]; then
    echo "Usage: $0 {start|stop}"
    exit 1
fi

if [ "$1" == "start" ]; then
    start
elif [ "$1" == "stop" ]; then
    stop
else
    echo "Usage: $0 {start|stop}"
    exit 1
fi