#!/usr/bin/env bash
clear
YW=`echo "\033[33m"`
BL=`echo "\033[36m"`
RD=`echo "\033[01;31m"`
BGN=`echo "\033[4;92m"`
GN=`echo "\033[1;92m"`
DGN=`echo "\033[32m"`
CL=`echo "\033[m"`
BFR="\\r\\033[K"
HOLD="-"
CM="${GN}✓${CL}"
CROSS="${RD}✗${CL}"
APP="Home Assistant Container"
while true; do
    read -p "This will restore ${APP} from a backup. Proceed(y/n)?" yn
    case $yn in
        [Yy]* ) break;;
        [Nn]* ) exit;;
        * ) echo "Please answer yes or no.";;
    esac
done
clear
function header_info {
cat << "EOF"
    __  __                        ___              _      __              __              
   / / / /___  ____ ___  ___     /   |  __________(_)____/ /_____ _____  / /_   
  / /_/ / __ \/ __ `__ \/ _ \   / /| | / ___/ ___/ / ___/ __/ __ `/ __ \/ __/  
 / __  / /_/ / / / / / /  __/  / ___ |(__  |__  ) (__  ) /_/ /_/ / / / / /_   
/_/ /_/\____/_/ /_/ /_/\___/  /_/  |_/____/____/_/____/\__/\__,_/_/ /_/\__/   
                        RESTORE FROM BACKUP                                
EOF
}

header_info

function msg_info() {
    local msg="$1"
    echo -ne " ${HOLD} ${YW}${msg}..."
}
function msg_ok() {
    local msg="$1"
    echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
}
function msg_error() {
    local msg="$1"
    echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
}
if [ -z "$(ls -A /var/lib/docker/volumes/hass_config/_data/backups/)" ]; then msg_error "No backups found! \n"; exit 1; fi
DIR=/var/lib/docker/volumes/hass_config/_data/restore
if [ -d "$DIR" ];
then
    msg_ok "Restore Directory Exists."
else
    mkdir -p /var/lib/docker/volumes/hass_config/_data/restore
    msg_ok "Created Restore Directory."
fi
cd /var/lib/docker/volumes/hass_config/_data/backups/
PS3="Please enter your choice: "
files="$(ls -A .)"
select filename in ${files}; do msg_ok "You selected ${BL}${filename}${CL}"; break; done
msg_info "Stopping Home Assistant"
docker stop homeassistant &>/dev/null
msg_ok "Stopped Home Assistant"
msg_info "Restoring Home Assistant using ${filename}"
tar xvf ${filename} -C /var/lib/docker/volumes/hass_config/_data/restore &>/dev/null
cd /var/lib/docker/volumes/hass_config/_data/restore
tar -xvf homeassistant.tar.gz &>/dev/null
if ! command -v rsync >/dev/null 2>&1; then apt-get install -y rsync &>/dev/null; fi
rsync -a /var/lib/docker/volumes/hass_config/_data/restore/data/ /var/lib/docker/volumes/hass_config/_data
rm -rf /var/lib/docker/volumes/hass_config/_data/restore/*
msg_ok "Restore Complete"
msg_ok "Starting Home Assistant \n"
docker start homeassistant