#!/usr/bin/env bash
if [ "$VERBOSE" == "yes" ]; then set -x;  STD=""; fi
if [ "$VERBOSE" != "yes" ]; then STD="silent"; fi
silent() { "$@" > /dev/null 2>&1; }
if [ "$DISABLEIPV6" == "yes" ]; then echo "net.ipv6.conf.all.disable_ipv6 = 1" >>/etc/sysctl.conf; $STD sysctl -p; fi
YW=$(echo "\033[33m")
RD=$(echo "\033[01;31m")
BL=$(echo "\033[36m")
GN=$(echo "\033[1;92m")
CL=$(echo "\033[m")
RETRY_NUM=10
RETRY_EVERY=3
CM="${GN}✓${CL}"
CROSS="${RD}✗${CL}"
BFR="\\r\\033[K"
HOLD="-"
set -Eeuo pipefail
trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
function error_handler() {
  local exit_code="$?"
  local line_number="$1"
  local command="$2"
  local error_message="${RD}[ERROR]${CL} in line ${RD}$line_number${CL}: exit code ${RD}$exit_code${CL}: while executing command ${YW}$command${CL}"
  echo -e "\n$error_message\n"
}

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}"
}

msg_info "Setting up Container OS "
sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen
locale-gen >/dev/null
while [ "$(hostname -I)" = "" ]; do
        echo 1>&2 -en "${CROSS}${RD} No Network! "
        sleep $RETRY_EVERY
        ((NUM--))
        if [ $NUM -eq 0 ]; then
                echo 1>&2 -e "${CROSS}${RD} No Network After $RETRY_NUM Tries${CL}"
                exit 1
        fi
done
msg_ok "Set up Container OS"
msg_ok "Network Connected: ${BL}$(hostname -I)"

set +e
if nc -zw1 8.8.8.8 443; then msg_ok "Internet Connected"; else
  msg_error "Internet NOT Connected"
    read -r -p "Would you like to continue anyway? <y/N> " prompt
    if [[ $prompt == "y" || $prompt == "Y" || $prompt == "yes" || $prompt == "Yes" ]]; then
      echo -e " ⚠️  ${RD}Expect Issues Without Internet${CL}"
    else
      echo -e " 🖧  Check Network Settings"
      exit 1
    fi
fi
RESOLVEDIP=$(nslookup "github.com" | awk -F':' '/^Address: / { matched = 1 } matched { print $2}' | xargs)
if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure"; else msg_ok "DNS Resolved github.com to ${BL}$RESOLVEDIP${CL}"; fi
set -e

msg_info "Updating Container OS"
$STD apt-get update
$STD apt-get -y upgrade
msg_ok "Updated Container OS"

msg_info "Installing Dependencies"
$STD apt-get install -y curl
$STD apt-get install -y sudo
$STD apt-get install -y mc
$STD apt-get install -y git
msg_ok "Installed Dependencies"

msg_info "Setting up Node.js Repository"
$STD bash <(curl -fsSL https://deb.nodesource.com/setup_16.x)
msg_ok "Set up Node.js Repository"

msg_info "Installing Node.js"
$STD apt-get install -y nodejs
msg_ok "Installed Node.js"

msg_info "Setting up MagicMirror Repository"
$STD git clone https://github.com/MichMich/MagicMirror /opt/magicmirror
msg_ok "Set up MagicMirror Repository"

msg_info "Installing MagicMirror"
cd /opt/magicmirror
$STD npm install --only=prod --omit=dev

cat <<EOF >/opt/magicmirror/config/config.js
let config = {
        address: "0.0.0.0",     
        port: 8080,
        basePath: "/",  
        ipWhitelist: [],        
        useHttps: false,              
        httpsPrivateKey: "",    
        httpsCertificate: "",   
        language: "en",
        locale: "en-US",
        logLevel: ["INFO", "LOG", "WARN", "ERROR"], 
        timeFormat: 24,
        units: "metric",
        serverOnly:  true,
        modules: [
                {
                        module: "alert",
                },
                {
                        module: "updatenotification",
                        position: "top_bar"
                },
                {
                        module: "clock",
                        position: "top_left"
                },
                {
                        module: "calendar",
                        header: "US Holidays",
                        position: "top_left",
                        config: {
                                calendars: [
                                        {
                                                symbol: "calendar-check",
                                                url: "webcal://www.calendarlabs.com/ical-calendar/ics/76/US_Holidays.ics"
                                        }
                                ]
                        }
                },
                {
                        module: "compliments",
                        position: "lower_third"
                },
                {
                        module: "weather",
                        position: "top_right",
                        config: {
                                weatherProvider: "openweathermap",
                                type: "current",
                                location: "New York",
                                locationID: "5128581", //ID from http://bulk.openweathermap.org/sample/city.list.json.gz; unzip the gz file and find your city
                                apiKey: "YOUR_OPENWEATHER_API_KEY"
                        }
                },
                {
                        module: "weather",
                        position: "top_right",
                        header: "Weather Forecast",
                        config: {
                                weatherProvider: "openweathermap",
                                type: "forecast",
                                location: "New York",
                                locationID: "5128581", //ID from http://bulk.openweathermap.org/sample/city.list.json.gz; unzip the gz file and find your city
                                apiKey: "YOUR_OPENWEATHER_API_KEY"
                        }
                },
                {
                        module: "newsfeed",
                        position: "bottom_bar",
                        config: {
                                feeds: [
                                        {
                                                title: "New York Times",
                                                url: "https://rss.nytimes.com/services/xml/rss/nyt/HomePage.xml"
                                        }
                                ],
                                showSourceTitle: true,
                                showPublishDate: true,
                                broadcastNewsFeeds: true,
                                broadcastNewsUpdates: true
                        }
                },
        ]
};

/*************** DO NOT EDIT THE LINE BELOW ***************/
if (typeof module !== "undefined") {module.exports = config;}
EOF
msg_ok "Installed MagicMirror"

msg_info "Creating Service"
service_path="/etc/systemd/system/magicmirror.service"
echo "[Unit]
Description=Magic Mirror
After=network.target
StartLimitIntervalSec=0

[Service]
Type=simple
Restart=always
RestartSec=1
User=root
WorkingDirectory=/opt/magicmirror/
ExecStart=/usr/bin/node serveronly

[Install]
WantedBy=multi-user.target" >$service_path
$STD systemctl enable --now magicmirror
msg_ok "Created Service"

echo "export TERM='xterm-256color'" >>/root/.bashrc
if ! getent shadow root | grep -q "^root:[^\!*]"; then
        msg_info "Customizing Container"
        OS=$(grep "^ID=" /etc/os-release | cut -d'=' -f2)
if [ "$OS" == "debian" ]; then rm /etc/motd /etc/update-motd.d/10-uname; else chmod -x /etc/update-motd.d/*; fi
        touch ~/.hushlogin
        GETTY_OVERRIDE="/etc/systemd/system/container-getty@1.service.d/override.conf"
        mkdir -p $(dirname $GETTY_OVERRIDE)
        cat <<EOF >$GETTY_OVERRIDE
[Service]
ExecStart=
ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud tty%I 115200,38400,9600 \$TERM
EOF
        systemctl daemon-reload
        systemctl restart $(basename $(dirname $GETTY_OVERRIDE) | sed 's/\.d//')
        msg_ok "Customized Container"
fi
if [[ "${SSH_ROOT}" == "yes" ]]; then sed -i "s/#PermitRootLogin prohibit-password/PermitRootLogin yes/g" /etc/ssh/sshd_config; systemctl restart sshd; fi

msg_info "Cleaning up"
$STD apt-get autoremove
$STD apt-get autoclean
msg_ok "Cleaned"