#!/usr/bin/env bash
IP=$(hostname -I | awk '{print $1}')
YW=`echo "\033[33m"`
BL=`echo "\033[36m"`
RD=`echo "\033[01;31m"`
BGN=`echo "\033[4;92m"`
GN=`echo "\033[1;92m"`
DGN=`echo "\033[32m"`
CL=`echo "\033[m"`
BFR="\\r\\033[K"
HOLD="-"
CM="${GN}✓${CL}"
APP="Code Server"
hostname="$(hostname)"
set -o errexit
set -o errtrace
set -o nounset
set -o pipefail
shopt -s expand_aliases
alias die='EXIT=$? LINE=$LINENO error_exit'
trap die ERR

function error_exit() {
  trap - ERR
  local reason="Unknown failure occured."
  local msg="${1:-$reason}"
  local flag="${RD}‼ ERROR ${CL}$EXIT@$LINE"
  echo -e "$flag $msg" 1>&2
  exit $EXIT
}

while true; do
    read -p "This will Install ${APP} on $hostname. Proceed(y/n)?" yn
    case $yn in
        [Yy]* ) break;;
        [Nn]* ) exit;;
        * ) echo "Please answer yes or no.";;
    esac
done
clear
function header_info {
echo -e "${BL}
   ______          __        _____                          
  / ____/___  ____/ /__     / ___/___  ______   _____  _____
 / /   / __ \/ __  / _ \    \__ \/ _ \/ ___/ | / / _ \/ ___/
/ /___/ /_/ / /_/ /  __/   ___/ /  __/ /   | |/ /  __/ /    
\____/\____/\__,_/\___/   /____/\___/_/    |___/\___/_/     
${CL}"
}

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}"
}

msg_info "Installing Dependencies"
apt-get install -y curl &>/dev/null
apt-get install -y sudo &>/dev/null
apt-get install -y git &>/dev/null
msg_ok "Installed Dependencies"

VERSION=$(curl -s https://api.github.com/repos/coder/code-server/releases/latest \
| grep "tag_name" \
| awk '{print substr($2, 3, length($2)-4) }') \

msg_info "Installing Code-Server v${VERSION}"
curl -fOL https://github.com/coder/code-server/releases/download/v$VERSION/code-server_${VERSION}_amd64.deb &>/dev/null
sudo dpkg -i code-server_${VERSION}_amd64.deb &>/dev/null
rm -rf code-server_${VERSION}_amd64.deb
mkdir -p ~/.config/code-server/
sudo systemctl enable --now code-server@$USER &>/dev/null
cat <<EOF > ~/.config/code-server/config.yaml
bind-addr: 0.0.0.0:8680
auth: none
password: 
cert: false
EOF
sudo systemctl restart code-server@$USER
msg_ok "Installed Code-Server v${VERSION} on $hostname"

echo -e "${APP} should be reachable by going to the following URL.
         ${BL}http://$IP:8680${CL} \n"