#!/bin/bash

# bachir soussi chiadmi

# get the current position
_cwd="$(pwd)"

echo -e '\033[35m
 __      __   _    _  _          _
 \ \    / /__| |__| || |___  ___| |__
  \ \/\/ / -_) `_ \ __ / _ \/ _ \ / /
   \_/\_/\___|_.__/_||_\___/\___/_\_\
\033[0m'

# check for assets folder
_assets="$_cwd/assets"
if [ ! -d "$_assets" ]; then
  _assets="$_cwd/../assets"
  if [ ! -d "$_assets" ]; then
    echo "!! can't find assets directory !!"
    exit
  fi
fi

user=""
while [ "$user" = "" ]
do
  read -p "enter an existing user name ? " user
  if [ "$user" != "" ]; then
    # check if user already exists
    if id "$user" >/dev/null 2>&1; then
      read -p "is user name $user correcte [y|n] " validated
      if [ "$validated" = "y" ]; then
        break
      else
        user=""
      fi
    else
      echo "user $user doesn't exists, you must provide an existing user"
      user=""
    fi
  fi
done

_domain=""
while [ "$_domain" = "" ]
do
read -p "enter a domain name ? " _domain
if [ "$_domain" != "" ]; then
  read -p "is domain $_domain correcte [y|n] " validated
  if [ "$validated" = "y" ]; then
    break
  else
    _domain=""
  fi
fi
done

_id=$(echo "$_domain" | sed "s/\./_/g")

_remote=""
while [ "$_remote" = "" ]
do
read -p "enter teh remote git repos url to pull from ? " _remote
if [ "$_remote" != "" ]; then
  read -p "is $_remote correcte [y|n] " validated
  if [ "$validated" = "y" ]; then
    break
  else
    _remote=""
  fi
fi
done

# TODO check for /home/"$user"/www/"$_domain"
if [ ! -d /home/"$user"/www/"$_domain" ]; then
  echo "/home/$user/www/$_domain does not exists !"
  exit
fi

# TODO check for /home/"$user"/git-repositories/"$_domain.git"
if [ ! -d /home/"$user"/git-repositories/"$_domain.git" ]; then
  echo "/home/$user/git-repositories/$_domain.git does not exists !"
  exit
fi

apt-get install webhook

# git bare repos remote
git --git-dir=/home/"$user"/git-repositories/"$_domain.git" remote add origin "$_remote"

# hook deploy script
cp -f "$_assets"/webhook-deploy.sh /home/"$user"/webhook_deploy_"$_id".sh
sed -i -r "s/DOMAIN/$_domain/g" /home/"$user"/webhook_deploy_"$_domain".sh
chowm $user:$user /home/"$user"/webhook_deploy_"$_id".sh
chmod +x /home/"$user"/webhook_deploy_"$_id".sh

# remove git bare repos hook
mv /home/"$user"/git-repositories/"$_domain".git/hooks/post-receive /home/"$user"/git-repositories/"$_domain".git/hooks/post-receive.back

# webhook conf
touch /etc/webhooks.conf
echo "
- id: deploy_app_$_id
  execute-command: /home/$user/webhook-deploy-$_id.sh
  command-working-directory: /home/$user/
" >> /etc/webhooks.conf

# webhook service
cp -f "$_assets"/webhook.service /etc/systemd/system/webhook.service
systemctl enable webhook
systemctl start webhook
systemctl restart webhook

# systemctl reload webhook

ufw allow 9000

echo "http://$_domain:9000/hooks/deploy_app_$_id"