#!/bin/bash
  
  # Retrieve arguments
  domain=$1
  path=$2

  user=$3

  password=$4

  # Check user parameter
  ls /home | grep $user
  if [[ ! $? -eq 0 ]]; then
      echo "Wrong user"

      exit 1
  fi

  if [[ $password == "" ]]; then
      echo "Wrong password"
      exit 1
  fi

  # Check domain/path availability
  sudo yunohost app checkurl $domain$path -a owncloud
  if [[ ! $? -eq 0 ]]; then
      exit 1
  fi

  # Install dependencies
  sudo apt-get install acl

  # Generate random password
  db_pwd=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{24\}\).*/\1/p')
  
  # Use 'owncloud' as database name and user
  db_user=owncloud
  
  # Initialize database and store mysql password for upgrade
  sudo yunohost app initdb $db_user -p $db_pwd
  sudo yunohost app setting owncloud mysqlpwd -v $db_pwd
  
  # Create owncloud user

  sudo useradd -d /var/www/owncloud owncloud

  
  # Copy files to the right place
  final_path=/var/www/owncloud

  data_path=/home/yunohost.app/owncloud/data

  sudo mkdir -p $final_path

  sudo mkdir -p $data_path

  sudo cp -a ../sources/* $final_path
  sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/owncloud.conf
  sudo cp ../conf/php-fpm.conf /etc/php5/fpm/pool.d/owncloud.conf

  sudo cp ../conf/php-fpm.ini /etc/php5/fpm/conf.d/20-owncloud.ini

  
  # Change variables in Owncloud configuration
  sudo sed -i "s@PATHTOCHANGE@$path@g" /etc/nginx/conf.d/$domain.d/owncloud.conf
  sudo sed -i "s@ALIASTOCHANGE@$final_path/@g" /etc/nginx/conf.d/$domain.d/owncloud.conf
  sudo sed -i "s@NAMETOCHANGE@owncloud@g" /etc/nginx/conf.d/$domain.d/owncloud.conf
  sudo sed -i "s@NAMETOCHANGE@owncloud@g" /etc/php5/fpm/pool.d/owncloud.conf

  # Set permissions to owncloud directories and /home directories + add Home external storage

  for i in $(ls /home)
  do
      if [[ ! $i == yunohost.* ]];
      then

          sudo setfacl -m g:owncloud:rwx /home/$i

          sudo mkdir $data_path/$i
          echo "{\"user\":{\"$i\":{\"/\$user/files/Home\":{\"class\":\"\\OC\\Files\\Storage\\Local\",\"options\":{\"datadir\":\"/home/$i\"}}}}}" | sudo tee $data_path/$i/mount.json

      fi
  done

  sudo chown -hR owncloud: $final_path
  sudo chown -hR owncloud: $data_path

  
  # Reload Nginx and regenerate SSOwat conf

  sudo service php5-fpm restart

  sudo service nginx reload

  sudo yunohost app setting owncloud skipped_uris -v "/"

  sudo yunohost app ssowatconf
  
  # Owncloud installation via curl
  echo "127.0.0.1 $domain #yunoowncloud" | sudo tee -a /etc/hosts

  sleep 1

  curl -kL -X POST https://$domain$path/index.php --data "install=true&adminlogin=$user&adminpass=$password&directory=/home/yunohost.app/owncloud/data&dbtype=mysql&dbuser=$db_user&dbpass=$db_pwd&dbname=$db_user&dbhost=localhost" > /dev/null 2>&1

  # Enable plugins

  sleep 5

  curl -kL -X POST https://$domain$path/index.php/settings/ajax/enableapp.php --data "appid=files_external" -u "$user:$password" > /dev/null 2>&1
  curl -kL -X POST https://$domain$path/index.php/settings/ajax/enableapp.php --data "appid=user_ldap" -u "$user:$password" > /dev/null 2>&1

  
  # Check if the Mysql database is initialized & running

  mysql -u $db_user -p$db_pwd $db_user -e "select * from oc_appconfig;" > /dev/null 2>&1
  result=$?
  loop_number=1
  while [ $result != 0 ] && [ $loop_number -lt 5 ];
  do

      sleep 5
      mysql -u $db_user -p$db_pwd $db_user -e "select * from oc_appconfig;" > /dev/null 2>&1
      let result=$?
      if [ $loop_number -eq 4 ];
      then
          print "Web installation failed"
          exit 1
      fi
      let loop_number++

  done

  # Configure LDAP plugin

  mysql -u $db_user -p$db_pwd $db_user < ../conf/ldap_config.sql

  
  # Unprotect URIs

  sudo yunohost app setting owncloud skipped_uris -v "/public.php,/core,/apps/files,/index.php/apps/files"

  sudo yunohost app setting owncloud unprotected_uris -v "/remote.php,/cron.php,/status.php"

  sudo yunohost app ssowatconf

  
  # Remove temporary entry in /etc/hosts
  sudo sed -i '/yunoowncloud/d' /etc/hosts