#!/bin/bash

# Retrieve arguments
domain=$1
path=$2
user=$3
is_public=$4
final_path=/var/www/my_webapp

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

# Check user
ls /home | grep $user
if [[ ! $? -eq 0 ]]; then
echo "Wrong user"
    exit 1
fi
sudo yunohost app setting my_webapp ftp_user -v $user

# Check port availability
sudo yunohost app checkport 21
if [[ ! $? -eq 0 ]]; then
  exit 1
fi

# Open port in firewall
sudo yunohost firewall allow TCP 21 > /dev/null 2>&1

# Install debian dependencies
sudo apt-get install pure-ftpd-ldap -y -qq

# Change user ID in configurations
sed -i "s@FTPUSER@$user@g" ../conf/ldap.conf
sed -i "s@FTPDIR@$final_path@g" ../conf/ldap.conf
sed -i "s@FTPUSER@$user@g" ../sources/index.html
sed -i "s@HOST@$domain@g" ../sources/index.html

# Copy files to the right place
sudo mkdir -p $final_path
sudo cp ../sources/index.html $final_path/

# Set permissions
sudo chmod 775 -R $final_path
sudo chown -hR $user:www-data $final_path

# Modify Nginx configuration file and copy it to Nginx conf directory
sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf
sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/my_webapp.conf

# Make app public if necessary
sudo yunohost app setting my_webapp is_public -v "$is_public"
if [ $is_public = "Yes" ];
then
    sudo yunohost app setting my_webapp skipped_uris -v "/"
fi

# Adapt PureFTPd configuration
sudo cp ../conf/ldap.conf /etc/pure-ftpd/db/
sudo sh -c 'echo "yes" > /etc/pure-ftpd/conf/NoAnonymous'
sudo sh -c 'echo "yes" > /etc/pure-ftpd/conf/ChrootEveryone'
sudo sh -c 'echo "no" > /etc/pure-ftpd/conf/UnixAuthentication'
sudo sh -c 'echo "50000 50100" > /etc/pure-ftpd/conf/PassivePortRange'

# Register service to YunoHost monitoring
sudo yunohost app service pure-ftpd-ldap --log "/var/log/pure-ftpd/transfer.log"

# Reload Nginx, restart PureFTPd and regenerate SSOwat conf
sudo service nginx reload
sudo service pure-ftpd-ldap restart
sudo yunohost app ssowatconf