#!/bin/bash

# Retrieve arguments
domain=$1
path=$2
user=$3

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

# 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
sudo cp ../conf/mount.json $data_path

# 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
    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$path/index.php --data "install=true&adminlogin=admin&adminpass=$db_pwd&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 "admin:$db_pwd" > /dev/null 2>&1
curl -kL -X POST https://$domain$path/index.php/settings/ajax/enableapp.php --data "appid=user_ldap" -u "admin:$db_pwd" > /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

# Make an LDAP user as admin
mysql -u $db_user -p$db_pwd $db_user -e "INSERT INTO `oc_group_user` VALUES ('admin','$user');"

# 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