#!/bin/bash
# Retrieve arguments
domain=$1
path=$2
server_name=$3
admin=$4
admin_password=$5
is_public=$6
architecture=$7
final_path=/var/www/seafile
seafile_data=/home/yunohost.app/seafile-data
seafile_version=4.0.6

# Retrieve admin email
admin_email=$(sudo yunohost user info $admin | grep mail: | sed "s/mail: //g")

port=''
findPort () {
    port=$1

    sudo yunohost app checkport $port
    while [[ ! $? -eq 0 ]]
        do
            port=$(($port + 1))
            sudo yunohost app checkport $port
        done

   return $port
}

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

# Check dependencies
sudo apt-get install -qq python2.7 python-setuptools python-simplejson python-imaging python-mysqldb python-flup expect

# Copy files to the right place
sudo mkdir -p $final_path
sudo mkdir -p $final_path/installed
sudo mkdir -p $final_path/logs
sudo mkdir -p $final_path/seafile-data
sudo mkdir -p $final_path/seafile-server-$seafile_version
sudo tar xzf ../sources/'seafile-server_'$seafile_version'_'$architecture'.tar'
sudo mv seafile-server-$seafile_version/* $final_path/seafile-server-$seafile_version
sudo mv ../sources/'seafile-server_'$seafile_version'_'$architecture'.tar' $final_path/installed

# Find available ports
findPort 10001
ccnet_port=$port
findPort 12001
seafile_port=$port
findPort 8000
seahub_port=$port
findPort 8082
fileserver_port=$port

# store config in yunohost
sudo yunohost app setting seafile ccnet_port -v $ccnet_port
sudo yunohost app setting seafile seafile_port -v $seafile_port
sudo yunohost app setting seafile seahub_port -v $seahub_port
sudo yunohost app setting seafile fileserver_port -v $fileserver_port
sudo yunohost app setting seafile is_public -v $is_public
sudo yunohost app setting seafile architecture -v $architecture
sudo yunohost app setting seafile installed_version -v $seafile_version

# init databases
db_user=seafile
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')
sudo yunohost app initdb -d ccnetdb -p $db_pwd $db_user 
sudo yunohost app initdb -d seafiledb -p $db_pwd $db_user 
sudo yunohost app initdb -d seahubdb -p $db_pwd $db_user
sudo yunohost app setting seafile db_pwd -v $db_pwd

# Run install script
sudo chmod +x ../conf/install.exp
sudo chmod +x $final_path/seafile-server-$seafile_version/setup-seafile-mysql.sh
sudo ../conf/install.exp $server_name $domain $ccnet_port $seafile_data $seafile_port $fileserver_port $db_pwd

# Update seafile config
sudo sed -i "s@http://@https://@g" $final_path/ccnet/ccnet.conf
sudo sed -i "s@:8000@$path@g" $final_path/ccnet/ccnet.conf
echo 'FILE_SERVER_ROOT = "https://'$domain'/seafhttp"' | sudo tee -a $final_path/seahub_settings.py
echo 'SITE_ROOT = "'$path'/"' | sudo tee -a $final_path/seahub_settings.py
echo 'SERVE_STATIC = False' | sudo tee -a $final_path/seahub_settings.py
echo 'MEDIA_URL = "'$path'/media/"' | sudo tee -a $final_path/seahub_settings.py

# Email configuration
echo 'EMAIL_USE_TLS = False' | sudo tee -a $final_path/seahub_settings.py
echo 'EMAIL_HOST = "localhost"' | sudo tee -a $final_path/seahub_settings.py
echo 'EMAIL_HOST_USER = "seafile@'$domain'"' | sudo tee -a $final_path/seahub_settings.py
echo 'EMAIL_HOST_PASSWORD = ""' | sudo tee -a $final_path/seahub_settings.py
echo 'EMAIL_PORT = "25"' | sudo tee -a $final_path/seahub_settings.py
echo 'DEFAULT_FROM_EMAIL = "seafile@'$domain'"' | sudo tee -a $final_path/seahub_settings.py
echo 'SERVER_EMAIL = "seafile@'$domain'"' | sudo tee -a $final_path/seahub_settings.py

# LDAP configuration
echo '[LDAP]' | sudo tee -a $final_path/ccnet/ccnet.conf
echo 'HOST = ldap://localhost:389' | sudo tee -a $final_path/ccnet/ccnet.conf
echo 'BASE = ou=users,dc=yunohost,dc=org' | sudo tee -a $final_path/ccnet/ccnet.conf
echo 'LOGIN_ATTR = mail' | sudo tee -a $final_path/ccnet/ccnet.conf

# Add Seafile Server to startup
sudo cp ../conf/seafile-server /etc/init.d
sudo sed -i "s@SEAHUB_PORT@$seahub_port@g" /etc/init.d/seafile-server
sudo sed -i "s@SEAFILE_DIR@$final_path@g" /etc/init.d/seafile-server
sudo chmod +x /etc/init.d/seafile-server
sudo update-rc.d seafile-server defaults

# 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
sed -i "s@SEAHUB_PORT@$seahub_port@g" ../conf/nginx.conf
sed -i "s@SEAFILE_FILESERVER_PORT@$fileserver_port@g" ../conf/nginx.conf
sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/seafile.conf

# Copy first launch script
sudo cp ../conf/first_launch.exp $final_path
sudo chmod +x $final_path/first_launch.exp

# Set permissions to seafile directory
sudo chown -R www-data:www-data $final_path
sudo chown -R www-data:www-data $seafile_data

# Open port
sudo yunohost firewall allow $ccnet_port
sudo yunohost firewall allow $seafile_port

# Start seafile, seahub and populate admin account
sudo su - www-data -c "/var/www/seafile/seafile-server-4.0.6/seafile.sh start"
sudo su - www-data -c "$final_path/first_launch.exp $admin_email $admin_password"

# add sso config to unprotect domain.tld/seafhttp in /etc/ssowat/conf.json.persistent
sudo cp ../conf/add_sso_conf.py $final_path
sudo cp ../conf/remove_sso_conf.py $final_path
sudo python $final_path/add_sso_conf.py

# unprotect media
sudo yunohost app setting seafile unprotected_uris -v "/media"

if [ "$is_public" = "No" ]
then
	sudo yunohost app setting seafile unprotected_uris -d
else
	sudo yunohost app setting seafile unprotected_uris -v "/"
fi

# register yunohost service
sudo yunohost service add seafile-server

# Reload Nginx and regenerate SSOwat conf
sudo service nginx reload
sudo yunohost app ssowatconf