#!/bin/bash

# Exit on command errors and treat unset variables as an error
set -eu

app="movim"

# Source YunoHost helpers
source /usr/share/yunohost/helpers

# Retrieve app settings
domain=$(ynh_app_setting_get "$app" domain)
path=$(ynh_app_setting_get "$app" path)
port=$(ynh_app_setting_get "$app" port)
ssoenabled=$(ynh_app_setting_get "$app" ssoenabled)
public_site=$(ynh_app_setting_get "$app" public_site)
timezone=`cat /etc/timezone`

# Check timezone
[[ -n "$timezone" ]] \
  || ynh_die "Could not detect timezone, please check /etc/timezone." \
  && echo "Detected timezone: $timezone"

# Copy Movim source files
final_path=/var/www/movim
sudo cp -a ../sources "$final_path"

# Create movim user if not exists and set permissions
ynh_system_user_exists movim \
  || sudo useradd -d /var/www/movim -s /bin/sh movim
sudo chown -R movim:www-data "$final_path"
sudo find "${final_path}/" -type f -print0 | sudo xargs -0 chmod 0640
sudo find "${final_path}/" -type d -print0 | sudo xargs -0 chmod 0750

# Update PHP dependencies
sudo su -c "cd $final_path && php composer.phar config --global discard-changes true" movim
sudo su -c "cd $final_path && php composer.phar install -n" movim

# Movim configuration
sudo sed -i "s@/ws/@$path/ws/@g" $final_path/app/assets/js/movim_websocket.js

# Upgrade db if necessary
sudo su -c "cd $final_path && php mud.php db --set" movim

# Reset SSO parameters
ynh_app_setting_delete "$app" protected_uris
ynh_app_setting_delete "$app" skipped_uris
sudo yunohost app clearaccess movim

# Replace old public_site variable (if exists) by ssoenabled
if [ ! -z "$public_site" ] && [ $public_site = "Yes" ];
then
        ynh_app_setting_delete "$app" public_site
        ynh_app_setting_set "$app" ssoenabled "No"
elif [ ! -z "$public_site" ] && [ $public_site = "No" ];
then
        ynh_app_setting_delete "$app" public_site
        ynh_app_setting_set "$app" ssoenabled "Yes"
fi

# SSOwat Configuration
if [ $ssoenabled = "No" ];
then
	ynh_app_setting_set "$app" skipped_uris "/"
        sudo su -c "cd $final_path && php mud.php config --xmppwhitelist=$domain" movim
else
	ynh_app_setting_set "$app" unprotected_uris "/"
        # Next line is to avoid SSO to auto-connect just after disconnect
        sudo sed -i "s@redirect('login')@redirect('')@g" $final_path/app/controllers/DisconnectController.php
fi

# Update init scripts
sudo sed -i "s@YHURL@$domain$path@g" ../conf/movim.{service,init}
sudo sed -i "s@YHDIR@$final_path@g" ../conf/movim.{service,init}
sudo sed -i "s@YHPORT@$port@g" ../conf/movim.{service,init}
initcheck=`pgrep -ox systemd`
if [ "$initcheck" = "1" ];
then
	sudo rm -f /lib/systemd/system/movim.service
	sudo cp ../conf/movim.service /etc/systemd/system/
	sudo systemctl daemon-reload
else
	sudo /etc/init.d/movim stop
	sudo cp ../conf/movim.init /etc/init.d/movim
	sudo chmod 755 /etc/init.d/movim
	sudo update-rc.d movim defaults
	sudo /etc/init.d/movim start
fi

# Update php-fpm configuration
sed -i "s@YHTZ@$timezone@g" ../conf/php-fpm.conf
sudo cp ../conf/php-fpm.conf /etc/php5/fpm/pool.d/movim.conf

# Nginx configuration
sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf
sed -i "s@YHPORT@$port@g" ../conf/nginx.conf
sed -i "s@//ws/@/ws/@g" ../conf/nginx.conf # Avoid duplicate /
sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/movim.conf

# Reload
sudo service movim restart
sudo service php5-fpm restart
sudo service nginx reload