#!/bin/bash

# Exit on command errors and treat unset variables as an error
set -eu
#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================
# Set app specific variables
app=$YNH_APP_INSTANCE_NAME

# Check destination directory
DESTDIR="/var/www/$app"
[[ ! -d $DESTDIR ]] && ynh_die \
"The destination directory '$DESTDIR' does not exist.\
 The app is not correctly installed, you should remove it first."

# Retrieve arguments
domain=$(ynh_app_setting_get "$app" domain)
path_url=$(ynh_normalize_url_path "$(ynh_app_setting_get "$app" path_url)")
final_path=$(ynh_app_setting_get "$app" final_path)
is_public=$(ynh_app_setting_get "$app" is_public)
port=$(ynh_app_setting_get "$app" port)

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Use prior backup and restore on error only if backup feature
# exists on installed instance
if [ -f "/etc/yunohost/apps/$app/scripts/backup" ] ; then
  ynh_backup_before_upgrade # Backup the current version of the app
  ynh_clean_setup () {
      ynh_backup_after_failed_upgrade
  }
  ynh_abort_if_errors	# Stop script if an error is detected
fi

#=================================================
# INSTALL NODEJS
#=================================================
ynh_install_nodejs $NODEJS_VERSION

#=================================================
# CREATE DEDICATED USER
#=================================================

ynh_system_user_create $app

#=================================================
# SPECIFIC SETUP
#=================================================
# HANDLE LOG FILES AND LOGROTATE
#=================================================

# Créer le dossier de log
sudo mkdir -p /var/log/$app
sudo touch /var/log/$app/$app.log
install_log=/var/log/$app/installation.log
sudo touch $install_log
sudo chown $app -R /var/log/$app
sudo chown admin -R $install_log

# Configuration de logrotate
ynh_use_logrotate

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

final_path=/var/www/$app
ynh_app_setting_set $app final_path $final_path
ynh_setup_source $final_path

#=================================================
# Files owned by root, www-data can just read
#=================================================

sudo chown $app: $final_path -R
sudo chmod 755 $final_path -R

#=================================================
# Modify Nginx configuration file and copy it to Nginx conf directory
#=================================================

ynh_nginx_config

#=================================================
# ADD SYSTEMD SERVICE
#=================================================

ynh_replace_string "__NODE__" "$nodejs_path" "../conf/systemd.service"
ynh_systemd_config


#=================================================
# INSTALL CRYPTPAD
#=================================================

script_dir="$PWD"
pushd "$final_path"
sudo chown -R $app: $final_path
sudo_path npm install
sudo_path npm install -g bower
sudo su -l $app -s /bin/bash -c "cd $final_path && env PATH=$PATH bower install"
popd

#=================================================
# CONFIGURE SERVER.JS	
#=================================================

sudo mv ../conf/config.js $final_path/config.js
ynh_replace_string "__URL__" "$path_url" "$final_path/config.js"
ynh_replace_string "__PORT__" "$port" "$final_path/config.js"

#=================================================
# INSTALL MODULES FOR CRYPTPAD
#=================================================

#npm install cryptpad-level-store;

#=================================================
# ENABLE SERVICE IN ADMIN PANEL
#=================================================

# Ajoute le service au monitoring de Yunohost.
sudo yunohost service add $app --log "/var/log/$app/$app.log"

#=================================================
# START CRYPTPAD IN BACKGROUND
#=================================================

sudo systemctl start $app

#=================================================
# SETUP SSOWAT
#=================================================

if [ $is_public -eq 1 ];
then
  ynh_app_setting_set "$app" unprotected_uris "/"
fi

#=================================================
# RELOAD NGINX
#=================================================
sudo systemctl restart php5-fpm
sudo systemctl reload nginx