#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers
# Load common variables for all scripts.
source ../settings/scripts/_variables

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

ynh_clean_setup () {
# Clean installation remaining that are not handle by the remove script.
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)
export=$(ynh_app_setting_get $app export)
mypads=$(ynh_app_setting_get $app mypads)
admin=$(ynh_app_setting_get $app admin)
ynh_print_OFF; password=$(ynh_app_setting_get $app password); ynh_print_ON

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================

ynh_webpath_available $domain $path_url \
	|| ynh_die "Path not available: ${domain}${path_url}"
test ! -d $final_path \
	|| ynh_die "There is already a directory: $final_path "

#=================================================
# ACTIVATE MAINTENANCE MODE
#=================================================

ynh_maintenance_mode_ON

#=================================================
# STANDARD RESTORE STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================

ynh_restore_file "$final_path"

#=================================================
# RESTORE THE MYSQL DATABASE
#=================================================

db_pwd=$(ynh_app_setting_get $app mysqlpwd)
ynh_mysql_setup_db $db_name $db_name $db_pwd
ynh_mysql_connect_as $db_name $db_pwd $db_name < ./db.sql

#=================================================
# RECREATE THE DEDICATED USER
#=================================================

# Create the dedicated user (if not existing)
ynh_system_user_create $app

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

mkdir -p /var/log/$app
touch /var/log/$app/etherpad.log
install_log=/var/log/$app/installation.log
touch $install_log
chown $app -R /var/log/$app
chown admin -R $install_log

# Restore logrotate configuration
ynh_restore_file "/etc/logrotate.d/$app"

#=================================================
# INSTALL DEPENDENCIES
#=================================================

if [ "$export" = "abiword" ]; then
	ynh_install_app_dependencies $abiword_app_depencencies
elif [ "$export" = "libreoffice" ]; then
	ynh_install_app_dependencies $libreoffice_app_dependencies
fi

#=================================================
# INSTALL NODEJS
#=================================================

ynh_install_nodejs $nodejs_version

#=================================================
# INSTALL ETHERPAD DEPENDENCIES
#=================================================

ynh_use_nodejs
npm cache clean
npm install forever -g >> $install_log 2>&1

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Restore permissions on app files
chown -R $app: $final_path

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add $app --log "/var/log/$app/etherpad.log"

#=================================================
# RESTORE SYSTEMD
#=================================================

ynh_restore_file "/etc/systemd/system/$app.service"
systemctl enable $app.service

#=================================================
# RESTORE FAIL2BAN CONFIGURATION
#=================================================

ynh_restore_file "/etc/fail2ban/jail.d/$app.conf"
ynh_restore_file "/etc/fail2ban/filter.d/$app.conf"
ynh_systemd_action --action=restart --service_name=fail2ban

#=================================================
# RELOAD NGINX
#=================================================

ynh_systemd_action --action=reload --service_name=nginx

#=================================================
# CHECK ETHERPAD STARTING
#=================================================

# Wait for etherpad to be fully started
ynh_systemd_action --action=restart --line_match="You can access your Etherpad instance at" --log_path="/var/log/$app/etherpad.log" --timeout="120"

#=================================================
# DEACTIVE MAINTENANCE MODE
#=================================================

ynh_maintenance_mode_OFF

#=================================================
# SEND A README FOR THE ADMIN
#=================================================

if [ $mypads -eq 1 ]
then
	Informations="You can access 2 different admin panels, for etherpad by accessing https://$domain${path_url%/}/admin and for mypads by accessing https://$domain${path_url%/}/mypads/?/admin."
else
	Informations="You can access to the admin panel, by accessing https://$domain${path_url%/}/admin."
fi

ynh_print_OFF
message="$Informations
Or, you can find a config file for etherpad at this path /var/www/etherpad_mypads/settings.json.

Your credentials for the admin panel are:
- login		: $admin
- password	: $password

If you are facing an issue or want to improve this app, please open a new issue in this project: https://github.com/YunoHost-Apps/etherpad_mypads_ynh"

ynh_send_readme_to_admin "$message" "$admin"
ynh_print_ON