#!/bin/bash

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

#Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
ynh_print_info --message="Managing script failure..."

ynh_clean_setup () {
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info --message="Loading settings..."

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)

focus_user=$(ynh_app_setting_get --app=$app --key=focus_user)
focus_password=$(ynh_app_setting_get --app=$app --key=focus_password)

port=$(ynh_app_setting_get --app=$app --key=port)
port_videobridge=$(ynh_app_setting_get --app=$app --key=port_videobridge)
port_component=$(ynh_app_setting_get --app=$app --key=port_component)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_print_info --message="Validating restoration parameters..."

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

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_print_info --message="Restoring the nginx configuration..."

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_print_info --message="Restoring the app main directory..."

ynh_restore_file --origin_path="$final_path"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_print_info --message="Recreating the dedicated system user..."

# Create the dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir=$final_path

#=================================================
# RESTORE USER RIGHTS
#=================================================
ynh_print_info --message="Restoring user rights..."

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

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_print_info --message="Reinstalling dependencies..."

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies

ynh_install_nodejs --nodejs_version=10

#=================================================
# CONFIGURE FIREWALL
#=================================================
ynh_print_info --message="Configuring firewall..."

# Open this port
ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port
ynh_exec_warn_less yunohost firewall allow --no-upnp UDP $port_videobridge

#=================================================
# CONFIGURE METRONOME
#=================================================
ynh_print_info --message="Configuring metronome..."

# Create additional domains
if [ ${PACKAGE_CHECK_EXEC:-0} -eq 1 ]; then
	yunohost domain add auth.$domain
	yunohost domain add conference.$domain
	yunohost domain add jitsi-videobridge.$domain
	yunohost domain add focus.$domain
fi

# Create focus user
yunohost user create $focus_user -f $focus_user -l $focus_user -m ${focus_user}@auth.$domain -p $focus_password -q 0

# Restore Metronome domain conf template
mkdir -p /usr/share/yunohost/templates/jitsi/
ynh_restore_file --origin_path="/usr/share/yunohost/templates/jitsi/$domain.cfg.lua"
ynh_restore_file --origin_path="/usr/share/yunohost/templates/jitsi/auth.$domain.cfg.lua"
ynh_restore_file --origin_path="/usr/share/yunohost/templates/jitsi/conference.$domain.cfg.lua"
ynh_restore_file --origin_path="/usr/share/yunohost/templates/jitsi/jitsi-videobridge.$domain.cfg.lua"
ynh_restore_file --origin_path="/usr/share/yunohost/templates/jitsi/focus.$domain.cfg.lua"

# Restore Metronome Hook
ynh_restore_file --origin_path="/usr/share/yunohost/hooks/conf_regen/50-metronome_$app"
yunohost tools regen-conf metronome

# Restore Metronome modules
ynh_restore_file --origin_path="/usr/lib/metronome/modules/mod_carbons.lua"
ynh_restore_file --origin_path="/usr/lib/metronome/modules/mod_http_altconnect.lua"
ynh_restore_file --origin_path="/usr/lib/metronome/modules/mod_smacks.lua"

ynh_systemd_action --service_name=metronome --action=restart

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_print_info --message="Restoring the systemd configuration..."

ynh_restore_file --origin_path="/etc/systemd/system/$app-videobridge.service"
systemctl enable $app-videobridge.service
ynh_restore_file --origin_path="/etc/systemd/system/$app-jicofo.service"
systemctl enable $app-jicofo.service

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_print_info --message="Integrating service in YunoHost..."

yunohost service add $app-videobridge --log "/var/log/$app/$app-videobridge.log"
yunohost service add $app-jicofo --log "/var/log/$app/$app-jicofo.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_print_info --message="Starting a systemd service..."

ynh_systemd_action --service_name=$app-videobridge --action="start" --log_path="/var/log/$app/$app-videobridge.log"
ynh_systemd_action --service_name=$app-jicofo --action="start" --log_path="/var/log/$app/$app-jicofo.log"

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_print_info --message="Reloading nginx web server and php-fpm..."

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# END OF SCRIPT
#=================================================

ynh_print_info --message="Restoration completed for $app"