#!/bin/bash

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

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

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

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info "Loading 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 $app final_path)
firmware_nonfree=$(ynh_app_setting_get $app firmware_nonfree)
service_name=$(ynh_app_setting_get $app service_name)

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

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 "

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

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

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

ynh_restore_file "$final_path"

if [[ $firmware_nonfree -eq 1 ]]; then
  # check if non-free is set on sources.list
  if ! grep -q non-free /etc/apt/sources.list ; then
    sed '/debian/{s/main/& non-free/}' -i /etc/apt/sources.list
  fi

  packages=$nonfree_packages
else
  packages=$free_packages

  ynh_restore_file "/lib/firmware/htc_7010.fw"
  ynh_restore_file "/lib/firmware/htc_9271.fw"
fi

ynh_restore_file "/etc/sudoers.d/${app}_ynh"

ynh_restore_file "/usr/local/bin/iw_multissid"
ynh_restore_file "/usr/local/bin/iw_devices"
ynh_restore_file "/usr/local/bin/iw_ssids"
ynh_restore_file "/usr/local/bin/ipv6_expanded"
ynh_restore_file "/usr/local/bin/ipv6_compressed"

for FILE in $(ls /etc/hostapd/hostapd.conf{.tpl?,} 2>/dev/null)
do
    ynh_restore_file "$FILE"
done
ynh_restore_file "/etc/dnsmasq.dhcpd/dhcpdv6.conf.tpl"
ynh_restore_file "/etc/dnsmasq.dhcpd/dhcpdv4.conf.tpl"

ynh_restore_file  "/usr/local/bin/$service_name"

ynh_restore_file "/etc/init.d/hostapd"

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

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

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

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

#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================

ynh_restore_file "/etc/php/7.0/fpm/pool.d/$app.conf"

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

# Define and install dependencies
ynh_install_app_dependencies "$pkg_dependencies" "$packages"

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

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

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

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

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

systemctl restart php7.0-fpm
systemctl reload nginx

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

ynh_print_info "Restoration completed for $app"