#!/bin/bash

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

if [ ! -e _common.sh ]; then
	# Get the _common.sh file if it's not in the current directory
	cp ../settings/scripts/_common.sh ./_common.sh
	chmod a+rx _common.sh
fi
source _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
#=================================================

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)
db_user=$db_name
db_pwd=$(ynh_app_setting_get "$app" psqlpwd)


#=================================================
# 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 "

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

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

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

backup_core_only=$(ynh_app_setting_get "$app" backup_core_only)

# If backup_core_only have any value, then restore only code
if [ -z "$backup_core_only" ]
then
	ynh_restore_file "$final_path/code"
else
	ynh_restore_file "$final_path"
fi

# Remove the option backup_core_only if it's in the settings.yml file
ynh_app_setting_delete "$app" backup_core_only

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

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

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================

ynh_install_app_dependencies build-essential curl ffmpeg \
	libjpeg-dev libmagic-dev libpq-dev postgresql python3-dev python3-venv \
	redis-server \
	`# add arm support` \
	zlib1g-dev libffi-dev libssl-dev

#=================================================
# RESTORE THE PostgreSQL DATABASE
#=================================================

ynh_psql_test_if_first_run
ynh_psql_setup_db "$db_user" "$db_name" "$db_pwd"
ynh_psql_execute_file_as_root ./db.sql "$db_name"

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

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

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

ynh_restore_file "/etc/systemd/system/$app-beat.service"
ynh_restore_file "/etc/systemd/system/$app-server.service"
ynh_restore_file "/etc/systemd/system/$app-worker.service"
ynh_restore_file "/etc/systemd/system/$app.target"

systemctl enable "$app-beat.service"
systemctl enable "$app-server.service"
systemctl enable "$app-worker.service"
systemctl restart "$app.target"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================

systemctl reload nginx