#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers

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

ynh_clean_setup () {
	#### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# 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 $app psql_db)
db_pwd=$(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"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
var_root=/home/yunohost.app/$app
ynh_restore_file "$final_path"
ynh_restore_file "$var_root"

#=================================================
# RESTORE THE psql DATABASE
#=================================================
ynh_psql_test_if_first_run
ynh_psql_create_user $app $db_pwd
ynh_psql_execute_as_root \
"CREATE DATABASE $db_name ENCODING 'UTF8' LC_COLLATE='C' LC_CTYPE='C' template=template0 OWNER $app;"
ynh_psql_execute_file_as_root ./db.sql "$db_name"

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

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

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

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

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

# Define and install dependencies
ynh_install_app_dependencies postgresql ruby-dev zlib1g-dev libpq-dev

ynh_print_info "Installing Rails & Bunlder..."

gem install rails:5.2.2 bundler:2.0.1

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================

systemctl reload nginx