#!/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_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
#=================================================
ynh_script_progression --message="Loading settings..." --time --weight=1

export app=$YNH_APP_INSTANCE_NAME

export domain=$(ynh_app_setting_get --app=$app --key=domain)
export path_url=$(ynh_app_setting_get --app=$app --key=path)
export admin=$(ynh_app_setting_get --app=$app --key=admin)
export email=$(ynh_app_setting_get --app=$app --key=email)
export isp_name=$(ynh_app_setting_get --app=$app --key=isp_name)
export isp_site=$(ynh_app_setting_get --app=$app --key=isp_site)
export secret=$(ynh_app_setting_get --app=$app --key=secret)
export is_public=$(ynh_app_setting_get --app=$app --key=is_public)
export final_path=$(ynh_app_setting_get --app=$app --key=final_path)
export db_name=$(ynh_app_setting_get --app=$app --key=db_name)
export db_user=$db_name

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --time --weight=1

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

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --time --weight=1

ynh_restore_file --origin_path="$final_path"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --time --weight=1

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

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

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

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --time --weight=1

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies

#=================================================
# RESTORE THE PSQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the MySQL database..." --time --weight=1

ynh_psql_test_if_first_run

db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
ynh_psql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --time --weight=1

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

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

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

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --time --weight=1

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


#================================================
# CONFIGURE LOG DIR
#================================================
mkdir -p /var/log/$app
chown -R $app /var/log/$app
chgrp -R www-data /var/log/$app

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --time --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Restoration completed for $app" --time --last