#!/bin/bash

set -eu
source _common.sh
source /usr/share/yunohost/helpers

# manage script failure
ynh_abort_if_errors

# retrieve arguments
app=$YNH_APP_INSTANCE_NAME
domain=$YNH_APP_ARG_DOMAIN
is_public=$YNH_APP_ARG_IS_PUBLIC
# definie useful vars
final_path="/srv/$app"
data_path="/home/$app/.$app"

# check domain/path availability
path_url=$(ynh_normalize_url_path "/")
ynh_webpath_available $domain $path_url
ynh_webpath_register $app $domain $path_url

# add required packages
ynh_install_app_dependencies "$PKG_DEPENDENCIES"

# save app settings
ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app is_public $is_public

# find a free port & open it
port=$(ynh_find_port 8123)
ynh_app_setting_set $app port $port
yunohost firewall allow TCP $port > /dev/null 2>&1

# create a dedicated system user
useradd -rm $app -G dialout,gpio

# create a directory for the installation of Home Assistant
myynh_create_dir $final_path
chown $app: $final_path

# create a directory for the datas of Home Assistant
myynh_create_dir $data_path
chown $app: $data_path

# installation in a virtual environment
exec_as "$app" -H -s /bin/bash -c " \
	echo 'create the virtual environment' \
		&& python3 -m venv $final_path \
	&& echo 'activate the virtual environment' \
		&& source $final_path/bin/activate \
	&& echo 'install a required python package' \
		&& python3 -m pip install --upgrade wheel \
	&& echo 'install Home Assistant' \
		&& pip3 install --upgrade $app \
	"

# set default configuration files
ynh_replace_string "__PORT__" "$port" "../conf/homeassistant_conf_files/configuration.yaml"
ynh_replace_string "__DOMAIN__" "$domain" "../conf/homeassistant_conf_files/configuration.yaml"

## move all homeassistant_conf_files
cp -r "../conf/homeassistant_conf_files/." "$data_path/"
chown -R $app: "$data_path"

# setup up autostart using systemd
ynh_replace_string "__PORT__" "$port" "../conf/$app.service"
cp "../conf/$app.service" "/etc/systemd/system/$app@$app.service"

# add service in admin panel
yunohost service add "$app@$app" --log "$data_path/home-assistant.log"

# enable & restart systemd service
systemctl --system daemon-reload
systemctl enable "$app@$app.service"
systemctl restart "$app@$app.service"

# create a dedicated nginx config
ynh_add_nginx_config

# reload nginx
systemctl reload nginx

# unprotect app access if public (needed for Android app to work)
if [ $is_public -eq 1 ]; then
	ynh_app_setting_set "$app" unprotected_uris "/"
fi

# alert about administrator creator
ynh_print_warn "Your installation is not yet secure : please, IMMEDIATELY go to $domain in order to create the admin user of Home Assistant."