#!/bin/bash

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

# manage script failure
ynh_clean_setup () {
  ynh_clean_check_starting
}
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="/opt/yunohost/$app"
home_path="/home/$app"
data_path="/home/$app/.$app"

# check domain/path availability
ynh_script_progression --message="Validating installation parameters..."
path_url=$(ynh_normalize_url_path "/")
ynh_webpath_available "$domain" "$path_url" || ynh_die "$domain/$path_url is not available, please use an other domain."
ynh_webpath_register $app "$domain" "$path_url"

# add required packages
ynh_script_progression --message="Installing dependencies..."
ynh_install_app_dependencies "$PKG_DEPENDENCIES"

# save app settings
ynh_script_progression --message="Storing installation settings..."
ynh_app_setting_set $app domain "$domain"

# find a free port & open it
ynh_script_progression --message="Looking for a free port and opening it..."
port=$(ynh_find_port 8123)
ynh_app_setting_set $app port $port
ynh_exec_fully_quiet yunohost firewall allow TCP $port

# create a dedicated system user
ynh_script_progression --message="Creating dedicated user, rights and folders..."
ynh_system_user_create $app
## grant sudo permissions to the user to manage his own systemd service
myynh_create_dir "/etc/sudoers.d"
cp "../conf/sudoers" "/etc/sudoers.d/$app"
## 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 -R $app: "$home_path"

# installation in a virtual environment
ynh_script_progression --message="Installing Home Assistant 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' \
		&& pip install --upgrade wheel \
	&& echo 'install Home Assistant' \
		&& pip install --upgrade $app==$VERSION \
	"

# set default configuration files
ynh_script_progression --message="Configuring the installation..."
ynh_replace_string "__PORT__" "$port" "../conf/homeassistant_conf_files/configuration.yaml"
chmod -R +x "../conf/homeassistant_conf_files/bin/"
## move all homeassistant_conf_files
cp -r "../conf/homeassistant_conf_files/." "$data_path/"
chown -R $app: "$data_path"

# setup up systemd service
ynh_script_progression --message="Adding the dedicated service..."
ynh_add_systemd_config --service="$app@$app"
## add service in admin panel
yunohost service add "$app@$app" --log "$data_path/home-assistant.log" --description "Home Assistant server"

# start systemd service
ynh_script_progression --message="Starting the Home Assistant server..."
ynh_systemd_action --service_name="$app@$app" --action=start --line_match="Home Assistant initialized" --log_path="systemd" --timeout=1000

# create a dedicated nginx config
ynh_script_progression --message="Configuring nginx web server..."
ynh_add_nginx_config
## reload nginx
ynh_systemd_action --service_name=nginx --action=reload

# unprotect app access if public (needed for Android app to work)
ynh_script_progression --message="Configuring permissions..."
[ $is_public -eq 1 ] && ynh_permission_update --permission "main" --add "visitors"

ynh_script_progression --message="Installation of $app completed" --last