#!/bin/bash

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="/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"
ynh_app_setting_set $app is_public $is_public

# find a free port & open it
ynh_script_progression --message="Looking for a free port and opening it..."
port=$(ynh_find_port 5000)
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
# add user to group dialout to allow ttyUSB usage
usermod -a -G dialout $app
## grant sudo permissions to the user to manage his own systemd service
myynh_create_dir "/etc/sudoers.d"
cp "../conf/sudoers" "/etc/sudoers.d/$app"
## create a directory for the installation of Octoprint
myynh_create_dir "$final_path"
chown $app: "$final_path"
## create a directory for the datas of Octoprint
myynh_create_dir "$data_path"
chown -R $app: "$home_path"

# installation in a virtual environment
ynh_script_progression --message="Installing Octoprint in a virtual environment..."
exec_as $app -H -s /bin/bash -c " \
	echo 'create the virtual environment' \
		&& virtualenv -p $(which python3) "$final_path" \
	&& echo 'install Octoprint' \
		&& "$final_path"/bin/pip3 install $app \
	"

# set default configuration files
ynh_script_progression --message="Configuring the installation..."
chown -R $app: "$data_path"

# setup up autostart using systemd
ynh_script_progression --message="Adding the dedicated service..."
ynh_add_systemd_config "$app@$app"
## add service in admin panel
yunohost service add "$app@$app" --log "$data_path/octoprint.log" --description "Octoprint server"

# enable & restart systemd service
ynh_script_progression --message="Starting the Octoprint server..."
ynh_system_reload --service_name="$app@$app" --action=enable
ynh_check_starting --line_to_match="Octoprint initialized" --app_log="systemd" --timeout=1000 --service_name="$app@$app"

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

# unprotect app access if public
ynh_script_progression --message="Configuring SSOwat..."
[ $is_public -eq 1 ] && ynh_app_setting_set $app unprotected_uris "/"

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