#!/bin/bash
# core/user - User Support

set -e

lib_load 'core/host'

######
# Library Configuration

core_user_config_init() {
	lib_setting_vars -ro user_confdir user_datadir user_logdir user_tempdir
	lib_setting_vars -ro user_id user_name user_email

	user_name=$(id -un)
	user_email=$user_name@$domain
}

# $user_confdir - Path to user configuration directory
# Default: ``$HOME/.$package_name``
user_confdir="$HOME/.$package_name"

# $user_datadir - Path to user data directory
# Default: ``$user_confdir/data``
user_datadir="$user_confdir/data"

# $user_logdir - Path to user log directory
# Default: ``$user_confdir/logs``
user_logdir="$user_confdir/logs"

# $user_tempdir - Path to user temporary directory
# Default: ``$tmpdir/$package_name-$USER``
user_tempdir="$tmpdir/$package_name-$USER"
mkdir -p "$user_tempdir"

# $user_id - Numeric user id of the current user.
user_id=$(id -u)


######
# Superuser Support

# is_superuser() - Returns success if the current user is the superuser.
is_superuser() { [[ "$user_id" -eq 0 ]]; }

# require_superuser() - Produces an ``error`` if the current user is
# not the superuser.
require_superuser() {
	is_superuser || error "insufficient permission: you must run this tool as root"
}