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;; SPDX-License-Identifier: EUPL-1.2
;; SPDX-FileCopyrightText: 2025 Uko Kokņevičs <perkontevs@gmail.com>
(defpackage :ukkoclot/config
(:use :c2cl :ukkoclot/hash-tables)
(:documentation
"Stuff for loading the configuration of the bot")
(:export
:config-load :config-merge
:config-p
:config-bot-name :config-bot-token :config-db-path :config-dev-group :config-owner))
(in-package :ukkoclot/config)
(defmacro defconfig (&rest slots-and-types)
"Macro to make the config struct creation easier."
`(defstruct config
,@(loop for (name type) on slots-and-types by #'cddr
collect `(,(intern (symbol-name name)) (error "No value given for ~A" ,name) :type ,type :read-only t))))
(defconfig
:bot-name string
:bot-token string
:db-path string
:dev-group integer
:owner integer)
(defun config-load (filename)
"Load the config from the given `filename'. All entries must be specified."
(apply #'make-config (with-open-file (f filename) (read f))))
(defun config-merge (config filename)
"Merge the current config with new entries from `filename'."
(loop for (name value) on (with-open-file (f filename) (read f)) by #'cddr do
(setf (slot-value config (intern (symbol-name name) :ukkoclot/config)) value)))
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