;;; +setup.el -- my `setup' commands -*- lexical-binding: t -*-

;; Author: Case Duckworth <acdw@acdw.net>

;; This file is NOT part of GNU Emacs.

;;; License:
;; Everyone is permitted to do whatever with this software, without
;; limitation.  This software comes without any warranty whatsoever,
;; but with two pieces of advice:
;; - Don't hurt yourself.
;; - Make good choices.

;;; Commentary:

;; `setup', by Philip Kaludercic, is a wonderful package that works
;; sort of like `use-package', but to my mind it's cleaner and easier
;; to extend.  These are my additions to the local macros provided by
;; the package.

;;; Code:

(require 'el-patch)
(require 'setup)
(require 'straight)

(defun +setup-warn (message &rest args)
  "Warn the user that something bad happened in `setup'."
  (display-warning 'setup (format message args)))

(setup-define :face
    (lambda (face spec)
      `(custom-set-faces '(,face ,spec 'now "Customized by `setup'.")))
  :documentation "Customize FACE with SPEC using `custom-set-faces'."
  :repeatable t)

(setup-define :load-after
    (lambda (&rest features)
      (let ((body `(require ',(setup-get 'feature))))
    (dolist (feature (nreverse features))
      (setq body `(with-eval-after-load ',feature ,body)))
    body))
  :documentation "Load the current feature after FEATURES.")

(setup-define :also-straight
    (lambda (recipe) `(setup (:straight ,recipe)))
  :documentation
  "Install RECIPE with `straight-use-package', after loading FEATURE."
  :repeatable t
  :after-loaded t)

(defun +setup-straight-shorthand (sexp)
  "Shorthand for `:straight' and other local macros."
  (let ((recipe (cadr sexp)))
    (or (car-safe recipe) recipe)))

(setup-define :straight
    (lambda (recipe)
      `(unless (ignore-errors (straight-use-package ',recipe) t)
         (+setup-warn ":straight error: %S" ',recipe)
         ,(setup-quit)))
  :documentation
  "Install RECIPE with `straight-use-package'.
This macro can be used as HEAD, and will replace itself with the
first RECIPE's package."
  :repeatable t
  :shorthand #'+setup-straight-shorthand)

(setup-define :straight-after
  (lambda (recipe feature)
    `(with-eval-after-load ,feature
       (setup (:straight ,recipe))))
  :indent 1
  :documentation
  "Install RECIPE with `straight-use-package', after FEATURE.
This macro can be used as HEAD, and will replace itself with the
first RECIPE's package."
  :shorthand #'+setup-straight-shorthand)

(setup-define :straight-when
  (lambda (recipe condition)
    `(if ,condition
         (unless (ignore-errors (straight-use-package ',recipe) t)
           (+setup-warn ":straight error: %S" ',recipe)
           ,(setup-quit))
       (message "Setup: :straight-when returned nil %S" ',recipe)
       ,(setup-quit)))
  :documentation
  "Install RECIPE with `straight-use-package' when CONDITION is met.
If CONDITION is false, or if `straight-use-package' fails, stop
evaluating the body.  This macro can be used as HEAD, and will
replace itself with the RECIPE's package."
  :repeatable 2
  :indent 1
  :shorthand #'+setup-straight-shorthand)

(provide '+setup)
;;; +setup.el ends here