;;; init.el --- A Personal Emacs Configuration -*- lexical-binding: t; -*-

;; =============================================================================
;; hi@jsntn.com
;; 2020, 2021, 2022, 2023, 2024
;; =============================================================================

;;; Commentary:
;;

;;; Code:


(let ((minver "27.1"))
  (when (version< emacs-version minver)
    (error "This Emacs configuration is based on v%s" minver))
  )


;; =============================================================================
;; initial settings
;; =============================================================================

;; this is used to initiate the load-path setting for further require config

;; alias emacs='emacs -q --load "/path/to/init.el"'
(setq user-init-file (or load-file-name (buffer-file-name)))
(setq user-emacs-directory (file-name-directory user-init-file))
;; refer to https://emacs.stackexchange.com/a/4258/29715

;; initiate 'lisp' folder to the load-path
(add-to-list 'load-path (expand-file-name "lisp" user-emacs-directory))


(defconst *dependencies-installation-enabled* nil) ; enable with t if you prefer


;; =============================================================================
;; require settings
;; =============================================================================

(require 'init-portable) ; portable Emacs settings



(when (string-equal (getenv "ELPA") "local")
  (message "The built-in Org version: %s" (org-version)))

(when (string-equal (getenv "ELPA") "online")
  ;; use the latest version of Org
  (add-to-list 'load-path (concat (getenv "GITHUB_WORKSPACE") "/src/org-mode/lisp"))
  (require 'org)
  (message "The latest Org version: %s" (org-version)))



(require 'init-load-path) ; load-path settings
(require 'init-pre) ; pre-startup settings

(require 'init-messages) ; *Messages* buffer settings
(require 'init-utils) ; utils configuration
(require 'init-timer-utils) ; timer utils

(require 'local-var nil 'noerror) ; allow users to provide an optional
				  ; "local-var" containing personal variables

(require 'use-package) ; use-package initialization
(setq use-package-always-ensure t) ; install the package if it is not installed

(require 'local-packages nil 'noerror) ; allow users to provide an optional
				       ; "local-packages" containing local
				       ; packages
;; above must come before (require 'package) settings, as it involves package.el
;; which downloads packages from the package-archives

(require 'init-speed-up) ; speed-up settings


;; =============================================================================
;; package management
;; =============================================================================

(require 'package)

(setq package-archives '(("gnu" . "https://elpa.gnu.org/packages/")
			 ("melpa" . "https://melpa.org/packages/")))
;; Official MELPA Mirror, in case necessary.
;;(add-to-list 'package-archives (cons "melpa-mirror" (concat proto "://www.mirrorservice.org/sites/melpa.org/packages/")) t) 

(when (string-equal (getenv "ELPA") "local")
  ;; when running on GitHub w/ local elpa Actions config, overwrite above `package-archives'
  (defvar myelpa-url (concat (getenv "GITHUB_WORKSPACE") "/myelpa/"))
  (setq package-archives `(("myelpa" . ,myelpa-url))))

;; install straight.el
;; https://github.com/radian-software/straight.el#getting-started
(defvar bootstrap-version)
(let ((bootstrap-file
       (expand-file-name "straight/repos/straight.el/bootstrap.el" user-emacs-directory))
      (bootstrap-version 6))
  (unless (file-exists-p bootstrap-file)
    (with-current-buffer
	(url-retrieve-synchronously
	 "https://raw.githubusercontent.com/radian-software/straight.el/develop/install.el"
	 'silent 'inhibit-cookies)
      (goto-char (point-max))
      (eval-print-last-sexp)))
  (load bootstrap-file nil 'nomessage))


(package-initialize)
(unless package-archive-contents
  (package-refresh-contents))






(require 'init-packages) ; package management by using use-package


;; =============================================================================
;; require settings
;; =============================================================================

(require 'init-company) ; company completion related settings
(require 'init-dict) ; dict settings
(require 'init-display) ; display settings
(require 'init-encryption) ; encryption settings
(require 'init-evil) ; evil related config
(require 'init-font) ; font settings
(require 'init-gpg) ; GPG settings

(require 'init-ibuffer) ; IBuffer mode settings

(require 'init-org) ; Org-mode settings
(require 'init-plantuml) ; PlantUML settings
(require 'init-python) ; Python settings
(require 'init-reformatter) ; reformatter settings
(require 'init-sessions) ; session settings
(require 'init-shell) ; Shell settings
(require 'init-spelling) ; spelling settings
(require 'init-tags) ; tags related config

(require 'init-uuid) ; UUID settings
(require 'init-veracrypt) ; VeraCrypt/TrueCrypt settings
(require 'init-yaml) ; YAML settings

(require 'init-misc) ; miscellaneous settings

(require 'local-config nil 'noerror) ; allow users to provide an optional
				     ; "local-config" containing personal
				     ; settings

;; move the hooks to the end of the main settings
(require 'init-hooks) ; hooks settings
;; move the keybindings to the end of the other settings
(require 'init-keybindings) ; keybindings with general.el

(when *dependencies-installation-enabled*
  (require 'init-deps) ; dependencies installation
  )


;; =============================================================================
;; footer
;; =============================================================================

(when (file-exists-p custom-file)
  ;; stop adding "custom" fields to the end
  ;; variables configured via the interactive 'customize' interface
  (load custom-file))


(provide 'init)

;; Local Variables:
;; coding: utf-8
;; no-byte-compile: t
;; End:
;;; init.el ends here