;;; EditorCubes --- The common cubes for FG42 -*- lexical-binding: t; -*-
;;
;; Copyright (c) 2010-2022 Sameer Rahmani & Contributors
;;
;; Author: Sameer Rahmani <lxsameer@gnu.org>
;; URL: https://gitlab.com/FG42/FG42
;; Version: 3.0.0
;;
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
;;
;;; Commentary:
;;; Code:
(require 'server)
(require 'fpkg)
(require 'fg42/cube)
(require 'fg42/utils)
(require 'fg42/modeline)
(require 'cubes/modeline)

(defflag font-icons
  "Enable the support for font icones in FG42." t)


(defflag server
  "Enable the support for server mode in FG42." t)


(defcube fg42/folding-cube
  "This cube install ~origami~ which let you collapse and expand regions of text.

For more info checkout [[https://github.com/gregsexton/origami.el]]"
  (:title "Folding cube"
         :flag folding
         :flag-default t)
  (fpkg/use origami
    :bind
    (("C-c TAB" . origami-toggle-node))
    :config
    (global-origami-mode t)))


(defcube fg42/pinentry-cube
  "Pinentry cube with setup the =pinentry= program to be used within FG42."
  (:title "Pinentry cube"
         :flag pinentry
         :flag-default t)
  (fpkg/use pinentry
    :init
    (progn
      (setq epa-pinentry-mode 'loopback)
      (pinentry-start))))

(defcube fg42/imenu-cube
  "Imenu support"
  (:title "Imenu cube"
         :flag imenu
         :flag-default t)
  (fpkg/use imenu-list
    :init
    (global-set-key (kbd "C-'") #'imenu-list-smart-toggle)))

(defcube fg42/alert-cube
  "alert support"
  (:title "Alert cube"
         :flag alert
         :flag-default t)
  (fpkg/use alert))


(defcube fg42/exec-path-cube
  "This cube fixes the =exec-path-from-shell= issue on MacOS."
  (:title "Exec path cube"
         :flag exec-path-from-shell
         :flag-default t)
  (fpkg/use exec-path-from-shell
    :init
    (when (memq window-system '(mac ns x))
      (exec-path-from-shell-initialize))))


(defcube fg42/hl-cube
  "This cube highlight the curret line."
  (:title "Current line highlight cube"
         :flag hl-line
         :flag-default t)
  (require 'hl-line)
  (global-hl-line-mode))


(defcube fg42/cursor-cube
  "This cube controls the shape of the cursor."
  (:title "Cursor cube"
         :flag cursor-type
         :flag-default t)
  (let ((ctype (or (plist-get fg42/cursor-cube-params :type) 'box))
        (ccolor (or (plist-get fg42/cursor-cube-params :color) "#aa0000")))

    (add-hook 'fg42/after-initializing-theme-hook
              (lambda ()
                (set-default 'cursor-type ctype)
                (set-cursor-color ccolor)))))

(defcube fg42/buffer-navigation-cube
  "This cube controls the different aspect of buffer navigation"
  (:title "Buffer navigation cube"
         :flag buffer-navigation
         :flag-default t)

  (fpkg/use avy
    :bind ("M-1" . avy-goto-word-1)))


(defcube fg42/window-navigation-cube
  "This cube controls the different aspect of buffer navigation"
  (:title "Window navigation cube"
         :flag window-navigation
         :flag-default t)

  (fpkg/use ace-window
    :bind ("C-<tab>" . ace-window)))


(defcube fg42/font-cube
  "This cube controls the font configuration of *FG42*"
  (:title "Font Cube"
         :no-flag t
         :flag-default t)

  (let ((font (or (plist-get fg42/font-cube-params :font-name)
                  "Fira Mono"))
        (size (or (plist-get fg42/font-cube-params :font-size)
                  12)))
    (when font
      ;; Sets the default font to fg42 font
      (add-to-list 'default-frame-alist
                   (cons 'font (format "%s-%d" font size)))

      (set-face-attribute 'default t :font font))))


;TODO: Replace this cube with a `theme-cube'
(defcube fg42/dracula-theme-cube
  "Replace this with a theme cube"
  (:title "Dracula theme"
         :no-flag t)
  (require 'fg42/themes)


  (fpkg/use dracula-theme
    :init
    (fg42/setup-theme
      (load-theme 'dracula t)
      (custom-theme-set-faces
       'dracula
       '(match ((t (:background "#44475a"))))
       '(all-the-icons-lgreen ((t (:background "#bd93f9"))))
       '(all-the-icons-faicon ((t (:background "#bd93f9"))))
       '(font-lock-comment-face ((t (:foreground "#8B9298"))))
       '(font-lock-comment-delimiter-face ((t (:foreground "#5B6268")))))
      (enable-theme 'dracula))))


(defcube fg42/selectrum-cube
  "This cube adds support for `selectrum' to FG42"
  (:title "Selectrum cube"
         :flag selectrum
         :flag-default t)
  (fpkg/use selectrum
    :defer nil
    :init
    (selectrum-mode +1))

  (fpkg/use selectrum-prescient
    :defer t
    :init
    (progn
      (setq prescient-filter-method '(literal fuzzy regexp initialism))
      (selectrum-prescient-mode +1)
      (prescient-persist-mode +1)))

  ;; TODO: Disbale ctrlf in WM mode
  (fpkg/use ctrlf
    :defer t
    :init
    (ctrlf-mode +1)))


(defcube fg42/editor-cube
  "This is a meta cube that sets up the basic functionalities of an Editor"
  (:title "Editor cube"
         :no-flag t)

  (fpkg/use  rainbow-delimiters
    ;; It doesn't work due to a problem/conflict in rainbow-delimiters
    ;; But we use it any way they might fix it
    :hook (prog-mode . rainbow-delimiters-mode))

  (when-flag font-icon
    (fpkg/use all-the-icons))

  ;; In the following section we're setting some default behavior of FG42.
  ;; Most of these configuration are opiniated and I think most of people
  ;; shared the same opinion or don't care at all.

  ;; Remove splash screen
  (setq inhibit-splash-screen t)
  ;; scratch should be scratch
  (setq initial-scratch-message nil)
  ;; Don't allow tab as indent
  (setq-default indent-tabs-mode nil)
  ;; Default indent width
  (setq tab-width 2)
  ;; Share the clipboard with X applications
  (setq x-select-enable-clipboard t)
  ;; Automatically removed excess backups of the file
  (setq delete-old-versions t)

  ;; Global configurations
  (tool-bar-mode -1)
  (scroll-bar-mode -1)
  (menu-bar-mode -1)
  (column-number-mode t)
  (show-paren-mode t)
  (electric-pair-mode 1)

  ;; Rectangular select
  (cua-selection-mode t)

  ;; Yank the region on type
  (delete-selection-mode 1)

  (defalias 'yes-or-no-p 'y-or-n-p)

  ;; Hooks ---
  ;; Deletel extra trailing white spaces on save
  (add-hook 'before-save-hook 'delete-trailing-whitespace)

  ;; Enable rainbow-delimiters  for programming
  (add-hook 'prog-mode-hook #'rainbow-delimiters-mode)


  (when-flag server
    (when (not (server-running-p))
        (when-wm
         (setq server-name "fg42-wm"))
        (server-start)))

  ;; Call the editor related cubes. They will be run only if
  ;; their flag is active otherwise they will be skipped

  (let ((mline (or (plist-get fg42/editor-cube-params :modeline)
                   #'fg42/default-modeline)))
    ;;(fg42/statusbar-cube)
    (fg42/modeline-cube)
    (fg42/setup-modeline-format mline))

  (fg42/folding-cube)
  (fg42/font-cube)
  (fg42/pinentry-cube)
  (fg42/exec-path-cube)
  (fg42/buffer-navigation-cube)
  (fg42/window-navigation-cube)
  (fg42/selectrum-cube)
  (fg42/cursor-cube)
  (fg42/hl-cube))


(provide 'cubes/editor)
;;; editor.el ends here