;;;; package --- Summary

;;;; Commentary:

;;;; Index:

;;; Section One - Packageless Configurations
;;; Subsection 1.1 - Basic includes
;;; Subsection 1.2 - GUI
;;; Subsection 1.3 - Functions and Bindings
;;; Subsection 1.4 - Backend
;;;
;;; Section Two - Package-required Configurations
;;; Subsection 2.1 - GUI
;;; Subsection 2.2 - Functions and Bindings
;;; Subsection 2.3 - Backend

;;;; Code:

;; Section One

;; Subsection 1.1

(use-package eww)
(use-package help-mode)
(use-package woman)
(use-package org)

;; Subsection 1.2

;; Default theme.
(use-package modus-themes
  :ensure
  :init
  ;; Add all your customizations prior to loading the themes
  (setq modus-themes-success-deuteranopia t
	modus-themes-bold-constructs t
	modus-themes-syntax `(faint yellow-comments green-strings)
	;;	modus-themes-mixed-fonts t ; available for 1.7
	modus-themes-links `(faint bold italic)
	modus-themes-prompts `(gray intense)
	modus-themes-mode-line `(3d accented)
	modus-themes-completions `opinionated
	modus-themes-fringes `intense
	modus-themes-lang-checkers `(text-also background intense)
	modus-themes-hl-line `(accented)
	modus-themes-paren-match `(bold intense)
	modus-themes-variable-pitch-ui t)
  (modus-themes-load-themes)
  :config
  (modus-themes-load-operandi))



(add-hook 'server-after-make-frame-hook '(lambda () (load-theme 'modus-operandi t)))					;This is a workaround for Solaire Mode.

;; Fonts and faces.

(set-face-attribute 'default nil :family "Iosevka Light" :height 125)
(set-face-attribute 'variable-pitch nil :family "Clear Sans" :height 1.0)
(set-face-attribute 'fixed-pitch nil :family "Iosevka Light" :height 1.5)
;; ’y’ or ’n’ is fine
(fset 'yes-or-no-p 'y-or-n-p)

;; Override x-popup-menu
(fset `x-popup-menu `ace-popup-menu)

;; Inhibit the GNU information startup dialog.
(setq inhibit-startup-message t)

;; Set the default geometry of the frame in GUI mode.
(setq default-frame-alist
      '((top . 200) (left . 400)
	(width . 80) (height . 25)))

;; Hide the toolbar in GUI mode.
(tool-bar-mode 0)

;; Hide the scrollbar.
(scroll-bar-mode 0)

;; Set fringe style.
(set-fringe-mode '(0 . 0))

;; Enable frame dividers.
(setq window-divider-default-places t)
(window-divider-mode 1)

(hl-line-mode 1)

;; Subsection 1.3

;; Set up our environment packages.
(defun install-if-not-avail (x) "Check if X installed.  if not, install."
       (if (package-installed-p x)
	   (print (concat (symbol-name x) " is already installed"))
	 (print (concat (symbol-name x) " is not installed, installing."))))

(defun setup-packages (sequence) "Check if the packages in SEQUENCE are available.  If not, install them."
       (mapc `install-if-not-avail sequence))

(setup-packages `())

;; Simple functions to control modes."
(defun set-on (mode) "Set MODE to on if it's off."
       (if (not (eval mode))
	   (set mode 1)
	 ()))

(defun toggle (x) "If X is disabled, enable it.  Otherwise disable it."
  (if (not (eval x))
      (set x 1)
    (set x nil)))

;; Allow for multiple Wowsers.
(eval-after-load "eww"
  (progn `(defun eww-hook () "Reconfigure eww buffers on the fly."
		 (progn (rename-buffer "eww" t)
			(variable-pitch-mode)))))
(add-hook 'eww-mode-hook `eww-hook)

;; Kill the current buffer.
(global-set-key (kbd "C-x k") 'kill-this-buffer)


;; Subsection 1.3

;; Disable TLS 1.3.
(eval-after-load "gnutls" (setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3"))

;; Set the Web Wowser as the default in-Emacs browser.
(eval-after-load "eww"
  `(setq
    browse-url-browser-function 'eww-browse-url
    shr-use-fonts nil
    shr-use-colors nil
    shr-indentation 2
    eww-search-prefix "https://duckduckgo.com/lite"))


;; Byte-compile ELisp when saving.
(auto-compile-on-save-mode t)

;; Increase the garbage collector’s threshold.
(setq gc-cons-threshold 100000000)
(setq large-file-warning-threshold 1000000000)

;; Store temporary files in a backup directory.
(eval-after-load "tramp.el" (progn
			   (setq temporary-file-directory "~/.config/emacs/.backup/temp/")
			   (progn (defvar auto-save-directory) (setq auto-save-directory "~/.config/emacs/.backup/autosave/"))
			   (setq tramp-auto-save-directory "~/.config/emacs/.backup/autosave/")
			   (make-directory temporary-file-directory t)
			   (make-directory auto-save-directory t)
			   (setq auto-save-file-name-transforms
				 `(("\\(?:[^/]*/\\)*\\(.*\\)" ,(concat auto-save-directory "\\1") t)))))


;; Automatically reload files as needed.
(global-auto-revert-mode t)

;; Remove unneeded whitespace when exiting.
(add-hook 'before-save-hook 'whitespace-cleanup)


;; Subsection 2.1

(use-package rainbow-blocks
  :ensure t
  :demand)
(use-package rainbow-mode
  :ensure t
  :demand)
;;(use-package aggressive-indent-mode
 ;; :ensure t
  ;;:demand)

;; Good-scroll improves Emacs’ scrolling abilities.
(use-package good-scroll
  :ensure t
  :demand
  :config
  (good-scroll-mode 1))

;; Golden Ratio resizes the current buffer according to the golden ratio.
(use-package golden-ratio
  :ensure t
  :demand
  :config
  (golden-ratio-mode 1))


;; Dim inactive buffers.
(use-package dimmer
  :ensure t
  :demand
  :config
  (dimmer-mode 1))

;; Goggles adds pulsing effects to region edits.
(use-package goggles
  :ensure t
  :demand
  :config
  (setq-default goggles-pulse t))

;; Focus dims non-relevant text.
(use-package focus
  :ensure t
  :demand
  :config
  '((prog-mode . defun) (text-mode . sentence)))

;; Solaire alters background colors to indicate "real" versus "unreal" buffers.
(use-package solaire-mode
  :ensure t
  :demand
  :config
  (dolist (face `(mode-line mode-line-inactive))))


;; Powerline allows for modeline tweaks.
(use-package powerline
  :ensure t
  :demand
  :config
  (powerline-nano-theme))

;; Popwin forces informational, educational, fantasticational buffers into a temporary window. Thank god.
(use-package popwin
  :ensure t
  :demand
  :config
  ;; Meta commands
  (eval-after-load "popwin"
    `(progn (setq anything-samewindow nil)
	    (push `("*anything*" :height 20) popwin:special-display-config)
	    (push `("*Completions*" :height 20) popwin:special-display-config)
	    (push `("*Messages*" :height 20) popwin:special-display-config)
	    (push `("*compilation*" :height 20) popwin:special-display-config)
	    (push `("*Help*" :height 20) popwin:special-display-config)
	    (push `("*Warnings*" :height 20) popwin:special-display-config)
	    (push `("*Backtrace*" :height 20) popwin:special-display-config)
	    (push `("*Buffer List*" :height 20) popwin:special-display-config)
	    (push "*slime-apropos*" popwin:special-display-config)      ; SLIME commands
	    (push "*slime-macroexpansion*" popwin:special-display-config)
	    (push "*slime-description*" popwin:special-display-config)
	    (push '("*slime-compilation*" :noselect t)
		  popwin:special-display-config)
	    (push "*slime-xref*" popwin:special-display-config)
	    (push '(sldb-mode :stick t) popwin:special-display-config)
	    (push 'slime-repl-mode popwin:special-display-config)
	    (push 'slime-connection-list-mode popwin:special-display-config)
	    (popwin-mode 1))))

;; Subsection 2.2


;; Allow us to easily get around using the Ace packages.
(use-package ace-window
  :ensure t
  :demand
  :config
  (global-set-key (kbd "M-o") `ace-window))

(use-package ace-jump-mode
  :ensure t
  :demand
  :config
  (eval-after-load "ace-jump-mode" `(global-set-key (kbd "C-c SPC") 'ace-jump-mode)))

(use-package ace-link
  :ensure t
  :demand
  :config
  (define-key eww-mode-map (kbd "C-c f") 'ace-link)
  (define-key Info-mode-map (kbd "C-c f") 'ace-link)
  (define-key org-mode-map (kbd "C-c f") 'ace-link)
  (define-key help-mode-map (kbd "C-c f") 'ace-link)
  (define-key woman-mode-map (kbd "C-c f") 'ace-link))

;; Add SLY, a Lisp REPL.
(use-package sly
  :ensure t
  :defer
  :config
  (setq inferior-lisp-program "sbcl"))

;; Configure the fuzzy-pattern matching engine, Helm
(use-package helm
  :ensure t
  :demand
  :bind
  :config
  (require 'helm-config)
  (helm-mode 1)
  (setq helm-split-window-inside-p t
	helm-move-to-line-cycle-in-source t)
  (setq helm-autoresize-max-height 0)
  (setq helm-autoresize-min-height 20)
  (helm-autoresize-mode 1)
  (define-key helm-map (kbd "<tab>")
    `helm-execute-persistent-action)
  (define-key helm-map (kbd "C-i")
    'helm-execute-persistent-action)
  (define-key helm-map (kbd "C-z")
    `helm-select-action)
  (global-set-key (kbd "M-x") 'helm-M-x)
  (global-set-key (kbd "M-y") 'helm-show-kill-ring)
  (global-set-key (kbd "C-x b") 'helm-mini)
  (setq helm-buffers-fuzzy-matching t
	helm-recentf-fuzzy-match t)
  (global-set-key (kbd "C-x C-f") 'helm-find-files) ; Set Helm up to provide meta-x suggestions and others.
  (defun pl/helm-alive-p () "Prevent golden-ratio from interefering with Helm."
	 (if (boundp 'helm-alive-p)
	     (symbol-value 'helm-alive-p)))
  (add-to-list 'golden-ratio-inhibit-functions 'pl/helm-alive-p))

;; Add Helm support to the web wowser
(use-package helm-eww
  :ensure t)

;; Add on-the-fly syntax linting
(use-package flycheck
  :ensure t)

;; Integrate Helm recommendations and Flycheck linting
(use-package helm-flycheck
  :ensure t
  :demand
  :config
  (define-key flycheck-mode-map (kbd "C-c ! h") 'helm-flycheck))

;; Add an SRFI browser.
(use-package srfi
  :ensure t)

;; Enable development features in certain modes.
(defvar proghook-active 0)
(defun proghook () "Function for ’prog-mode’ hook."
       (progn
	 (clean-aindent-mode)
	 (aggressive-indent-mode)
	 (global-ede-mode)
	 (semantic-mode)
	 (flycheck-mode)
	 (electric-pair-mode)
	 (electric-quote-mode)
	 (electric-indent-mode)
	 (solaire-mode)
	 (rainbow-blocks-mode)
	 (rainbow-mode)
	 (goggles-mode)
	 (focus-mode)
	 (show-paren-mode)
	 (mapcar `set-on `(display-line-numbers))))

(add-hook `prog-mode-hook `proghook)

;; Add cwarn-mode to cc-mode later on

(defvar texthook-active 0)
(add-hook 'text-mode-hook 'texthook)

(defun texthook () "Function for ’text-mode’ hook."
       (progn
	 (variable-pitch-mode)
	 (solaire-mode)
	 (rainbow-mode)
	 (goggles-mode)
	 (focus-mode)
	 (mapcar `set-on `(display-line-numbers))))

(add-hook `text-mode-hook `texthook)


(provide 'init)
;;; init.el ends here

(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(custom-safe-themes
   '("2f93ebb862a9d50fee9c1b3302d858e2d2c0bba9d4e1be9bb3b08b7373f1710c" default))
 '(package-selected-packages
   '(aggressive-indent-mode xpm ws-butler web-completion-data use-package stripes srfi speed-type solarized-theme solaire-mode smooth-scroll sly rainbow-mode rainbow-blocks powerline popwin paren-face parchment-theme names helm-slime helm-mode-manager helm-flycheck helm-eww good-scroll golden-ratio goggles gnuplot focus flyspell-correct-helm flymake-haskell-multi flymake flycheck-haskell flycheck-aspell eww-lnum electric-operator dimmer context-coloring clean-buffers clean-aindent-mode auto-compile aggressive-indent ace-window ace-link ace-jump-mode ac-slime ac-html ac-haskell-process ac-etags)))