#+TITLE: Emacs Configuration
#+AUTHOR: Thanos Apollo
#+PROPERTY: header-args :tangle ~/.emacs.d/init.el :mkdirp yes
#+auto_tangle: t
#+STARTUP: overview

* System Information
** Essentials
Set my name and email address
#+begin_src emacs-lisp
  (setq user-full-name "Thanos Apollo"
	user-mail-address "public@thanosapollo.com")
#+end_src
Check the ~$HOSTNAME~ to set a variable for different devices
#+begin_src emacs-lisp
  (defvar is-zeus (equal (system-name) "zeus"))
  (defvar is-hermes (equal (system-name) "hermes"))
  (defvar is-phone (equal (system-name) "localhost"))
#+end_src
Setup default browser as ~firefox~
#+begin_src emacs-lisp
  (setq browse-url-browser-function 'browse-url-generic
	browse-url-generic-program "firefox")
#+end_src
Set backup fails at ~~/Trash~
#+begin_src emacs-lisp
  (setq backup-directory-alist '((".*" . "~/.Trash")))
#+end_src
Define essential keybindings 
#+begin_src emacs-lisp
  (define-prefix-command 'thanos/applications-map)
  (global-set-key (kbd "C-c a") 'thanos/applications-map)
  (when is-zeus
    (define-key 'thanos/applications-map (kbd "g") 'guix))

  (define-prefix-command 'Create)
  (define-key thanos/applications-map (kbd "C-c") 'Create)

  (global-set-key (kbd "<escape>") 'keyboard-escape-quit)
#+end_src

** Paths
#+begin_src emacs-lisp
  ;; mu4e
  (add-to-list 'load-path "/usr/share/emacs/site-lisp/elpa/mu4e-1.8.14")

  ;; custom themes
  (add-to-list 'custom-theme-load-path (expand-file-name "~/.emacs.d/themes/"))
#+end_src
* Setting Up Packages
** List of required packages
Request the following packages:
#+begin_src emacs-lisp 
  (defvar thanos/packages
	 '(emms tree-sitter org-snooze org-drill
	   all-the-icons all-the-icons-dired
	   all-the-icons-ivy-rich toc-org emojify
	   doom-themes doom-modeline gruvbox-theme counsel
	   vterm multi-vterm which-key ivy ivy-rich helpful
	   password-store org org-modern org-roam
	   visual-fill-column rainbow-delimiters flycheck
	   lsp-mode lsp-ui json-mode rjsx-mode
	   typescript-mode python-mode pyvenv company
	   company-box magit elfeed elfeed-goodies paredit
	   corfu monkeytype sudo-edit consult alsamixer
	   simple-httpd eshell-syntax-highlighting
	   org-superstar pdf-tools org-auto-tangle sly
	   org-download eshell-git-prompt eshell-vterm
	   hackernews circe gptel beacon ement mu4e-alert
	   pass eat nov yeetube stumpwm-mode telega))
#+end_src
** Installation & activation
Set ~package-archives~, and install packages
#+begin_src emacs-lisp
  (setq package-archives '(("melpa" . "https://melpa.org/packages/")
			   ("elpa" . "https://elpa.gnu.org/packages/")
			   ("nongnu" . "https://elpa.nongnu.org/nongnu/")))
  ;; Activate all the packages
  (package-initialize)  
  ;; Install the missing packages
  (dolist (package thanos/packages)
    (unless (package-installed-p package)
      (package-install package)))

  ;; Set and load custom.el
  (setq custom-file (concat user-emacs-directory "custom.el"))
  (load custom-file 'noerror)
#+end_src
* UI Settings
** Basic UI
Fonts and basic appearance settings for each device
#+begin_src emacs-lisp
  (setq inhibit-startup-message t)
  (setq initial-scratch-message nil)
  (setq company-box-icons-alist 'company-box-icons-images)
  ;; Transparency
  (add-to-list 'default-frame-alist '(alpha-background . 90))
  (add-to-list 'default-frame-alist '(alpha 90 90))


  (add-hook 'dired-mode-hook 'all-the-icons-dired-mode)

  (when (equal is-phone nil)
    (scroll-bar-mode -1)
    (set-fringe-mode 10))

  (beacon-mode 1)
  (tool-bar-mode -1)
  (tooltip-mode -1)
  (menu-bar-mode -1)
  (which-key-mode 1)
  (blink-cursor-mode -1)
  (menu-bar--visual-line-mode-enable)
  (global-visual-line-mode 1)

  ;; Set emojis for emacs 29
  (require 'emojify)
  (setq global-emojify-mode 1)

  (setq visible-bell t)

  (column-number-mode)
  (global-display-line-numbers-mode 1)
  (menu-bar--display-line-numbers-mode-relative)
  ;;Disable line numbers for some modes
  (dolist (mode '(pdf-view-mode-hook
		  org-mode-hook
		  term-mode-hook
		  shell-mode-hook
		  eshell-mode-hook
		  vterm-mode-hook
		  elfeed
		  vterm-mode
		  telega-chat-mode-hook
		  telega-root-mode-hook
		  nov-mode-hook))
    (add-hook mode (lambda ()
		     (display-line-numbers-mode 0))))

  ;; Set font-size for each device
  (custom-set-faces
   (if is-hermes '(default ((t (:inherit nil :height 120 :family "Jetbrains Mono"))))
     '(default ((t (:inherit nil :height 135 :family "Jetbrains Mono"))))))
#+end_src
** Theme
#+begin_src emacs-lisp
  (load-theme 'doom-monokai-classic)
  (doom-modeline-mode 1)

  (setq doom-modeline-height 35)

  ;; Don't display battery-mode on desktop
  (if is-zeus
      (display-battery-mode 0)
    (display-battery-mode 1))
#+end_src
** Ivy
#+begin_src emacs-lisp
  (require 'ivy)

  (ivy-mode 1)
					  ;(setq ivy-use-virtual-buffers t)
					  ;(setq enable-recursive-minibuffers t)
  (global-set-key (kbd "C-s") 'swiper)
  (define-key ivy-minibuffer-map (kbd "TAB") 'ivy-alt-done)
  (global-set-key "\C-s" 'swiper)
  (global-set-key (kbd "C-c C-r") 'ivy-resume)
  (global-set-key (kbd "<f6>") 'ivy-resume)
  (global-set-key (kbd "M-x") 'counsel-M-x)
  (global-set-key (kbd "C-x C-f") 'counsel-find-file)
  (global-set-key (kbd "<f1> f") 'counsel-describe-function)
  (global-set-key (kbd "<f1> v") 'counsel-describe-variable)
  (global-set-key (kbd "<f1> o") 'counsel-describe-symbol)
  (global-set-key (kbd "<f1> l") 'counsel-find-library)
  (global-set-key (kbd "<f2> i") 'counsel-info-lookup-symbol)
  (global-set-key (kbd "<f2> u") 'counsel-unicode-char)
  (global-set-key (kbd "C-c g") 'counsel-git)
  (global-set-key (kbd "C-c j") 'counsel-git-grep)
  (global-set-key (kbd "C-c k") 'counsel-ag)
  (global-set-key (kbd "C-x l") 'counsel-locate)
  (global-set-key (kbd "C-S-o") 'counsel-rhythmbox)
  (define-key minibuffer-local-map (kbd "C-r") 'counsel-minibuffer-history)

  (ivy-rich-mode 1)
  (all-the-icons-ivy-rich-mode 1)

  (setq ivy-use-selectable-prompt t)

  (global-set-key (kbd "C-c m") 'consult-imenu)
  (define-key thanos/applications-map (kbd "t") 'counsel-load-theme)
#+end_src
** Helpful
#+begin_src emacs-lisp
  (require 'helpful)
  (global-set-key (kbd "C-h f") #'helpful-callable)
  (global-set-key (kbd "C-h v") #'helpful-variable)
  (global-set-key (kbd "C-h k") #'helpful-key)
  (global-set-key (kbd "C-h x") #'helpful-command)

  (global-set-key (kbd "C-c C-d") #'helpful-at-point)
  (global-set-key (kbd "C-h F") #'helpful-function)

  (setq counsel-describe-function-function #'helpful-callable)
  (setq counsel-describe-variable-function #'helpful-variable)
#+end_src
** Navigation
#+begin_src emacs-lisp
  (global-set-key (kbd "C-x r d") 'bookmark-delete)
  (global-set-key (kbd "C-x r C-r") 'bookmark-rename)

  ;; ibuffer
  (global-set-key (kbd "C-x C-b") 'ibuffer)
#+end_src
* Pass
** Setup
Generate a random password between 20 and 40 characters
#+begin_src emacs-lisp
  (setq password-store-password-length (+ 20 (random 20)))
#+end_src
** Pass Launcher
#+begin_src emacs-lisp
  (require 'password-store)

  (defun thanos/pass-launcher ()
    "Launch Emacs as a front-end for pass."
    (interactive)
    (cl-flet ((pass-autotype (entry)
		(let ((user (password-store-get-field entry "user"))
		      (pass (password-store-get entry)))
		  (start-process-shell-command
		   "xdotool" nil
		   (if user
		       (format "sleep 0.3 && xdotool getactivewindow type '%s' && xdotool getactivewindow key Tab && xdotool getactivewindow type '%s'" user pass)
		     (format "sleep 0.3 && xdotool getactivewindow type 'thanosapollo' && xdotool getactivewindow key Tab && xdotool getactivewindow type '%s'" pass))))))
      (let ((ivy-height 100))
	(unwind-protect
	    (with-selected-frame
		(make-frame '((name . "thanos/pass-launcher")
			      (minibuffer . only)
			      (fullscreen . 0)
			      (undecorated . t)
			      (internal-border-width . 10)
			      (width . 80)
			      (height . 11)))
	      (let* ((choice (completing-read "Choose an action: " '("AUTO" "COPY" "EDIT" "GENERATE")))
		     (action (pcase choice
			       ("AUTO" #'pass-autotype)
			       ("COPY" #'password-store-copy)
			       ("EDIT" #'password-store-edit)
			       ("GENERATE" #'password-store-generate))))
		(funcall action (completing-read "Search: " (password-store-list)))
		(delete-frame)))))))

  (defun smtp-get-pass ()
    "Get password for smtp"
    (interactive)
    (password-store-copy-field "fastmail.com/thanosapollo@fastmail.com" "smtp"))
#+end_src
** Keybindings
#+begin_src emacs-lisp
  (define-prefix-command 'thanos/pass)
  (global-set-key (kbd "C-c p") 'thanos/pass)
  (define-key thanos/pass (kbd "i") 'password-store-insert)
  (define-key thanos/pass (kbd "e") 'password-store-edit)
  (define-key thanos/pass (kbd "g") 'password-store-generate)
  (define-key thanos/pass (kbd "s") 'smtp-get-pass)
#+end_src

* App Launcher
#+begin_src emacs-lisp
  (defun thanos/app-launcher ()
    "Launch Emacs as an Application Launcher."
    (interactive)
    (let ((ivy-height 100))
      (unwind-protect
	  (with-selected-frame
	      (make-frame '((name . "thanos/emacs-launcher")
			    (minibuffer . only)
			    (fullscreen . 0)
			    (undecorated . t)
			    (internal-border-width . 10)
			    (width . 80)
			    (height . 11)))
	    (counsel-linux-app)
	    (delete-frame)))))
#+end_src
* VM Manager
#+begin_src emacs-lisp
  (defvar vm-directory "~/virtual-machines/")

  (defun vm-create-image ()
    "Create qcow2 image."
    (interactive)
    (let ((name (format "%s%s.qcow2" vm-directory (read-string "Name: ")))
	  (size (format "%s" (read-string "Size(G): "))))
      (shell-command
       (format "qemu-img create -f qcow2 %s %sG" name size))))


  (defun vm-run ()
    "Spawn Virtual Machine."
    (interactive)
    (let ((memory (format "%sG" (read-string "Memory(G): ")))
	  (cores (read-string "Cores: "))
	  (image (read-file-name "Image: " vm-directory))
	  (iso (if (y-or-n-p "Load iso?? ")
		   (read-file-name "ISO: ")
		 nil)))
      (start-process-shell-command
       "virtual-machine" nil
       (format "qemu-system-x86_64 -enable-kvm -m %s -smp %s -hda %s -vga qxl -device virtio-serial-pci -spice port=5784,disable-ticketing -display spice-app %s "
	       memory cores image (when iso (concat "-cdrom " iso))))))
#+end_src 
* Dired
** Functions
#+begin_src emacs-lisp
  (require 'dired)

  (defun dired-watch-video ()
    "Watch play file with mpv."
    (interactive)
    (call-process-shell-command
     (format "mpv \"%s\"" (dired-get-filename)) nil 0))

  (defun dired-set-wallpaper ()
    "Set NAME as wallpaper using feh."
    (interactive)
    (call-process-shell-command
     (format "feh --bg-scale %s" (dired-get-filename)) nil 0))

  (defun dired-delete-files-except ()
    "Delete all files inside directory except match."
    (interactive)
    (let* ((directory (read-directory-name "Select directory: "))
	   (files (directory-files directory t))
	   (except-match (read-string "Except the ones that have: ")))
      (dolist (file files)
	(unless (or (string= "." (substring file -1))
		    (string= ".." (substring file -2))
		    (string-match except-match file))
	  (dired-delete-file file t)))))

  (defun dired-delete-file-match ()
    "Delete all files inside directory except match."
    (interactive)
    (let* ((directory (read-directory-name "Select directory: "))
	   (files (directory-files directory t))
	   (match (read-string "Delete files that match: ")))
      (dolist (file files)
	(when (string-match-p match file)
	  (dired-delete-file file t)))))
#+end_src
** Keybindings
#+begin_src emacs-lisp
  (require 'dired)
  (define-key dired-mode-map (kbd "b") 'dired-up-directory)
  (define-key dired-mode-map (kbd "v") 'dired-watch-video)
  (define-key dired-mode-map (kbd "z") 'wdired-change-to-wdired-mode)
  (define-key dired-mode-map (kbd "C-c w") 'dired-set-wallpaper)
  (define-key global-map (kbd "C-c d") 'dired-delete-files-except)
#+end_src
** All-the-icons
#+begin_src emacs-lisp
  (add-hook 'dired-mode-hook 'all-the-icons-dired-mode)
  (setq all-the-icons-dired-monochrome 'nil
	all-the-icons-dired-v-adjust 0.10)
#+end_src
* Org
** Org-Roam
#+begin_src emacs-lisp
  ;; Create ~/Notes, ignore errors if it's already made
  (ignore-errors
    (make-directory "~/Notes"))

  (setq org-roam-directory "~/Notes"
	org-roam-dailies-directory "journal/")

  (org-roam-db-autosync-enable)

  (setq org-roam-node-display-template (concat "${title:50} "(propertize "${tags:30}" 'face 'org-tag)))

  (setq org-roam-db-node-include-function
	(lambda ()
	  (not (or (member "journal" (org-get-tags))
		   (member "memorize" (org-get-tags))))))
#+end_src
*** Keybindings
#+begin_src emacs-lisp
  ;; Set maps
  (define-prefix-command 'thanos/notes)
  (global-set-key (kbd "C-c n") 'thanos/notes)
  ;; org-roam keys
  (define-key thanos/notes (kbd "t") 'org-roam-buffer-toggle)
  (define-key thanos/notes (kbd "f") 'org-roam-node-find)
  (define-key thanos/notes (kbd "i") 'org-roam-node-insert)
  ;; Journaling
  (define-prefix-command 'Journal)
  (define-key thanos/notes (kbd "C-j") 'Journal)
  (define-key Journal (kbd "d") 'Journaling/dailies)
  (define-key Journal (kbd "C-c") 'org-roam-dailies-capture-today)
  (define-key Journal (kbd "C-t") 'org-roam-dailies-capture-tomorrow)
  (define-key Journal (kbd "C-y") 'org-roam-dailies-capture-yesterday)
  (define-key Journal (kbd "c") 'org-roam-dailies-goto-today)
  (define-key Journal (kbd "t") 'org-roam-dailies-goto-tomorrow)
  (define-key Journal (kbd "y") 'org-roam-dailies-goto-yesterday)

  (define-key org-mode-map (kbd "C-c C-.") 'org-roam-tag-add)
  (define-key org-mode-map (kbd "C-c i") 'org-id-get-create)
#+end_src
*** Templates
#+begin_src emacs-lisp
  (setq org-roam-capture-templates
	'(("d" "default" plain
	   "%?"
	   :if-new (file+head "%<%Y%m%d%H%M%S>-${slug}.org" "#+title: ${title}\n")
	   :unnarrowed t)
	  ("l" "programming language" plain
	   "* Characteristics\n\n- Family: %?\n- Inspired by: \n\n* Reference:\n\n"
	   :if-new (file+head "%<%Y%m%d%H%M%S>-${slug}.org" "#+title: ${title}\n")
	   :unnarrowed t)
	  ("p" "MUS" plain "* Goals\n\n%?\n\n* Tasks\n\n** TODO Add initial tasks\n\n* Dates\n\n"
	   :if-new (file+head "%<%Y%m%d%H%M%S>-${slug}.org" "#+title: ${title}\n#+filetags: MUS")
	   :unnarrowed t)))
  ;; Dailies
  (setq org-roam-dailies-capture-templates
	'(("d" "default" entry
	   "* %?"
	   :target (file+head "%<%Y-%m-%d>.org"
			      "#+title: %<%Y-%m-%d>\n"))
	  ("j" "Daily Journaling" entry
	   (file "~/org/Templates/journaling.org")
	   :target (file+head "%<%Y-%m-%d>.org"
			      "#+title: %<%Y-%m-%d>\n"))
	  ("i" "Improve" entry
	   (file "~/org/Templates/improve.org")
	   :target (file+head "%<%Y-%m-%d>.org"
			      "#+title: %<%Y-%m-%d>\n"))))
#+end_src
** Themes
*** Dracula
#+begin_src emacs-lisp
  (defun thanos/org-theme-dracula ()
    "Enable Dracula theme for Org headers."
    (interactive)
    (dolist
	(face
	 '((org-level-1 1.7 "#8be9fd" extra-bold)
	   (org-level-2 1.6 "#bd93f9" extra-bold)
	   (org-level-3 1.5 "#50fa7b" bold)
	   (org-level-4 1.4 "#ff79c6" semi-bold)
	   (org-level-5 1.3 "#9aedfe" normal)
	   (org-level-6 1.2 "#caa9fa" normal)
	   (org-level-7 1.1 "#5af78e" normal)
	   (org-level-8 1.0 "#ff92d0" normal)))
      (set-face-attribute (nth 0 face) nil
			  :font "JetBrains Mono"
			  :weight (nth 3 face)
			  :height (nth 1 face)
			  :foreground (nth 2 face)))
    (set-face-attribute 'org-table nil
			:font "JetBrains Mono"
			:weight 'normal
			:height 1.0
			:foreground "#bfafdf"))
#+end_src
*** Darkone
#+begin_src emacs-lisp
  (defun thanos/org-theme-darkone ()
    "Enable Darkone theme for Org headers."
    (interactive)
    (dolist
	(face
	 '((org-level-1 1.70 "#51afef" bold)
	   (org-level-2 1.55 "#7FBCD2" bold)
	   (org-level-3 1.40 "#da8548" bold)
	   (org-level-4 1.20 "#da8548" semi-bold)
	   (org-level-5 1.20 "#5699af" normal)
	   (org-level-6 1.20 "#a9a1e1" normal)
	   (org-level-7 1.10 "#46d9ff" normal)
	   (org-level-8 1.00 "#ff6c6b" normal)))
      (set-face-attribute (nth 0 face) nil
			  :font "Jetbrains Mono"
			  :weight (nth 3 face)
			  :height (nth 1 face)
			  :foreground (nth 2 face)))
    (set-face-attribute 'org-table nil
			:font "Jetbrains Mono"
			:weight 'normal
			:height 1.0
			:foreground "#A66CFF"))
#+end_src
*** Gruvbox
#+begin_src emacs-lisp
  (defun thanos/org-theme-gruvbox ()
    "Enable Darkone theme for Org headers."
    (interactive)
    (dolist
	(face
	 '((org-level-1 1.70 "#fb4934" bold)
	   (org-level-2 1.55 "#98971a" bold)
	   (org-level-3 1.40 "#458588" bold)
	   (org-level-4 1.20 "#b16286" semi-bold)
	   (org-level-5 1.20 "#689d6a" normal)
	   (org-level-6 1.20 "#d3869b" normal)
	   (org-level-7 1.10 "#8ec07c" normal)
	   (org-level-8 1.00 "#ebdbb2" normal)))
      (set-face-attribute (nth 0 face) nil
			  :font "Jetbrains Mono"
			  :weight (nth 3 face)
			  :height (nth 1 face)
			  :foreground (nth 2 face)))
    (set-face-attribute 'org-table nil
			:font "Jetbrains Mono"
			:weight 'normal
			:height 1.0
			:foreground "#A66CFF"))
#+end_src
*** Org Modern
#+begin_src emacs-lisp
  (modify-all-frames-parameters
   '((right-divider-width . 5)
     (internal-border-width . 5)))
  (dolist (face '(window-divider
		  window-divider-first-pixel
		  window-divider-last-pixel))
    (face-spec-reset-face face)
    (set-face-foreground face (face-attribute 'default :background)))
  (set-face-background 'fringe (face-attribute 'default :background))

  (setq
   ;; Edit settings
   org-auto-align-tags nil
   org-tags-column 0
   org-catch-invisible-edits 'show-and-error
   org-special-ctrl-a/e t
   org-insert-heading-respect-content t

   ;; Org styling, hide markup etc.
   org-hide-emphasis-markers t
   org-pretty-entities t

   ;; Agenda styling
   org-agenda-tags-column 0
   org-agenda-block-separator ?─
   org-agenda-time-grid
   '((daily today require-timed)
     (800 1000 1200 1400 1600 1800 2000)
     " ┄┄┄┄┄ " "┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄")
   org-agenda-current-time-string
   "⭠ now ─────────────────────────────────────────────────")

  (global-org-modern-mode)

  (setq org-modern-todo nil)
#+end_src
** Settings
#+begin_src emacs-lisp
  (require 'ox-md nil t)
  (require 'org-download)
  ;;(require 'org-drill)

  (setq org-directory "~/org/"
	org-agenda-files '("~/org/agenda.org")
	org-default-notes-file (expand-file-name "notes.org" org-directory)
	org-ellipsis " ▼ "
	org-log-done 'time
	org-hide-emphasis-markers nil ;;change to t to hide emphasis markers
	org-table-convert-region-max-lines 20000
	org-agenda-start-log-mode t
	org-log-done 'time
	org-log-into-drawer t
	org-todo-keywords        ;; This overwrites the default Doom org-todo-keywords
	'((sequence
	   "TODO(t)"           ;; A task that is ready to be tackled
	   "BLOG(b)"           ;; Blog writing assignments
	   "GYM(g)"            ;; Things to accomplish at the gym
	   "WAIT(w)"           ;; Something is holding up this task
	   "|"                 ;; The pipe necessary to separate "active" states and "inactive" states
	   "DONE(d)"           ;; Task has been completed
	   "CANCELLED(c)" ))
	org-superstar-headline-bullets-list '("◉" "●" "○" "●" "○" "●" "◆")
	org-superstar-itembullet-alist '((?+ . ?➤) (?- . ?✦))) ;; changes +/- symbols in item lists)
#+end_src

=Keybindings=
#+begin_src emacs-lisp
  (define-key org-mode-map (kbd "C-c t") 'org-time-stamp-inactive)
  (define-key org-mode-map (kbd "C-c s") 'org-download-screenshot)
#+end_src
=Hooks=
#+begin_src emacs-lisp
  (add-hook 'org-mode-hook 'thanos/org-theme-gruvbox)
  (add-hook 'org-mode-hook 'flyspell-mode)
  (add-hook 'org-mode-hook 'toc-org-mode)
#+end_src
** Babel
#+begin_src emacs-lisp
  (defadvice org-edit-src-code (around set-buffer-file-name activate compile)
    (let ((file-name (buffer-file-name))) ;; (1)
      ad-do-it                            ;; (2)
      (setq buffer-file-name file-name))) ;; (3)

  (org-babel-do-load-languages
   'org-babel-load-languages
   '((emacs-lisp . t)
     (python . t)))


  (setq org-structure-template-alist
	'(("e" . "src emacs-lisp")
	  ("p" . "src python")
	  ("l" . "src lisp")
	  ("b" . "src bash")
	  ("q" . "QUOTE")))

  ;;Auto tangle
  (add-hook 'org-mode-hook 'org-auto-tangle-mode)
#+end_src
** Org-download
#+begin_src emacs-lisp
  (when (or (eq is-zeus t)
	    (eq is-hermes t))
    (setq org-download-screenshot-method "grim -g \"$(slurp)\" %s"))
#+end_src

* Memorize
#+begin_src emacs-lisp
  ;; (when is-zeus
  ;;   (load-file "~/Developer/memorize/memorize.el"))
#+end_src
* Markdown
** Theme
#+begin_src emacs-lisp
  (defun thanos/markdown-theme ()
    (interactive)
    (dolist
	(face
	 '(markdown-header-face-1 :height 2.0))))
#+end_src
** Settings
#+begin_src emacs-lisp
  (require 'markdown-mode)
  (setq markdown-header-scaling t)
  (add-to-list 'auto-mode-alist '("\\.md\\'" . gfm-mode))
  (setq markdown-command "multimarkdown")
#+end_src
* DevTools
** Essentials
#+begin_src emacs-lisp
  (electric-pair-mode 1)
  (auto-insert-mode 1)
  (global-flycheck-mode)
  (global-set-key (kbd "M-.") 'xref-find-definitions)
  (global-set-key (kbd "C-c l") 'display-line-numbers-mode)


  (require 'company)
  (add-hook 'after-init-hook 'global-company-mode)
  (define-key company-active-map (kbd "TAB") 'company-indent-or-complete-common)
  (setq company-idle-delay
	(lambda () (if (company-in-string-or-comment) nil 0.0)))

  (require 'company-box)
  (add-hook 'company-mode-hook 'company-box-mode)

  (setq indent-tabs-mode nil)

  (defun insert-brackets (&optional arg)
    (interactive "P")
    (insert-pair arg ?\[ ?\]))

  (global-set-key (kbd "C-x M-[") 'insert-brackets)
#+end_src
** Magit
#+begin_src emacs-lisp
  (require 'magit)
  (setq magit-display-buffer-function #'magit-display-buffer-same-window-except-diff-v1)
  (define-prefix-command 'thanos/magit)
  (global-set-key (kbd "C-c g") 'thanos/magit)
  (define-key thanos/magit (kbd "c") 'magit-clone)
#+end_src

** Auto-insertions
+ Shell scripting/bash 
#+begin_src emacs-lisp
  (define-auto-insert '("\\.sh\\'" . "Bash skeleton")
    '("Description:" \n
      "#!/bin/bash"))
  (add-hook 'shell-script-mode #'auto-insert)
#+end_src
** Emacs lisp
#+begin_src emacs-lisp
  (setq tab-always-indent 'complete)
  (add-to-list 'completion-styles 'initials t)

  (add-hook 'emacs-lisp-mode-hook #'rainbow-delimiters-mode)
  (add-hook 'emacs-lisp-mode-hook #'company-mode)
  (add-hook 'emacs-lisp-mode-hook #'display-line-numbers-mode)

  ;; Disable checkdoc flycheck for org-src buffers
  (add-hook 'org-src-mode-hook #'(lambda ()
				   (flycheck-disable-checker 'emacs-lisp-checkdoc)))
#+end_src
** Common Lisp
#+begin_src emacs-lisp
  (setq inferior-lisp-program "sbcl")
  (add-hook 'lisp-mode-hook #'rainbow-delimiters-mode)
  (add-hook 'lisp-mode-hook #'company-mode)
  (add-hook 'lisp-mode-hook #'display-line-numbers-mode)
#+end_src
** Scheme
#+begin_src emacs-lisp
  (add-hook 'scheme-mode-hook #'rainbow-delimiters-mode)
  (add-hook 'scheme-mode-hook #'company-mode)
#+end_src
** LSP
#+begin_src emacs-lisp
  (defun thanos/lsp-mode-setup ()
    (setq lsp-headerline-breadcrumb-segments '(path-up-to-project file symbols))
    (lsp-headerline-breadcrumb-mode))

  (require 'lsp-mode)
  (add-hook 'lsp-mode #'thanos/lsp-mode-setup)
  (setq lsp-keymap-prefix "C-c l")
  (lsp-enable-which-key-integration t)

  (require 'lsp-ui)
  (add-hook 'lsp-mode 'lsp-ui-mode)
  (setq lsp-ui-doc-position 'bottom)
#+end_src
** Python
#+begin_src emacs-lisp
  ;; set pylsp with lsp-mode
  (setq lsp-pyls-server-command "~/.local/bin/pylsp")

  ;;(require 'python-mode)
  (add-to-list 'auto-mode-alist '("\\.py\\'" . python-mode))
  (add-hook 'python-mode 'lsp-deferred)
#+end_src
** JSON
#+begin_src emacs-lisp
  (require 'json-mode)
  (add-to-list 'auto-mode-alist '("\\.json'" . json-mode))
#+end_src
* Elfeed
** Feeds
#+begin_src emacs-lisp
  (require 'elfeed)
  (require 'elfeed-goodies)
  (setq elfeed-feeds
	'(("https://hackaday.com/blog/feed/"
	   hackaday linux)
	  ("https://protesilaos.com/news.xml"
	   protesilaos)
	  ("https://protesilaos.com/codelog.xml"
	   proetesilaos)
	  ("https://guix.gnu.org/feeds/blog.atom"
	   gnu guix)
	  ("https://thanosapollo.com/posts/index.xml"
	   thanos)
	  ("http://nullprogram.com/feed/"
	   emacs linux)
	  ("https://drewdevault.com/blog/index.xml"
	   sourcehut drewdevault)
	  ("https://spacepub.space/feeds/videos.xml?videoChannelId=2"
	   drewdevault video)
	  ("https://odysee.com/$/rss/@DistroTube:2"
	   video dt)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UC7YOGHUfC1Tb6E4pudI9STA"
	   video mental)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCAiiOTio8Yu69c3XnR7nQBQ"
	   video daviwil)
	  ("https://videos.lukesmith.xyz/feeds/videos.atom?sort=-publishedAt&isLocal=true"
	   video luke)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCrc2iv2-G1FZ3VscM3zu2jg"
	   video zoogirl)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UC0uTPqBCFIpZxlz_Lv1tk_g"
	   video prot)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCq6VFHwMzcMXbuKyG7SQYIg"
	   video moist)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UC05XpvbHZUQOfA6xk4dlmcw"
	   video djware)
	  ("https://archlinux.org/feeds/news/"
	   ArchLinux Latest)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCsBjURrPoezykLs9EqgamOA"
	   fireship video)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCl-J-ovSJhA3or73Q2uVpow"
	   medicosperf video)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCSuHzQ3GrHSzoBbwrIq3LLA"
	   naomi video)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCqYPhGiB9tkShZorfgcL2lA"
	   WhatIveLearned video)
	  ("http://wikileaks.org/feed"
	   wikileaks)
	  ("https://hackernoon.com/feed"
	   hackernoon)
	  ("https://sachachua.com/blog/feed/"
	   sacha emacs)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCtMVHI3AJD4Qk4hcbZnI9ZQ"
	   video OrdinaeryGamers)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCl2mFZoRqjw_ELax4Yisf6w"
	   video Louis)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UC1yNl2E66ZzKApQdRuTQ4tw "
	   video sabine)
	  ("https://bits.debian.org/feeds/feed.rss"
	   debian linux)
	  ("https://torrentfreak.com/feed"
	   torrentfreak)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UCM6SlP9fiwPIjhkWmbg8Ojg"
	   video liberated-programmer)
	  ("https://odysee.com/$/rss/@seytonic:c"
	   video seytonic)
	  ("https://www.youtube.com/feeds/videos.xml?channel_id=UC1yNl2E66ZzKApQdRuTQ4tw"
	   video sabine)
	  ("https://wp.medscape.com/cx/rssfeeds/2700.xml"
	   med medscape)
	  ("https://nyxt.atlas.engineer/feed"
	   nyxt)))
#+end_src
** Watch Videos
Create function to watch videos using ~mpv~
#+begin_src emacs-lisp
  (defun elfeed-v-mpv (url)
    "Watch a video from URL in MPV"
    (start-process-shell-command "elfeed-video" nil (format "mpv \"%s\"" url)))

  (defun elfeed-view-mpv (&optional use-generic-p)
    "Youtube-feed link"
    (interactive "P")
    (let ((entries (elfeed-search-selected)))
      (cl-loop for entry in entries
	       do (elfeed-untag entry 'unread)
	       when (elfeed-entry-link entry)
	       do (elfeed-v-mpv it))
      (mapc #'elfeed-search-update-entry entries)
      (unless (use-region-p) (forward-line))))
#+end_src
** Settings & Keys
#+begin_src emacs-lisp
  (define-key elfeed-search-mode-map (kbd "v") 'elfeed-view-mpv)
  (define-key elfeed-search-mode-map (kbd "U") 'elfeed-update)
  (define-key thanos/applications-map (kbd "f") 'elfeed)

  (setq elfeed-goodies/entry-pane-size 0.55)
  (elfeed-goodies/setup)
#+end_src

* mu4e 
** Setting up mail
#+begin_src emacs-lisp
  (require 'smtpmail)
  (require 'mu4e)

  (when is-zeus (setq mu4e-update-interval (* 10 60)))

  (setq mu4e-get-mail-command "mbsync -a")

  (defun set-mu4e-context (context-name full-name mail-address signature)
    "Return a mu4e context named CONTEXT-NAME with :match-func matching
      folder name CONTEXT-NAME in Maildir. The context's `user-mail-address',
      `user-full-name' and `mu4e-compose-signature'`smtpmail-smpt-server' is set to MAIL-ADDRESS
      FULL-NAME SIGNATURE and SERVER respectively.
      Special folders are set to context specific folders."
    (let ((dir-name (concat "/" context-name)))
      (make-mu4e-context
       :name context-name
       ;; we match based on the maildir of the message
       :match-func
       `(lambda (msg)
	  (when msg
	    (string-match-p
	     ,(concat "^" dir-name)
	     (mu4e-message-field msg :maildir))))
       :vars
       `((user-mail-address    . ,mail-address)
	 (user-full-name       . ,full-name)
	 (mu4e-sent-folder     . ,(concat dir-name "/Sent"))
	 (mu4e-drafts-folder   . ,(concat dir-name "/Drafts"))
	 (mu4e-trash-folder    . ,(concat dir-name "/Trash"))
	 (mu4e-trash-folder    . ,(concat dir-name "/Starred"))
	 (mu4e-refile-folder   . ,(concat dir-name "/Archive"))
	 (mu4e-compose-signature . ,signature)))))
  ;;Fixing duplicate UID errors when using mbsync and mu4e
  (setq mu4e-change-filenames-when-moving t)

  (setq mu4e-maildir-shortcuts
	'(("/Public/Inbox" . ?I)
	  ("/Inbox" . ?i)
	  ("/Sent" . ?s)
	  ("/Emacs/dev" . ?e)
	  ("/Guix/dev" . ?g)))

  (setq mu4e-contexts
	(list
	 (make-mu4e-context
	  :name "Fastmail"
	  :match-func
	  (lambda (msg)
	    (when msg
	      (string-prefix-p "/" (mu4e-message-field msg :maildir))))
	  :vars '((user-mail-address . "thanosapollo@fastmail.com")
		  (user-full-name    . "Thanos Apollo")
		  (mu4e-drafts-folder  . "/Drafts")
		  (mu4e-sent-folder  . "/Sent")
		  (mu4e-refile-folder  . "/Archive")
		  (mu4e-trash-folder  . "/Trash")))
	 (make-mu4e-context
	  :name "Public"
	  :match-func
	  (lambda (msg)
	    (when msg
	      (string-prefix-p "/" (mu4e-message-field msg :maildir))))
	  :vars '((user-mail-address . "public@thanosapollo.com")
		  (user-full-name    . "Thanos Apollo")
		  (mu4e-drafts-folder  . "/Drafts")
		  (mu4e-sent-folder  . "/Sent")
		  (mu4e-refile-folder  . "/Archive")
		  (mu4e-trash-folder  . "/Trash")))))

  (setq message-send-mail-function 'smtpmail-send-it
	smtpmail-smtp-server "smtp.fastmail.com"
	smtpmail-smtp-service 465
	smtpmail-stream-type 'ssl
	mu4e-compose-signature "Thanos Apollo\nhttps://thanosapollo.com"
	mu4e-compose-context-policy 'ask
	mu4e-compose-format-flowed t)

  (setq mu4e-view-actions
	(delete-dups
	 (append
	  '(("gapply git patches" . mu4e-action-git-apply-patch)
	    ("mgit am patch" . mu4e-action-git-apply-mbox)
	    ("bb4 am patch" . mu4e-action-git-apply-b4)
	    ("ssetup reword list with b4" . mu4e-action-setup-reword-b4)
	    ("crun checkpatch script" . my-mu4e-action-run-check-patch)
	    ("MCheck if merged" . my-mu4e-action-check-if-merged)))))
#+end_src
** Actions
#+begin_src emacs-lisp
  (setq mu4e-view-actions
	(delete-dups
	 (append
	  '(("gapply git patches" . mu4e-action-git-apply-patch)
	    ("mgit am patch" . mu4e-action-git-apply-mbox)
	    ("bb4 am patch" . mu4e-action-git-apply-b4)
	    ("ssetup reword list with b4" . mu4e-action-setup-reword-b4)
	    ("crun checkpatch script" . my-mu4e-action-run-check-patch)
	    ("MCheck if merged" . my-mu4e-action-check-if-merged)))))
#+end_src
** Notifications/Style
#+begin_src emacs-lisp
  (require 'mu4e-alert)
  (mu4e-alert-enable-mode-line-display)
#+end_src
** Keybindings
#+begin_src emacs-lisp
  (define-key thanos/applications-map (kbd "m") 'mu4e)
#+end_src

* Eshell
** Configuration with Eat
#+begin_src emacs-lisp
  (setq eshell-visual-commands '())
  (eat-eshell-mode 1)
#+end_src
** Environment
#+begin_src emacs-lisp
  (setenv "EDITOR" "emacsclient -n")
  (setenv "DEBEMAIL" "public@thanosapollo.com")
  (setenv "DEBNAME" "Thanos Apollo")
#+end_src
** Completions
#+begin_src emacs-lisp
  ;;;; sudo completion
  (defun pcomplete/sudo ()
    "Completion rules for the `sudo' command."
    (let ((pcomplete-ignore-case t))
      (pcomplete-here (funcall pcomplete-command-completion-function))
      (while (pcomplete-here (pcomplete-entries)))))

  ;;;; systemctl completion
  (defcustom pcomplete-systemctl-commands
    '("disable" "enable" "status" "start" "restart" "stop" "reenable"
      "list-units" "list-unit-files")
    "p-completion candidates for `systemctl' main commands"
    :type '(repeat (string :tag "systemctl command"))
    :group 'pcomplete)

  (defvar pcomplete-systemd-units
    (split-string
     (shell-command-to-string
      "(systemctl list-units --all --full --no-legend;systemctl list-unit-files --full --no-legend)|while read -r a b; do echo \" $a\";done;"))
    "p-completion candidates for all `systemd' units")

  (defvar pcomplete-systemd-user-units
    (split-string
     (shell-command-to-string
      "(systemctl list-units --user --all --full --no-legend;systemctl list-unit-files --user --full --no-legend)|while read -r a b;do echo \" $a\";done;"))
    "p-completion candidates for all `systemd' user units")

  (defun pcomplete/systemctl ()
    "Completion rules for the `systemctl' command."
    (pcomplete-here (append pcomplete-systemctl-commands '("--user")))
    (cond ((pcomplete-test "--user")
	   (pcomplete-here pcomplete-systemctl-commands)
	   (pcomplete-here pcomplete-systemd-user-units))
	  (t (pcomplete-here pcomplete-systemd-units))))

  ;;;; man completion
  (defvar pcomplete-man-user-commands
    (split-string
     (shell-command-to-string
      "apropos -s 1 .|while read -r a b; do echo \" $a\";done;"))
    "p-completion candidates for `man' command")

  (defun pcomplete/man ()
    "Completion rules for the `man' command."
    (pcomplete-here pcomplete-man-user-commands))

  ;; hut completion
  (defcustom pcomplete-hut-commands
    '("builds" "export" "git" "graphql" "lists" "help" "hg"
      "init" "meta" "pages" "paste" "todo")
    "p-completion candidates for `hut' main commands"
    :type '(repeat (string :tag "hut command"))
    :group 'pcomplete)

  (defun pcomplete/hut ()
    "Completion rules for `hut' command"
    (pcomplete-here (append pcomplete-hut-commands)))
#+end_src
** Aliases & Paths
#+begin_src emacs-lisp
  (setq thanos/eshell-aliases
	'((g . magit)
	  (gl . magit-log)
	  (d . dired)
	  (o . find-file)	
	  (oo . find-file-other-window)
	  (ll . (lambda () (eshell/ls '-la)))
	  (eshell/clear . eshell/clear-scrollback)))

  ;; Define aliases using `mapc`
  (mapc (lambda (alias)
	  (defalias (car alias) (cdr alias)))
	thanos/eshell-aliases)

  ;; PATH 
  (defvar eshell-path-env (getenv "~/.local/bin"))
#+end_src
** Prompt
#+begin_src emacs-lisp
  (require 'eshell-git-prompt)
  ;; customize multiline theme 
  (defun eshell-git-prompt-multiline ()
    "Eshell Git prompt inspired by spaceship-prompt."
    (let (separator hr dir git git-dirty time sign command)
      (setq separator (with-face " | " 'eshell-git-prompt-multiline-secondary-face))
      (setq hr (with-face (concat "\n" (make-string (/ (window-total-width) 2) ?─) "\n") 'eshell-git-prompt-multiline-secondary-face))
      (setq dir
	    (concat
	     (concat  (abbreviate-file-name (eshell/pwd)))))
      (setq git
	    (concat (with-face "⎇" 'eshell-git-prompt-exit-success-face)
		    (concat (eshell-git-prompt--branch-name))))
      (setq git-dirty
	    (when (eshell-git-prompt--branch-name)
	      (if (eshell-git-prompt--collect-status)
		  (with-face " ✎" 'eshell-git-prompt-modified-face)
		(with-face " ✔" 'eshell-git-prompt-exit-success-face))))
      (setq time (with-face (format-time-string "%I:%M:%S %p") 'eshell-git-prompt-multiline-secondary-face))
      (setq sign
	    (if (= (user-uid) 0)
		(with-face "\n#" 'eshell-git-prompt-multiline-sign-face)
	      (with-face "\nλ" 'eshell-git-prompt-multiline-sign-face)))
      (setq command (with-face " " 'eshell-git-prompt-multiline-command-face))


      (eshell-git-prompt---str-read-only
       (concat hr dir separator git git-dirty separator time sign command))))

  (eshell-git-prompt-use-theme 'multiline)

  (eshell-syntax-highlighting-global-mode 1)

  (setq eshell-highlight-prompt t)
#+end_src
** Multi Eshell
#+begin_src emacs-lisp
  (defun if-void (arg default)
    (if (boundp arg)
	(eval arg)
      default
      ))

  (defgroup multi-eshell nil
    "Simple support for having multiple shells open."
    :group 'languages)

  (defcustom multi-eshell-shell-function '(eshell)
    "Command called to create shell"
    :group 'multi-eshell)

  (defcustom multi-eshell-name "*eshell*" "The name of the buffer opened by the shell command."
    :type 'string
    :group 'multi-eshell)

  (defun multi-eshell-function () "This function opens the appropriate shell." (eval multi-eshell-shell-function) )
  ;;;(defvar multi-eshell-function `(shell) ) ;;; Defines the shell. ('shell) or ('eshell)
					  ;(defvar multi-eshell-name "*eshell*") ;;; Name of default shell or eshell buffer

  (defvar multi-eshell-ring (make-ring 100) "This stores a bunch of buffers, which are shells created by multi-eshell." )
  (setq multi-eshell-index 0 )
  (defvar multi-eshell-last-buffer nil)

  (defun multi-eshell-is-current-buffer-current-multi-eshell (&optional ignored)
    "Checks if current buffer is the current multi-eshell."
    (eq (current-buffer) (ring-ref multi-eshell-ring multi-eshell-index))
    )

  (defun multi-eshell-switch-to-current-shell (&optional ignored)
    "Switch to shell buffer."
    (if (buffer-live-p (ring-ref multi-eshell-ring multi-eshell-index))
	(switch-to-buffer (ring-ref multi-eshell-ring multi-eshell-index))
      )
    )

  (defun multi-eshell-current-shell (&optional ignored)
    "Returns the current multi-eshell."
    (ring-ref multi-eshell-ring multi-eshell-index)
    )

  (defun multi-eshell-switch-to-next-live-shell (&optional ignored)
    "Switches to the next live shell. Creates one if none exists."
    (interactive "p")
    (let ((still-looking t)
	  (empty nil))
      (while (and still-looking (not empty))
	(if (ring-empty-p multi-eshell-ring)
	    (progn
	      (setq empty t)
	      (multi-eshell 1)
	      )
	  (progn
	    (if (buffer-live-p (ring-ref multi-eshell-ring multi-eshell-index))
		(progn
		  (setq multi-eshell-index (+ multi-eshell-index 1))
		  (switch-to-buffer (ring-ref multi-eshell-ring multi-eshell-index))
		  (setq still-looking nil)
		  )
	      (ring-remove multi-eshell-ring multi-eshell-index)
	      )
	    )
	  )
	)
      )
    )

  ;;;###autoload
  (defun multi-eshell-go-back (&optional ignored)
    "Switch to buffer multi-eshell-last-buffer."
    (interactive "p")
    (if (buffer-live-p multi-eshell-last-buffer)
	(switch-to-buffer multi-eshell-last-buffer)
      (message "Last buffer visited before multi-eshell is gone. Nothing to go back to..")
      ))


  ;;;###autoload
  (defun multi-eshell-switch (&optional ignored)
    "If current buffer is not an multi-eshell, switch to current multi-eshell buffer. Otherwise, switch to next multi-eshell buffer."
    (interactive "p")
    (progn
      (setq multi-eshell-last-buffer (current-buffer))
      (let ((still-looking t)
	    (empty nil))
	(if (ring-empty-p multi-eshell-ring)
	    (multi-eshell 1)
	  (if (and (buffer-live-p (multi-eshell-current-shell) )
		   (not (eq (multi-eshell-current-shell) (current-buffer))))
	      (switch-to-buffer (multi-eshell-current-shell))
	    (multi-eshell-switch-to-next-live-shell)
	    )
	  )
	)))

  ;;;###autoload
  (defun multi-eshell (&optional numshells)
    "Creates a shell buffer. If one already exists, this creates a new buffer, with the name '*shell*<n>', where n is chosen by the function generate-new-buffer-name."
    (interactive "p")
    (progn
      (setq multi-eshell-last-buffer (current-buffer))
      (dotimes (i (if-void 'numshells 1) nil)
	(let ( (tempname (generate-new-buffer-name "*tempshell*"))
	       (new-buff-name (generate-new-buffer-name multi-eshell-name))
	       (localdir default-directory)
	       )
	  (if (eq (get-buffer multi-eshell-name) nil) ;If a
	      (progn
		(multi-eshell-function)
					  ;(process-send-string (get-buffer-process new-buff-name) (concat "cd " localdir "\n"))
		(ring-insert multi-eshell-ring (current-buffer) )
		(setq multi-eshell-index (+ multi-eshell-index 1))
		)
	    (progn
	      (interactive)
	      (multi-eshell-function)
	      (rename-buffer tempname)
	      (multi-eshell-function)
	      (rename-buffer new-buff-name )
	      (switch-to-buffer tempname)
	      (rename-buffer multi-eshell-name)
	      (switch-to-buffer new-buff-name)
					  ;(process-send-string (get-buffer-process new-buff-name) (concat "cd " localdir "\n"))
	      (ring-insert multi-eshell-ring (current-buffer) )
	      (setq multi-eshell-index (+ multi-eshell-index 1))
	      )
	    )
	  )
	)
      )
    )

  (defun shell-with-name (name)
    "Creates a shell with name given by the first argument, and switches to it. If a buffer with name already exists, we simply switch to it."
    (let ((buffer-of-name (get-buffer name))
	  (tempname (generate-new-buffer-name "*tempshell*") ) )
      (cond ((bufferp buffer-of-name) ;If the buffer exists, switch to it (assume it is a shell)
	     (switch-to-buffer name))
	    ( (bufferp (get-buffer multi-eshell-name))
	      (progn
		(multi-eshell-function)
		(rename-buffer tempname)
		(multi-eshell-function)
		(rename-buffer name)
		(switch-to-buffer tempname)
		(rename-buffer multi-eshell-name)
		(switch-to-buffer name)))
	    ( t
	      (progn
		(multi-eshell-function)
		(rename-buffer name))))))
#+end_src
** Keybindings
#+begin_src emacs-lisp
  (define-prefix-command 'thanos/eshell-map)
  (global-set-key (kbd "C-c e") 'thanos/eshell-map)

  (define-key thanos/eshell-map (kbd "o") 'multi-eshell)
  (define-key thanos/eshell-map (kbd "n") 'multi-eshell-switch)
#+end_src
* Vterm
#+begin_src emacs-lisp
  (defvar thanos/vterm-map (make-sparse-keymap))
  (define-prefix-command 'thanos/vterm-map)
  (define-key global-map (kbd "C-c v") 'thanos/vterm-map)
  (define-key thanos/vterm-map (kbd "n") 'multi-vterm-next)
  (define-key thanos/vterm-map (kbd "p") 'multi-vterm-prev)
  (define-key thanos/vterm-map (kbd "d") 'multi-vterm-dedicated-open)
  (define-key thanos/vterm-map (kbd "o") 'multi-vterm)
#+end_src
* Chatgpt
#+begin_src emacs-lisp
  (require 'gptel)
  (define-key 'thanos/applications-map (kbd "c") 'gptel-send)
  (setq gptel-api-key (password-store-get "chatgpt/api")
	gptel-model 'gpt-4-32k)
#+end_src
* Multimedia
** YeeTube
#+begin_src emacs-lisp
  (when is-zeus
    (load-file "~/Developer/yeetube.el/yeetube.el"))
  (require 'yeetube)

  (setq yeetube-results-limit 30
	yeetube-mpv-disable-video t)

  (define-prefix-command 'thanos/yeetube)
  (global-set-key (kbd "C-c y") 'thanos/yeetube)
  (define-key thanos/yeetube (kbd "s") 'yeetube-search)
  (define-key thanos/yeetube (kbd "b") 'yeetube-play-saved-video)
  (define-key thanos/yeetube (kbd "d") 'yeetube-download-videos)
  (define-key thanos/yeetube (kbd "p") 'yeetube-mpv-toggle-pause)
  (define-key thanos/yeetube (kbd "C-p") 'yeetube-mpv-toggle-video)
  (define-key thanos/yeetube (kbd "k") 'yeetube-remove-saved-video)
  (define-key thanos/yeetube (kbd "u") 'yeetube-change-platform)

  (define-key yeetube-mode-map (kbd "c") 'yeetube-switch-mpv)
#+end_src

+ Use ~ffmpeg~ to download videos
  
#+begin_src emacs-lisp
    (defun yeetube-download-videos-ffmpeg ()
      "Download one or multiple videos using yt-dlp.
    This command is not meant to be used in the *Yeetube Search* buffer.

    Usage Example:
    Open a Dired buffer and navigate where you want to download your videos,
    then run this command interactively.  You can leave the 'Custom name:'
    prompt blank to keep the default name."
      (interactive)
      (let ((url "")
	    (name "")
	    (download-counter 1)
	    (stored-contents nil))
	;; Read links and names until "q" is entered
	(while (not (string= url "q"))
	  (setq url (read-string "Enter URL (q to quit): "))
	  (unless (string= url "q")
	    (setq name (read-string (format "Custom name (download counter: %d) " download-counter)))
	    (push (cons url name) stored-contents)
	    (setq download-counter (1+ download-counter))))
	;; Process the collected links and names
	(dolist (pair stored-contents)
	  (let ((url (car pair))
		(name (cdr pair)))
	    (call-process-shell-command
	     (format
	      "ffmpeg -protocol_whitelist file,crypto,data,https,tls,tcp -stats -i '%s' -codec copy '%s.mp4'"
	      url
	      (shell-quote-argument name)))))))
#+end_src
** EMMS
#+begin_src emacs-lisp
  (require 'emms)
  (emms-all)
  (setq emms-player-list '(emms-player-mpv)
	emms-player-mpv-parameters '("--no-video")
	emms-info-functions '(emms-info-native)
	emms-playlist-buffer-name "*Music*"
	emms-source-file-default-directory "~/Music/jazz")
  (define-key 'thanos/applications-map (kbd "e") 'emms)
  (define-key emms-playlist-mode-map (kbd "A") 'emms-add-directory-tree)
#+end_src
* Chat
** Ement
#+begin_src emacs-lisp
  (defun ement-login ()
    (interactive)
    (ement-connect
     :user-id "@thanos_apollon:matrix.org"
     :password (password-store-get "matrix/thanos_apollon")
     :uri-prefix "https://matrix-client.matrix.org"))

  (define-key thanos/applications-map (kbd "M-e") 'ement-login)
#+end_src
** ERC
#+begin_src emacs-lisp
  ;;; Code:
  (require 'erc)

  (setq erc-modules
	'(sasl netsplit fill button match track completion readonly
  networks ring autojoin noncommands irccontrols move-to-prompt stamp
  menu list))

  (defun erc-libera ()
    (interactive)
    "Login to liberachat with erc."
    (erc-tls :server "irc.libera.chat" :port 6697
	     :nick "thanosapollo"
	     :user "thanosapollo"
	     :password (password-store-get "liberachat/thanos_apollo")))


  (define-key thanos/applications-map (kbd "i") 'erc-libera)
#+end_src
** Telega
#+begin_src emacs-lisp
  (require 'telega)
  (add-hook 'telega-root-mode-hook 'emojify-mode)
#+end_src
* Extras
** StumpWM
#+begin_src emacs-lisp
  (require 'stumpwm-mode)
  (setq stumpwm-shell-program "~/.stumpwm.d/modules/util/stumpish/stumpish")
#+end_src
** pdf-tools
#+begin_src emacs-lisp
  (require 'pdf-tools)
  (pdf-tools-install)
  ;;Add pdf-isearch-minor-mode hook, otherwise isearch will be buggy
  ;;Darkmode hook, cause I don't want color or light in my life, I'm a vampire.
  (add-hook 'pdf-view-mode-hook 'pdf-isearch-minor-mode)
  (add-hook 'pdf-view-mode-hook 'pdf-view-midnight-minor-mode)
  (add-to-list 'auto-mode-alist '("\\.pdf\\'" . 'pdf-view-mode))
#+end_src
** nov
#+begin_src emacs-lisp
  (add-to-list 'auto-mode-alist '("\\.epub\\'" . nov-mode))

  (defun my-nov-font-setup ()
    (face-remap-add-relative 'variable-pitch
			     :family "Jetbrains Mono"
			     :height 100))
  (add-hook 'nov-mode-hook 'my-nov-font-setup)
#+end_src
** Random functions
#+begin_src emacs-lisp
  (defun thanos/center-buffer ()
    "Centers/Uncenters selected buffer"
    (interactive)
    (if visual-fill-column-center-text
	(setq visual-fill-column-center-text nil)
      (setq visual-fill-column-center-text t))
    (visual-fill-column-mode 1))


  (defun thanos/rofi-switch-window ()
    "Navigate X11 buffers using rofi."
    (interactive)
    (start-process-shell-command
     "rofi" nil "rofi -show window"))

  (defun thanos/run-in-background (command)
    "Run COMMAND in the background."
    (let ((command-parts (split-string command "[ ]+")))
      (apply #'call-process `(,(car command-parts) nil 0 nil ,@(cdr command-parts)))))

  (defun rofi ()
    "Run Rofi."
    (interactive)
    (thanos/run-in-background "rofi -show drun"))

  (defun thanos/volume-increase ()
    "Increase Volume."
    (interactive)
    (start-process-shell-command
     "amixer" nil "amixer sset Master 5%+"))

  (defun thanos/volume-decrease ()
    "Decrease Volume."
    (interactive)
    (start-process-shell-command
     "amixer" nil "amixer sset Master 5%-"))

  (defun thanos/restore-wallpaper ()
    "Set NAME as wallpaper."
    (interactive)
    (start-process-shell-command
     "feh" nil  "feh --bg-scale ~/dotfiles/wallpaper.png"))

  (defun thanos/emacs-keys ()
    "Swap caps with ctrl."
    (interactive)
    (start-process-shell-command
     "setxkbmap" nil "setxkbmap us -option ctrl:swapcaps"))

  (defun thanos/greek-keyboard ()
    "Swap caps with ctrl."
    (interactive)
    (start-process-shell-command
     "setxkbmap" nil "setxkbmap gr"))

  (defun thanos/exwm-update-class ()
    (exwm-workspace-rename-buffer exwm-class-name))

  (defun eshell-new()
    "Open a new instance of eshell."
    (interactive)
    (eshell 'N))

  (defun make-mini-geiser ()
    (interactive)
    (split-window-below 60)
    (geiser nil))

  (defun start-polybar ()
    "Check which system is running, start polybar accordingly."
    (interactive)
    (if (string= (system-name) "fsociety")
	(start-process-shell-command
	 "polybar" nil "polybar main & polybar second")
      (start-process-shell-command
       "polybar" nil "polybar main")))

  (defun create-text-scratch ()
    "create a scratch buffer"
    (interactive)
    (switch-to-buffer (get-buffer-create "*Text Scratch*"))
    (markdown-mode)
    (gptel-mode))

  (define-key Create (kbd "t") 'create-text-scratch)

  (defun create-scratch ()
    (interactive)
    (switch-to-buffer (get-buffer-create "*scratch*"))
    (emacs-lisp-mode))

  (defun thanos/frame ()
    (let ((frame (make-frame '((minibuffer . only)))))
      (set-frame-height frame 300)
      (set-frame-width frame 800)
      (counsel-linux-app)
      frame))

  (define-key Create (kbd "e") 'create-scratch)
  ;; 
#+end_src