;;; -*- lexical-binding: t; -*-
;;; Commentary:
;;; Code:


;;;; utilities
;; desktop
(use-package desktop-environment
  :custom
  (desktop-environment-screenshot-directory (xdg-user-dir "PICTURES"))
  (desktop-environment-screenshot-command "flameshot full")
  (desktop-environment-screenshot-partial-command "flameshot launcher")
  (desktop-environment-volume-toggle-command "pactl set-sink-mute @DEFAULT_SINK@ toggle")
  (desktop-environment-volume-set-command "pactl set-sink-volume @DEFAULT_SINK@ %s")
  (desktop-environment-volume-get-command "pactl get-sink-volume @DEFAULT_SINK@ | head -n 1 | sed -e 's,.* \([0-9][0-9]*\)%.*,\1,'")
  (desktop-environment-volume-normal-decrement "-4%")
  (desktop-environment-volume-normal-increment "+4%")
  (desktop-environment-volume-decrement-slowly "-2%")
  (desktop-environment-volume-increment-slowly "+2%")
  (desktop-environment-volume-toggle-regexp nil))


(defun bd/exwm-update-class ()
  "Changes the buffer name to reflect the class name for
that buffer."
  (exwm-workspace-rename-buffer exwm-class-name))

(defun bd/exwm-init-hook ()
  "Make workspace 1 the default startup workspace."
  (exwm-workspace-switch-create 1))


;;;; bookmarks, passwords
(defun insert-bookmark ()
  "Inserts a url or string from permanent
bookmark file. If an x window, place in kill-ring."
  ;; note xdotool had issues with repeated keys when sending to windowid
  (interactive)
  (let ((url (car (last (split-string (choose-line-from-file "~/.local/bin/bookmarks.txt"))))))
    (if (exwm--buffer->id (current-buffer))
        (kill-new url)
      (insert url))))

(defun choose-line-from-file (file)
  "Uses completion-framework to allow user to
select a line from a file."
  (let* ((choices (read-file-into-list file)))
    (completing-read "Recall: " choices)))

(defun read-file-into-list (file)
  (with-current-buffer
      (find-file-noselect file)
    (split-string
     (save-restriction
       (widen)
       (buffer-substring-no-properties
        (point-min)
        (point-max)))
     "\n" t)))

(use-package password-store
  :custom
  (password-store-time-before-clipboard-restore 20))

(use-package exwm
  :config
  (add-hook 'exwm-init-hook #'bd/exwm-init-hook)
  (add-hook 'exwm-update-class-hook #'bd/exwm-update-class)
  ;; order is important
  ;; (dolist (k '(("s-B" "icecat")))
  ;;   (let ((f (lambda () (interactive)
  ;;              (save-window-excursion
  ;;                (start-process-shell-command (cadr k) nil (cadr k))))))
  ;; (exwm-input-set-key (kbd (car k)) f)
  ;; (define-key exwm-mode-map (kbd (car k)) f)))

  (define-key exwm-mode-map [?\C-q] 'exwm-input-send-next-key)
  (exwm-enable)
  (server-start)
  :custom
  (exwm-workspace-number 2) ;; two workspaces
  (exwm-input-prefix-keys
   '(?\C-x
     ?\C-u
     ?\C-g
     ?\C-h
     ?\C-z
     ?\C-`
     ?\M-x
     ?\M-`
     ?\M-&
     ?\M-:
     ))
  (exwm-input-global-keys
   `(([?\s-n] . other-window)
     ([?\s-p] . (lambda ()
                  (interactive)
                  (other-window -1)))
     ([?\s-L] . desktop-environment-lock-screen)
     ([f2] . desktop-environment-brightness-decrement)
     ([f3] . desktop-environment-toggle-mute)
     ([f5] . desktop-environment-volume-decrement)
     ([f6] . desktop-environment-volume-increment)
     ([f8] . desktop-environment-brightness-decrement)
     ([f9] . desktop-environment-brightness-increment)
     ([f9] . emms-previous)
     ([f10] . emms-next)
     ([print] . desktop-environment-screenshot-part)
     ([S-print] . desktop-environment-screenshot)
     ([?\s-O] . insert-bookmark)
     ([?\s-P] . password-store-copy)
     ([?\s-r] . exwm-reset)
     ([?\s-d] . toggle-current-window-dedication)
     ([?\s-q] . kill-current-buffer)
     ([?\s-x] . (lambda (command)
                  (interactive (list (read-shell-command "s-x ")))
                  (start-process-shell-command command nil command)))
     ,@(mapcar (lambda (i)
                 `(,(kbd (format "s-%d" i)) .
                   (lambda ()
                     (interactive)
                     (exwm-workspace-switch-create ,i))))
               (number-sequence 0 9))))
  (exwm-input-simulation-keys
   '(([?\C-b] . [left])
     ([?\C-f] . [right])
     ([?\C-p] . [up])
     ([?\C-n] . [down])
     ([?\C-a] . [home])
     ([?\C-e] . [end])
     ([?\M-v] . [prior])
     ([?\C-v] . [next])
     ([?\C-d] . [delete])
     ([?\C-k] . [S-end delete])
     ([?\M-w] . [C-c])
     ([?\C-y] . [C-v])))

  (exwm-workspace-show-all-buffers t)
  (exwm-layout-show-all-buffers t))

(defvar new-mode-line nil)
(defun set-new-mode-line ()
  "Return the current value of my-custom-variable for the mode line."
  (setq new-mode-line
        (replace-regexp-in-string
         "%" "%%"
         (format " %s  %s  %s"
                 (shell-command-to-string "mail-string")
                 (shell-command-to-string "power-string")
                 (shell-command-to-string "t1-string")))))

(defvar-local bd/external-mode-line
    '(:eval (when new-mode-line
              new-mode-line)))

(run-with-timer t 30 #'set-new-mode-line)
(add-to-list 'global-mode-string bd/external-mode-line)

(provide 'bd--exwm-windowing)
;;; bd-exwm ends here