(beacon-mode 1)

(map! :leader
      (:prefix ("b". "buffer")
       :desc "List bookmarks" "L" #'list-bookmarks
       :desc "Save current bookmarks to bookmark file" "w" #'bookmark-save))

(global-auto-revert-mode 1)
(setq global-auto-revert-non-file-buffers t)

(evil-define-key 'normal ibuffer-mode-map
  (kbd "f c") 'ibuffer-filter-by-content
  (kbd "f d") 'ibuffer-filter-by-directory
  (kbd "f f") 'ibuffer-filter-by-filename
  (kbd "f m") 'ibuffer-filter-by-mode
  (kbd "f n") 'ibuffer-filter-by-name
  (kbd "f x") 'ibuffer-filter-disable
  (kbd "g h") 'ibuffer-do-kill-lines
  (kbd "g H") 'ibuffer-update)

;; https://stackoverflow.com/questions/9547912/emacs-calendar-show-more-than-3-months
(defun drk/year-calendar (&optional year)
  (interactive)
  (require 'calendar)
  (let* (
      (current-year (number-to-string (nth 5 (decode-time (current-time)))))
      (month 0)
      (year (if year year (string-to-number (format-time-string "%Y" (current-time))))))
    (switch-to-buffer (get-buffer-create calendar-buffer))
    (when (not (eq major-mode 'calendar-mode))
      (calendar-mode))
    (setq displayed-month month)
    (setq displayed-year year)
    (setq buffer-read-only nil)
    (erase-buffer)
    ;; horizontal rows
    (dotimes (j 4)
      ;; vertical columns
      (dotimes (i 3)
        (calendar-generate-month
          (setq month (+ month 1))
          year
          ;; indentation / spacing between months
          (+ 5 (* 25 i))))
      (goto-char (point-max))
      (insert (make-string (- 10 (count-lines (point-min) (point-max))) ?\n))
      (widen)
      (goto-char (point-max))
      (narrow-to-region (point-max) (point-max)))
    (widen)
    (goto-char (point-min))
    (setq buffer-read-only t)))

(defun drk/scroll-year-calendar-forward (&optional arg event)
  "Scroll the yearly calendar by year in a forward direction."
  (interactive (list (prefix-numeric-value current-prefix-arg)
                     last-nonmenu-event))
  (unless arg (setq arg 0))
  (save-selected-window
    (if (setq event (event-start event)) (select-window (posn-window event)))
    (unless (zerop arg)
      (let* (
              (year (+ displayed-year arg)))
        (drk/year-calendar year)))
    (goto-char (point-min))
    (run-hooks 'calendar-move-hook)))

(defun drk/scroll-year-calendar-backward (&optional arg event)
  "Scroll the yearly calendar by year in a backward direction."
  (interactive (list (prefix-numeric-value current-prefix-arg)
                     last-nonmenu-event))
  (drk/scroll-year-calendar-forward (- (or arg 1)) event))

(map! :leader
      :desc "Scroll year calendar backward" "<left>" #'drk/scroll-year-calendar-backward
      :desc "Scroll year calendar forward" "<right>" #'drk/scroll-year-calendar-forward)

(defalias 'year-calendar 'drk/year-calendar)

(map! :leader
      (:prefix ("c h" . "Help info from Clippy")
       :desc "Clippy describes function under point" "f" #'clippy-describe-function
       :desc "Clippy describes variable under point" "v" #'clippy-describe-variable))

;; With dired-open plugin, you can launch external programs for certain
;; extensions For example, I set all .png files to open in 'vimiv' and all .mp4
;; files to open in 'mpv'
(setq dired-open-extensions '(("gif" . "vimiv")
                              ("jpg" . "vimiv")
                              ("png" . "vimiv")
                              ("mkv" . "mpv")
                              ("mp4" . "mpv")))

(evil-define-key 'normal peep-dired-mode-map
  (kbd "j") 'peep-dired-next-file
  (kbd "k") 'peep-dired-prev-file)
(add-hook 'peep-dired-hook 'evil-normalize-keymaps)

(setq delete-by-moving-to-trash t
      trash-directory "~/.local/share/Trash/files/")

(setq doom-theme 'doom-gruvbox)
(map! :leader
      :desc "Load new theme" "h t" #'load-theme)

(use-package emojify
  :hook (after-init . global-emojify-mode))

(setq doom-font (font-spec :family "Mononoki Nerd Font" :size 18)
      doom-variable-pitch-font (font-spec :family "Mononoki Nerd Font" :size 18)
      doom-big-font (font-spec :family "Mononoki Nerd Font" :size 24))
(after! doom-themes
  (setq doom-themes-enable-bold t
        doom-themes-enable-italic t))
(custom-set-faces!
  '(font-lock-comment-face :slant italic)
  '(font-lock-keyword-face :slant italic))

(defun drk/insert-todays-date (prefix)
  (interactive "P")
  (let ((format (cond
                 ((not prefix) "%A, %B %d, %Y")
                 ((equal prefix '(4)) "%m-%d-%Y")
                 ((equal prefix '(16)) "%Y-%m-%d"))))
    (insert (format-time-string format))))

(require 'calendar)
(defun drk/insert-any-date (date)
  "Insert DATE using the current locale."
  (interactive (list (calendar-read-date)))
  (insert (calendar-date-string date)))

(map! :leader
      (:prefix ("i d" . "Insert date")
        :desc "Insert any date" "a" #'drk/insert-any-date
        :desc "Insert todays date" "t" #'drk/insert-todays-date))

(setq ivy-posframe-display-functions-alist
      '((swiper                     . ivy-posframe-display-at-point)
        (complete-symbol            . ivy-posframe-display-at-point)
        (counsel-M-x                . ivy-display-function-fallback)
        (counsel-esh-history        . ivy-posframe-display-at-window-center)
        (counsel-describe-function  . ivy-display-function-fallback)
        (counsel-describe-variable  . ivy-display-function-fallback)
        (counsel-find-file          . ivy-display-function-fallback)
        (counsel-recentf            . ivy-display-function-fallback)
        (counsel-register           . ivy-posframe-display-at-frame-bottom-window-center)
        (dmenu                      . ivy-posframe-display-at-frame-top-center)
        (nil                        . ivy-posframe-display))
      ivy-posframe-height-alist
      '((swiper . 20)
        (dmenu . 20)
        (t . 10)))
(ivy-posframe-mode 1) ; 1 enables posframe-mode, 0 disables it.

(map! :leader
      (:prefix ("v" . "Ivy")
       :desc "Ivy push view" "v p" #'ivy-push-view
       :desc "Ivy switch view" "v s" #'ivy-switch-view))

(setq display-line-numbers-type t)
(map! :leader
      :desc "Comment or uncomment lines" "TAB TAB" #'comment-line
      (:prefix ("t" . "toggle")
       :desc "Toggle line numbers" "l" #'doom/toggle-line-numbers
       :desc "Toggle line highlight in frame" "h" #'hl-line-mode
       :desc "Toggle line highlight globally" "H" #'global-hl-line-mode
       :desc "Toggle truncate lines" "t" #'toggle-truncate-lines))

(custom-set-faces
 '(markdown-header-face ((t (:inherit font-lock-function-name-face :weight bold :family "Mononoki Nerd Font"))))
 '(markdown-header-face-1 ((t (:inherit markdown-header-face :height 1.7))))
 '(markdown-header-face-2 ((t (:inherit markdown-header-face :height 1.6))))
 '(markdown-header-face-3 ((t (:inherit markdown-header-face :height 1.5))))
 '(markdown-header-face-4 ((t (:inherit markdown-header-face :height 1.4))))
 '(markdown-header-face-5 ((t (:inherit markdown-header-face :height 1.3))))
 '(markdown-header-face-6 ((t (:inherit markdown-header-face :height 1.2)))))

(set-face-attribute 'mode-line nil :font "Mononoki Nerd Font-14")
(setq doom-modeline-height 30     ;; sets modeline height
      doom-modeline-bar-width 5   ;; sets right bar width
      doom-modeline-persp-name t  ;; adds perspective name to modeline
      doom-modeline-persp-icon t) ;; adds folder icon next to persp name

(xterm-mouse-mode 1)

(map! :leader
      :desc "Toggle neotree" "e" #'neotree-toggle)
(setq neo-theme 'nerd)
(setq neo-smart-open t)
(setq projectile-switch-project-action 'neotree-projectile-action)

(map! :leader
      (:prefix ("=" . "open file")
       :desc "Edit agenda file" "a" #'(lambda () (interactive) (find-file "~/org/agenda.org"))
       :desc "Edit doom config.org" "c" #'(lambda () (interactive) (find-file "~/.config/doom/config.org"))
       :desc "Edit doom init.el" "i" #'(lambda () (interactive) (find-file "~/.config/doom/init.el"))
       :desc "Edit doom packages.el" "p" #'(lambda () (interactive) (find-file "~/.config/doom/packages.el"))))

(map! :leader
      :desc "Org babel tangle" "m B" #'org-babel-tangle)
(after! org
  (setq org-directory "~/org/"
        org-agenda-files '("~/org/agenda.org")
        org-default-notes-file (expand-file-name "notes.org" org-directory)
        org-ellipsis " ▼ "
        org-superstar-headline-bullets-list '("◉" "●" "○" "◆" "●" "○" "◆")
        org-superstar-item-bullet-alist '((?+ . ?➤) (?- . ?✦)) ; changes +/- symbols in item lists
        org-log-done 'time
        org-hide-emphasis-markers t
        ;; ex. of org-link-abbrev-alist in action
        ;; [[arch-wiki:Name_of_Page][Description]]
        org-link-abbrev-alist    ; This overwrites the default Doom org-link-abbrev-list
          '(("google" . "http://www.google.com/search?q=")
            ("arch-wiki" . "https://wiki.archlinux.org/index.php/")
            ("ddg" . "https://duckduckgo.com/?q=")
            ("wiki" . "https://en.wikipedia.org/wiki/"))
        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
             "GAME(j)"            ; Things to accomplish at the gym
             "PROJ(p)"           ; A project that contains other tasks
             "VIDEO(v)"          ; Video assignments
             "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)" )))) ; Task has been cancelled
   (setq org-agenda-custom-commands
         '(("p" "Priority view"
            ((tags "PRIORITY=\"A\""
                  ((org-agenda-skip-function '(org-agenda-skip-entry-if 'todo 'done))
                   (org-agenda-overriding-header "High priority unfinished tasks:")))
            (tags "PRIORITY=\"B\""
                  ((org-agenda-skip-function '(org-agenda-skip-entry-if 'todo 'done))
                   (org-agenda-overriding-header "Medium priority unfinished tasks:")))
            (tags "PRIORITY=\"C\""
                  ((org-agenda-skip-function '(org-agenda-skip-entry-if 'todo 'done))
                   (org-agenda-overriding-header "Low priority unfinished tasks:")))))
         ("i" "INTEC view"
            ((tags "homeworks"
                  ((org-agenda-skip-function '(org-agenda-skip-entry-if 'todo 'done))
                   (org-agenda-overriding-header "Pending homeworks:")))
            (tags "studies"
                  ((org-agenda-skip-function '(org-agenda-skip-entry-if 'todo 'done))
                   (org-agenda-overriding-header "Pending studies:")))
            (tags "exam"
                  ((org-agenda-skip-function '(org-agenda-skip-entry-if 'todo 'done))
                   (org-agenda-overriding-header "Pending exams:")))))
         ))

   (setq
    org-agenda-block-separator 985827
    org-fancy-priorities-list '("󰈼" "󰈻" "󰈽")
    org-priority-faces
        '((?A :foreground "#fb4934" :weight bold)
          (?B :foreground "#fabd2f" :weight bold)
          (?C :foreground "#83a598" :weight bold)))

(setq org-publish-use-timestamps-flag nil)
(setq org-export-with-broken-links t)

(use-package! org-auto-tangle
  :defer t
  :hook (org-mode . org-auto-tangle-mode)
  :config
  (setq org-auto-tangle-default t))

(define-globalized-minor-mode global-rainbow-mode rainbow-mode
  (lambda () (rainbow-mode 1)))
(global-rainbow-mode 1 )

(map! :leader
      (:prefix ("r" . "registers")
       :desc "Copy to register" "c" #'copy-to-register
       :desc "Frameset to register" "f" #'frameset-to-register
       :desc "Insert contents of register" "i" #'insert-register
       :desc "Jump to register" "j" #'jump-to-register
       :desc "List registers" "l" #'list-registers
       :desc "Number to register" "n" #'number-to-register
       :desc "Interactively choose a register" "r" #'counsel-register
       :desc "View a register" "v" #'view-register
       :desc "Window configuration to register" "w" #'window-configuration-to-register
       :desc "Increment register" "+" #'increment-register
       :desc "Point to register" "SPC" #'point-to-register))

(setq shell-file-name "/bin/bash"
      vterm-max-scrollback 5000)
(map! :leader
      :desc "Vterm popup toggle" "v t" #'+vterm/toggle)

(defun prefer-horizontal-split ()
  (set-variable 'split-height-threshold nil t)
  (set-variable 'split-width-threshold 40 t)) ; make this as low as needed
(add-hook 'markdown-mode-hook 'prefer-horizontal-split)
(map! :leader
      :desc "Clone indirect buffer other window" "b c" #'clone-indirect-buffer-other-window)

(map! :leader
      (:prefix ("w" . "window")
       :desc "Winner redo" "<right>" #'winner-redo
       :desc "Winner undo" "<left>" #'winner-undo))

(map! :leader
      :desc "Zap to char" "z" #'zap-to-char
      :desc "Zap up to char" "Z" #'zap-up-to-char)

(set-frame-parameter nil 'alpha-background 98) ; For current frame
(add-to-list 'default-frame-alist '(alpha-background . 98)) ; For all new frames henceforth