emacs/init.el

;;; init.el -- My emacs config -*- lexical-binding: t -*-
;;; Commentary:
;; Moving my Emacs config from separate directory
;; To install packages on non-NixOS systems run `install.el'
;;; Code:

;; Customise `use-package' behaviour, must be set before first time
;; it's used
(setopt use-package-check-before-init t
        use-package-enable-imenu-support t)

;; Stop popups for warning messages, keep in log buffer
(setopt warning-minimum-level :error)

;; Configure packages archives, with priority, and list of installed
;; packages
(load-file (locate-user-emacs-file "lib/my-packages.el"))

(setq custom-file (locate-user-emacs-file "custom.el"))
(when (and custom-file
           (file-exists-p custom-file))
  (load custom-file nil 'nomessage))

(set-default-coding-systems 'utf-8)

(setq user-full-name "Evie Litherland-Smith"
      user-mail-address "evie@xenia.me.uk"
      inhibit-splash-screen t
      use-short-answers t
      tab-always-indent 'complete
      completion-cycle-threshold nil
      completions-detailed t
      kill-do-not-save-duplicates t)

(setq-default truncate-lines t
              truncate-partial-width-windows nil)

(setopt indent-tabs-mode nil
        async-shell-command-display-buffer nil
        compilation-scroll-output t)

(global-prettify-symbols-mode +1)
(global-auto-revert-mode +1)
(delete-selection-mode +1)
(tool-bar-mode -1)
(scroll-bar-mode -1)

(use-package pixel-scroll
  :init
  (pixel-scroll-precision-mode +1))

(use-package mwheel
  :custom
  (mouse-wheel-scroll-amount '(1 ((shift) . 1)))
  (mouse-wheel-progressive-speed nil)
  (mouse-wheel-follow-mouse t))

;; Bind normal forward/back buttons on mouse to next/previous buffer respectively
(keymap-global-set "<mouse-8>" #'previous-buffer)
(keymap-global-set "<mouse-9>" #'next-buffer)

;; Quick bind for calling `git-sync-all'
(defun my/git-sync-all ()
  "Run shell command `git-sync-all' asynchronously."
  (interactive)
  (async-shell-command "git-sync-all" "*git-sync-all*" "*git-sync-errors*"))
(keymap-global-set "C-c g s" #'my/git-sync-all)

;; Make shebang (#!) file executable when saved
(add-hook 'after-save-hook #'executable-make-buffer-file-executable-if-script-p)

;; Remap `upcase-word' and `downcase-word' to DWIM versions
(keymap-global-set "<remap> <upcase-word>" 'upcase-dwim)
(keymap-global-set "<remap> <downcase-word>" 'downcase-dwim)

(setq backup-directory-alist '(("." . "~/.local/state/emacs/backups")))

(use-package savehist
  :demand
  :config
  (savehist-mode +1))

(use-package dired
  :custom
  (dired-auto-revert-buffer t)
  (dired-dwim-target t))

(use-package recentf
  :config
  (run-at-time nil (* 5 60) 'recentf-save-list)
  (recentf-mode +1)
  :custom
  (recentf-max-saved-items 2048))

(use-package auth-source
  :custom
  (auth-sources '("secrets:Login")))

(use-package auth-source-pass
  :requires auth-source
  :config
  (auth-source-pass-enable))

;; Make `describe-*' screens more helpful
(use-package helpful
  :defines helpful-mode-map
  :bind (("<remap> <describe-command>" . helpful-command)
         ("<remap> <describe-function>" . helpful-callable)
         ("<remap> <describe-key>" . helpful-key)
         ("<remap> <describe-symbol>" . helpful-symbol)
         ("<remap> <describe-variable>" . helpful-variable)
         ("C-h F" . helpful-function)
         :map helpful-mode-map
         ("<remap> <revert-buffer>" . helpful-update)))

;; Bind extra `describe-*' commands
(keymap-global-set "C-h K" #'describe-keymap)

;; turn on spell checking, if available.
(use-package ispell
  :custom
  (ispell-dictionary "en_GB")
  (ispell-personal-dictionary (locate-user-emacs-file "dictionary")))

(use-package flyspell
  :hook ((text-mode . flyspell-mode)
         (prog-mode . flyspell-prog-mode))
  :init
  (require 'ispell)
  (require 'org)                        ; Fails without org-mode-map for some reason...
  :custom
  (flyspell-mode-line-string nil)
  (flyspell-use-meta-tab nil)
  :config
  (require 'flyspell-correct)
  (require 'consult-flyspell))

(use-package flyspell-correct
  :after flyspell
  :bind ( :map flyspell-mode-map
          ("C-;" . flyspell-correct-wrapper)))

(use-package consult-flyspell
  :after (consult flyspell)
  :bind ( :map flyspell-mode-map
          ("C-c s ;" . consult-flyspell))
  :custom
  (consult-flyspell-always-check-buffer t))

(use-package ibuffer
  :defines ibuffer-filter-groups
  :bind (("C-c b" . ibuffer)))

(use-package ace-window
  :bind (("<remap> <other-window>" . ace-window))
  :custom
  (aw-scope 'frame)
  (aw-keys '(?a ?s ?d ?f ?g ?h ?j ?k ?l)))

(use-package link-hint
  :bind (("C-c l o" . link-hint-open-link)
         ("C-c l c" . link-hint-copy-link)
         ("C-c l C-o" . link-hint-open-all-link)
         ("C-c l C-c" . link-hint-copy-all-link)))

(use-package avy
  :bind (("<remap> <goto-char>" . avy-goto-char)))

(use-package comint
  :bind ( :map comint-mode-map
          ("<remap> <comint-history-isearch-backward-regexp>" . consult-history)))

(use-package shell
  :bind (("C-c t s" . shell)))

(use-package eshell
  :bind (("C-c t e" . eshell))
  :config
  (require 'esh-mode))

(use-package esh-mode
  :defines eshell-mode-map
  :bind ( :map eshell-mode-map
          ("<remap> <eshell-previous-matching-input>" . consult-history)))

(use-package calc
  :bind (("<Calculator>" . calc)))

(use-package xref
  :custom
  (xref-show-definitions-function 'xref-show-definitions-completing-read))

(use-package appt
  :custom
  (appt-display-diary nil)
  (appt-display-format 'echo))

(use-package calendar
  :after appt
  :bind (("C-c >" . calendar))
  :hook ((calendar-today-visible . calendar-mark-today))
  :custom
  (calendar-date-style 'iso)
  (calendar-mark-holidays-flag t)
  (calendar-mark-diary-entries-flag nil)
  (calendar-view-holidays-initially-flag nil)
  (calendar-view-diary-initially-flag nil)
  :config
  (appt-activate +1)
  (add-to-list 'display-buffer-alist
               '("\\*Calendar\\*"
                 (display-buffer-in-side-window)
                 (side . bottom)
                 (slot . 0)
                 (window-height . 0.2)
                 (window-parameters . ((no-delete-other-windows . t))))))

(add-hook 'prog-mode-hook #'(lambda () (display-line-numbers-mode +1)))

(use-package which-key
  :functions which-key-mode
  :config (which-key-mode +1))

(use-package elec-pair
  :config
  (electric-pair-mode +1))

(use-package paren
  :config
  (show-paren-mode +1))

;; add visual pulse when changing focus, like beacon but built-in
;; from from https://karthinks.com/software/batteries-included-with-emacs/
(defun pulse-line (&rest _)
  "Pulse the current line."
  (pulse-momentary-highlight-one-line (point)))

(use-package base16-theme
  :demand
  :defines (base16-one-light-theme-colors
            my/load-theme-and-configure)
  :hook (server-after-make-frame . my/load-theme-and-configure)
  :custom
  (base16-theme-distinct-fringe-background nil)
  (base16-theme-highlight-mode-line 'contrast)
  :init
  (defun my/load-theme-and-configure ()
    "Load theme and configure some faces."
    (load-theme 'base16-one-light t)

    ;; Change outline headers to follow rainbow order
    (require 'outline)
    (dolist (pairing '((outline-1 . :base08)
                       (outline-2 . :base09)
                       (outline-3 . :base0A)
                       (outline-4 . :base0B)
                       (outline-5 . :base0C)
                       (outline-6 . :base0D)
                       (outline-7 . :base0E)
                       (outline-8 . :base0F)))
      (set-face-attribute (car pairing) nil
                          :foreground
                          (plist-get base16-one-light-theme-colors (cdr pairing)))))
  :config
  (if (display-graphic-p) (my/load-theme-and-configure)))

(use-package nerd-icons
  :functions (nerd-icons-octicon))

(use-package nerd-icons-dired
  :diminish
  :requires nerd-icons
  :hook (dired-mode))

(use-package nerd-icons-ibuffer
  :diminish
  :requires nerd-icons
  :hook (ibuffer-mode))

(use-package nerd-icons-completion
  :diminish
  :functions nerd-icons-completion-mode
  :requires nerd-icons
  :hook (after-init . (lambda () (nerd-icons-completion-mode +1))))

(use-package ligature
  :functions (ligature-set-ligatures
              global-ligature-mode)
  :config
  (ligature-set-ligatures
   '(text-mode prog-mode org-mode)
   '("<--" "<---" "<-" "->" "-->" "--->"
     "<==" "<===" "<=" "=>" "==>" "===>"
     "<->" "<-->" "<--->" "<---->"
     "<=>" "<==>" "<===>" "<====>"
     "==" "!=" "===" "!==" "!==="
     "<|" "<|>" "|>" "<>" "</" "</>" "/>"
     "/*" "*/" "+++" "<~~" "~~>" "<!---" "---!>"))
  (global-ligature-mode +1))

(use-package whitespace
  :custom
  (whitespace-style '(face
                      empty
                      trailing
                      tab-mark
                      indentation::space))
  (whitespace-action '(report-on-bogus
                       cleanup
                       auto-cleanup)))

(setq mode-line-compact 'long)

(line-number-mode -1)
(column-number-mode -1)
(size-indication-mode +1)

;; (require 'battery)
;; (when (and battery-status-function
;;            (not ( string-match-p "unknown"
;;                   ( battery-format "%B"
;;                     (funcall battery-status-function)))))
;;   (display-battery-mode +1))

(use-package time
  :custom
  (display-time-24hr-format t))

(use-package diff-hl
  :functions (diff-hl-magit-pre-refresh
              diff-hl-magit-post-refresh
              global-diff-hl-mode)
  :init
  (add-hook 'magit-pre-refresh-hook #'diff-hl-magit-pre-refresh)
  (add-hook 'magit-post-refresh-hook #'diff-hl-magit-post-refresh)
  :custom
  (diff-hl-disable-on-remote t)
  (diff-hl-draw-borders t)
  :config
  (global-diff-hl-mode))

(setq split-height-threshold nil
      split-width-threshold 160)

(use-package winner
  :demand
  :config
  (winner-mode))

(use-package ediff
  :bind (("C-c d f" . ediff-files)
         ("C-c d b" . ediff-buffers)
         ("C-c d 3 f" . ediff-files3)
         ("C-c d 3 b" . ediff-buffers3))
  :custom
  (ediff-window-setup-function #'ediff-setup-windows-plain))

(use-package emms
  :defines (emms-browser-mode-map
            emms-playlist-mode-map)
  :functions (emms-all
              emms-default-players
              emms-mpris-enable
              emms-cache-enable
              emms-show)
  :bind (("C-c e e" . emms-smart-browse)
         ("C-c e p" . emms-pause)
         ("C-c e s" . emms-stop)
         ("C-c e z" . emms-toggle-repeat-track)
         ("C-c e C-r" . emms-toggle-repeat-playlist)
         ("C-c e C-b" . emms-browser)
         ("C-c e C-p" . emms-playlist-mode-go)
         ("<XF86AudioPlay>" . emms-pause)
         ("<XF86AudioPrev>" . emms-previous)
         ("<XF86AudioNext>" . emms-next)
         :map emms-browser-mode-map
         ("e" . emms-smart-browse)
         ("P" . emms-pause)
         ("S" . emms-stop)
         ("z" . emms-toggle-repeat-track)
         :map emms-playlist-mode-map
         ("e" . emms-smart-browse))
  :custom
  (emms-source-file-default-directory "~/Music/")
  (emms-lyrics-dir (expand-file-name "lyrics" "~/Music/"))
  (emms-browser-covers #'emms-browser-cache-thumbnail-async)
  (emms-browser-default-covers (list (expand-file-name "placeholder.jpg" "~/Music/")))
  (emms-repeat-playlist t)
  :config
  (emms-all)
  (emms-default-players)
  (emms-mpris-enable)
  (emms-cache-enable)
  (add-hook 'emms-player-started-hook #'emms-show))

(use-package org
  :defines org-mode-map
  :hook ((org-mode . turn-on-auto-fill))
  :bind ( :map org-mode-map
          ("<remap> <imenu>" . consult-org-heading)
          ("<remap> <org-goto>" . consult-org-heading))
  :custom
  (org-directory "~/Documents/org")
  (org-default-notes-file (expand-file-name "notes.org" org-directory))
  (org-archive-location "::* Archived Tasks")
  (org-hide-emphasis-markers t)
  (org-use-sub-superscripts '{})
  (org-pretty-entities t)
  (org-pretty-entities-include-sub-superscripts t)
  (org-fontify-done-headline t)
  (org-fontify-todo-headline t)
  (org-fontify-emphasized-text t)
  (org-fontify-quote-and-verse-blocks t)
  (org-tags-column 0)
  (org-enforce-todo-dependencies t)
  (org-enforce-todo-checkbox-dependencies t)
  (org-yank-folded-subtrees nil)
  (org-yank-adjusted-subtrees t)
  (org-display-remote-inline-images 'cache)
  (org-M-RET-may-split-line '((default . nil)
                              (headline . nil)
                              (item . nil)
                              (table . t))))

(use-package ox
  :after org
  :custom
  (org-export-with-sub-superscripts org-use-sub-superscripts))

(use-package org-faces
  :after org
  :config
  ;; Ensure tables and src blocks use fixed-pitch font.
  (set-face-attribute 'org-block nil :inherit 'fixed-pitch)
  (set-face-attribute 'org-code nil :inherit 'fixed-pitch)
  (set-face-attribute 'org-table nil :inherit 'fixed-pitch)
  (set-face-attribute 'org-verbatim nil :inherit 'org-code)
  ;; Let quote and verse blocks use variable-pitch font, if configured
  (set-face-attribute 'org-quote nil :inherit 'variable-pitch)
  (set-face-attribute 'org-verse nil :inherit 'variable-pitch))

(use-package org-keys
  :after org
  :custom
  (org-return-follows-link t)
  (org-mouse-1-follows-link t))

(use-package org-indent
  :after org
  :hook org-mode)

(use-package org-attach
  :after org
  :custom
  (org-attach-id-dir (expand-file-name "data/" org-directory))
  (org-attach-dir-relative t)
  (org-attach-use-inheritance t))

(use-package org-refile
  :after (org org-agenda)
  :custom
  (org-outline-path-complete-in-steps nil)
  (org-refile-use-outline-path t)
  (org-refile-allow-creating-parent-nodes t)
  (org-refile-use-outline-path 'file)
  (org-refile-targets '((nil . (:maxlevel . 3))
                        (org-agenda-files . (:maxlevel . 3)))))

(use-package org-src
  :after org
  :custom
  (org-src-window-setup 'current-window))

(use-package ob-core
  :after org
  :hook ((org-babel-after-execute . org-redisplay-inline-images))
  :config
  (let (babel-languages)
    (push '(lua . t) babel-languages)
    (push '(python . t) babel-languages)
    (push '(emacs-lisp . t) babel-languages)
    (org-babel-do-load-languages 'org-babel-load-languages babel-languages)))

(use-package ob-python
  :after ob-core
  :custom
  (org-babel-python-command "python3"))

(use-package org-capture
  :after org
  :bind ("C-c n" . org-capture))

(use-package org-roam
  :after org
  :defines org-roam-directory
  :functions org-roam-db-autosync-mode
  :bind (("C-c r i" . org-roam-node-insert)
         ("C-c r f" . org-roam-node-find)
         ("C-c r n" . org-roam-capture)
         ("C-c r j" . org-roam-dailies-capture-today)
         ("M-g j" . org-roam-dailies-goto-today)
         ("M-g C-j" . org-roam-dailies-goto-date)
         :map org-mode-map
         ("C-c r b" . org-roam-buffer-toggle))
  :custom
  (org-roam-directory (expand-file-name "roam" org-directory))
  (org-roam-completion-everywhere nil)
  (org-roam-node-display-template (concat
                                   "${title:*} "
                                   (propertize "${tags:24}" 'face 'org-tag)))
  (org-roam-capture-templates '(("d" "default" plain "%?"
                                 :target (file+head "${slug}.org" "#+title: ${title}\n")
                                 :unnarrowed t)))
  :config
  (mkdir org-roam-directory t)
  (add-to-list 'display-buffer-alist
               '("\\*org-roam\\*"
                 (display-buffer-in-side-window)
                 (side . right)
                 (slot . 0)
                 (window-width . 0.33)
                 (window-parameters . ((no-delete-other-windows . t)))))
  (org-roam-db-autosync-mode +1))

(use-package org-roam-dailies
  :custom
  (org-roam-dailies-directory "./")
  (org-roam-dailies-capture-templates
   '(("d" "default" entry
      "* %<%H:%M> %?"
      :target (file+datetree "journal.org.gpg" week)))))

(use-package org-agenda
  :after (org appt)
  :bind (("C-c a" . org-agenda))
  :hook (org-agenda-finalize . org-agenda-to-appt)
  :custom
  (org-agenda-span 'week)
  (org-agenda-start-on-weekday 1)
  (org-agenda-sticky nil)
  (org-agenda-window-setup 'current-window)
  (org-agenda-tags-column 0)
  (org-agenda-diary-file (expand-file-name "calendar/diary.org.gpg" org-directory))
  (org-agenda-include-diary nil)
  (org-agenda-include-deadlines t)
  (org-agenda-todo-ignore-scheduled 'future)
  (org-agenda-todo-ignore-deadlines 'far)
  (org-agenda-prefix-format '((agenda . " %-12:c%?-12t% s")
                              (todo . " %-12:c")
                              (tags . " %-12:c")
                              (search . " %-12:c")))
  (org-agenda-file-regexp "\\`[^.].*\\.org\\\(\\.gpg\\\)?\\'")
  (org-agenda-files (list
                     (expand-file-name org-directory)
                     (expand-file-name "calendar" org-directory)
                     (expand-file-name "roam/journal.org.gpg" org-directory)))
  :config
  (appt-activate +1))

(use-package ox-icalendar
  :after org
  :custom
  (org-icalendar-store-UID t)
  (org-icalendar-alarm-time 15)
  (org-icalendar-include-body t)
  (org-icalendar-include-sexps t)
  (org-icalendar-include-todo t)
  (org-icalendar-combined-name "org-mode")
  (org-icalendar-combined-description "Emacs org-mode combined export"))

(use-package org-noter
  :after (org doc-view citar)
  :commands org-noter
  :custom
  (org-noter-always-create-frame nil)
  (org-noter-kill-frame-at-session-end nil)
  (org-noter-auto-save-last-location t)
  (org-noter-default-notes-file-names '("noter.org"))
  (org-noter-doc-property-in-notes t)
  (org-noter-notes-search-path
   (list (expand-file-name "notes" org-directory)
         (car citar-notes-paths)))
  (org-noter-prefer-root-as-file-level nil))

(use-package citar
  :defines (citar-bibliography
            citar-indicators)
  :functions (citar-indicator-create
              citar-has-files
              citar-has-links
              citar-has-notes
              citar-is-cited)
  :hook
  (LaTeX-mode . citar-capf-setup)
  (org-mode . citar-capf-setup)
  :custom
  (citar-bibliography
   (list
    (expand-file-name "citar/main.bib" org-directory)))
  (citar-notes-paths
   (list
    (expand-file-name "citar/notes/" org-directory)))
  (citar-library-paths
   (list
    (expand-file-name "~/Documents/library/")))
  :config
  (require 'org)
  (require 'nerd-icons)
  (require 'citar-embark)
  (setopt org-cite-insert-processor 'citar
          org-cite-follow-processor 'citar
          org-cite-activate-processor 'citar)
  (dolist (bibfile citar-bibliography)
    (add-to-list 'org-cite-global-bibliography bibfile))
  (defvar citar-indicator-files-icons
    (citar-indicator-create
     :symbol (nerd-icons-octicon
              "nf-oct-file"
              :face 'nerd-icons-green
              :v-adjust -0.1)
     :function #'citar-has-files
     :padding "  " ; need this because the default padding is too low for these icons
     :tag "has:files"))
  (defvar citar-indicator-links-icons
    (citar-indicator-create
     :symbol (nerd-icons-octicon
              "nf-oct-link"
              :face 'nerd-icons-orange
              :v-adjust 0.01)
     :function #'citar-has-links
     :padding "  " ; need this because the default padding is too low for these icons
     :tag "has:links"))
  (defvar citar-indicator-notes-icons
    (citar-indicator-create
     :symbol (nerd-icons-octicon
              "nf-oct-note"
              :face 'nerd-icons-blue
              :v-adjust -0.3)
     :function #'citar-has-notes
     :padding "  " ; need this because the default padding is too low for these icons
     :tag "has:notes"))
  (defvar citar-indicator-cited-icons
    (citar-indicator-create
     :symbol (nerd-icons-octicon
              "nf-oct-circle"
              :face 'nerd-icon-green)
     :function #'citar-is-cited
     :padding "  " ; need this because the default padding is too low for these icons
     :tag "is:cited"))
  (setq citar-indicators (list citar-indicator-files-icons
                               citar-indicator-links-icons
                               citar-indicator-notes-icons
                               citar-indicator-cited-icons)))

(use-package citar-embark
  :diminish
  :requires citar
  :functions citar-embark-mode
  :init
  (require 'embark)
  :config
  (citar-embark-mode +1))

(setq org-latex-compiler "lualatex")
(setq org-preview-latex-default-process 'dvisvgm)

(use-package vertico
  :functions vertico-mode
  :hook (after-init . (lambda () (vertico-mode +1)))
  :custom
  (vertico-cycle t)
  (require 'vertico-directory)
  (require 'marginalia)
  (require 'orderless))

(use-package marginalia
  :functions marginalia-mode
  :custom
  (marginalia-annotators '(marginalia-annotators-heavy
                           marginalia-annotators-light
                           nil))
  :config (marginalia-mode +1))

(use-package orderless
  :custom
  (completion-styles '(orderless basic))
  (completion-category-defaults nil)
  (completion-category-overrides '((file (styles basic partial-completion))
                                   (eglot (styles orderless))
                                   (eglot-capf (styles  orderless)))))

(use-package nerd-icons-corfu
  :diminish
  :functions nerd-icons-corfu-formatter
  :requires nerd-icons)

(use-package corfu
  :defines (corfu-map
            corfu-mode-map
            corfu-margin-formatters)
  :functions (corfu-mode
              global-corfu-mode
              corfu-history-mode)
  :hook (minibuffer-setup . (lambda ()
                              "Enable `corfu-mode' for `M-:' and `M-!'."
                              (when (local-variable-p 'completion-at-point-functions)
                                (corfu-mode +1))))
  :bind ( :map corfu-map
          ("M-SPC" . corfu-insert-separator)
          ("RET" . nil)
          ("TAB" . corfu-insert)
          ([tab] . corfu-insert))
  :init
  (global-corfu-mode +1)
  :custom
  (corfu-cycle t)
  (corfu-auto nil)
  (corfu-preselect 'directory)
  :config
  (require 'corfu-history)
  (when (require 'nerd-icons-corfu nil :noerror)
    (add-to-list 'corfu-margin-formatters #'nerd-icons-corfu-formatter))
  (when (require 'corfu-popupinfo nil :noerror)
    (corfu-popupinfo-mode +1))
  (when (and (require 'corfu-terminal nil :noerror)
             (not (display-graphic-p)))
    (corfu-terminal-mode +1)))

(use-package corfu-history
  :requires (corfu savehist)
  :functions corfu-history
  :config
  (add-to-list 'savehist-additional-variables #'corfu-history))

(use-package corfu-popupinfo
  :requires corfu
  :defines corfu-popupinfo-map
  :functions corfu-popupinfo-mode
  :bind ( :map corfu-popupinfo-map
          ("M-d" . corfu-popupinfo-toggle)
          ("M-n" . corfu-popupinfo-scroll-up)
          ("M-p" . corfu-popupinfo-scroll-down))
  :custom
  (corfu-popupinfo-delay 0.3))

(use-package corfu-terminal
  :requires corfu
  :functions corfu-terminal-mode)

(use-package cape
  :after corfu
  :functions (cape-emoji
              cape-file
              cape-dabbrev)
  :hook ((conf-mode prog-mode text-mode) . (lambda ()
                                             (dolist (cape-fn '(cape-dabbrev
                                                                cape-file
                                                                cape-emoji))
                                               (add-hook 'completion-at-point-functions cape-fn nil t))))
  :custom
  (cape-dabbrev-min-length (+ corfu-auto-prefix 1)))

(use-package consult
  :functions (consult-org-heading
              consult-history)
  :bind (("<remap> <imenu>" . consult-imenu)
         ("<remap> <switch-to-buffer>" . consult-buffer)
         ("<remap> <project-switch-to-buffer>" . consult-project-buffer)
         ("C-c s l" . consult-line)
         ("C-c s o" . consult-outline)
         ("C-c s f" . consult-fd)
         ("C-c s g" . consult-ripgrep)
         ("C-c s e" . consult-flymake)
         ("C-c s i" . consult-info)
         :map minibuffer-local-map
         ("<remap> <previous-matching-history-element>" . consult-history)))

(use-package consult-eglot
  :after (consult eglot)
  :bind (("C-c s s" . consult-eglot-symbols)))

(use-package embark
  :functions embark-prefix-help-command
  :bind (("<remap> <describe-bindings>" . embark-bindings)
         ("C-." . embark-act))
  :config
  (setq prefix-help-command #'embark-prefix-help-command))

(use-package embark-consult
  :after (embark consult)
  :hook (embark-collect-mode . consult-preview-at-point-mode))

(use-package tempel
  :defines tempel-path
  :functions (tempel-expand
              tempel-abbrev-mode)
  :bind (("M-+" . tempel-complete)
         ("M-*" . tempel-insert))
  :hook ((conf-mode prog-mode text-mode) . (lambda () (add-hook 'completion-at-point-functions 'tempel-complete nil t)))
  :custom
  (tempel-trigger-prefix "<"))

(require 'tramp)
(setq org-publish-project-alist
      `(("xenia.me.uk"
         :base-directory ,(expand-file-name "www/xenia.me.uk" "~/Projects/")
         :base-extension "org"
         :exclude "setup.org"
         :recursive t
         :publishing-function org-html-publish-to-html
         :publishing-directory "/sshx:pixelifytica@legion:/var/www/xenia.me.uk"
         :auto-sitemap t
         :sitemap-title "Sitemap"
         :section-numbers nil
         :with-author t
         :with-email t
         :with-toc nil
         :html-link-home "/"
         :html-link-up "../"
         ;; :html-head "<link rel=\"stylesheet\" type=\"text/css\" href=\"css/style.css\"/>"
         )))

(use-package rainbow-delimiters
  :hook (prog-mode))

(use-package envrc
  :hook (after-init . envrc-global-mode)
  :custom
  (envrc-show-summary-in-minibuffer t))

(use-package gud
  :defer t
  :defines gdb-many-windows
  :config
  (setq gdb-many-windows t))

(use-package treesit
  :custom
  (treesit-font-lock-level 3))

(use-package treesit-auto
  :requires treesit
  :functions (treesit-auto-add-to-auto-mode-alist
              global-treesit-auto-mode)
  :config
  (treesit-auto-add-to-auto-mode-alist)
  (global-treesit-auto-mode +1))

(use-package eldoc
  :custom
  (eldoc-echo-area-display-truncation-message nil)
  (eldoc-echo-area-prefer-doc-buffer 'maybe)
  (eldoc-echo-area-use-multiline-p 3))

(use-package eglot
  :demand
  :bind ( :map prog-mode-map
          ("C-c c a" . eglot-code-actions)
          ("C-c c r" . eglot-rename))
  :hook (((nix-mode lua-mode js-base-mode typescript-ts-base-mode) . eglot-ensure)
         (eglot-managed-mode . (lambda () (add-hook 'flymake-diagnostic-functions 'eglot-flymake-backend nil t))))
  :custom
  (eglot-menu-string "lsp")
  (eglot-send-changes-idle-time 1)
  (eglot-extend-to-xref t)
  (eglot-autoshutdown t)
  (eglot-sync-connect nil)
  (eglot-autoreconnect (* 60 5))
  (eglot-events-buffer-config '(:size 0))
  (eglot-ignored-server-capabilities
   '(:documentHighlightProvider
     :documentFormattingProvider
     :documentRangeFormattingProvider
     :documentOnTypeFormattingProvider
     :documentLinkProvider
     :colorProvider
     :foldingRangeProvider))
  :init
  (setq eglot-stay-out-of '(flymake))
  :config
  (setq-default eglot-workspace-configuration
                '( :pylsp ( :plugins
                            ( :autopep8 (:enabled nil)
                              :flake8 (:enabled nil)
                              :jedi_completion ( :enabled t
                                                 :include_params t
                                                 :include_class_objects t
                                                 :include_function_objects t
                                                 :fuzzy t)
                              :jedi_definition (:enabled t)
                              :jedi_hover (:enabled t)
                              :mccabe (:enabled nil)
                              :preload (:enabled nil)
                              :pycodestyle (:enabled nil)
                              :pydocstyle (:enabled nil)
                              :pyflakes (:enabled nil)
                              :pylint (:enabled nil)
                              :rope_autoimport ( :completions (:enabled t)
                                                 :code_actions (:enabled t))
                              :rope_completion (:enabled t)
                              :yapf (:enabled nil)))
                   :pyright (:python
                             (:analysis
                              ( :autoSearchPaths t
                                :diagnosticMode "openFilesOnly"
                                :useLibraryCodeForTypes t)))
                   :nil ( :nix
                          ( :maxMemoryMB nil
                            :flake
                            ( :autoArchive t
                              :nixpkgsInputName "nixpkgs")))))
  )

(use-package apheleia
  :diminish
  :defines (apheleia-formatters
            apheleia-mode-alist)
  :bind (("C-c c f" . apheleia-format-buffer))
  :hook (prog-mode)
  :custom (apheleia-remote-algorithm 'cancel)
  :config
  (add-to-list 'apheleia-formatters '(alejandra . ("alejandra")))
  (add-to-list 'apheleia-formatters '(isort . ("isort" "--profile" "black" "-")))
  (add-to-list 'apheleia-mode-alist '(nix-mode . alejandra))
  (add-to-list 'apheleia-mode-alist '(python-base-mode . (black isort)))
  (add-to-list 'apheleia-mode-alist '(python-mode . (black isort)))
  (add-to-list 'apheleia-mode-alist '(python-ts-mode . (black isort))))

(use-package flymake
  :bind (("C-c C-." . flymake-goto-next-error)
         ("C-c C-," . flymake-goto-prev-error))
  :hook (prog-mode . (lambda () (flymake-mode +1)))
  :custom
  (flymake-no-changes-timeout 1)
  (flymake-show-diagnostics-at-end-of-line nil))

(use-package flymake-popon
  :diminish
  :functions flymake-popon-mode
  :requires flymake
  :hook (flymake-mode . (lambda () (flymake-popon-mode +1))))

(use-package flymake-shellcheck
  :if (executable-find "shellcheck")
  :requires flymake
  :hook (sh-mode . flymake-shellcheck-load))

(use-package flymake-yamllint
  :if (executable-find "yamllint")
  :functions flymake-yamllint-setup
  :requires flymake
  :hook (yaml-ts-mode . (lambda ()
                          (progn (flymake-mode +1)
                                 (flymake-yamllint-setup)))))

(use-package flymake-eslint
  :if (executable-find "eslint")
  :functions flymake-eslint-enable
  :requires flymake
  :hook ((js-base-mode typescript-ts-base-mode) . flymake-eslint-enable))

(use-package project
  :functions (project-forget-zombie-projects
              project-remember-projects-under)
  :custom
  (project-switch-use-entire-map t)
  (project-switch-commands '((project-find-file "Find file")
                             (project-find-regexp "Find regexp")
                             (project-find-dir "Find directory")
                             (project-eshell "Eshell")
                             (magit-project-status "Magit")))
  :config
  (defun my/project-find-common-projects ()
    "Search and remember common project directories.

Calls `project-remember-projects-under' for ~/Projects/"
    (interactive)
    (require 'project)
    (project-forget-zombie-projects)
    (project-remember-projects-under user-emacs-directory nil)
    (project-remember-projects-under "/etc/nixos/" nil)
    (project-remember-projects-under "~/Projects" t)
    ))

(use-package magit
  :bind (("C-c g g" . magit-status)
         ("C-c g d" . magit-dispatch)
         ("C-c g f" . magit-file-dispatch)
         ("C-c g b" . magit-blame-addition)
         ("C-c g p" . magit-pull)
         ("C-c g P" . magit-push)
         ("<remap> <project-vc-dir" . magit-project-status)
         :map project-prefix-map
         ("m" . magit-project-status))
  :custom
  (magit-display-buffer-function 'magit-display-buffer-same-window-except-diff-v1)
  (magit-define-global-key-bindings nil)
  (magit-clone-default-directory "~/Projects/")
  (magit-clone-set-remote.pushDefault t)
  (magit-commit-show-diff t)
  (magit-commit-diff-inhibit-same-window t)
  (magit-diff-adjust-tab-width t)
  (magit-diff-refine-hunk 'all)
  (magit-diff-refine-ignore-whitespace t)
  (magit-clone-name-alist '(("\\`\\(?:github:\\|gh:\\)?\\([^:]+\\)\\'" "github.com" "github.user")
                            ("\\`\\(?:gitlab:\\|gl:\\)\\([^:]+\\)\\'"  "gitlab.com" "gitlab.user")
                            ("\\`\\(?:sourcehut:\\|sh:\\)\\([^:]+\\)\\'" "git.sr.ht" "sourcehut.user")
                            ("\\`\\(?:gitea:\\|gt:\\)\\([^:]+\\)\\'" "git.xenia.me.uk" "gitea.user"))))

(use-package forge-topic
  :custom
  (forge-topic-list-limit '(60 . 10)))

(use-package treemacs
  :functions (treemacs treemacs-load-theme)
  :bind (("M-g t" . treemacs-select-window))
  :hook (treemacs-mode . (lambda () (visual-line-mode -1)))
  :config
  (when (require 'treemacs-nerd-icons nil :noerror)
    (treemacs-load-theme "nerd-icons")))

(use-package treemacs-nerd-icons
  :diminish
  :requires nerd-icons)

(use-package aggressive-indent
  :hook (elisp-mode
         lisp-mode
         lisp-data-mode
         rust-mode))

(use-package nix-mode
  :mode "\\.nix\\'"
  :functions nix-prettify-global-mode
  :config
  (require 'nix)
  (require 'nix-flake)
  (require 'nix-repl)
  (require 'nix-store)
  (nix-prettify-global-mode +1))

(defun my/enable-fill-column (col)
  "Set and enable fill column to `COL'."
  (set-fill-column col)
  (display-fill-column-indicator-mode +1))

(use-package python
  :hook ((python-base-mode . (lambda () (my/enable-fill-column 88))))
  :custom
  (python-shell-interpreter "python3")
  (python-indent-def-block-scale 1)
  (python-check-command "mypy --check-untyped-defs --warn-unreachable --show-error-codes --ignore-missing-imports")
  (python-flymake-command
   (cond ((executable-find "ruff") '("ruff" "check" "--output-format=concise" "--stdin-filename=stdin" "-"))
         ((executable-find "flake8") '("flake8" "--max-line-length" "88" "-"))
         (t '("pyflakes"))))
  :config
  (setq python-ts-mode-hook python-mode-hook))

(use-package python-docstring
  :hook python-base-mode)

(use-package files
  :custom
  (view-read-only t)
  (enable-remote-dir-locals t))

(use-package tramp
  :defer t
  :custom
  (tramp-default-method "scpx")
  (tramp-backup-directory-alist backup-directory-alist)
  (tramp-auto-save-directory (cdr (assoc "." tramp-backup-directory-alist)))
  :config
  (add-to-list 'tramp-remote-path 'tramp-own-remote-path)
  (add-to-list 'tramp-remote-path "~/.local/bin/"))

(connection-local-set-profile-variables
 'remote-no-corfu-auto
 '((corfu-auto . nil)))

(connection-local-set-profiles
 '(:application tramp)
 'remote-no-corfu-auto)

(use-package doc-view
  :defer t
  :bind ( :map doc-view-mode-map
          ("<mouse-8>" . doc-view-previous-page)
          ("<mouse-9>" . doc-view-next-page))
  :custom
  (doc-view-resolution 200)
  (doc-view-imenu-enabled t)
  (doc-view-scale-internally t)
  (doc-view-image-width 850))

(use-package markdown-mode
  :hook
  ((markdown-mode . turn-on-auto-fill))
  :custom
  (markdown-enable-math t)
  (markdown-enable-html t)
  :config
  (set-face-attribute 'markdown-code-face nil :inherit 'fixed-pitch)
  (set-face-attribute 'markdown-inline-code-face nil :inherit 'fixed-pitch)
  (set-face-attribute 'markdown-table-face nil :inherit 'fixed-pitch)
  (set-face-attribute 'markdown-blockquote-face nil :inherit 'variable-pitch)
  (set-face-attribute 'markdown-comment-face nil :inherit 'variable-pitch))

(use-package pandoc-mode
  :after (markdown-mode)
  :hook (markdown-mode . conditionally-turn-on-pandoc))

(use-package sendmail
  :custom
  (sendmail-program (executable-find "msmtp"))
  (send-mail-function #'sendmail-send-it))

(use-package message
  :custom
  (message-send-mail-function #'message-send-mail-with-sendmail)
  (message-sendmail-f-is-evil t)
  (message-sendmail-extra-arguments '("--read-envelope-from"))
  (message-auto-save-directory nil)
  (message-kill-buffer-on-exit t))

(use-package bbdb
  :bind (("M-g b" . bbdb-display-all-records))
  :custom
  (bbdb-file (locate-user-emacs-file "bbdb.gpg")))

(load-file (locate-user-emacs-file "lib/mu4e-custom.el"))

(use-package erc
  :commands erc-compute-nick
  :custom
  (erc-nick (user-login-name))
  (erc-user-full-name (user-full-name))
  :config
  (when (require 'password-store nil :noerror)
    (defun my/libera-chat-connect ()
      "Connect to irc.libera.chat directly."
      (interactive)
      (require 'erc)
      (require 'password-store)
      (erc-tls
       :server "irc.libera.chat"
       :password (password-store-get 'irc.libera.chat)))
    (defun my/znc-connect ()
      "Connect to my ZNC IRC bouncer."
      (interactive)
      (require 'erc)
      (require 'password-store)
      (erc-tls
       :server "xenia.me.uk"
       :port 6697
       :nick (concat (erc-compute-nick) "/liberachat")
       :password (password-store-get 'znc)))))

(use-package eww
  :defer t
  :custom
  (browse-url-browser-function 'browse-url-default-browser)
  (browse-url-secondary-browser-function 'browse-url-default-browser)
  (browse-url-new-window-flag t)
  (eww-default-download-directory "~/Downloads/")
  (eww-auto-rename-buffer 'title)
  (eww-browse-url-new-window-is-tab nil))

(use-package elfeed
  :bind (("C-c f" . elfeed))
  :hook ((elfeed-search-mode . elfeed-update)
         (elfeed-show-mode . (lambda () (visual-line-mode +1))))
  :custom
  (elfeed-search-filter "@2-months-ago +unread")
  :config
  (require 'elfeed-db)
  (require 'elfeed-org))

(use-package elfeed-db
  :after (elfeed org)
  :custom
  (elfeed-db-directory (expand-file-name "elfeed" org-directory)))

(use-package elfeed-org
  :after (elfeed elfeed-db org)
  :defines rmh-elfeed-org-files
  :functions elfeed-org
  :custom
  (rmh-elfeed-org-files (list
                         (expand-file-name "feeds.org" elfeed-db-directory)))
  :config
  (elfeed-org))

(use-package elfeed-tube
  :after elfeed
  :defines (elfeed-show-mode-map
            elfeed-search-mode-map)
  :functions elfeed-tube-setup
  :bind ( :map elfeed-show-mode-map
          ("F" . elfeed-tube-fetch)
          ([remap save-buffer] . elfeed-tube-save)
          :map elfeed-search-mode-map
          ("F" . elfeed-tube-fetch)
          ([remap save-buffer] . elfeed-tube-save))
  :custom
  (elfeed-tube-auto-save-p nil)
  (elfeed-tube-auto-fetch-p t)
  :config
  (elfeed-tube-setup))

(use-package password-store
  :functions password-store-get)

(use-package pass
  :defer t
  :bind (("C-c P" . pass))
  :custom
  (pass-show-keybindings nil)
  (pass-username-field "login"))

;; Scratch buffer shortcut
(keymap-global-set "C-c w x" #'scratch-buffer)

;; Config file shortcut
(defun my/open-init-file ()
  "Open Emacs init file."
  (interactive)
  (find-file (locate-user-emacs-file "init.el")))
(keymap-global-set "C-c w e" #'my/open-init-file)

;; Tempel template file shortcut
(defun my/open-template-file ()
  "Open `tempel' template file."
  (interactive)
  (require 'tempel)
  (find-file tempel-path))
(keymap-global-set "C-c w t" #'my/open-template-file)

;; Org directory shortcut
(defun my/open-org-directory ()
  "Open base `org-mode' directory in Dired."
  (interactive)
  (require 'org)
  (find-file org-directory))
(keymap-global-set "C-c w o" #'my/open-org-directory)

(defun my/open-global-bibliography ()
  "Open `org-cite-global-bibliography'."
  (interactive)
  (require 'citar)
  (find-file (car org-cite-global-bibliography)))
(keymap-global-set "C-c w b" #'my/open-global-bibliography)

;; Elfeed feeds directory shortcut
(defun my/open-feeds-file ()
  "Open elfeed org source file."
  (interactive)
  (require 'elfeed)
  (require 'elfeed-org)
  (find-file (car rmh-elfeed-org-files)))
(keymap-global-set "C-c w f" #'my/open-feeds-file)

(defun my/open-documents-directory ()
  "Open Documents directory."
  (interactive)
  (find-file "~/Documents/"))
(defun my/open-downloads-directory ()
  "Open Downloads directory."
  (interactive)
  (find-file "~/Downloads/"))
(keymap-global-set "C-c w d" #'my/open-documents-directory)
(keymap-global-set "C-c w C-d" #'my/open-downloads-directory)

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