;;; init.el ~ acdw -*- lexical-binding: t -*-

;;; emacs configuration - general

(use-package emacs
  :demand
  :init
  (setq calendar-location-name "Baton Rouge, LA")
  (setq calendar-latitude 30.39)
  (setq calendar-longitude -91.83)

  (setq browse-url-browser-function 'browse-url-generic)
  (setq  browse-url-generic-program "firefox")

  :custom-face
  (default ((t (:family "Iosevka Term Slab" :height 110)))))

(use-package no-littering
  :config
  (require 'recentf)
  (add-to-list 'recentf-exclude no-littering-var-directory)
  (add-to-list 'recentf-exclude no-littering-etc-directory)

  (setq auto-save-file-name-transforms
        `((".*" ,(no-littering-expand-var-file-name "auto-save/") t)))
  (setq custom-file (no-littering-expand-etc-file-name "custom.el")))

(use-package auth-source
  :init
  (setq auth-sources '("~/.authinfo")) ;; TODO: gpg
  (setq user-full-name "Case Duckworth")
  (setq user-mail-address "acdw@acdw.net"))

(use-package better-defaults
  :demand
  :config ; add other "better defaults" of my own
  (when *acdw/at-larry*
    (setq visible-bell nil))

  (setq version-control t)
  (setq delete-old-versions t)
  (setq kept-new-versions 6)
  (setq kept-old-versions 4)
  (setq create-lockfiles nil)
  (auto-save-mode)

  (defun full-auto-save ()
    (interactive)
    (save-excursion
      (dolist (buf (buffer-list))
        (set-buffer buf)
        (if (and (buffer-file-name) (buffer-modified-p))
            (basic-save-buffer)))))
  (add-hook 'auto-save-hook 'full-auto-save)
  (add-hook 'focus-out-hook 'full-auto-save) ; might be resource-intensive

  ;; follow the split!
  (defun split-and-follow-below ()
    (interactive)
    (split-window-below)
    (balance-windows)
    (other-window 1))

  (defun split-and-follow-right ()
    (interactive)
    (split-window-right)
    (balance-windows)
    (other-window 1))

  (setq save-place-file (no-littering-expand-var-file-name "places"))
  (save-place-mode)

  (set-language-environment "UTF-8")
  (prefer-coding-system 'utf-8)
  (set-default-coding-systems 'utf-8)
  (set-terminal-coding-system 'utf-8)
  (set-keyboard-coding-system 'utf-8)
  (setq default-buffer-file-coding-system 'utf-8)

  (fset 'yes-or-no-p 'y-or-n-p)

  (global-visual-line-mode)
  (mouse-avoidance-mode 'jump)
  (setq show-paren-style 'mixed)
  (delete-selection-mode 1)

  ;; TODO figure out how to add this to the :hook block
  (add-hook 'prog-mode-hook (if (and (fboundp 'display-line-numbers-mode)
				     (display-graphic-p))
				#'display-line-numbers-mode
			      #'linum-mode))

  (setq completion-ignore-case t)
  (setq read-buffer-completion-ignore-case t)
  (setq read-file-name-completion-ignore-case t)

  ;; don't confirm death
  (setq confirm-kill-processes nil)
  (setq confirm-kill-emacs nil)

  ;; cursor betterment
  (blink-cursor-mode 0)
  (setq-default cursor-type 'bar)

  :bind
  ([remap split-window-below] . split-and-follow-below)
  ([remap split-window-right] . split-and-follow-right)

  :hook
  (auto-save-hook . full-auto-save)
  (focus-out-hook . full-auto-save)
  (before-save-hook . delete-trailing-whitespace))

(use-package async
  :config
  (dired-async-mode 1))

(use-package auto-compile
  :config
  (auto-compile-on-load-mode)
  (setq load-prefer-newer t))

;; start the server when at home

(if *acdw/at-home*
    (server-start))

;;; quality-of-life improvements

(use-package diminish)

(use-package which-key
  :diminish which-key-mode
  :config
  (which-key-mode))

(use-package recentf
  :init
  (setq recentf-max-menu-items 100)
  (setq recentf-max-saved-items 100)
  :config
  (recentf-mode))

(use-package savehist
  :config
  (savehist-mode)
  (setq savehist-additional-variables
        '(kill-ring search-ring regexp-search-ring)))

(use-package restart-emacs)

(use-package volatile-highlights
  :config
  (volatile-highlights-mode t))

(use-package zop-to-char
  :bind
  ([remap zap-to-char] . zop-to-char)
  ([remap zap-up-to-char] . zop-up-to-char))

(use-package easy-kill
  :bind
  ([remap kill-ring-save] . easy-kill)
  ([remap mark-sexp] . easy-mark))

(use-package whole-line-or-region
  :config
  (whole-line-or-region-global-mode 1))

(use-package avy
  :bind
  ("M-s" . avy-goto-char-timer))

(use-package selectrum
  :config
  (ido-mode -1) ;; not sure why this is necessary
  (setq enable-recursive-minibuffers t)
  (minibuffer-depth-indicate-mode)
  (selectrum-mode 1))

(use-package prescient)

(use-package selectrum-prescient
  :config
  (selectrum-prescient-mode 1)
  (prescient-persist-mode 1))

(use-package ctrlf
  :config
  (ctrlf-mode 1))

;;; programming

(use-package aggressive-indent
  :diminish aggressive-indent-mode
  :hook
  (prog-mode-hook . aggressive-indent-mode))

(use-package magit
  :if *acdw/at-home*
  :bind
  ("C-x g" . magit))

(use-package forge
  :if *acdw/at-home*
  :after magit
  :custom
  (forge-owned-accounts '(("duckwork"))))

(use-package company
  :commands company-mode
  :init
  (setq company-idle-delay 0.1)
  :hook
  (prog-mode-hook . company-mode)
  :bind (:map company-active-map
              ("C-n" . company-select-next)
              ("C-p" . company-select-previous))
  :config
  (use-package company-quickhelp
    :hook
    (company-mode-hook . (lambda ()
                           (company-quickhelp-local-mode)))))

(use-package helpful
  :bind
  ("C-h f" . helpful-callable)
  ("C-h v" . helpful-variable)
  ("C-h k" . helpful-key)
  ("C-c C-d" . helpful-at-point)
  ("C-h F" . helpful-function)
  ("C-h C" . helpful-command))

(when *acdw/at-home*
  (use-package su
    :config
    (su-mode))

  (use-package trashed
    :init
    (setq delete-by-moving-to-trash t)))

(use-package smartparens
  :config
  (require 'smartparens-config)
  (smartparens-global-mode))


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

;;; writing

(use-package visual-fill-column
  :init
  (setq split-window-preferred-function 'visual-fill-column-split-window-sensibly)
  (setq visual-fill-column-center-text t)
  :config
  (advice-add 'text-scale-adjust
              :after #'visual-fill-column-adjust))

;;; window management

(use-package switch-window
  :init
  (setq switch-window-shortcut-style 'qwerty)
  :bind
  ([remap other-window] . switch-window)
  ("s-o" . switch-window))

;;; theming and looks

(use-package doom-modeline
  :init
  (setq doom-modeline-icon nil)
  (setq doom-modeline-enable-word-count t)
  (when *acdw/at-larry*
    (setq display-time-format "%R")
    (display-time-mode))
  :hook
  (after-init-hook . doom-modeline-mode))

(use-package ligature
  :straight (ligature
	     :host github
	     :repo "mickeynp/ligature.el")
  :config
  (ligature-set-ligatures 'prog-mode
			  '("++" "--" "/=" "&&" "||" "||="
			    "->" "=>" "::" "__"
			    "==" "===" "!=" "=/=" "!=="
			    "<=" ">=" "<=>"
			    "/*" "*/" "//" "///"
			    "\\n" "\\\\"
			    "<<" "<<<" "<<=" ">>" ">>>" ">>="
			    "|=" "^="
			    "**" "--" "---" "----" "-----"
			    "==" "===" "====" "====="
			    "</" "<!--" "</>" "-->" "/>"
			    ":=" "..." ":>" ":<" ">:" "<:"
			    "::=" ;; add others here
			    ))
  (global-ligature-mode t))

(use-package unicode-fonts
  :config
  (unicode-fonts-setup))

;; modus themes

(use-package modus-operandi-theme
  :if window-system
  :config
  (load-theme 'modus-operandi t t)

  (defun acdw/sunrise ()
    (enable-theme 'modus-operandi)
    (start-process-shell-command "light" nil "light -S 60"))

  (if *acdw/at-work*
      (enable-theme 'modus-operandi)
    (run-at-time (nth 1 (split-string (sunrise-sunset)))
                 (* 60 60 24) #'acdw/sunrise)))

(when *acdw/at-home*
  (use-package modus-vivendi-theme
    :if window-system
    :config
    (load-theme 'modus-vivendi t t)

    (defun acdw/sunset ()
      (enable-theme 'modus-vivendi)
      (start-process-shell-command "light" nil "light -S 35"))

    (run-at-time (nth 4 (split-string (sunrise-sunset)))
                 (* 60 60 24) #'acdw/sunset)
    (run-at-time "12am" (* 60 60 24) #'acdw/sunset)))

;;; gemini/gopher
(use-package elpher
  :straight (elpher
	     :repo "git://thelambdalab.xyz/elpher.git")
  :bind (:map elpher-mode-map
	      ("n" . 'elpher-next-link)
	      ("p" . 'elpher-prev-link)))

(use-package gemini-mode
  :straight (gemini-mode
	     :repo "https://git.carcosa.net/jmcbray/gemini.el.git"))

(use-package gemini-write
  :straight (gemini-write
	     :repo "https://alexschroeder.ch/cgit/gemini-write"))

(defun post-to-gemlog-blue (post-title user pass)
  "Post current buffer to gemlog.blue."
  (interactive
   (let* ((title-maybe (progn ;; TODO this is ... clunky
                         (goto-char (point-min))
                         (if (re-search-forward "^# \\(.*\\)" nil t)
                             (buffer-substring-no-properties
                              (match-beginning 1)
                              (match-end 1))
                           "")))
          (title (read-string
                  (format "Title%s: "
                          (if (string= "" title-maybe)
                              ""
                            (concat " (" title-maybe ")")))
                  nil nil title-maybe))
          (user (read-string "User: " nil))
          (pass (read-passwd "Pass: " nil)))
     (list title user pass)))

  (require 'mm-url)
  (let ((url-request-method "POST")
        (url-request-extra-headers
         '(("Content-Type" . "application/x-www-form-urlencoded")))
        (url-request-data
         (mm-url-encode-www-form-urlencoded
          `(("title" . ,post-title)
            ("gemloguser" . ,user)
            ("pw" . ,pass)
            ("post" . ,(buffer-string))))))
    (with-current-buffer
        (url-retrieve-synchronously "https://gemlog.blue/post.php")
      (goto-char (point-min))
      (re-search-forward "\\(gemini://.*\\.gmi\\)")
      (elpher-go (match-string 1)))))

;;; exwm ~ Emacs X Window Manager
(when *acdw/at-larry*
  (use-package exwm
    :if window-system
    :demand
    :custom
    (exwm-layout-show-all-buffers t)
    (exwm-workspace-warp-cursor t)
    ;;(mouse-autoselect-window t)
    (exwm-workspace-number 4)
    (exwm-input-global-keys
     `(
       ([remap split-window-below] . split-and-follow-below)
       ([remap split-window-right] . split-and-follow-right)
       ([?\s-r] . exwm-reset)
       ([?\s-w] . exwm-workspace-switch)
       ([?\s-&] . (lambda (command)
		    (interactive (list (read-shell-command "$ ")))
		    (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])
       ([?\M-b] . [C-left])
       ([?\C-f] . [right])
       ([?\M-f] . [C-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])
       ([?\C-s] . [?\C-f])
       ([?\C-w] . [?\C-x])
       ([?\M-w] . [?\C-c])
       ([?\C-y] . [?\C-v])))
    :hook
    ((exwm-update-class-hook .
			     (lambda () "Rename buffer to window's class name"
			       (exwm-workspace-rename-buffer exwm-class-name)))
     (exwm-update-title-hook .
			     (lambda () "Update workspace name to window title"
			       (when (not exwm-instance-name)
			         (exwm-workspace-rename-buffer exwm-title))))
     (exwm-init-hook . window-divider-mode)
     (exwm-init-hook .
		     (lambda () "Autostart"
		       (start-process-shell-command "cmst" nil "cmst -m -w 5")
		       (start-process-shell-command "keepassxc" nil "keepassxc")
		       (start-process-shell-command
		        "pa-applet" nil
		        "pa-applet --disable-key-grabbing --disable-notifications")
		       (start-process-shell-command
                        "cbatticon" nil "cbatticon"))))
    :config
    (require 'exwm)
    (exwm-enable)
    (require 'exwm-systemtray)
    (exwm-systemtray-enable))

  (use-package exwm-firefox-core
    :after exwm
    :straight (exwm-firefox-core
 	       :type git
 	       :host github
 	       :repo "walseb/exwm-firefox-core"))

  (use-package exwm-firefox
    :after exwm-firefox-core
    :straight (exwm-firefox
 	       :type git
 	       :host github
 	       :repo "ieure/exwm-firefox")
    :config
    (exwm-firefox-mode))

  (use-package exwm-mff
    :straight (exwm-mff
               :host github
               :repo "ieure/exwm-mff"
               :fork (
                      :host github
                      :repo "duckwork/exwm-mff"))
    :after exwm
    :hook
    (exwm-init-hook . exwm-mff-mode))

  (use-package exwm-edit)

  ) ;; end of *acdw/at-larry* block for exwm

;;; other applications
(use-package circe
  :if *acdw/at-larry*
  :init
  (defun my/fetch-password (&rest params)
    "Fetch a password from auth-sources"
    (require 'auth-source)
    (let ((match (car (apply 'auth-source-search params))))
      (if match
	  (let ((secret (plist-get match :secret)))
	    (if (functionp secret)
	        (funcall secret)
	      secret))
        (error "Password not found for %S" params))))

  (defun my/sasl-password (nick server)
    "Fetch a password for $server and $nick"
    (my/fetch-password :user nick :host server))
  (require 'lui-autopaste)
  (defun my/circe-prompt ()
    (lui-set-prompt
     (concat (propertize (concat (buffer-name) ">")
			 'face 'circe-prompt-face)
	     " ")))
  (defun my/lui-setup ()
    (setq right-margin-width 5
	  fringes-outside-margins t
	  word-wrap t
	  wrap-prefix "             ")
    (setf (cdr (assoc 'continuation fringe-indicator-alist)) nil))
  :hook
  (circe-channel-mode-hook . enable-lui-autopaste)
  (circe-chat-mode-hook . my/circe-prompt)
  (lui-mode-hook . my/lui-setup)
  :config
  (setq circe-default-part-message "Peace out, cub scouts")
  (setq circe-default-quit-message "See  You Space Cowpokes ......")
  (setq circe-default-realname "Case D")
  (setq circe-highlight-nick-type 'all)
  (setq circe-reduce-lurker-spam t)
  (setq circe-format-say "{nick:-12s} {body}")
  (setq circe-format-self-say "{nick:-11s}> {body}")
  (setq lui-time-stamp-position 'right-margin)
  (setq lui-fill-type nil)
  (setq lui-time-stamp-format "%H:%M")
  (setq lui-track-bar-behavior 'before-switch-to-buffer)
  (setq circe-network-options
        `(("Freenode"
           :tls t
           :port 6697
           :nick "acdw"
           :sasl-username "acdw"
           :sasl-password ,(my/sasl-password "acdw" "irc.freenode.net")
           :channels ("#emacs" "#daydreams"))
          ("Tilde.chat"
           :tls t
           :port 6697
           :nick "acdw"
           :sasl-username "acdw"
           :sasl-password ,(my/sasl-password "acdw" "irc.tilde.chat")
           :channels ("#gemini" "#meta"))))
  (enable-lui-track-bar)
  :custom-face
  (circe-my-message-face ((t (:inherit 'circe-highlight-nick-face :weight normal))))
  (circe-originator-face ((t (:weight bold))))
  (circe-prompt-face ((t (:inherit 'circe-my-message-face)))))