;;; init.el --- My Emacs init
;;; Commentary:
;;; Code:

(require 'uniquify)

(eval-when-compile
  (require 'cl)
  (require 'esh-io)
  (require 'esh-proc)
  (require 'dash))

(autoload 'define-slime-contrib "slime")
(autoload 'gtags-mode "gtags" nil t)
(autoload 'jabber-connect "jabber" nil t)
(autoload 'jabber-message-libnotify "jabber-libnotify")
(autoload 'jabber-muc-libnotify "jabber-libnotify")
(autoload 'php-mode "php-mode" nil t)
(autoload 'po-mode "po-mode" nil t)
(autoload 'pony-mode "pony-mode" nil t)
(autoload 'sawfish-mode "sawfish" nil t)
(autoload 'server-running-p "server")
(autoload 'slime-js-minor-mode "slime-js" nil t)
(autoload 'tagedit-mode "tagedit" nil t)
(autoload 'w3m-bookmark-view "w3m" nil t)
(autoload 'w3m-goto-url "w3m" nil t)
(autoload 'xmodmap-mode "xmodmap-mode" nil t)

(defadvice org-agenda-redo (after ext:org-agenda-redo-add-appts)
  "Pressing `r' on the agenda will also add appointments."
  (progn
    (setq appt-time-msg-list nil)
    (org-agenda-to-appt)))

(defadvice term-handle-exit (after oni:kill-buffer-after-exit activate)
  "Kill the term buffer if the process finished."
  (kill-buffer (current-buffer)))

(defmacro eval-after-init (&rest body)
  "Defer execution of BODY until after Emacs init."
  (declare (indent 0))
  `(add-hook 'emacs-startup-hook #'(lambda () ,@body)))

(defmacro mode-hooks (&rest lst)
  "Apply `add-mode-hooks' to each element of LST."
  (declare (indent 0))
  `(progn
     ,@(level (mapcar
               #'(lambda (itm)
                   (add-mode-hooks (car itm) (list 'quote (cadr itm)))) lst))))

(defmacro stante-after (feature &rest forms)
  "After FEATURE is loaded, evaluate FORMS.

FEATURE may be an unquoted feature symbol or a file name, see
`eval-after-load'."
  (declare (indent 1) (debug t))
  ;; Byte compile the body. If the feature is not available, ignore
  ;; warnings. Taken from
  ;; http://lists.gnu.org/archive/html/bug-gnu-emacs/2012-11/msg01262.html
  (let ((loaded (if (symbolp feature)
                    (require feature nil :no-error)
                  (load feature :no-error :no-message))))
    `(,(if loaded
           'progn
         (message "stante-after: cannot find %s" feature)
         'with-no-warnings)
      (eval-after-load ',feature
        `(funcall (function ,(lambda () ,@forms)))))))

(eval-and-compile
  (defun add-hooks (hooks function &optional append local)
    "`add-hook' for each in HOOKS."
    (mapcar (lambda (h)
              `(add-hook (quote ,h) ,function ,append ,local))
            hooks))

  (defun add-mode-hooks (modes function &optional append local)
    "`add-hooks' with MODES renamed to mode-mode-hook."
    (let ((mode-names (mapcar #'make-mode-hook-name modes)))
      (add-hooks mode-names function append local))))

(defun enable (functions)
  "Set the `disabled' property for each item in FUNCTIONS to nil."
  (mapc #'(lambda (f) (put f 'disabled nil)) functions))

(defun hostname ()
  "Get the current machine's hostname."
  (substring (shell-command-to-string "hostname") 0 -1))

(defun indent-defun ()
  "Indent the current defun."
  (interactive)
  (save-excursion
    (mark-defun)
    (indent-region (region-beginning) (region-end))))

(eval-when-compile
  (defun level (lst)
    (let ((lsts (mapcar (lambda (l) (if (listp l) l (list l))) lst)))
      (apply #'append lsts))))

(defun loadpath-add-and-autoload (path)
  "Add PATH to `load-path' and load a `loaddefs.el' if it exists."
  (add-to-list 'load-path path)
  (let ((loaddefs (concat path "/loaddefs.el")))
    (when (file-exists-p loaddefs)
      (load loaddefs))))

(eval-and-compile
  (defun make-mode-hook-name (mode)
    "Get the hook name for MODE."
    (intern (concat (symbol-name mode) "-mode-hook"))))

(defun move-beginning-of-dwim ()
  "Move to beginning of line either after indentation or before."
  (interactive)
  (let ((start (point)))
    (back-to-indentation)
    (if (= start (point))
        (move-beginning-of-line 1))))

(defun oni-eshell-prompt ()
  "Show a pretty shell prompt."
  (let ((status (if (zerop eshell-last-command-status) ?+ ?-))
        (hostname (hostname))
        (dir (abbreviate-file-name (eshell/pwd)))
        (branch
         (shell-command-to-string
          "git branch --contains HEAD 2>/dev/null | sed -e '/^[^*]/d'")))
    (concat
     (propertize (char-to-string status)
                 'face `(:foreground ,(if (= status ?+)
                                          "green"
                                        "red")))
     " "
     (propertize hostname 'face 'mode-line-buffer-id)
     " "
     (propertize (oni:shorten-dir dir) 'face 'font-lock-string-face)
     " "
     (when (not (string= branch ""))
       (propertize
        ;; Cut off "* " and "\n"
        (substring branch 2 -1)
        'face 'font-lock-function-name-face))
     " \n> ")))

(defun pp^L-ruler (win)
  "Just make a string ruler.

Of either `fci-rule-column' or `fill-column' length -1. Use the
`-' character. WIN is ignored."
  (ignore win)
  (make-string
   (1- (if (boundp 'fci-rule-column) fci-rule-column fill-column)) ?-))

(defun raise-eshell ()
  "Start or switch back to `eshell'.

Also change directories to current working directory."
  (interactive)
  (let ((dir (file-name-directory
              (or (buffer-file-name) "~/")))
        (hasfile (not (eq (buffer-file-name) nil)))
        (started (and (boundp 'eshell-buffer-name) eshell-buffer-name
                      (buffer-live-p (get-buffer eshell-buffer-name)))))
    (eshell)
    (when (and hasfile (eq eshell-process-list nil))
      (eshell/cd dir)
      (when started
        (eshell-reset)))))

(defun reload-buffer ()
  "Reload current buffer."
  (interactive)
  (revert-buffer nil t nil))

(defun set-smartparens-keys ()
  (local-set-key [remap backward-delete-char] 'sp-backward-delete-char)
  (local-set-key [remap delete-char] 'sp-delete-char)
  (local-set-key [remap kill-word] 'sp-kill-word)
  (local-set-key [remap backward-kill-word] 'sp-backward-kill-word)
  (local-set-key (kbd "<C-left>") 'sp-forward-barf-sexp)
  (local-set-key (kbd "<C-right>") 'sp-forward-slurp-sexp))

(defun turn-off (modes)
  "Turn off each mode in MODES."
  (mapc (lambda (m) (funcall m -1)) modes))

(defun turn-on-compilation-shell-for-pony ()
  (add-hook 'pony-minor-mode-hook 'compilation-shell-minor-mode nil t))

(defalias 'yes-or-no-p 'y-or-n-p)
(defalias 'list-buffers 'ibuffer)
(defalias 'dabbrev-expand 'hippie-expand)

;; Get rid of annoying and useless
(turn-off '(menu-bar-mode scroll-bar-mode tool-bar-mode blink-cursor-mode
            column-number-mode line-number-mode tooltip-mode))

(mapc #'loadpath-add-and-autoload
      '("~/.emacs.d/site-lisp" "~/projects/emacs/pony-mode/src"
        "~/projects/emacs/php-mode" "~/.emacs.d/vendor-lisp/org/lisp"
        "~/.emacs.d/vendor-lisp/org/contrib/lisp"
        "~/.emacs.d/vendor-lisp/eap"))

(stante-after appt
  (setq appt-disp-window-function #'oni:appt-display-window-and-jabber)
  (setq appt-display-diary nil))

(stante-after "bindings"
  (setq mode-line-default-help-echo ""))

(stante-after browse-url
  (setq browse-url-browser-function 'browse-url-generic)
  (setq browse-url-generic-program (getenv "BROWSER")))

(stante-after cc-vars
  (setq-default c-basic-offset 4)
  (setq c-offsets-alist
        '((statement-block-intro . +)
          (knr-argdecl-intro . 5)
          (substatement-open . +)
          (substatement-label . 0)
          (label . 0)
          (statement-case-open . +)
          (statement-cont . +)
          (arglist-intro . +)
          (arglist-close . 0)
          (inline-open . 0)
          (brace-list-open . +)
          (topmost-intro-cont first c-lineup-topmost-intro-cont
           c-lineup-gnu-DEFUN-intro-cont))))

(stante-after compile
  (setq compilation-scroll-output t))

(stante-after custom
  (setq custom-theme-directory "~/.emacs.d/themes")
  (eval-after-init (load-theme 'yoshi t)))

(stante-after desktop
  (setq desktop-load-locked-desktop t)
  (setq desktop-clear-preserve-buffers
        (append (list (rx (and bol (or (and "+" (1+ anything))
                                       "dailies" "work" "tasks"
                                       (or "bookmarks.org"
                                           "contacts.org")) eol))
                      (rx (or "*ielm*" "*-jabber-roster-*" "*eshell*"))
                      (rx (and "*" (or "magit" "scratch-") (1+ anything)
                               "*")))
                desktop-clear-preserve-buffers))
  (setq desktop-files-not-to-save
        (rx (or (regexp "\\(^/[^/:]*:\\|(ftp)$\\)")
                (and "/" (or "dailies" "tasks" "bookmarks.org"
                             "contacts.org" "work") eol)))))

(stante-after eap
  (setq eap-music-library "/mnt/music")
  (setq eap-playlist-library "~/music/playlists"))

(stante-after em-prompt
  (setq eshell-highlight-prompt nil)
  (setq eshell-prompt-function 'oni-eshell-prompt)
  (setq eshell-prompt-regexp "^> "))

(stante-after em-term
  (add-to-list 'eshell-visual-commands "unison"))

(stante-after emms
  (emms-minimalistic)
  (emms-default-players)

  (require 'emms-player-mpd)
  (require 'emms-mode-line))

(stante-after emms-mode-line
  (setq emms-mode-line-mode-line-function 'oni:mode-line-current-song)
  (emms-mode-line 1))

(stante-after emms-player-mpd
  (add-to-list 'emms-player-list 'emms-player-mpd)
  (setq emms-player-mpd-music-directory "/mnt/music/mp3"))

(stante-after erc
  (setq erc-hide-list '("PART"))
  (setq erc-nick "ryuslash"))

(stante-after erc-join
  (setq erc-autojoin-channels-alist
        '(("freenode.net" "#ninthfloor" "#emacs" "#dispass"))))

(stante-after erc-stamp
  (setq erc-insert-timestamp-function 'erc-insert-timestamp-left)
  (setq erc-timestamp-format "[%H:%M] ")
  (setq erc-timestamp-only-if-changed-flag nil))

(stante-after files
  (setq-default require-final-newline t)
  (setq auto-mode-case-fold nil)
  (setq auto-save-file-name-transforms
        `((".*" "~/.local/share/emacs/autosave/" t)))
  (setq backup-directory-alist
        `((".*" . "~/.local/share/emacs/backup/")))
  (setq auto-mode-alist
        (append '(("/PKGBUILD$" . sh-mode)
                  (".install$" . sh-mode)
                  ("\\.jl$" . sawfish-mode)
                  ("\\.js\\(on\\)?$" . js2-mode)
                  ("\\.m\\(ark\\)?d\\(?:o?wn\\)?$" . markdown-mode)
                  ("\\.php[345]?$" . php-mode)
                  ("\\.po\\'\\|\\.po\\." . po-mode)
                  ("\\.tpl$" . html-mode)
                  ("^\\.Xmodmap$" . xmodmap-mode))
                auto-mode-alist)))

(stante-after fill-column-indicator
  (setq-default fci-rule-column 73))

(stante-after flycheck
  (mapc (lambda (c) (delq c flycheck-checkers))
        '(python-pylint python-pyflakes)))

(stante-after geiser-repl
  (setq geiser-repl-history-filename "~/.emacs.d/geiser-history"))

(stante-after gnus-start
  (setq gnus-init-file "~/.emacs.d/gnus"))

(stante-after grep
  (add-to-list 'grep-find-ignored-directories "migrations"))

(stante-after help-at-pt
  (setq help-at-pt-display-when-idle t))

(stante-after ido
  (setq ido-ignore-buffers
        (list "^\\` " "^irc\\." "^\\#" "^\\*Customize Option:"
              (rx (or "*-jabber-roster-*" "*Messages*" "*fsm-debug*"
                      "*magit-process*" "*magit-edit-log*" "*Backtrace*"
                      "*Ibuffer*"))))
  (setq ido-auto-merge-work-directories-length -1)
  (setq ido-default-buffer-method 'selected-window)
  (setq ido-max-window-height 1)
  (setq ido-save-directory-list-file nil))

(stante-after ido-ubiquitous
  (setq ido-ubiquitous-command-exceptions
        '(org-refile org-capture-refile)))

(stante-after jabber
  (remove-hook 'jabber-alert-presence-hooks 'jabber-presence-echo)
  (setq jabber-account-list
        `((,(concat "tom@ryuslash.org/" (hostname))
           (:connection-type . ssl)))))

(stante-after jabber-avatar
  (setq jabber-avatar-cache-directory "~/.emacs.d/jabber-avatars/"))

(stante-after jabber-chat
  (setq jabber-chat-buffer-format "+%n")
  (setq jabber-chat-foreign-prompt-format "%t %u/%r <\n")
  (setq jabber-chat-local-prompt-format "%t %u/%r >\n")
  (setq jabber-chat-buffer-show-avatar nil))

(stante-after jabber-chat-states
  (setq jabber-chatstates-confirm nil))

(stante-after jabber-history
  (setq jabber-history-enabled t)
  (setq jabber-use-global-history  nil)
  (setq jabber-history-dir "~/.emacs.d/jabber-hist"))

(stante-after jabber-muc
  (setq jabber-groupchat-buffer-format "++%n")
  (setq jabber-groupchat-prompt-format "%t %u --\n")
  (setq jabber-muc-autojoin '("aethon@muc.ryuslash.org")))

(stante-after jabber-roster
  (setq jabber-roster-show-bindings nil)
  (setq jabber-show-offline-contacts nil))

(stante-after jabber-vcard-avatars
  (setq jabber-vcard-avatars-publish nil)
  (setq jabber-vcard-avatars-retrieve nil))

(stante-after jedi
  (setcar jedi:server-command "python2")
  (setq jedi:tooltip-method nil))

(stante-after jit-lock
  (setq jit-lock-defer-time 0.2))

(stante-after magit
  (setq magit-repo-dirs '("~/projects/")))

(stante-after message
  (setq message-send-mail-function 'message-send-mail-with-sendmail)
  (setq message-sendmail-extra-arguments '("-a" "ryuslash")))

(stante-after minibuf-eldef
  (setq minibuffer-eldef-shorten-default t))

(stante-after org
  (setq org-special-ctrl-a/e t))

(stante-after package
  (setq package-archives
        '(("melpa" . "http://melpa.milkbox.net/packages/")
        ("marmalade" . "http://marmalade-repo.org/packages/")
        ("gnu" . "http://elpa.gnu.org/packages/")))
  (setq package-load-list '((htmlize "1.39")
                            (lua-mode "20111107")
                            (dispass "1.1.2.1")
                            all)))

(stante-after "paragraph"
  (setq sentence-end-double-space nil))

(stante-after php-mode
  (setq-default php-mode-warn-if-mumamo-off nil)
  (setq php-function-call-face 'font-lock-function-name-face)
  (setq php-mode-force-pear t))

(stante-after pp-c-l
  (setq pp^L-^L-string-function 'pp^L-ruler)
  (setq pp^L-^L-string-pre nil))

(stante-after sendmail
  (setq send-mail-function 'sendmail-send-it)
  (setq sendmail-program "/usr/bin/msmtp"))

(stante-after slime
  (setq inferior-lisp-program "sbcl --noinform --no-linedit"))

(stante-after smex
  (setq smex-key-advice-ignore-menu-bar t)
  (setq smex-save-file "~/.emacs.d/smex-items"))

(stante-after "startup"
  (setq inhibit-default-init t)
  (setq inhibit-startup-message t)
  (setq initial-major-mode 'emacs-lisp-mode)
  (setq initial-scratch-message nil)
  (setq user-mail-address "tom@ryuslash.org"))

(stante-after time-stamp
  (setq time-stamp-active t)
  (setq time-stamp-format "%04y-%02m-%02d %02H:%02M:%02S (%u)"))

(stante-after type-break
  (setq type-break-good-rest-interval (* 60 10))
  (setq type-break-interval (* 60 50))
  (setq type-break-keystroke-threshold '(nil . nil)))

(stante-after uniquify
  (setq uniquify-buffer-name-style 'post-forward))

(stante-after w3m
  (setq w3m-fill-column 72))

(stante-after "window"
  (setq split-height-threshold 40)
  (add-to-list
   'display-buffer-alist
   '("^\\*\\(?:.+-\\)?scratch\\*$" display-buffer-same-window))
  (add-to-list
   'display-buffer-alist
   '("^\\*git-project-list\\*$" git-project-show-window))
  (add-to-list
   'display-buffer-alist
   '("^\\*magit: .*\\*$" display-buffer-same-window)))

(stante-after yasnippet
  (setq yas-fallback-behavior nil)
  (setq yas-prompt-functions '(yas-ido-prompt)))

(mode-hooks
  ((clojure emacs-lisp lisp sawfish scheme ielm geiser-repl slime-repl)
   paredit-mode)
  ((comint) turn-on-compilation-shell-for-pony)
  ((css) rainbow-mode)
  ((emacs-lisp go html lua php python rst ruby rust sh) flycheck-mode)
  ((emacs-lisp ielm) eldoc-mode)
  ((eshell) buffer-disable-undo)
  ((html org prog) yas-minor-mode)
  ((html prog) fci-mode)
  ((python) smartparens-mode)
  ((html) tagedit-mode)
  ((js2) slime-js-minor-mode)
  ((markdown python) whitespace-mode)
  ((prog text) auto-fill-mode)
  ((prog) rainbow-delimiters-mode)
  ((python) jedi:setup)
  ((smartparens) set-smartparens-keys)
  ((tagedit) tagedit-add-experimental-features)
  ((tagedit) tagedit-add-paredit-like-keybindings)
  ((text) flyspell-mode)
  ((vala) oni:vala-mode-func))

(add-hook 'emacs-startup-hook 'pretty-control-l-mode)
(add-hook 'after-make-frame-functions
          '(lambda (arg) (pretty-control-l-mode)))
(add-hook 'jabber-alert-message-hooks 'jabber-message-libnotify)
(add-hook 'jabber-alert-muc-hooks     'jabber-muc-libnotify)

(setq-default bidi-paragraph-direction 'left-to-right)
(setq-default tab-width 4)
(setq-default indent-tabs-mode nil)
(setq-default truncate-lines t)
(setq custom-file "~/.emacs.d/custom.el")
(setq default-frame-alist
      `((border-width . 0)
        (internal-border-width . 0)
        (vertical-scroll-bars . nil)
        (menu-bar-lines . nil)
        (tool-bar-lines . nil)
        (font . "Envy Code R:pixelsize=16")))
(setq frame-title-format '(:eval (concat "emacs: " (buffer-name))))
(setq inhibit-local-menu-bar-menus t)
(setq message-log-max 1000)
(setq redisplay-dont-pause t)
(setq use-dialog-box nil)
(setq user-full-name "Tom Willemse")
(setq window-combination-resize t)
(add-to-list 'debug-ignored-errors "^Can't shift all lines enough")
;; Can't be put in an eval-after-load or such because by then it will
;; be too late.
(setq elnode-do-init nil)

(enable '(downcase-region narrow-to-page narrow-to-region scroll-left
          upcase-region))

(eval-after-init (ido-ubiquitous-mode))

(eval-after-init
  (load (expand-file-name "~/.local/share/quicklisp/slime-helper.el")))

(eval-after-load "org" '(require 'org-init))

(eval-after-init
  (require 'auto-complete-config)
  (ac-config-default))

(load "eap-autoloads")

(eval-after-init (smex-initialize))
(eval-after-init (global-diff-hl-mode))
(eval-after-init (mode-icons-mode))
(eval-after-init (desktop-registry-auto-register))


;; (setq pony-tpl-indent-moves t)
;; (setq rainbow-delimiters-max-face-count 12)

(add-hook 'after-save-hook 'oni:after-save-func t)
(add-hook 'before-save-hook 'oni:before-save-func)
(add-hook 'c-mode-hook 'oni:c-mode-func)
(add-hook 'css-mode-hook 'oni:css-mode-func)
(add-hook 'diary-display-hook 'oni:diary-display-func)
(add-hook 'go-mode-hook 'oni:go-mode-func)
(add-hook 'gtags-mode-hook 'oni:gtags-mode-func)
(add-hook 'haskell-mode-hook 'oni:haskell-mode-func)
(add-hook 'jabber-roster-mode-hook 'oni:jabber-roster-mode-func)
(add-hook 'java-mode-hook 'oni:java-mode-func)
(add-hook 'js-mode-hook 'oni:js-mode-func)
(add-hook 'js2-mode-hook 'oni:js2-mode-func)
(add-hook 'lua-mode-hook 'oni:lua-mode-func)
(add-hook 'markdown-mode-hook 'oni:markdown-mode-func)
(add-hook 'php-mode-hook 'oni:php-mode-func)
(add-hook 'prog-mode-hook 'oni:prog-mode-func)
(add-hook 'python-mode-hook 'oni:python-mode-func)
(add-hook 'term-mode-hook 'oni:term-mode-func)
(add-hook 'write-file-hooks 'oni:write-file-func)
(add-hook 'yas-minor-mode-hook 'oni:yas-minor-mode-func)

(global-set-key (kbd "'") 'oni:self-insert-dwim)
(global-set-key (kbd "<XF86HomePage>") 'oni:raise-scratch)
(global-set-key (kbd "<XF86Mail>") 'gnus)
(global-set-key (kbd "<f10>") 'git-project-show-files)
(global-set-key (kbd "<f5>") 'reload-buffer)
(global-set-key (kbd "<f6>") 'jabber-switch-to-roster-buffer)
(global-set-key (kbd "<f7>") 'magit-status)
(global-set-key (kbd "<f8>") 'raise-eshell)
(global-set-key (kbd "<hiragana>") 'oni:show-org-index)
(global-set-key (kbd "C-<") 'oni:indent-shift-left)
(global-set-key (kbd "C->") 'oni:indent-shift-right)
(global-set-key (kbd "C-M-4") 'split-window-vertically)
(global-set-key (kbd "C-M-SPC") 'er/expand-region)
(global-set-key (kbd "C-M-d") 'kill-word)
(global-set-key (kbd "C-M-w") 'backward-kill-word)
(global-set-key (kbd "C-M-x") 'smex-major-mode-commands)
(global-set-key (kbd "C-M-z") 'indent-defun)
(global-set-key (kbd "C-S-k") 'kill-whole-line)
(global-set-key (kbd "C-c a") 'org-agenda)
(global-set-key (kbd "C-c c") 'org-capture)
(global-set-key (kbd "C-c d c") 'desktop-clear)
(global-set-key (kbd "C-c d d") 'desktop-registry-change-desktop)
(global-set-key (kbd "C-c d s") 'desktop-save)
(global-set-key (kbd "C-c i p") 'identica-update-status-interactive)
(global-set-key (kbd "C-c p") 'oni:show-buffer-position)
(global-set-key (kbd "C-c t") 'oni:raise-ansi-term)
(global-set-key (kbd "C-c w d") 'oni:downcase-prev)
(global-set-key (kbd "C-c w u") 'oni:upcase-prev)
(global-set-key (kbd "C-e") 'oni:move-end-of-dwim)
(global-set-key (kbd "M-0") 'delete-window)
(global-set-key (kbd "M-1") 'delete-other-windows)
(global-set-key (kbd "M-2") 'split-window-below)
(global-set-key (kbd "M-3") 'split-window-right)
(global-set-key (kbd "M-4") 'split-window-horizontally)
(global-set-key (kbd "M-n") 'helm-imenu)
(global-set-key (kbd "M-o") 'other-window)
(global-set-key (kbd "M-x")   'smex)
(global-set-key (kbd "\"") 'oni:self-insert-dwim)
(global-set-key [remap move-beginning-of-line] 'move-beginning-of-dwim)

(if (daemonp)
    (global-set-key "\C-x\C-c" 'oni:close-client-window))

(when (or window-system (daemonp))
  (global-unset-key "\C-z"))

(ido-mode)
(minibuffer-electric-default-mode)
(auto-insert-mode)
(electric-indent-mode)
(savehist-mode)
(show-paren-mode)
(winner-mode)
(help-at-pt-set-timer)
(windmove-default-keybindings)

;;; Popping up multiple frames out of the blue does not usually play
;;; well with (manual) tiling window managers.
(setq ediff-window-setup-function 'ediff-setup-windows-plain)

;;; Not being able to find newly written functions in imenu is a pain.
(setq imenu-auto-rescan t)

;;; Yanking at click makes not sense to me. I normally have my cursor
;;; where it needs to point and if I *have* to use the mouse I prefer
;;; just clicking it wherever it lands, without having to drag it all
;;; the way to the proper place.
(setq mouse-yank-at-point t)

;;; Always having to move the cursor around so much after scrolling
;;; gets annoying.
(setq scroll-preserve-screen-position t)

;;; I store my blog posts in `~/documents/blog', not the default
;;; `~/Blog'.
(setq eltuki-blog-dir "~/documents/blog")

(setq sp-cancel-autoskip-on-backward-movement nil)

(defun oni:scroll-down-or-prev-page (arg)
  "Either scroll down or go to the previous page.

Depending on the value of `buffer-narrowed-p'."
  (interactive "^P")
  (if (buffer-narrowed-p)
      (let ((scroll-error-top-bottom nil))
        (condition-case nil
            (scroll-down-command arg)
          (beginning-of-buffer
           (narrow-to-page -1)
           (goto-char (point-min)))))
    (scroll-down-command arg)))

(defun oni:scroll-up-or-next-page (arg)
  "Either scroll up or go to the next page.

Depending on the value of `buffer-narrowed-p'."
  (interactive "^P")
  (if (buffer-narrowed-p)
      (let ((scroll-error-top-bottom nil))
        (condition-case nil
            (scroll-up-command arg)
          (end-of-buffer
           (narrow-to-page 1)
           (goto-char (point-min)))))
    (scroll-up-command arg)))

(global-set-key (kbd "<prior>") 'oni:scroll-down-or-prev-page)
(global-set-key (kbd "<next>") 'oni:scroll-up-or-next-page)

;;;; Auto-complete

(setq-default ac-sources '(ac-source-imenu
                           ac-source-gtags
                           ac-source-abbrev
                           ac-source-yasnippet
                           ac-source-words-in-buffer
                           ac-source-words-in-same-mode-buffers
                           ac-source-dictionary
                           ac-source-functions
                           ac-source-symbols
                           ac-source-variables
                           ac-source-features))

;;;; Magit

(setq magit-default-tracking-name-function
      'magit-default-tracking-name-branch-only)
(setq magit-diff-refine-hunk 'all)

;;; Finally, load any `customize' settings.
(load custom-file)

(autoload 'notifications-notify "notifications")
(autoload 'jabber-send-message "jabber-chat")

(defmacro oni:email (user at host dot com)
  "Turn arguments into an email address.
The resulting email address will look like: USER@HOST.COM, AT and
DOT are intentionally being skipped."
  (concat (symbol-name user) "@" (symbol-name host) "."
          (symbol-name com)))

(defun oni:after-save-func ()
  "Function for `after-save-hook'."
  (oni:compile-el)
  (executable-make-buffer-file-executable-if-script-p)
  (let* ((dom-dir (locate-dominating-file (buffer-file-name) "Makefile"))
         (TAGSp (not (string= "" (shell-command-to-string
                                  (concat "grep \"^TAGS:\" " dom-dir "Makefile"))))))
    (when (and dom-dir TAGSp)
      (shell-command
       (concat "make -C " dom-dir " TAGS >/dev/null 2>&1")))))

(defun oni:appt-display-window-and-jabber (min-to-app new-time appt-msg)
  "Send a message to my phone jabber account."
  (jabber-send-message (car jabber-connections) "phone@ryuslash.org"
                       nil (format "%s%s (in %s minutes)"
                                   new-time appt-msg min-to-app) nil)
  (appt-disp-window min-to-app new-time appt-msg))
;; (jabber-send-message (car jabber-connections)
;; "aethon@muc.ryuslash.org" nil "Hi, I'm a programmatic message; this
;; upens up possibilities :)" "groupchat")
(defun oni:before-save-func ()
  "Function for `before-save-hook'."
  (if (eq major-mode 'html-mode)
      (oni:replace-html-special-chars))
  (if (not (eq major-mode 'markdown-mode))
      (delete-trailing-whitespace)))

(defun oni:c-mode-func ()
  "Function for `c-mode-hook'."
  (local-set-key [f9] 'compile)
  (local-set-key "\C-j" 'oni:newline-and-indent))

(defun oni:change-prev-case (num dir)
  (let ((regfunc (if (eq dir 'up) 'upcase-region 'downcase-region))
        (wordfunc (if (eq dir 'up) 'upcase-word 'downcase-word)))
    (if (> num 1)
        (funcall regfunc (point) (- (point) num))
      (funcall wordfunc -1))))

(defun oni:close-client-window ()
  "Close a client's frames."
  (interactive)
  (server-save-buffers-kill-terminal nil))

(defun oni:color-for (object)
  "Generate a hex color by taking the first 6 characters of OBJECT's MD5 sum."
  (format "#%s" (substring (md5 object) 0 6)))

(defun oni:compile-el ()
  "Compile the current buffer file if it is an .el file."
  (let* ((full-file-name (buffer-file-name))
         (file-name (file-name-nondirectory full-file-name))
         (suffix (file-name-extension file-name)))
      (if (and (not (string-equal file-name ".dir-locals.el"))
               (string-equal suffix "el"))
          (byte-compile-file full-file-name))))

(defun oni:css-mode-func ()
  "Function for `css-mode-hook'."
  (local-set-key "\C-j" 'oni:newline-and-indent))

(defun oni:current-jabber-status ()
  "Return a string representing the current jabber status."
  (or (and (not *jabber-connected*) "Offline")
      (and (not (string= *jabber-current-status* ""))
           *jabber-current-status*)
      "Online"))

(defun oni:diary-display-func ()
  "Function for `diary-display-hook'."
  (diary-fancy-display))

(defun oni:downcase-prev (num)
  (interactive "p")
  (oni:change-prev-case num 'down))

(defun oni:go-mode-func ()
  "Function for `go-mode-hook'."
  (setq indent-tabs-mode nil)
  (local-set-key "\C-j" 'oni:newline-and-indent))

(defun oni:gtags-mode-func ()
  "Function for `gtags-mode-hook'."
  (local-set-key "\M-," 'gtags-find-tag)
  (local-set-key "\M-." 'gtags-find-rtag))

(defun oni:haskell-mode-func ()
  "Function for `haskell-mode-hook'."
  (turn-on-haskell-indentation))

(defun oni:indent-shift-left (start end &optional count)
  "Rigidly indent region.
Region is from START to END.  Move
COUNT number of spaces if it is non-nil otherwise use
`tab-width'."
  (interactive
   (if mark-active
       (list (region-beginning) (region-end) current-prefix-arg)
     (list (line-beginning-position)
           (line-end-position)
           current-prefix-arg)))
  (if count
      (setq count (prefix-numeric-value count))
    (setq count tab-width))
  (when (> count 0)
    (let ((deactivate-mark nil))
      (save-excursion
        (goto-char start)
        (while (< (point) end)
          (if (and (< (current-indentation) count)
                   (not (looking-at "[ \t]*$")))
              (error "Can't shift all lines enough"))
          (forward-line))
        (indent-rigidly start end (- count))))))

(defun oni:indent-shift-right (start end &optional count)
  "Indent region between START and END rigidly to the right.
If COUNT has been specified indent by that much, otherwise look at
`tab-width'."
  (interactive
   (if mark-active
       (list (region-beginning) (region-end) current-prefix-arg)
     (list (line-beginning-position)
           (line-end-position)
           current-prefix-arg)))
  (let ((deactivate-mark nil))
    (if count
        (setq count (prefix-numeric-value count))
      (setq count tab-width))
    (indent-rigidly start end count)))

(defun oni:jabber-alert-message-func (from buffer text title)
  (notifications-notify :title title
                        :body text))

(defun oni:jabber-roster-mode-func ()
  "Function for `jabber-roster-mode-hook'."
  (setq mode-line-format
        (list (propertize " %m" 'face 'mode-line-buffer-id))))

(defun oni:java-mode-func ()
  "Function for `java-mode-hook'."
  (local-set-key "\C-j" 'oni:newline-and-indent))

(defun oni:js-mode-func ()
  "Function for `js-mode-hook'."
  (local-set-key "\C-j" 'oni:newline-and-indent))

(defun oni:js2-mode-func ()
  "Function for `js2-mode-hook'."
  (oni:js-mode-func)
  (local-set-key (kbd "<f5>") #'slime-js-reload))

(defun oni:lua-mode-func()
  "Function for `lua-mode-hook'."
  (local-unset-key (kbd ")"))
  (local-unset-key (kbd "]"))
  (local-unset-key (kbd "}")))

(defun oni:markdown-mode-func ()
  "Function for `markdown-mode-hook'."
  (setq-local whitespace-style '(face trailing)))

(defun oni:mini-fix-timestamp-string (date-string)
  "A minimal version of Xah Lee's `fix-timestamp-string'.
Turn DATE-STRING into something else that can be worked with in
code.  Found at http://xahlee.org/emacs/elisp_parse_time.html"
  (setq date-string (replace-regexp-in-string "Jan" "01" date-string)
        date-string (replace-regexp-in-string "Feb" "02" date-string)
        date-string (replace-regexp-in-string "Mar" "03" date-string)
        date-string (replace-regexp-in-string "Apr" "04" date-string)
        date-string (replace-regexp-in-string "May" "05" date-string)
        date-string (replace-regexp-in-string "Jun" "06" date-string)
        date-string (replace-regexp-in-string "Jul" "07" date-string)
        date-string (replace-regexp-in-string "Aug" "08" date-string)
        date-string (replace-regexp-in-string "Sep" "09" date-string)
        date-string (replace-regexp-in-string "Oct" "10" date-string)
        date-string (replace-regexp-in-string "Nov" "11" date-string)
        date-string (replace-regexp-in-string "Dec" "12" date-string))
  (string-match
   "^\\([0-9]\\{2\\}\\)-\\([0-9]\\{2\\}\\)-\\([0-9]\\{4\\}\\)$"
   date-string)
  (format "%s-%s-%s"
          (match-string 3 date-string)
          (match-string 2 date-string)
          (match-string 1 date-string)))

(defun oni:mode-line-current-song ()
  "Extract current song information from a path.

EMMS only shows me the absolute path of a song, this function
extracts the parts I want to know about."
  (let* ((song (emms-track-name (emms-playlist-current-selected-track)))
         (matchp (string-match "\\([^/]+\\)/\\([0-9]\\{4\\}\\) - \\(.+\\)/\\([0-9]\\{2,3\\}\\) - \\(.+\\)\\..\\{3,4\\}$" song))
         (band (substring song (match-beginning 1) (match-end 1)))
         (year (substring song (match-beginning 2) (match-end 2)))
         (album (substring song (match-beginning 3) (match-end 3)))
         (track (substring song (match-beginning 4) (match-end 4)))
         (title (substring song (match-beginning 5) (match-end 5))))
    (format "[%s - %s]" band title)))

(defun oni:move-end-of-dwim ()
  "Move to end of line, either before any comments or after."
  (interactive)
  (let ((start (point))
        (eolpos (line-end-position)))
    (beginning-of-line)
    (if (and comment-start
             (not (looking-at (regexp-quote comment-start)))
             (comment-search-forward eolpos t))
        (progn
          (search-backward-regexp (concat "[^ \t" comment-start "]"))
          (forward-char)

          (when (or (bolp)
                    (= start (point)))
            (end-of-line)))
      (end-of-line))))

(defun oni:myepisodes-formatter (plist)
  "Format RSS items from MyEpisodes as org tasks.
PLIST contains all the pertinent information."
  (let ((str (plist-get plist :title)))
    (string-match
     "^\\[ \\([^\]]+\\) \\]\\[ \\([^\]]+\\) \\]\\[ \\([^\]]+\\) \\]\\[ \\([^\]]+\\) \\]$"
     str)
    (let* ((title (match-string 1 str))
           (episode (match-string 2 str))
           (name (match-string 3 str))
           (date (oni:mini-fix-timestamp-string (match-string 4 str))))
      (format "* ACQUIRE %s %s - %s \n  SCHEDULED: <%s>"
              title episode name date))))

(defun oni:newline-and-indent ()
  "`newline-and-indent', but with a twist.
When dealing with braces, add another line and indent that too."
  (interactive)
  (if (and (not (or (= (point) (point-max))
                    (= (point) (point-min))))
           (or (and (char-equal (char-before) ?{)
                    (char-equal (char-after) ?}))
               (and (char-equal (char-before) ?\()
                    (char-equal (char-after) ?\)))))
      (save-excursion (newline-and-indent)))
  (newline-and-indent))

(defun oni:php-mode-func ()
  "Function for `php-mode-hook'."
  (local-set-key "\C-j" 'oni:newline-and-indent)
  (c-set-offset 'arglist-intro '+)
  (c-set-offset 'arglist-close '0)
  (setq-local fci-rule-column 80))

(defun oni:prog-mode-func ()
  "Function for `prog-mode-hook'."
  (setq-local comment-auto-fill-only-comments t))

(defun oni:python-mode-func ()
  "Function for `python-mode-hook'."
  (local-set-key (kbd "C->") 'python-indent-shift-right)
  (local-set-key (kbd "C-<") 'python-indent-shift-left)
  (set (make-local-variable 'electric-indent-chars) nil)
  (setq fci-rule-column 79
        fill-column 72)
  (setq-local whitespace-style '(tab-mark)))

(defun oni:raise-ansi-term (arg)
  "Create or show an `ansi-term' buffer."
  (interactive "P")
  (let ((buffer (get-buffer "*ansi-term*")))
    (if (and buffer (not arg))
        (switch-to-buffer buffer)
      (ansi-term (getenv "SHELL")))))

(defun oni:raise-scratch (&optional mode)
  "Show the *scratch* buffer.
If called with a universal argument, ask the user which mode to
use.  If MODE is not nil, open a new buffer with the name
*MODE-scratch* and load MODE as its major mode."
  (interactive (list (if current-prefix-arg
                         (read-string "Mode: ")
                       nil)))
  (let* ((bname (if mode
                    (concat "*" mode "-scratch*")
                  "*scratch*"))
         (buffer (get-buffer bname))
         (mode-sym (intern (concat mode "-mode"))))

    (unless buffer
      (setq buffer (generate-new-buffer bname))
      (with-current-buffer buffer
        (when (fboundp mode-sym)
          (funcall mode-sym))))

    (select-window (display-buffer buffer))))

(defun oni:replace-html-special-chars ()
  "Replace special characters with HTML escaped entities."
  (oni:replace-occurrences "é" "&eacute;"))

(defun oni:replace-occurrences (from to)
  "Replace all occurrences of FROM with TO in the current buffer."
  (save-excursion
    (goto-char (point-min))
    (while (search-forward from nil t)
      (replace-match to))))

(defun oni:request-pull ()
  "Start a mail to request pulling from a git repository."
  (interactive)
  (let* ((default-directory
           (expand-file-name
            (or (locate-dominating-file default-directory ".git")
                (magit-read-top-dir nil))))
         (refs (magit-list-interesting-refs magit-uninteresting-refs))
         (from (cdr (assoc (completing-read "From: " refs) refs)))
         (url (read-from-minibuffer "Pull URL: "))
         (to (symbol-name (read-from-minibuffer "Up to (HEAD): "
                                                nil nil t nil "HEAD")))
         (patchp (and current-prefix-arg (listp current-prefix-arg))))
    (message "Requesting pull for %s from %s to %s at %s with%s patch"
             default-directory from to url (if patchp "" "out"))

    (compose-mail
     nil (concat
          "Requesting pull for "
          (file-name-base (directory-file-name default-directory))))

    (save-excursion
      (goto-char (point-max))
      (insert
       (shell-command-to-string
        (concat "git --git-dir='" default-directory ".git' --work-tree='"
                default-directory "' request-pull " (when patchp "-p ")
                from " " url " " to))))))

(defun oni:self-insert-dwim ()
  "Execute self insert, but when the region is active call self
insert at the end of the region and at the beginning."
  (interactive)
  (if (region-active-p)
      (let ((electric-pair-mode nil)
            (beginning (region-beginning))
            (end (region-end)))
        (goto-char end)
        (self-insert-command 1)
        (save-excursion
          (goto-char beginning)
          (self-insert-command 1)))
    (self-insert-command 1)))

(defun oni:shorten-dir (dir)
  "Shorten a directory, (almost) like fish does it."
  (while (string-match "\\(/\\.?[^./]\\)[^/]+/" dir)
    (setq dir (replace-match "\\1/" nil nil dir)))
  dir)

(defun oni:show-buffer-position ()
  "Show the position in the current buffer."
  (interactive)
  (message (format "%d:%d" (line-number-at-pos) (current-column))))

(defun oni:show-org-index ()
  "Show the index of my org files."
  (interactive)
  (find-file "~/documents/org/index.org"))

(defun oni:skip-ex-tag ()
  (let ((tags (org-entry-get (point) "TAGS")))
    (when (and tags (string-match-p ":ex:" tags))
      (save-excursion
        (org-forward-element)
        (point)))))

(defun oni:split-window-interactive (dir)
  "Split windows in direction DIR.

Can also delete or switch to another window."
  (interactive
   (list (read-char "Direction (h,v,q,d,o): ")))
  (case dir
    ((?v) (split-window-vertically))
    ((?h) (split-window-horizontally))
    ((?q) (delete-other-windows))
    ((?d) (delete-window))
    ((?o) (other-window 1))))

(defun oni:split-window-interactively (window)
  "Ask for a direction and split WINDOW that way.

If no direction is given, don't split."
  (let ((dir (read-char "Direction (h,v): ")))
    (case dir
      ((?v) (split-window-vertically))
      ((?h) (split-window-horizontally))
      (t window))))

(defun oni:start-python-test-mail-server ()
  "Run the python test mailserver."
  (interactive)
  (start-process "python-test-mail-server" "*py-mail-server*" "python" "-m"
                 "smtpd" "-n" "-c" "DebuggingServer" "localhost:1025"))

(defun oni:stop-python-test-mail-server ()
  "Stop the python test mailserver."
  (interactive)
  (kill-process "python-test-mail-server"))

(defun oni:term-mode-func ()
  "Function for `term-mode-hook'."
  (setq truncate-lines nil))

(defun oni:upcase-prev (num)
  (interactive "p")
  (oni:change-prev-case num 'up))

(defun oni:vala-mode-func ()
  "Function for `vala-mode-hook'."
  (setq indent-tabs-mode nil))

(defun oni:write-file-func ()
  "Function for `write-file-hooks'."
  (time-stamp))

(defun oni:yas-minor-mode-func ()
  "Function for `yas-minor-mode-hook'."
  (define-key yas-minor-mode-map (kbd "TAB") nil)
  (define-key yas-minor-mode-map [(tab)] nil)
  (define-key yas-minor-mode-map (kbd "C-\\") 'yas-expand))

(defvar oni:mailbox-map
  '("top" ("menu"
           ("ryulash.org" . "ryuslash")
           ("ninthfloor"  . "ninthfloor")
           ("gmail"       . "gmail")
           ("aethon"      . "aethon")))
  "A mailbox map for use with `tmm-prompt'.")