;;; Package --- Summary

;;; Commentary:

;;; Code:
(package-initialize)

;; Make sure `emacs-leuven.el' is in your `load-path'.
;;(add-to-list 'load-path "/home/lemon/code/github/emacs-leuven")
;;(setq leuven-elpa-ignored-packages '(git-commit-mode))

;; get zz, zt from vim etc in emacs - from http://www.emacswiki.org/emacs/RecenterLikeVi
(defun line-to-top-of-window ()
   "Shift current line to the top of the window-  i.e. zt in Vim"
   (interactive)
   (set-window-start (selected-window) (point))
)

(defun line-to-bottom-of-window ()
  "Shift current line to the botom of the window- i.e. zb in Vim"
  (interactive)
  (line-to-top-of-window) 
  (scroll-down (- (window-height) 3))
)

(defun ctrl-e-in-vi (n)
 (interactive "p")
 (scroll-up n))

(defun ctrl-y-in-vi (n)
 (interactive "p")
 (scroll-down n))

(global-set-key "\M-n" 'ctrl-e-in-vi)
(global-set-key "\M-p" 'ctrl-y-in-vi)
(global-set-key "\C-x\C-a\C-a" 'line-to-top-of-window)
(global-set-key "\C-x\C-r" 'line-to-bottom-of-window)

  ;; Treat undo history as a tree.
  (with-eval-after-load "undo-tree-autoloads"

    ;; Enable Global-Undo-Tree mode.
    (global-undo-tree-mode 1))

  (with-eval-after-load "undo-tree"

    (with-eval-after-load "diminish-autoloads"
      (diminish 'undo-tree-mode))

    ;; Display times relative to current time in visualizer.
    (setq undo-tree-visualizer-relative-timestamps t)

    ;; Display time-stamps by default in undo-tree visualizer.
    (setq undo-tree-visualizer-timestamps t) ; Toggle time-stamps display using `t'.

    ;; Display diff by default in undo-tree visualizer.
    (setq undo-tree-visualizer-diff t) ; Toggle the diff display using `d'.

    (define-key undo-tree-map (kbd "C-/") nil)

    ;; (defalias 'redo 'undo-tree-redo)
    (global-set-key (kbd "C-S-z") #'undo-tree-redo)
    (global-set-key (kbd "<S-f11>") #'undo-tree-redo))


;; Require it as normal.
;;(require 'emacs-leuven)
(load-file "/home/lemon/code/github/emacs-leuven/org-custom-agenda-views.el")


;; enable znc (which is sitting on bobbins server 46.101.17.241)
(require 'znc)

(defun email-buffer ()
  "Send region as the body of an email."
  (interactive)
  (let ((content (buffer-string)))
    (compose-mail)
    (message-goto-body)
    (insert content)
    (message-goto-to)))

;;let's switch off global highlight mode - this doesn't switch it off!
(global-hl-line-mode 0)

;;line number mode-line
(line-number-mode 1)

;;switch off company mode
(company-mode)

;;set cursor colour
(set-cursor-color "#ffffff")
(setq-default cursor-type 'box)

(setq custom-file "~/.emacs.d/lisp/emacs-custom.el")
(load custom-file)

;; delete region with a keystroke
(global-set-key (kbd "M-a") 'delete-region)

;; enable encryption of files
;; to enable in org mode, include # -*- mode:org; epa-file-encrypt-to: ("me@mydomain.com") -*- as first line of file
;; where email is id of key. When you open, you'll need your passphrase, and when you save it will encrypt automatically
;; the org file should be saved with a .gpg suffix.
(require 'epa-file)
(epa-file-enable)

(when (>= emacs-major-version 24)
  (require 'package)
  (add-to-list
   'package-archives
   '("melpa" . "http://melpa.org/packages/")
   t)
  (package-initialize))

(setq ad-redefinition-action 'accept)


;; Place your settings here, which can override the settings of Emacs-Leuven.

;; I needed this to sort out a bad bug when emacs
;; was hanging whilst I tried to launch emacs - fixed on 29 October by
;; checking out https://github.com/emacs-helm/helm/issues/1000
;; (setq tramp-ssh-controlmaster-options
;;       (concat
;;        "-o ControlMaster=auto"
;;        "-o ControlPath='tramp.%%C -o ControlPersist=no"))

;; ledger-mode
(autoload 'ledger-mode "ledger-mode" "A major mode for Ledger" t)
(add-to-list 'load-path
             (expand-file-name "/path/to/ledger/source/lisp/"))
(add-to-list 'auto-mode-alist '("\\.ledger$" . ledger-mode))
(setq ledger-reconcile-default-commodity "£")

;; add my own lisp directory to .emacs.d
(add-to-list 'load-path "~/.emacs.d/lisp")

;; load org settings
(load "orgsettings.el")

;; load mu4e settings
(load "mu4esettings.el")

;; for displaying emoji?
;; Symbola is a font I installed on the Debian system on 8 November 2015
(emoji-fontset-enable "Symbola")

;; CLOJURE STUFF (from https://github.com/flyingmachine/emacs-for-clojure/blob/master/customizations/elisp-editing.el)
;; Automatically load paredit when editing a lisp file
;; More at http://www.emacswiki.org/emacs/ParEdit
(autoload 'enable-paredit-mode "paredit" "Turn on pseudo-structural editing of Lisp code." t)
(add-hook 'emacs-lisp-mode-hook       #'enable-paredit-mode)
(add-hook 'eval-expression-minibuffer-setup-hook #'enable-paredit-mode)
(add-hook 'ielm-mode-hook             #'enable-paredit-mode)
(add-hook 'lisp-mode-hook             #'enable-paredit-mode)
(add-hook 'lisp-interaction-mode-hook #'enable-paredit-mode)
(add-hook 'scheme-mode-hook           #'enable-paredit-mode)


;;;;
;; Clojure (from https://github.com/flyingmachine/emacs-for-clojure/blob/master/customizations/setup-clojure.el)
;; To the next ;;END
;;;;

;; Enable paredit for Clojure
(add-hook 'clojure-mode-hook 'enable-paredit-mode)

;; This is useful for working with camel-case tokens, like names of
;; Java classes (e.g. JavaClassName)
(add-hook 'clojure-mode-hook 'subword-mode)

;; A little more syntax highlighting
(require 'clojure-mode-extra-font-locking)

;; syntax hilighting for midje
(add-hook 'clojure-mode-hook
          (lambda ()
            (setq inferior-lisp-program "lein repl")
            (font-lock-add-keywords
             nil
             '(("(\\(facts?\\)"
                (1 font-lock-keyword-face))
               ("(\\(background?\\)"
                (1 font-lock-keyword-face))))
            (define-clojure-indent (fact 1))
            (define-clojure-indent (facts 1))))

;;;;
;; Cider
;;;;

;; provides minibuffer documentation for the code you're typing into the repl
(add-hook 'cider-mode-hook 'cider-turn-on-eldoc-mode)

;; go right to the REPL buffer when it's finished connecting
(setq cider-repl-pop-to-buffer-on-connect t)

;; When there's a cider error, show its buffer and switch to it
(setq cider-show-error-buffer t)
(setq cider-auto-select-error-buffer t)

;; Where to store the cider history.
(setq cider-repl-history-file "~/.emacs.d/cider-history")

;; Wrap when navigating history.
(setq cider-repl-wrap-history t)

;; enable paredit in your REPL
(add-hook 'cider-repl-mode-hook 'paredit-mode)

;; Use clojure mode for other extensions
(add-to-list 'auto-mode-alist '("\\.edn$" . clojure-mode))
(add-to-list 'auto-mode-alist '("\\.boot$" . clojure-mode))
(add-to-list 'auto-mode-alist '("\\.cljs.*$" . clojure-mode))
(add-to-list 'auto-mode-alist '("lein-env" . enh-ruby-mode))


;; key bindings
;; these help me out with the way I usually develop web apps
(defun cider-start-http-server ()
  (interactive)
  (cider-load-current-buffer)
  (let ((ns (cider-current-ns)))
    (cider-repl-set-ns ns)
    (cider-interactive-eval (format "(println '(def server (%s/start))) (println 'server)" ns))
    (cider-interactive-eval (format "(def server (%s/start)) (println server)" ns))))


(defun cider-refresh ()
  (interactive)
  (cider-interactive-eval (format "(user/reset)")))

(defun cider-user-ns ()
  (interactive)
  (cider-repl-set-ns "user"))

(eval-after-load 'cider
  '(progn
     (define-key clojure-mode-map (kbd "C-c C-v") 'cider-start-http-server)
     (define-key clojure-mode-map (kbd "C-M-r") 'cider-refresh)
     (define-key clojure-mode-map (kbd "C-c u") 'cider-user-ns)
     (define-key cider-mode-map (kbd "C-c u") 'cider-user-ns)))

;; eldoc-mode shows documentation in the minibuffer when writing code
;; http://www.emacswiki.org/emacs/ElDoc
(add-hook 'emacs-lisp-mode-hook 'turn-on-eldoc-mode)
(add-hook 'lisp-interaction-mode-hook 'turn-on-eldoc-mode)
(add-hook 'ielm-mode-hook 'turn-on-eldoc-mode)

;;END OF LOTS OF CLOJURE CONFIG
;;
;;
;;
;;

;; JAVASCRIPT and COFFEESCRIPT STUFF (from https://github.com/flyingmachine/emacs-for-clojure/blob/master/customizations/setup-js.el)
;; javascript / html
(add-to-list 'auto-mode-alist '("\\.js$" . js-mode))
(add-hook 'js-mode-hook 'subword-mode)
(add-hook 'html-mode-hook 'subword-mode)
(setq js-indent-level 2)
(eval-after-load "sgml-mode"
  '(progn
     (require 'tagedit)
     (tagedit-add-paredit-like-keybindings)
     (add-hook 'html-mode-hook (lambda () (tagedit-mode 1)))))


;; coffeescript
(add-to-list 'auto-mode-alist '("\\.coffee.erb$" . coffee-mode))
(add-hook 'coffee-mode-hook 'subword-mode)
(add-hook 'coffee-mode-hook 'highlight-indentation-current-column-mode)
(add-hook 'coffee-mode-hook
          (defun coffee-mode-newline-and-indent ()
            (define-key coffee-mode-map "\C-j" 'coffee-newline-and-indent)
            (setq coffee-cleanup-whitespace nil)))


;; END OF JAVASCRIPT AND COFFEESCRIPT STUFF
;;
;;
;;

;; SHELL INTEGRATION STUFF (from https://github.com/flyingmachine/emacs-for-clojure/blob/master/customizations/shell-integration.el#L1)
;; Sets up exec-path-from shell
;; https://github.com/purcell/exec-path-from-shell
(when (memq window-system '(mac ns))
  (exec-path-from-shell-initialize)
  (exec-path-from-shell-copy-envs
   '("PATH")))
;; END

;; SWITCH OFF CURSOR BLINKING
(blink-cursor-mode 0)


;; trying to disable the mouse click which is infuriating me - this doesn't work. Further investigation needed
(global-unset-key [down-mouse-1])



;; calendar proper Monday start
(setq calendar-week-start-day 1)

;; autopair
(require 'autopair)

;; deft
(require 'deft)
(setq deft-directory "~/ownCloud/Textnotes")
(setq deft-use-filename-as-title t)
;; (setq deft-extension "txt") ; if I want default new files to be org files
;; (setq deft-text-mode 'org-mode) ; use org-mode to view the razzers

;; alternative setup of deft to allow for deft seeing all file extensions from
;; http://emacs.stackexchange.com/questions/3429/how-to-support-multiple-extensions-in-deft
(setq deft-extension "")
(defvar deft-default-extension "txt")
(defun my/deft-default-extension (orig-func &rest args)
  (let ((deft-extension deft-default-extension))
    (apply orig-func args)))
(advice-add 'deft-new-file :around #'my/deft-default-extension)

;; give us a system clipboard
(setq x-select-enable-clipboard t)

;; I don't want to type yes or no
(defalias 'yes-or-no-p 'y-or-n-p)

;;gnus sorting the summary buffer and putting the date in the headline
(setq gnus-summary-line-format "%U%d%R%z%I%(%[%4L: %-23,23f%]%) %s\n")
(setq gnus-thread-sort-functions
      '(gnus-thread-sort-by-most-recent-date))
;; how the group buffer looks
(setq gnus-group-line-format "%M%S%p%P%5y:%B%(%g%)\n")

;; guide-key config - SWITCHED OFF
(require 'guide-key)
(setq guide-key/guide-key-sequence '("C-x r" "C-x 4" "C-c"))
(guide-key-mode 1)  ; Enable guide-key-mode

;; enable flycheck by default (on the fly linting)
;; SWITCH IT OFF FOR A BIT: (add-hook 'after-init-hook #'global-flycheck-mode)

;; python stuff - go this from a big pacman update on 18 Dec
(autoload 'python-mode "python-mode.el" "Python mode." t)
(setq auto-mode-alist (append '(("/.*\.py\'" . python-mode)) auto-mode-alist))

;; TRAMP stuff
;; using sshx as default as it works better than ssh
(setq tramp-default-method "sshx")

;; use iPython as the python interpreter in emacs
(setq
 python-shell-interpreter "ipython"
 python-shell-interpreter-args ""
 python-shell-prompt-regexp "In \\[[0-9]+\\]: "
 python-shell-prompt-output-regexp "Out\\[[0-9]+\\]: "
 python-shell-completion-setup-code
   "from IPython.core.completerlib import module_completion"
 python-shell-completion-module-string-code
   "';'.join(module_completion('''%s'''))\n"
 python-shell-completion-string-code
   "';'.join(get_ipython().Completer.all_completions('''%s'''))\n")

;; virtualenv config
(require 'virtualenvwrapper)
(venv-initialize-interactive-shells) ;; if you want interactive shell support
(venv-initialize-eshell) ;; if you want eshell support
(setq venv-location "/home/lemon/.envs")

;; set my virtualenv dir for helm-pydoc
(setq helm-virtualenv ".envs")

;;w3m config
(require 'w3m)
 (setq browse-url-browser-function 'w3m-browse-url)
 (autoload 'w3m-browse-url "w3m" "Ask a WWW browser to show a URL." t)
 ;; optional keyboard short-cut
(global-set-key "\C-xm" 'browse-url-at-point)

;; my keybind to open a link in an external browser
(define-key w3m-mode-map (kbd "\C-c B") 'w3m-external-view-this-url)

;; open the current document in external browser
(define-key w3m-mode-map (kbd "\C-c b") 'w3m-external-view-current-url)

;;change w3m user-agent to android
(setq w3m-user-agent "Mozilla/5.0 (Linux; U; Android 2.3.3; zh-tw; HTC_Pyramid Build/GRI40) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.")

;;quick access reddit
(defun reddit (reddit)
  "Opens the REDDIT in w3m-new-session"
  (interactive (list
                (read-string "Enter the reddit (default: emacs): " nil nil "emacs" nil)))
  (browse-url (format "http://m.reddit.com/r/%s" reddit)))

;; wrap tags in HTML from http://ergoemacs.org/emacs/emacs_html_insert_tags.html
(defun wrap-html-tag (tagName)
  "Add a tag to beginning and ending of current word or text selection."
  (interactive "sEnter tag name: ")
  (let (p1 p2 inputText)
    (if (use-region-p)
        (progn
          (setq p1 (region-beginning) )
          (setq p2 (region-end) )
          )
      (let ((bds (bounds-of-thing-at-point 'symbol)))
        (setq p1 (car bds) )
        (setq p2 (cdr bds) ) ) )

    (goto-char p2)
    (insert "</" tagName ">")
    (goto-char p1)
    (insert "<" tagName ">")
    ))


;;Use AUCTex
(load "auctex.el" nil t t)
;;(load "preview-latex.el" nil t t)
(setq TeX-auto-save t)
(setq TeX-parse-self t)
(setq-default TeX-master nil)
(setq TeX-PDF-mode t); PDF mode (rather than DVI-mode)


;; make sure calendar is using European date format, not the fucking American one
(setq calendar-date-style (quote european))

;; global visual line mode
(global-visual-line-mode 1)

;; mouse avoidance
(mouse-avoidance-mode 'banish)

;; column numbering
(column-number-mode 1)

;; paren mode
(show-paren-mode 1)

;; use recentf to open recent files (from http://www.masteringemacs.org/article/find-files-faster-recent-files-package)
(require 'recentf)

;; get rid of `find-file-read-only' and replace it with something
;; more useful.
;;(global-set-key (kbd "C-x C-r") 'ido-recentf-open)

;; enable recent files mode.
(recentf-mode t)

; 50 files ought to be enough.
(setq recentf-max-saved-items 50)

;;(defun ido-recentf-open ()
;;  "Use `ido-completing-read' to \\[find-file] a recent file"
;;  (interactive)
;;  (if (find-file (ido-completing-read "Find recent file: " recentf-list))
;;      (message "Opening file...")
;;    (message "Aborting")))

;; fix scrolling
(setq mouse-wheel-follow-mouse 't)
(setq mouse-wheel-scroll-amount '(1 ((shift) . 1)))

;; browser shit - ovrriding what's up there for now
(setq browse-url-browser-function 'browse-url-generic)
(setq browse-url-generic-program "uzbl-browser")

;; save tonnes of history
(setq savehist-file "~/.emacs.d/savehist")
(savehist-mode +1)
(setq savehist-save-minibuffer-history +1)
(setq savehist-additional-vriables
      '(kill-ring
        search-ring
        regexp-search-ring))

;; markdown mode - bits from http://www.wisdomandwonder.com/wordpress/wp-content/uploads/2014/03/C3F.html
(autoload 'markdown-mode "markdown-mode"
   "Major mode for editing Markdown files" t)
(add-to-list 'auto-mode-alist '("README\\.md\\.markdown\\'" . gfm-mode))

;; stash backups somewhere more convenient (from https://github.com/correl/dotfiles/blob/master/.emacs.d/emacs.org)
(setq backup-directory-alist '(("." . "~/.emacs.d/backups")))

;; save lots of backups (from https://github.com/correl/dotfiles/blob/master/.emacs.d/emacs.org)
(setq delete-old-versions -1)
(setq version-control t)
(setq vc-make-backup-files t)
(setq auto-save-file-name-transforms '((".*" "~/.emacs.d/auto-save-list/" t)))

;; if we want line numbers and syntax highlighting from http://www.wisdomandwonder.com/wordpress/wp-content/uploads/2014/03/C3F.html
;; (global-linum-mode 1)
(global-font-lock-mode 1)

;; use SOLARIZED
;;(load-theme 'solarized-dark t)

;; other themes
;; (load-theme 'misterioso t)
(load-theme 'tango-dark t)

;; save history of minibuffer commands
(savehist-mode 1)



;; evil mode is here
;; getting good shit from http://juanjoalvarez.net/es/detail/2014/sep/19/vim-emacsevil-chaotic-migration-guide/
;; (require 'evil)
;; (evil-mode 1)
;; (setq evil-emacs-state-cursor '("red" box))
;; (setq evil-normal-state-cursor '("green" box))
;; (setq evil-visual-state-cursor '("orange" box))
;; (setq evil-insert-state-cursor '("red" bar))
;; (setq evil-replace-state-cursor '("red" bar))
;; (setq evil-operator-state-cursor '("red" hollow))

;; my keybindings
(global-set-key (kbd "C-c u") 'browse-url)


;; START HELM STUFF (IT IS INSTALLED IN ~/code/github-code
;; [Facultative] Only if you have installed async.
(add-to-list 'load-path "/home/lemon/code/github/helm")
(add-to-list 'load-path "/home/lemon/code/github/emacs-async")
(require 'helm-config)
(helm-mode 1)

;; The default "C-x c" is quite close to "C-x C-c", which quits Emacs.
;; Changed to "C-c h". Note: We must set "C-c h" globally, because we
;; cannot change `helm-command-prefix-key' once `helm-config' is loaded.
(global-set-key (kbd "C-c h") 'helm-command-prefix)
(global-unset-key (kbd "C-x c"))
;; (define-key helm-map (kbd "<tab>") 'helm-execute-persistent-action) ; rebind tab to run persistent action
;; (define-key helm-map (kbd "C-i") 'helm-execute-persistent-action) ; make TAB works in terminal
;; (define-key helm-map (kbd "C-z")  'helm-select-action) ; list actions using C-z

(when (executable-find "curl")
  (setq helm-google-suggest-use-curl-p t))

(setq helm-split-window-in-side-p           t ; open helm buffer inside current window, not occupy whole other window
      helm-buffers-fuzzy-matching           t ; fuzzy matching buffer names when non--nil
      helm-move-to-line-cycle-in-source     t ; move to end or beginning of source when reaching top or bottom of source.
      helm-ff-search-library-in-sexp        t ; search for library in `require' and `declare-function' sexp.
      helm-scroll-amount                    8 ; scroll 8 lines other window using M-<next>/M-<prior>
      helm-ff-file-name-history-use-recentf t)

(global-set-key (kbd "M-x") 'helm-M-x)
(global-set-key (kbd "C-x b") 'helm-mini)
(global-set-key (kbd "C-x C-f") 'helm-find-files)

;; use ack-grep when grepping in shit (following a C-x-C-f)
(when (executable-find "ack-grep")
  (setq helm-grep-default-command "ack-grep -Hn --no-group --no-color %e %p %f"
        helm-grep-default-recurse-command "ack-grep -H --no-group --no-color %e %p %f"))
;; extra shit in code
(semantic-mode 1)
;; find man page of shit at point
(add-to-list 'helm-sources-using-default-as-input 'helm-source-man-pages)
;; fucking awsome occur shit in helm
(global-set-key (kbd "C-c h o") 'helm-occur)


;; make sure you can delete selected region
(delete-selection-mode 1)

;; powerline for emacs
(require 'powerline)
(powerline-vim-theme)

;; enable buffers to auto-update when file on disk changes
(global-auto-revert-mode t)

(require 'ace-jump-mode)
    (define-key global-map (kbd "C-c SPC") 'ace-jump-mode)

;; 
;; enable a more powerful jump back function from ace jump mode
;;
(autoload
  'ace-jump-mode-pop-mark
  "ace-jump-mode"
  "Ace jump back:-)"
  t)
(eval-after-load "ace-jump-mode"
  '(ace-jump-mode-enable-mark-sync))
(define-key global-map (kbd "C-x SPC") 'ace-jump-mode-pop-mark)

;; ace search
(ace-isearch-mode +1)
(global-ace-isearch-mode +1)

;; use Projectile - currently not using it
(projectile-global-mode)


;; END OF HELM STUFF

;; python Jedi!
(add-hook 'python-mode-hook 'jedi:setup)
(setq jedi:complete-on-dot t)                 ; optional
;;(add-to-list 'ac-sources 'ac-source-jedi-direct)



;; config for mutt to use emacs (from emacs wikie mutt in emacs)
(server-start)
(add-to-list 'auto-mode-alist '("/mutt" . mail-mode))

;; get rid of annoying buffer key
(global-unset-key "\C-x\C-b")

;; Start with ido mode by default
(require 'ido)
(setq ido-enable-flex-matching t)
(setq ido-everywhere t)
(setq ido-create-new-buffer 'always)
(setq ido-file-extensions-order '(".org" ".txt" ".py" ".emacs" ".xml" ".html" ".el" ".ini" ".cfg" ".cnf"))
(ido-mode 1)

;; Get rid of the menu bar and toolbar and scroll bar
(menu-bar-mode -1)
(tool-bar-mode -1)
(scroll-bar-mode -1)

;; start to scratch
(setq inhibit-startup-screen +1)
(put 'narrow-to-region 'disabled nil)