(require-package 'evil)
(evil-mode 1)

(require-packages
  '(evil-leader
    evil-nerd-commenter     ; auto commenting made easy
    evil-matchit            ; jumping between block delimiters
    evil-surround           ; surround-with delimiters
    evil-numbers            ; increment/decrement numbers
    evil-exchange           ; exchanging two text objects (gx/gX)
    evil-space              ; mimics ; and , for f, F, t, T w/ space
    evil-visualstar         ; visual-based * and #

    evil-ex-registers       ; paste from registers in ex commands

    auto-complete           ; self-explanity
    auto-complete-config    ; its default config
    fuzzy                   ; fuzzy search engine for auto-complete

    autopair                ; delimiter auto-closing
    yasnippet
    rainbow-delimiters      ; colored matching parenthesis
    rainbow-mode            ; highlight color codes
    highlight-indentation   ; visual indentation guides

    diminish                ; shrinks/removes modeline elements
    saveplace               ; restore cursor position on buffer load
    volatile-highlights     ; temporarily highlight changes on undo/yank
    anzu                    ; display current + total matches searching
    smex                    ; less M-x cruft

    rotate-text             ; like vim-switch
    uniquify                ; unique buffer names for identical filenames
    recentf                 ; access to list of recent files
    ediff
    ))


;;;; Editor behavior ;;;;;;;;;;;;;;;;

(smex-initialize)
(electric-indent-mode +1)
(global-hl-line-mode +1)            ; highlight the line
(setq blink-matching-paren nil)     ; disable blink-matching-paren
(setq-default
  tab-width             4           ; set tab width to 4 for all buffers
  indent-tabs-mode      nil         ; always replace tabs with spaces
  tab-always-indent     nil)

;; do not soft-wrap lines
(setq-default truncate-lines t)
(setq truncate-partial-width-windows nil)

;; Line numbers & rainbow delimiters in all code-related major modes
(add-hook 'prog-mode-hook 'linum-on)
(add-hook 'prog-mode-hook 'rainbow-delimiters-mode)
(add-hook 'prog-mode-hook #'highlight-indentation-mode)

;; Remove trailing whitespace
(add-hook 'before-save-hook 'delete-trailing-whitespace)

;; Dynamic linum with +1 padding
(defadvice linum-update-window (around linum-dynamic activate)
  (let* ((w (length (number-to-string (count-lines (point-min) (point-max)))))
         (linum-format (concat "%" (number-to-string (+ w 1)) "d "))) ad-do-it))


;;;; Init plugins ;;;;;;;;;;;;;;;;;;;

(global-evil-leader-mode)
(global-evil-matchit-mode  1)
(global-evil-surround-mode 1)
(evil-exchange-install)

(evil-space-setup "t" ";" ",")
(evil-space-setup "f" ";" ",")
(evil-space-setup "T" "," ";")
(evil-space-setup "F" "," ";")

(yas-global-mode -1)

;;#autopair
(autopair-global-mode)
(diminish 'autopair-mode)

;;#anzu
(global-anzu-mode)
(diminish 'anzu-mode)

;;#ediff
(setq ediff-window-setup-function 'ediff-setup-windows-plain)

;;#volatile-highlights
(volatile-highlights-mode t)
(diminish 'volatile-highlights-mode)

;;#saveplace
(setq-default save-place t)
(setq save-place-file (expand-file-name "saveplace" my-tmp-dir))

;;#savehist
(setq savehist-additional-variables
      ;; search entries
      '(search ring regexp-search-ring)
      ;; save every 5 minutes
      savehist-autosave-interval 300
      ;; keep the home clean
      savehist-file (expand-file-name "savehist" my-tmp-dir))
(savehist-mode 1)

;;#diminish
; (diminish 'whole-line-or-region-mode)
(diminish 'undo-tree-mode)
(diminish 'highlight-indentation-mode)

;;#uniquify
(setq uniquify-buffer-name-style 'forward)
(setq uniquify-separator "/")
(setq uniquify-after-kill-buffer-p t)    ; rename after killing uniquified
(setq uniquify-ignore-buffers-re "^\\*") ; don't muck with special buffers

;;#recentf
(recentf-mode 1)
(setq recentf-max-menu-items 50)


;;;; Auto-completion ;;;;;;;;;;;;;;

(ac-config-default)
(ac-linum-workaround)         ; Fix line number flux bug
(diminish 'auto-complete-mode)

(add-hook 'prog-mode-hook 'enable-path-completion)
(setq ac-auto-show-menu nil     ; Suggestions box must be invoked manually (see core-keymaps.el)
      ac-use-menu-map t         ; Enable ac-menu-map map when menu is open
      ac-us-quick-help nil)     ; Don't show tooltips unless invoked (see core-keymaps.el)

(defun enable-path-completion ()
      (add-to-list 'ac-sources 'ac-source-filename)
      (add-to-list 'ac-sources 'ac-source-files-in-current-dir))


;;
(provide 'core-editor)