;; Requires:
;; aspell - Spell checking
;; xclip  - Copy/Paste
;; Optional:
;; gocode - Go auto complete

;; Enable loading my custom config files
(add-to-list 'load-path "~/.emacs.d/configs/")

;; ----------- Default Variables -----------
;; Global variables
(defvar backup-directory (concat user-emacs-directory "backups"))
(unless (file-exists-p backup-directory)
  (make-directory backup-directory))

(setq-default inhibit-startup-screen t
			  column-number-mode t
			  scroll-error-top-bottom t
			  show-paren-delay 0.25
              tab-width 4
	          indent-tabs-mode nil
              backup-directory-alist `(("." . ,backup-directory))
              delete-old-versions t)

;; ----------- Package Managing -----------
(require 'package-loader)

;; Delete selected text when typing (normal editor behavior)
(delete-selection-mode t)

;; ------------- Keybindings -------------
(require 'smart-home)
(global-set-key (kbd "C-c /") 'comment-or-uncomment-region)
(global-set-key (kbd "C-c C-k") 'compile)
(global-set-key (kbd "M-<left>") 'backward-list)
(global-set-key (kbd "M-<right>") 'forward-list)
(global-set-key (kbd "M-<up>") 'racket-backward-up-list)
;; Can't seem to find forward-down-list.
;; Not very important since I would rarely use it anyway
;;(global-set-key (kbd "M-<down>") '?)
(global-set-key (kbd "M-<delete>") 'kill-sexp)

(defun revert-buffer-no-confirm ()
    "Revert buffer without confirmation."
    (interactive)
    (revert-buffer :ignore-auto :noconfirm))
(global-set-key (kbd "M-f") 'revert-buffer)
(global-set-key (kbd "M-F") 'revert-buffer-no-confirm)

;; ---------- Use X11 clipboard -----------
(use-package xclip
  :if (executable-find "xclip")
  :init
  (add-to-list 'load-path "~/.emacs.d/elpa/xclip-1.4/")
  :config
  (xclip-mode 1))

;; --------- Parentheses Matching ---------
(show-paren-mode)
(use-package highlight-parentheses
  :init
  (define-globalized-minor-mode global-highlight-parentheses-mode
	highlight-parentheses-mode
	(lambda ()
	  (highlight-parentheses-mode t)))
  :config
  (global-highlight-parentheses-mode t))

;; Use built-in pairing if available.
;; Otherwise install substitute
(if (version<= "24.4" emacs-version)
    (electric-pair-mode)
  (use-package autopair
    :config
    (autopair-global-mode)))

;; ------------ xTerm Mouse ------------
;; Disable because it became annoying, sounds cool though.
(use-package mouse
  :disabled
  :config
  (xterm-mouse-mode t))

;; ---------- Auto-complete -----------
(use-package company
  :init
  (add-hook 'after-init-hook 'global-company-mode)
  :config
  (setq
   company-minimum-prefix-length   2
  ;; company-idle-delay              nil
  ;;       company-show-numbers            t
  ;;       company-tooltip-limit           20
  ;;      company-dabbrev-downcase        nil
   )
  ;; :bind ("C-;" . company-complete-common)
  )

;; ---------- Syntax Checking -----------
(use-package flycheck
  :config
  (setq flycheck-check-syntax-automatically '(mode-enabled idle-change save)))

;; ----------- Scala Mode -----------
(require 'scala)

;; ---------- Kotlin Mode -----------
(require 'kotlin)

;; ------------ Web Mode ------------
(require 'web)

;; ------------ Git Mode ------------
;; TODO: make resolving merge conflicts hotkeys not use "^"
;; TODO: Conflict resolution theme is unreadable
(when (version<= "24.4" emacs-version)
  (use-package magit
    :bind ("C-x g" . magit-status)))

;; ----------- Rust Mode ------------
(require 'rust)

;; ----------- Go Mode -------------
(require 'go)

;; ----------- i3 Support ----------
(use-package i3wm
  :disabled
  :if (equal (getenv "DESKTOP_SESSION") "i3"))

;; --------- Racket Mode ----------
(use-package racket-mode)

;; ---------- Tex Mode ------------
(require 'my-tex)

;; ---------- C# Mode -------------
(use-package csharp-mode
  :if (version<= "24.4" emacs-version))

;; ------- Markdown Mode ----------
(when (version<= "24.4" emacs-version)
  (use-package markdown-mode))

;; ---- StackOverflow Client ------
(require 'stackoverflow)

;; -------- Spellcheck ------------
(require 'spellcheck)

;; -------- REST Client ---------
(require 'rest-client)

;; ------- Highlight TODO -------
(require 'todo)

;; ---- Printer Integration -----
(require 'printer)
(set-frame-font "DejaVu Sans Mono-10" nil t)

(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(package-selected-packages
   (quote
    (gnu-elpa-keyring-update flycheck-kotlin kotlin-mode hl-todo restclient flyspell-correct-popup sx csharp-mode auctex company-go go-mode flycheck-rust cargo rust-playground rust-mode magit multi-web-mode ensime flycheck company highlight-parentheses xclip auto-package-update use-package))))
(custom-set-faces
 ;; custom-set-faces was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 )
(put 'downcase-region 'disabled nil)