;; init.el --- Summary: Emacs
;;; Commentary:
;;; First Emacs install date: 04/30/2019
;;; To install config
;;; list-package RET package-install use-package RET
;;; To update packages:
;;; M-x list-packages U-x

;;; Code:
(require 'package)
(add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/"))
(setq package-enable-at-startup nil)
(package-initialize)

;; (set-face-attribute 'default nil :height 130) ;; sets global font size

;; Setup use-package
;; https://github.com/jwiegley/use-package
(eval-when-compile (require 'use-package))

;; Always download packages that are not found
(setq use-package-always-ensure t)

;; Sync emacs path and shell path
(use-package exec-path-from-shell
  :config
  (when (memq window-system '(mac ns x))
  (exec-path-from-shell-initialize)))
  
;; Setup helm
(use-package helm
  :config
  (require 'helm-config)
  (helm-mode 1)
  (helm-autoresize-mode t)
  (setq helm-buffer-max-length nil))

;; Setup magit
(use-package magit)

;; Setup evil leader
(use-package evil-leader
  :init
  (setq evil-want-keybinding nil)
  :config
  (global-evil-leader-mode)
  (evil-leader/set-leader "SPC")
  (evil-leader/set-key
    "RET" 'eshell
    "x" 'helm-M-x
    "b" 'helm-mini ;; In helm mini, use C-SPC to select buffers, M-D to kill all marked
    "d" (lambda() (interactive) (load-theme 'spacemacs-dark))
    "l" (lambda() (interactive) (load-theme 'spacemacs-light))
    "f" 'helm-find-files
    "s" 'rg-project
    "n" 'linum-mode
    "hk" 'describe-key
    "hf" 'describe-function
    "j" 'other-window
    "vn" 'narrow-to-region
    "vw" 'widen
    "o" 'delete-other-windows
    "g" 'magit-status
    ";" 'comment-line
    "k" (lambda() (interactive) (kill-buffer nil))
    "r" (lambda() (interactive) (load-file "~/.emacs.d/init.el"))
    "e" (lambda() (interactive) (find-file "~/.emacs.d/init.el"))
    ;; C-i is tab
    "C-i" (lambda() (interactive) (switch-to-buffer nil))))


;; Setup evil
(use-package evil
  :ensure t
  :config
  (evil-mode 1))

(use-package evil-collection
  :after evil
  :ensure t
  :config
  (evil-collection-init))

;; Setup theme and powerline
(use-package spacemacs-theme
  :defer t
  :init (load-theme 'spacemacs-light t))

(use-package spaceline
  :config
  (require `spaceline-config)
  (spaceline-emacs-theme))


(use-package lsp-mode
  :init
  ;; (setq lsp-keymap-prefix "C-c l")
  (setq lsp-lens-enable nil)
  (setq lsp-enable-snippet nil)
  :hook (;; replace XXX-mode with concrete major-mode(e. g. python-mode)
         (go-mode . lsp))
  :commands lsp)

(use-package dockerfile-mode)


;; Setup elixir support
(use-package elixir-mode)
(use-package alchemist)

(add-hook 'elixir-mode-hook
          (lambda () (local-set-key (kbd "C-c C-c") 'elixir-format)))

;; (use-package lsp-mode
;;   :commands lsp
;;   :ensure t
;;   :diminish lsp-mode
;;   :hook
;;   (elixir-mode . lsp)
;;   :init
;;   (add-to-list 'exec-path "/Users/nicolasknoebber/package/elixir-ls/release"))

;; Setup golang support
(use-package go-mode)

(add-hook 'go-mode-hook
          (lambda () (local-set-key (kbd "C-c C-c") 'gofmt)))

;; Setup webmode
(use-package web-mode
  :mode "\\.[tj]sx?\\'" "\\.html\\'" "\\.php\\'" "\\.tmpl\\'" "\\.erb\\'" "\\.h?eex\\'"
  :init
  (defun my-web-mode-hook ()
    ;; Hooks for Web mode
    (setq-default indent-tabs-mode nil)
    (setq web-mode-markup-indent-offset 2)
    (setq web-mode-code-indent-offset 2)
    (setq web-mode-enable-auto-quoting nil))
  (add-hook 'web-mode-hook  'my-web-mode-hook))

(setq web-mode-engines-alist
      '(("elixir"    . "\\.heex\\'")))

(setq web-mode-engines-alist '(("elixir" . "\\.ex\\'")))

(use-package
   polymode
  :ensure t
  :mode ("\\.ex\\'" . poly-elixir-web-mode)
  :init (setq web-mode-engines-alist '(("elixir" . "\\.ex\\'")))
  :config
  (define-hostmode poly-elixir-hostmode :mode 'elixir-mode)
  (define-innermode poly-surface-expr-elixir-innermode
    :mode 'web-mode
    :head-matcher (rx line-start (* space) "~H" (= 3 (char "\"'")) line-end)
    :tail-matcher (rx line-start (* space) (= 3 (char "\"'")) line-end)
    :head-mode 'host
    :tail-mode 'host
    :allow-nested nil
    :keep-in-mode 'host
    :fallback-mode 'host)
  (define-polymode poly-elixir-web-mode
    :hostmode 'poly-elixir-hostmode
    :innermodes '(poly-surface-expr-elixir-innermode)))

;; Setup linting with flycheck
;; Use 'C-c ! v' to check flycheck status in buffer.
(use-package flycheck
  :init
  (add-hook 'prog-mode-hook 'global-flycheck-mode)
  :config
  (flycheck-add-mode 'javascript-eslint 'web-mode))

;; Setup auto completion
(use-package company
  :init
  (global-company-mode)
  :config
  (setq company-idle-delay 0)
  (setq company-minimum-prefix-length 1))

(use-package rg)

(use-package htmlize)

(add-hook 'org-mode-hook 'my-org-mode-hook)
(defun my-org-mode-hook()
  (flyspell-mode 1)
  (auto-fill-mode 1))

;;; General config
(show-paren-mode 1)
(menu-bar-mode -1)
(tool-bar-mode -1)
(toggle-scroll-bar -1)
(setq ediff-split-window-function 'split-window-horizontally)

;; Flash the modeline instead of ringing.
(setq visible-bell nil
      ring-bell-function 'flash-mode-line)
(setq user-full-name "Nicolas Knoebber")

(defun flash-mode-line ()
  (invert-face 'mode-line)
  (run-with-timer 0.1 nil #'invert-face 'mode-line))


;;; Enable banned commands
(put 'narrow-to-defun  'disabled nil)
(put 'narrow-to-page   'disabled nil)
(put 'narrow-to-region 'disabled nil)

;;; Don't save backup~ files in the same directory.
(setq backup-directory-alist `(("." . "~/.emacs.d/backups")))

;;; Custom functions

(defun export-nicolasknoebber ()
  "Build nicolasknoebber.com."
  (interactive)
  (load-file "~/projects/nicolasknoebber.com/src/site.el")
  (org-publish-all))


;; (setq-default org-display-custom-times nil)

;; (setq org-time-stamp-custom-formats
;;       '("<%m/%d/%Y>" . "<%m/%d/%Y>"))


(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.
 '(custom-safe-themes
   '("bffa9739ce0752a37d9b1eee78fc00ba159748f50dc328af4be661484848e476" "fa2b58bb98b62c3b8cf3b6f02f058ef7827a8e497125de0254f56e373abee088" default))
 '(helm-minibuffer-history-key "M-p")
 '(line-number-mode nil)
 '(package-selected-packages
   '(rg go-mode company elixir-mode helm-lsp lsp-mode evil-collection org-plus-contrib ox-rss orgit htmlize php-mode dockerfile-mode exec-path-from-shell spaceline spacemacs-theme use-package helm evil-visual-mark-mode)))
(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.
 )