(with-eval-after-load 'package
   (add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t))

(setopt inhibit-splash-screen t)

;; Don't litter.
(setopt make-backup-files nil)
(setopt create-lockfiles nil)

;; Ensure that scratch starts in fundamental-mode.
(setopt initial-major-mode 'fundamental-mode)

;; Don't show load average in modeline.
(setopt display-time-default-load-average nil)

;; Automatically reread from disk if the underlying file changes.
(setopt auto-revert-avoid-polling t)
(setopt auto-revert-interval 5)
(setopt auto-revert-check-vc-info t)
(global-auto-revert-mode)

;; Save history in EMACS DIR.
(savehist-mode)

;; Setup ctrl+arrowkey to move between emacs defined windows. Will try to make vim-like at some point.
(windmove-default-keybindings 'control)

;; Define killing current buffer using C-x c.
(global-set-key (kbd "C-x c") #'kill-current-buffer)

;; Some legacy shit.
(setopt sentence-end-double-space nil)

(defun foehammer--backup-file-name (fpath)
  "Return a new file path of a given file path.
If the new path's directories does not exist, create them."
  (let* ((backupRootDir "~/.emacs.d/emacs-backup/")
         (filePath (replace-regexp-in-string "[A-Za-z]:" "" fpath )) ; remove Windows driver letter in path
         (backupFilePath (replace-regexp-in-string "//" "/" (concat backupRootDir filePath "~") )))
    (make-directory (file-name-directory backupFilePath) (file-name-directory backupFilePath))
    backupFilePath))

(setopt make-backup-file-name-function 'foehammer--backup-file-name)

;; Globally escape.
(global-set-key (kbd "<escape>") 'keyboard-escape-quit)

;; Fix some bs with 2~.
(global-set-key (kbd "S-SPC") 'just-one-space)

(use-package which-key
  :ensure t
  :config
  (which-key-mode))

(use-package evil
  :ensure t

  :init
  (setq evil-respect-visual-line-mode t)
  (setq evil-undo-system 'undo-redo)

  (setq evil-want-C-u-scroll t)

  :config
  (evil-mode)
  (define-key evil-normal-state-map (kbd "C-v") 'evil-visual-block)
  (define-key evil-visual-state-map (kbd "C-v") 'evil-visual-block)
  (evil-set-initial-state 'vterm-mode 'emacs)
)

(use-package cua-base
  :ensure nil
  :config
  (define-key evil-insert-state-map (kbd "C-S-v") 'cua-paste)
  (define-key evil-normal-state-map (kbd "C-S-v") 'cua-paste)
  (define-key evil-visual-state-map (kbd "C-S-v") 'cua-paste))

(setopt enable-recursive-minibuffers t)
(setopt completion-cycle-threshold 1)
(setopt completions-detailed t)
(setopt tab-always-indent 'complete)
(setopt completion-styles '(basic initials substring))
(setopt completion-auto-help 'always)
(setopt completions-max-height 20)
(setopt completions-detailed t)
(setopt completions-format 'one-column)
(setopt completions-group t)
(setopt completion-auto-select 'second-tab)            ; Much more eager
(setopt completion-auto-select t)                     ; See `C-h v completion-auto-select' for more possible values

(keymap-set minibuffer-mode-map "TAB" 'minibuffer-complete)

;; Interface Things.
(setopt line-number-mode t)
(setopt column-number-mode t)

(setopt scroll-margin 10)
(setq scroll-conservatively 10)

(setopt x-underline-at-descent-line nil)
(setopt switch-to-buffer-obey-display-actions t)
(setopt show-trailing-whitespace t)
(setopt indicate-buffer-boundaries 'left)

(blink-cursor-mode -1) ; Steady cursor
(pixel-scroll-precision-mode) ; Smooth Scrolling.

;; Line number displays.
(add-hook 'prog-mode-hook 'display-line-numbers-mode)
(setopt display-line-numbers-width 1)

(add-hook 'text-mode-hook 'visual-line-mode)

(let ((hl-line-hooks '(text-mode-hook prog-mode-hook)))
  (mapc (lambda (hook) (add-hook hook 'hl-line-mode)) hl-line-hooks))

(setopt tab-bar-show 1)

;; Gruvbox theme.
(setq custom-safe-themes t)
(use-package gruvbox-theme
  :ensure t
  :init
  (load-theme 'gruvbox-dark-medium)
)

(use-package vertico
  :ensure t
  :init
  (vertico-mode))

(use-package vertico-directory
  :after vertico
  :bind (:map vertico-map
              ("M-DEL" . vertico-directory-delete-word)))


(use-package marginalia
  :ensure t
  :config
  (marginalia-mode))

;; Special, telescope-like bindings.
(use-package consult
  :ensure t
  :bind (
         ("C-x b" . consult-buffer)     ; orig. switch-to-buffer
         ("M-y"   . consult-yank-pop)   ; orig. yank-pop
         ("M-s r" . consult-ripgrep)
         ("M-s l" . consult-line)
	 ("C-s" . consult-line)
         ("M-s s" . consult-line)       ; consult-line instead of isearch, bind
         ("M-s L" . consult-line-multi) ; isearch to M-s s
         ("M-s o" . consult-outline)
         :map isearch-mode-map
         ("M-e" . consult-isearch-history)   ; orig. isearch-edit-string
         ("M-s e" . consult-isearch-history) ; orig. isearch-edit-string
         ("M-s l" . consult-line)            ; needed by consult-line to detect isearch
         ("M-s L" . consult-line-multi)      ; needed by consult-line to detect isearch
         )
  :config
  (setq consult-narrow-key "<"))

;; Magit:
(use-package magit
  :ensure t
  :bind (("C-x g" . magit-status)))

;; Completion:
(use-package company
  :ensure t
  :config (global-company-mode))

;; Language specific major modes.
(use-package markdown-mode
  :ensure t
  :hook ((markdown-mode . visual-line-mode)))

(use-package yaml-mode
  :ensure t)

(use-package nix-mode
  :ensure t)

(use-package json-mode
  :ensure t)

(use-package rust-mode
  :ensure t)

(use-package projectile
  :ensure t
  :config
  (define-key projectile-mode-map (kbd "C-c p") 'projectile-command-map)
  (projectile-mode))

(use-package eshell
  :init
  (defun foehammer/setup-eshell ()
    ;; Something funny is going on with how Eshell sets up its keymaps; this is
    ;; a work-around to make C-r bound in the keymap
    (keymap-set eshell-mode-map "C-r" 'consult-history))
  :hook ((eshell-mode . foehammer/setup-eshell)))

;; Eat: Emulate A Terminal
(use-package eat
  :ensure t
  :custom
  (eat-term-name "xterm")
  :config
  (eat-eshell-mode)
  (eat-eshell-visual-command-mode))

(use-package elcord
  :ensure t

  :config
  (elcord-mode))

;; Don't change this (or else gg).
(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
   '(company consult corfu-candidate-overlay corfu-terminal eat elcord
	     evil gruvbox-theme json-mode kbd-mode lsp-mode magit
	     marginalia nix-mode projectile rust-mode vertico
	     yaml-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.
 )