;;; EMACS init file -*- lexical-binding:t -*-

(require 'package)
(add-to-list 'package-archives
             '("melpa" . "https://melpa.org/packages/"))
(package-initialize)

(setq use-package-always-ensure t
      use-package-always-defer t
      use-package-expand-minimally t)
(require 'use-package)

(use-package gcmh
  :demand t
  :config
  (gcmh-mode))

(let ((emacs-tmp-dir (expand-file-name (format "emacs%d" (user-uid))
                                       temporary-file-directory)))
  (setq auto-save-file-name-transforms `((".*" ,emacs-tmp-dir t))
        auto-save-list-file-prefix emacs-tmp-dir
        backup-directory-alist (setq undo-tree-history-directory-alist
                                     `((".*" . ,emacs-tmp-dir)))
        org-preview-latex-image-directory (expand-file-name "ltximg" emacs-tmp-dir)))

(setq backup-by-copying t
      inhibit-splash-screen t
      custom-file (expand-file-name "custom.el" temporary-file-directory))

(use-package auto-package-update
  :custom
  (auto-package-update-prompt-before-update t)
  (auto-package-update-show-preview t)
  (auto-package-update-delete-old-versions t)
  :config
  (auto-package-update-at-time "05:00"))

(use-package undo-tree
  :hook (evil-local-mode . turn-on-undo-tree-mode))

(use-package evil
  :demand t
  :custom
  (select-enable-clipboard nil "Disable automatic clipboard=unnamedplus")
  (evil-want-keybinding nil "Necessary for evil-collection")
  (evil-want-Y-yank-to-eol t "Make Y behave like it should")
  (evil-want-C-u-scroll t "Scroll with C-u")
  (evil-want-C-h-delete t "Delete with C-h")
  (evil-want-C-w-in-emacs-state t "Allow C-w movement in Emacs windows")
  (evil-undo-system 'undo-tree "Undo with undo-tree")
  :config
  (evil-mode)
  (evil-select-search-module 'evil-search-module 'evil-search)
  (defadvice evil-force-normal-state (after evil-search-remove-hl activate)
    (evil-ex-nohighlight))
  (evil-global-set-key 'insert (kbd "C-S-h") #'help-command))

(use-package evil-collection
  :demand t
  :after evil
  :custom
  (evil-collection-setup-minibuffer t)
  :config
  (evil-collection-init))

(use-package evil-leader
  :demand t
  :after evil
  :config
  (evil-leader/set-leader "<SPC>")
  (evil-leader/set-key
    "u"  #'universal-argument
    "bb" #'switch-to-buffer
    "bd" #'evil-delete-buffer
    "fd" #'dirvish-dwim
    "fq" #'dirvish-quit
    "ff" #'find-file
    "ft" #'treemacs
    "fs" #'evil-write
    "f'" #'bookmark-jump
    "gg" #'magit-status
    "mm" #'minimap-mode
    "ps" (lambda ()
           (interactive)
           (package-refresh-contents)
           (auto-package-update-now-async))
    "qq" #'evil-quit
    "qk" #'kill-emacs)
  (global-evil-leader-mode))

(use-package evil-surround
  :demand t
  :after evil
  :config
  (global-evil-surround-mode))

(use-package evil-commentary
  :demand t
  :after evil
  :config
  (evil-commentary-mode))

(use-package evil-numbers
  :demand t
  :after evil
  :config
  (evil-define-key '(normal visual) 'global "g+" #'evil-numbers/inc-at-pt)
  (evil-define-key '(normal visual) 'global "g-" #'evil-numbers/dec-at-pt)
  (evil-define-key '(normal visual) 'global "g=+" #'evil-numbers/inc-at-pt-incremental)
  (evil-define-key '(normal visual) 'global "g=-" #'evil-numbers/inc-at-pt-incremental))

(use-package evil-replace-with-register
  :demand t
  :after evil
  :custom
  (evil-replace-with-register-indent t)
  :config
  (evil-replace-with-register-install))

(use-package evil-org
  :after evil
  :hook org-mode
  :config
  (require 'evil-org-agenda)
  (evil-org-agenda-set-keys))

(use-package evil-goggles
  :demand t
  :after evil
  :custom
  (evil-goggles-duration 0.12 "Decrease the duration a tiny bit")
  (evil-goggles-pulse t)
  :config
  (evil-goggles-use-diff-faces)
  (evil-goggles-mode))

(use-package evil-terminal-cursor-changer)

(use-package hydra
  :config
  (defhydra hydra-evil-c-w (evil-normal-state-map "C-w")
    "C-w"
    ("h" #'evil-window-left "left")
    ("j" #'evil-window-down "down")
    ("k" #'evil-window-up "up")
    ("l" #'evil-window-right "right")
    ("C-w" #'evil-window-next "next")
    ("+" #'evil-window-increase-height "+height")
    ("-" #'evil-window-decrease-height "-height")
    (">" #'evil-window-increase-width "+width")
    ("<" #'evil-window-decrease-width "-width")))

(use-package lispy)

(use-package lispyville
  :hook (emacs-lisp-mode
         eval-expression-minibuffer-setup
         ielm-mode
         lisp-mode
         lisp-interaction-mode
         scheme-mode
         clojure-mode)
  :config
  (lispyville-set-key-theme
   '(operators
     c-w
     slurp/barf-cp
     commentary
     text-objects
     additional
     additional-insert
     mark
     (prettify insert)
     (escape insert emacs)
     (additional-movement normal visual motion)))
  (evil-define-key 'normal lispyville-mode-map (kbd "C-v") nil)
  (evil-define-key 'insert lispyville-mode-map (kbd "DEL") #'lispy-delete-backward)
  (evil-define-key 'insert lispyville-mode-map (kbd "C-h") #'lispy-delete-backward)
  (evil-define-key 'insert lispyville-mode-map "(" #'lispy-parens)
  (evil-define-key 'insert lispyville-mode-map ")" #'lispy-right-nostring)
  (evil-define-key 'insert lispyville-mode-map "\"" #'lispy-quotes)
  (evil-define-key 'normal lispyville-mode-map ";" nil)
  (evil-define-key 'normal lispyville-mode-map (kbd "C-;") #'lispy-comment)
  (evil-define-key 'visual lispyville-mode-map "iF" #'special-lispy-flow))

(use-package treesit
  :ensure nil
  :custom
  (treesit-extra-load-path `(,(expand-file-name "tree-sitter-module/dist/"
                                                user-emacs-directory))))

(use-package dtrt-indent
  :demand t
  :config
  (dtrt-indent-global-mode))

(use-package aggressive-indent
  :hook (prog-mode
         org-mode))

(use-package rainbow-delimiters
  :hook prog-mode)

(use-package which-key
  :demand t
  :custom
  (which-key-idle-delay 0.2)
  :config
  (which-key-mode))

(use-package orderless
  :demand t
  :custom
  (completion-styles '(orderless basic))
  (completion-category-defaults nil)
  (completion-category-overrides '((file (styles partial-completion)))))

(use-package marginalia
  :demand t
  :after vertico
  :bind (:map minibuffer-local-map
              ("M-a" . marginalia-cycle))
  :config
  (marginalia-mode))

(use-package vertico
  :demand t
  :config
  (evil-define-key 'insert minibuffer-local-map (kbd "C-j") #'vertico-next)
  (evil-define-key 'insert minibuffer-local-map (kbd "C-k") #'vertico-previous)
  (vertico-mode)
  (vertico-mouse-mode))

(use-package yasnippet)
(use-package yasnippet-snippets)

(use-package all-the-icons
  :demand t)

(use-package all-the-icons-completion
  :after (marginalia all-the-icons)
  :hook (marginalia-mode . all-the-icons-completion-marginalia-setup)
  :init
  (all-the-icons-completion-mode))

(use-package treemacs
  :commands treemacs)
(use-package treemacs-evil
  :demand t
  :after treemacs)
(use-package treemacs-all-the-icons
  :demand t
  :after treemacs
  :config
  (treemacs-load-theme 'all-the-icons))

(use-package doom-modeline
  :demand t
  :custom
  (doom-modeline-fn-alist (--map
                           (cons (remove-pos-from-symbol (car it)) (cdr it))
                           doom-modeline-fn-alist))
  :config
  (doom-modeline-mode))

(use-package dirvish
  :after dired
  :custom
  (dirvish-attributes '(all-the-icons))
  :config
  (dirvish-override-dired-mode))

(use-package pdf-tools
  :mode (("\\.pdf\\'" . pdf-view-mode))
  :config
  (pdf-tools-install))

(defun set-text-modes-font ()
  (interactive)
  (setq buffer-face-mode-face '(:family "DejaVu Sans Mono" :height 105)
        line-spacing 0.5)
  (buffer-face-mode))

(use-package org
  :mode (("\\.org$" . org-mode))
  :hook ((org-mode . org-indent-mode)
         (org-mode . flyspell-mode)
         (org-mode . auto-fill-mode)
         (org-mode . set-text-modes-font))
  :custom
  (org-list-allow-alphabetical t)
  (org-hide-emphasis-markers t)
  :config
  (setq org-format-latex-options (plist-put org-format-latex-options :scale 1.1))
  (defhydra hydra-org-evil-shiftmove (org-mode-map "C-c")
    "S+arrows"
    ("h" #'org-shiftleft "left")
    ("j" #'org-shiftdown "down")
    ("k" #'org-shiftup "up")
    ("l" #'org-shiftright "right")))

(use-package org-superstar
  :custom
  (org-superstar-leading-bullet ?\s)
  :hook org-mode)

(use-package org-pdftools
  :hook (org-mode . org-pdftools-setup-link))

(use-package editorconfig
  :demand t
  :config
  (editorconfig-mode))

(use-package json-mode
  :mode "\\.js\\(?:on\\|[hl]int\\(?:rc\\)?\\)\\'")

(use-package nix-mode
  :mode "\\.nix'")

(use-package markdown-mode
  :mode ("README\\.md\\'" . gfm-mode)
  :custom
  (markdown-command '("pandoc" "--from=markdown" "--to=html5")))

(use-package minimap
  :commands minimap-mode
  :custom-face
  (minimap-active-region-background ((t (:background nil :inherit hl-line))))
  :hook ((minimap-sb-mode . evil-emacs-state)
         (minimap-sb-mode . turn-on-solaire-mode))
  :config
  (with-eval-after-load 'evil
    (defadvice evil-quit (after evil-quit-remove-minimap activate)
      (let ((windows (window-list nil 0)))
        (when (and (eq (length windows) 1)
                   (with-current-buffer (window-buffer (car windows))
                     (member 'minimap-sb-mode local-minor-modes)))
          (if (daemonp)
              (delete-frame)
            (kill-emacs)))))))

(use-package magit
  :hook ((git-commit-setup . git-commit-turn-on-flyspell)
         (git-commit-setup . git-commit-turn-on-auto-fill)))

(use-package tramp
  :custom
  (remote-file-name-inhibit-cache nil)
  (tramp-verbose 1)
  :config
  (setq vc-ignore-dir-regexp (format "%s\\|%s"
                                     vc-ignore-dir-regexp
                                     tramp-file-name-regexp)))

(use-package vterm
  :hook (vterm-mode . my-inhibit-hl-line-mode)
  :config
  (evil-define-key 'insert vterm-mode-map (kbd "C-h") #'vterm--self-insert)
  (evil-define-key 'insert vterm-mode-map (kbd "C-S-h") #'help-command))

(use-package elfeed
  :commands (elfeed elfeed-update)
  :custom
  (elfeed-feeds '(("https://archlinux.org/feeds/news/" arch-linux))))

(use-package xkcd
  :commands xkcd
  :config
  (evil-set-initial-state 'xkcd-mode 'emacs))

(use-package ligature
  :hook (prog-mode
         (ligature-mode . prettify-symbols-mode))
  :custom
  (prettify-symbols-unprettify-at-point t)
  :config
  (ligature-set-ligatures 'prog-mode '("|||>" "<|||" "<==>" "<!--" "####" "~~>" "***" "||=" "||>"
                                       ":::" "::=" "=:=" "===" "==>" "=!=" "=>>" "=<<" "=/=" "!=="
                                       "!!." ">=>" ">>=" ">>>" ">>-" ">->" "->>" "-->" "---" "-<<"
                                       "<~~" "<~>" "<*>" "<||" "<|>" "<$>" "<==" "<=>" "<=<" "<->"
                                       "<--" "<-<" "<<=" "<<-" "<<<" "<+>" "</>" "###" "#_(" "..<"
                                       "..." "+++" "/==" "///" "_|_" "www" "&&" "^=" "~~" "~@" "~="
                                       "~>" "~-" "**" "*>" "*/" "||" "|}" "|]" "|=" "|>" "|-" "{|"
                                       "[|" "]#" "::" ":=" ":>" ":<" "$>" "==" "=>" "!=" "!!" ">:"
                                       ">=" ">>" ">-" "-~" "-|" "->" "--" "-<" "<~" "<*" "<|" "<:"
                                       "<$" "<=" "<>" "<-" "<<" "<+" "</" "#{" "#[" "#:" "#=" "#!"
                                       "##" "#(" "#?" "#_" "%%" ".=" ".-" ".." ".?" "+>" "++" "?:"
                                       "?=" "?." "??" ";;" "/*" "/=" "/>" "//" "__" "~~" "(*" "*)"
                                       "\\\\" "://")))

(use-package gruvbox-theme)
(use-package catppuccin-theme)
(defun load-theme-with-solaire ()
  (load-theme 'catppuccin-macchiato t)
  (solaire-global-mode)
  (when (daemonp)
    (remove-hook 'server-after-make-frame-hook #'load-theme-with-solaire)))

(use-package solaire-mode
  :demand t
  :custom
  (solaire-mode-real-buffer-fn (lambda ()
                                 (and (solaire-mode-real-buffer-p)
                                      (or (custom-theme-enabled-p 'gruvbox)
                                          (not (member 'minimap-sb-mode
                                                       local-minor-modes))))))
  :config
  (if (daemonp)
      (add-hook 'server-after-make-frame-hook #'load-theme-with-solaire)
    (load-theme-with-solaire)))

(use-package emacs-everywhere
  :load-path "~/emacs-everywhere"
  :commands emacs-everywhere)

(use-package tool-bar
  :ensure nil
  :config
  (tool-bar-mode 0))
(use-package menu-bar
  :ensure nil
  :config
  (menu-bar-mode 0))
(use-package scroll-bar
  :ensure nil
  :config
  (scroll-bar-mode 0))

(setq pixel-scroll-precision-large-scroll-height 40)
(pixel-scroll-precision-mode)

(setcar mouse-wheel-scroll-amount 3)

(setq server-client-instructions nil
      scroll-step 1
      scroll-margin 3
      scroll-conservatively 9999
      read-file-name-completion-ignore-case t
      read-buffer-completion-ignore-case t
      completion-ignore-case t
      sentence-end-double-space nil)

(setq-default c-basic-offset 4
              tab-width 4
              fill-column 80)

(global-hl-line-mode)
(defun my-inhibit-hl-line-mode ()
  (setq-local global-hl-line-mode nil))

(defun my-relative-linenum ()
  (setq display-line-numbers 'relative))
(dolist (hook '(prog-mode-hook
                text-mode-hook
                conf-mode-hook
                org-mode-hook))
  (add-hook hook #'my-relative-linenum))

(defun my-use-spaces-for-indent ()
  (setq indent-tabs-mode nil))
(dolist (hook '(emacs-lisp-mode-hook
                lisp-mode-hook
                scheme-mode-hook
                clojure-mode-hook))
  (add-hook hook #'my-use-spaces-for-indent))

(defun scroll-down-3 ()
  "Scrolls down by 3"
  (interactive)
  (scroll-down 3))

(defun scroll-up-3 ()
  "Scrolls up by 3"
  (interactive)
  (scroll-up 3))

(defun frame-make-detect-term (frame)
  "Check when frames are made in order to make terminal-only configurations"
  (unless (display-graphic-p frame)
    (xterm-mouse-mode)
    (global-set-key (kbd "<mouse-4>") #'scroll-down-3)
    (global-set-key (kbd "<mouse-5>") #'scroll-up-3)
    (etcc-on)
    (setq after-make-frame-functions
          (remove 'frame-make-detect-term after-make-frame-functions))))

(add-to-list 'after-make-frame-functions #'frame-make-detect-term)

(add-to-list 'auto-mode-alist '("\\.yuck\\'" . lisp-mode))

(with-current-buffer "*scratch*"
  (cd "~/"))