Emacs config

(with-eval-after-load 'term
  (define-key term-raw-map (kbd "M-]") 'next-buffer))

(with-eval-after-load 'xref
  (add-hook 'xref-after-update-hook #'(lambda () (evil-emacs-state))))

(with-eval-after-load 'compile
  ;; set cursor to follow compilation output
  (setq compilation-scroll-output t)
  ;; for elixir testing output test filename use black color which makes it ineligible
  (set-face-foreground 'ansi-color-bold "magenta")
  (define-key compilation-mode-map (kbd "g") nil)
  (define-key compilation-mode-map (kbd "r") 'recompile)
  (define-key compilation-mode-map (kbd "h") nil))

(require 'ansi-color)

(defun colorize-compilation-buffer ()
  (let ((inhibit-read-only t))
    (ansi-color-apply-on-region (point-min) (point-max))))

(add-hook 'compilation-filter-hook 'colorize-compilation-buffer)

(defun my/compile ()
  "Run compilation process but ask for a `default-directory' before."
  (interactive)
  (let ((default-directory (read-directory-name "Base directory: " (my/project-root)))
        (cmd (read-string "Compile command: ")))
    ;; we need to "export" this variable to be able to re-run `compile' command
    (setq compile-command cmd)
    (compile compile-command)))

(defun my/toggle-narrowing ()
  "Toggle narrow on the selected region."
  (interactive)
  (if (buffer-narrowed-p)
      (widen)
    (if (region-active-p)
        (narrow-to-region (region-beginning) (region-end))
      (user-error "No active selection"))))

(with-eval-after-load 'ediff
  (setq ediff-split-window-function 'split-window-horizontally)
  ;; put ediff buffer in a buffer at the bottom instead of in a new frame
  (setq ediff-window-setup-function 'ediff-setup-windows-plain))

(use-package dracula-theme
  :ensure t
  :config
  (load-theme 'dracula t)
  (set-face-foreground 'font-lock-variable-name-face "gray"))

(use-package async
  :ensure t)

(use-package doom-modeline
  :ensure t
  :defer t
  :custom
  (doom-modeline-modal-icon nil)
  (doom-modeline-buffer-file-name-style 'relative-from-project)
  (doom-modeline-github t)
  (doom-modeline-github-interval (* 30 60))
  :hook
  (after-init . doom-modeline-mode)
  (doom-modeline-mode . display-battery-mode))

(use-package unicode-fonts
  :ensure t
  :config
  (unicode-fonts-setup))

(use-package nerd-icons-dired
  :ensure t
  :defer t
  :hook
  (dired-mode . nerd-icons-dired-mode))

(use-package dired-subtree
  :ensure t
  :after dired
  :config
  (define-key dired-mode-map (kbd "<tab>") 'dired-subtree-toggle))

(use-package whitespace-mode
  :custom
  (whitespace-style '(tab-mark newline-mark))
  (whitespace-display-mappings '((newline-mark ?\n    [?¬ ?\n]  [?$ ?\n])
                                 (tab-mark     ?\t    [?» ?\t] [?\\ ?\t])))
  :hook
  (prog-mode . whitespace-mode))

(set-face-attribute 'region nil :extend nil)

(when (memq window-system '(mac ns))
  (add-to-list 'default-frame-alist '(ns-transparent-titlebar . t))
  (add-to-list 'default-frame-alist '(ns-appearance . dark)))

(use-package pbcopy
  :ensure t)

(defun my/highlight-todo-like-words ()
  (font-lock-add-keywords
   nil `(("\\<\\(FIXME\\|TODO\\)"
          1 font-lock-warning-face t))))

(add-hook 'prog-mode-hook 'my/highlight-todo-like-words)

(setq comment-auto-fill-only-comments t)

(add-hook 'prog-mode-hook #'(lambda ()
                              (auto-fill-mode 1)))

(use-package exec-path-from-shell
  :ensure t
  :custom
  (exec-path-from-shell-arguments '("-l"))
  (exec-path-from-shell-check-startup-files nil)
  :config
  (when (memq window-system '(mac ns))
    (exec-path-from-shell-initialize)))

(use-package editorconfig
  :ensure t
  :config
  (editorconfig-mode 1))

(use-package yasnippet
  :ensure t
  :hook ((prog-mode . yas-minor-mode)
         (conf-mode . yas-minor-mode)
         (text-mode . yas-minor-mode)
         (snippet-mode . yas-minor-mode)))

(use-package yasnippet-snippets
  :ensure t
  :after (yasnippet))

(use-package wakatime-mode
  :ensure t
  :if (executable-find "wakatime-cli")
  :init
  (setq wakatime-cli-path (executable-find "wakatime-cli"))
  :config
  (global-wakatime-mode))

(use-package highlight-thing
  :ensure t
  :hook
  (prog-mode . highlight-thing-mode))

(setq create-lockfiles nil)

(use-package reformatter
  :ensure t)

(use-package vterm
  :ensure t
  :defer t
  :hook
  (vterm-mode . (lambda ()
                  (setq-local show-trailing-whitespace nil)))
  :custom
  (vterm-module-cmake-args "-DUSE_SYSTEM_LIBVTERM=yes")
  (vterm-always-compile-module t))

(use-package vterm-toggle
  :ensure t
  :custom
  (vterm-toggle-scope 'project)
  (vterm-toggle-hide-method 'reset-window-configration)
  :hook
  (vterm-toggle-show . evil-insert-state))

(with-eval-after-load 'ispell
  (setq ispell-program-name "aspell")
  (add-to-list 'ispell-skip-region-alist
               '("^```" . "^```")))

(defun my/setup-ispell-for-commit-message ()
  "Setup `ispell-skip-region-alist' to avoid lines starting with #.
  This way diff code will be ignored when ispell run."
  (setq-local ispell-skip-region-alist (cons '("^#" . "$") ispell-skip-region-alist)))

(use-package tree-sitter
  :ensure t
  :hook
  (tree-sitter-after-on . tree-sitter-hl-mode)
  :config
  (global-tree-sitter-mode))

(use-package tree-sitter-langs
  :ensure t)

(use-package tree-sitter-ispell
  :ensure t
  :defer t
  :bind (("C-x C-s" . tree-sitter-ispell-run-at-point)))

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

(electric-pair-mode)

(add-hook 'org-mode-hook #'(lambda ()
                             (electric-pair-local-mode -1)))

(use-package restclient
  :ensure t
  :defer t
  :mode (("\\.http\\'" . restclient-mode))
  :bind (:map restclient-mode-map
              ("C-c C-h" . 'cloak-mode)
              ("C-c C-f" . 'json-pretty-print))) ;TODO: change to only apply json formatting when the content-type is application/json

(use-package company-restclient
  :ensure t
  :after (restclient)
  :config
  (add-to-list 'company-backends 'company-restclient))

(use-package rainbow-delimiters
  :ensure t
  :hook
  (prog-mode . rainbow-delimiters-mode))

(reformatter-define xml-format
  :program "xmlformat"
  :group 'xml)

(with-eval-after-load 'nxml-mode
  (define-key nxml-mode-map (kbd "C-c C-f") 'xml-format-buffer))

(reformatter-define sql-format
  :program "pg_format")

(defun my/format-sql ()
  "Format active region otherwise format the entire buffer."
  (interactive)
  (if (region-active-p)
      (sql-format-region (region-beginning) (region-end))
    (sql-format-buffer)))

(with-eval-after-load 'sql
  (add-hook 'sql-mode-hook 'flymake-sqlfluff-load)
  (add-hook 'sql-mode-hook 'flymake-mode)
  (define-key sql-mode-map (kbd "C-c C-f") 'my/format-sql))

(use-package flymake-sqlfluff
  :ensure t)

(use-package company
  :ensure t
  :init
  (setq company-idle-delay 0.1
        company-tooltip-limit 10
        company-minimum-prefix-length 3)
  :hook (after-init . global-company-mode)
  :config
  (define-key company-active-map (kbd "C-n") 'company-select-next)
  (define-key company-active-map (kbd "C-p") 'company-select-previous))

(defun my/setup-flymake ()
  "Activate flymake only if we are inside a project."
  (when (functionp 'my/project-p)
    (flymake-mode 1)))

(add-hook 'prog-mode-hook 'my/setup-flymake)

(with-eval-after-load "flymake"
  (define-key flymake-mode-map (kbd "M-n") 'flymake-goto-next-error)
  (define-key flymake-mode-map (kbd "M-p") 'flymake-goto-prev-error))

(use-package envrc
  :ensure t
  :config
  (envrc-global-mode)
  :bind (:map envrc-mode-map
              ("C-c C-h" . 'cloak-mode)))

(use-package cloak-mode
 :ensure t
 :custom
 (cloak-mode-patterns '((envrc-file-mode . "[a-zA-Z0-9_]+[ \t]*=[ \t]*\\(.*+\\)$")
                        (restclient-mode . "^:[^: ]+[ \t]*=[ \t]*\\(.+?\\)$")))
 (cloak-mode-mask "🙈🙈🙈")
 :config
 (global-cloak-mode))

(use-package perspective
  :ensure t
  :config
  (persp-mode)
  ;; change default font-face color to be aligned with doom-mode-line
  (set-face-foreground 'persp-selected-face "green")
  ;; setup vim tab like key-bindings
  (define-key evil-normal-state-map (kbd "gt") 'persp-next)
  (define-key evil-normal-state-map (kbd "gT") 'persp-prev))

(defun my/project-edit-dir-locals ()
  "Edit .dir-locals.el file in project root."
  (interactive)
  (find-file (expand-file-name ".dir-locals.el" (my/project-root))))

(defun my/project-edit-direnv ()
  "Edit .envrc file in project root."
  (interactive)
  (find-file (expand-file-name ".envrc" (my/project-root))))

(use-package project
  :straight (:type built-in)
  :bind (:map project-prefix-map
              ("D" . 'my/project-edit-direnv)
              ("d" . 'project-dired)
              ("e" . 'my/project-edit-dir-locals)
              ("k" . 'my/project-kill-buffers)
              ("n" . 'my/project-open-new-project)
              ("p" . 'my/project-switch)))

(defun my/project-root ()
  "Return project root path."
  (project-root (project-current)))

(defun my/project-p ()
  (project-current))

(defun my/project-name ()
  "Get project name extracting latest part of project path."
  (if (my/project-p)
      (second (reverse (split-string (my/project-root) "/")))
    nil))

(defun my/project-switch ()
  "Switch to a project and trigger switch action."
  (interactive)
  ;; make sure all the projects list is available to be used
  (project--ensure-read-project-list)
  (let* ((projects (mapcar 'car project--list))
         (choice (completing-read "Switch to project: " projects))
         (default-directory choice))
    ;; `default-directory' must be defined so `project.el' can know is in a new project
    (my/project-switch-action)))

(defun my/project-switch-action ()
  "Switch to a new perspective which name is project's name and open `project-find-file'."
  (interactive)
  (persp-switch (my/project-name))
  (project-find-file))

(defun my/project-kill-buffers ()
  "Kill all the related buffers to the current project and delete its perspective as well."
  (interactive)
  (let* ((project-name (my/project-name))
         (project (project-current))
         (buffers-to-kill (project--buffers-to-kill project)))
    (when (yes-or-no-p (format "Kill %d buffers in %s?" (length buffers-to-kill) (my/project-root)))
      ;; in case we're using eglot we shutdown its server
      (if (and (featurep 'eglot) (eglot-managed-p))
          (eglot-shutdown (eglot-current-server)))
      (mapc #'kill-buffer buffers-to-kill)
      (persp-kill project-name))))

(defun my/project-open-new-project ()
  "Open a project for the first time and add it to `project.el' projects list."
  (interactive)
  (let* ((project-path-abs (read-directory-name "Enter project root: "))
         ;; we need to define `default-directory' to be able to get the new project when `project-current' is called
         (default-directory (replace-regexp-in-string (expand-file-name "~") "~" project-path-abs)))
    (project-remember-project (project-current))
    (my/project-switch-action)))

(use-package vertico
  :ensure t
  :init
  (vertico-mode)
  :custom
  ;; fixed height
  (vertico-resize nil)
  ;; show max 15 elements
  (vertico-count 15))

(use-package vertico-multiform
  :after vertico
  :straight nil
  :load-path "straight/repos/vertico/extensions/")

(use-package vertico-posframe
  :ensure t
  :if (display-graphic-p)
  :init
  (vertico-posframe-mode 1))

(use-package marginalia
  :ensure
  :init
  (marginalia-mode))

(use-package nerd-icons-completion
  :ensure t
  :after marginalia
  :config
  (nerd-icons-completion-mode)
  (add-hook 'marginalia-mode-hook #'nerd-icons-completion-marginalia-setup))

(use-package orderless
  :ensure t
  :config
  (setq completion-styles '(orderless basic)
        completion-category-overrides '((file (styles basic partial-completion)))))

;; We follow a suggestion by company maintainer u/hvis:
;; https://www.reddit.com/r/emacs/comments/nichkl/comment/gz1jr3s/
(defun company-completion-styles (capf-fn &rest args)
  (let ((completion-styles '(basic partial-completion)))
    (apply capf-fn args)))

(advice-add 'company-capf :around #'company-completion-styles)

(use-package consult
  :ensure t)

(use-package consult-yasnippet
  :ensure t
  :defer t)

(defun my/grep-in-project (&optional term)
  "Run grep in current project.
If TERM is not nil it will be used as initial value."
  (interactive)
  (let* ((pattern (read-string "Pattern: " (or term "")))
         ;; add an extra space to be able to start typing more filters
         (pattern (concat pattern " ")))
    (call-interactively #'(lambda ()
                            (interactive)
                            (consult-ripgrep (my/project-root) pattern)))))

(use-package embark
  :ensure t
  :bind
  ("C-;" . embark-act)
  :config
  ;; grep exported data can have a lot of white spaces so we don't want
  ;; them to be shown while editing their content
  (setq-mode-local embark-collect-mode show-trailing-whitespace nil))

(use-package embark-consult
  :ensure t
  :defer t)

(defun my/edit-completing-results ()
  "Use results origin to execute an action after export them with `embark-export'."
  (interactive)
  ;; call of `project-find-file'
  (when (cl-search "Find file in" (buffer-string))
    (run-at-time 0 nil #'embark-export)
    (run-at-time 0 nil #'wdired-change-to-wdired-mode)
    (run-at-time 0 nil #'evil-normal-state))
  ;; call of `consult-ripgrep'
  (when (cl-search "Ripgrep" (buffer-string))
    ;; we use `run-at-time' to ensure all of these steps
    ;; will be executed in order
    (run-at-time 0 nil #'embark-export)
    (run-at-time 0 nil #'wgrep-change-to-wgrep-mode)
    (run-at-time 0 nil #'evil-normal-state)))

(define-key minibuffer-mode-map (kbd "C-c C-e") #'my/edit-completing-results)

(use-package wgrep
  :ensure t
  :custom
  (wgrep-auto-save-buffer t)
  :bind
  ("C-c C-c" . 'wgrep-finish-edit)
  ("C-c C-k" . 'wgrep-abort-changes))

(use-package hide-mode-line
  :ensure t)

(defun my/org-tree-slide-setup ()
  (org-display-inline-images)
  (hide-mode-line-mode 1))

(defun my/org-tree-slide-end ()
  (org-display-inline-images)
  (hide-mode-line-mode 0))

(use-package org-tree-slide
  :ensure t
  :defer t
  :custom
  (org-image-actual-width nil)
  (org-tree-slide-activate-message "Presentation started!")
  (org-tree-slide-deactivate-message "Presentation finished!")
  :hook ((org-tree-slide-play . my/org-tree-slide-setup)
         (org-tree-slide-stop . my/org-tree-slide-end))
  :bind (:map org-tree-slide-mode-map
              ("C-<" . org-tree-slide-move-previous-tree)
              ("C->" . org-tree-slide-move-next-tree)))

(use-package git-link
  :ensure t
  :defer t)

(use-package git-modes
  :defer t
  :ensure t)

(defun my/magit-blame-quit ()
  "Restore evil state after magit blame mode is closed."
  (evil-exit-emacs-state))

(use-package magit
  :ensure t
  :custom
  ;; restore previous window configuration after a buffer is closed
  (magit-bury-buffer-function 'magit-restore-window-configuration)
  ;; open magit status buffer in the whole frame
  (magit-display-buffer-function 'magit-display-buffer-fullframe-status-v1)
  :defer t
  :config
  (advice-add 'magit-blame-quit :after 'my/magit-blame-quit)
  (add-hook 'git-commit-mode-hook 'my/setup-ispell-for-commit-message)
  (add-hook 'magit-blame-mode-hook #'(lambda () (evil-emacs-state))))

(use-package magit-delta
  :ensure t
  :if (executable-find "delta")
  :hook (magit-mode . magit-delta-mode))

(use-package forge
  :ensure t
  :after (magit closql)
  :config
  (add-hook 'forge-topic-mode-hook #'(lambda () (evil-emacs-state))))

(use-package diff-hl
  :ensure t
  :custom
  (diff-hl-show-staged-changes nil)
  ;; for some reason the :hook form doesn't work so we have to use :init
  :init
  (add-hook 'magit-pre-refresh-hook 'diff-hl-magit-pre-refresh)
  (add-hook 'magit-post-refresh-hook 'diff-hl-magit-post-refresh)
  (add-hook 'dired-mode-hook 'diff-hl-dired-mode)
  :config
  (global-diff-hl-mode))

(use-package git-timemachine
  :ensure t
  :config
  (add-hook 'git-timemachine-mode-hook #'(lambda () (evil-emacs-state))))

(use-package gist
  :ensure t
  :defer t)

(use-package linkode
  :ensure t
  :defer t)

(defun my/web-mode-hook ()
  (emmet-mode)
  (rainbow-delimiters-mode-disable))

(use-package web-mode
  :ensure t
  :custom
  (web-mode-enable-current-element-highlight t)
  (web-mode-enable-current-column-highlight t)
  :mode (("\\.html\\'" . web-mode)
         ("\\.html.eex\\'" . web-mode)
         ("\\.html.leex\\'" . web-mode)
         ("\\.html.heex\\'" . web-mode)
         ("\\.hbs\\'" . web-mode))
  :config
  (add-hook 'web-mode-hook 'my/web-mode-hook))

(use-package emmet-mode
  :ensure t)

(use-package sass-mode
  :ensure t
  :defer t)

(use-package rainbow-mode
  :ensure t
  :hook
  ((css-mode . rainbow-mode)
   (sass-mode . rainbow-mode)
   (scss-mode . rainbow-mode)))

(use-package flymake-shellcheck
  :ensure t
  :defer t
  :if (executable-find "shellcheck")
  :commands flymake-shellcheck-load
  :init
  (add-hook 'sh-mode-hook 'flymake-shellcheck-load))

(reformatter-define c-format
  :program "clang-format")

(with-eval-after-load 'cc-mode
  (define-key c-mode-map (kbd "C-c C-f") 'c-format-buffer))

pip install elpy jedi flake8 epc

pip python-language-server

(use-package flymake-ruff
  :ensure t)

(reformatter-define python-ruff-format
  :program "ruff"
  :args '("format" "-")
  :group 'python)

(reformatter-define python-sort-imports
  :program "ruff"
  :args '("--fix" "--select" "I001" "-")
  :group 'python)

;; we use elpy just to have `elpy-test'
(use-package elpy
  :ensure t
  :defer t
  :custom
  ;; always print stdout when running tests with pytest
  (elpy-test-pytest-runner-command '("pytest" "-s" "-vv"))
  (elpy-shell-echo-input nil))

(setq python-shell-completion-native-enable nil)

(defun my/ensure-elpy-is-loaded ()
  "Check if `elpy' is loaded otherwise load it."
  (unless (featurep 'elpy)
    (require 'elpy)))

(with-eval-after-load 'python
  (evil-define-key nil python-mode-map (kbd "<leader>d") 'my/goto-definition-dumb-jump-fallback)
  (define-key python-mode-map (kbd "C-c C-f") 'python-ruff-format-buffer)
  (define-key python-mode-map (kbd "C-c C-t") 'elpy-test)
  (define-key python-mode-map (kbd "C-c C-i") 'python-sort-imports-region)
  (add-hook 'python-mode-hook #'flymake-ruff-load)
  (add-hook 'python-mode-hook 'my/ensure-elpy-is-loaded))

(defun my/run-django-command ()
  "Run a django command."
  (interactive)
  (let* ((python-bin (concat (getenv "VIRTUAL_ENV") "/bin/python"))
         (manage-py-file (concat (my/project-root) "manage.py"))
         (default-directory (my/project-root))
         (raw-help (shell-command-to-string (concat python-bin " " manage-py-file " help")))
         (splited-lines (split-string raw-help "\n"))
         (options (seq-filter #'(lambda (line) (cl-search "    " line)) splited-lines))
         (selection (completing-read "Pick django command: " (mapcar 'string-trim options)))
         (command (concat python-bin " " manage-py-file " " selection)))
    (compile command)))

git clone https://github.com/erlang/otp.git ~/Code/erlang/src/

(use-package erlang
  :ensure t
  :defer t
  :if (executable-find "erl")
  :config
  (setq erlang-root-dir (expand-file-name "~/Code/erlang/src"))
  (require 'erlang-start))

mix elixir_ls.release

((elixir-mode . ((eglot-workspace-configuration . ((:elixirLS . (:projectDir "mix.exs dir/")))))))

(reformatter-define elixir-format
  :program "mix"
  :args '("format" "-")
  :group 'elixir)

(defun my/elixir-format-buffer ()
  "Format elixir buffers using eglot when is active otherwise use reformatter function."
  (interactive)
  ;; eglot formatter is preferred because it will use project .formatter.exs file
  ;; regular formatter generated by reformatted will ignore that file
  (if (and (featurep 'eglot) (eglot-managed-p))
      (eglot-format-buffer)
    (elixir-format-buffer)))

(use-package elixir-mode
  :ensure t
  :bind (:map elixir-mode-map
              ("C-c C-t" . 'my/mix-run-test-at-point)
              ("C-c C-f" . 'my/elixir-format-buffer))

  :config
  (evil-define-key nil elixir-mode-map (kbd "<leader>d") 'my/goto-definition-dumb-jump-fallback))

(defun my/mix-run-test (&optional scope)
  "Run elixir test for the given SCOPE."
  (interactive)
  (let* ((current-file (buffer-file-name))
         (current-line (line-number-at-pos))
         (mix-file (expand-file-name (concat (locate-dominating-file (buffer-file-name) "mix.exs") "mix.exs")))
         (default-directory (file-name-directory mix-file))
         (extra-env (if (boundp 'elixir-extra-test-env) elixir-extra-test-env ""))
         (mix-env (concat "MIX_ENV=test " extra-env)))

    (cond
     ((string-equal scope "file")
      (compile (format "%s mix test %s" mix-env current-file)))

     ((string-equal scope "at-point")
      (compile (format "%s mix test %s:%s" mix-env current-file current-line)))

     (t
      (compile (format "%s mix test" mix-env))))))


(defun my/mix-run-test-file ()
  "Run mix test over the current file."
  (interactive)
  (my/mix-run-test "file"))

(defun my/mix-run-test-at-point ()
  "Run mix test at point."
  (interactive)
  (my/mix-run-test "at-point"))

(defun my/mix-run-test-all ()
  "Run mix test at point."
  (interactive)
  (my/mix-run-test))

(use-package lfe-mode
  :ensure t
  :if (executable-find "lfe")
  :bind (:map lfe-mode-map
              ("C-c C-c" . lfe-eval-buffer))
  :init
  (defun lfe-eval-buffer ()
    "Send current buffer to inferior LFE process."
    (interactive)
    (if (eq (get-buffer-window "*inferior-lfe*") nil)
        (run-lfe nil))
    (lfe-eval-region (point-min) (point-max) nil)))

npm -g install elm elm-format elm-oracle

(use-package elm-mode
  :ensure t
  :if (executable-find "elm")
  :bind (:map elm-mode-map
              ("C-c C-d" . elm-oracle-doc-at-point))
  :config
  (add-hook 'elm-mode-hook #'elm-oracle-setup-completion)
  (add-to-list 'company-backends 'company-elm))

stack install hlint
stack install hindent

(reformatter-define haskell-format
  :program "hindent"
  :group 'haskell)

(use-package haskell-mode
  :ensure t
  :bind (:map haskell-mode-map
              ("C-c C-f" . haskell-format-buffer)
              ("C-c C-l" . haskell-process-load-file)))

(defun my/run-hlint ()
  "Run  hlint over the current project."
  (interactive)
  (let ((default-directory (my/project-root)))
    (compile "hlint .")))

(defun my/run-hlint-buffer ()
  "Run  hlint over the current buffer."
  (interactive)
  (let* ((current-file (buffer-file-name))
         (default-directory (my/project-root)))
    (compile (concat "hlint " current-file))))

(use-package lua-mode
  :ensure t
  :bind (:map lua-mode-map
              ("C-c C-b" . compile)
              ("C-c C-f" . lua-format-buffer)))

(reformatter-define lua-format
  :program "stylua"
  :args '("-")
  :group 'lua)

(use-package typescript-mode
  :ensure t
  :defer t
  :mode "\\.tsx?\\'"
  :config
  (evil-define-key nil typescript-mode-map (kbd "<leader>d") 'my/goto-definition-dumb-jump-fallback))

rustup component add rust-analyzer

rustup component add rust-src

(use-package rust-mode
  :ensure t
  :if (executable-find "rustc")
  :config
  (evil-define-key nil rust-mode-map (kbd "<leader>d") 'my/goto-definition-dumb-jump-fallback))

(defun my/rust-run-file ()
  "Compile and rust current file."
  (interactive)
  (unless (buffer-file-name)
    (user-error "Save file before"))
  (let* ((path (buffer-file-name))
         (default-directory (file-name-directory path))
         (filename (buffer-name))
         (command (format "rustc %s && ./%s" filename (string-replace ".rs" "" filename))))
    (compile command)))

go install golang.org/x/tools/cmd/goimports@latest

brew install gopls

(use-package go-mode
  :ensure t
  :if (executable-find "go")
  :bind (:map go-mode-map
              ("C-c C-t" . go-test-current-file)
              ("C-c C-c" . go-run)
              ("C-c C-f" . gofmt))
  :hook (go-mode . eglot-ensure)
  :config
  (setq gofmt-command "goimports")
  (evil-define-key nil go-mode-map (kbd "<leader>d") 'my/goto-definition-dumb-jump-fallback))

(use-package go-playground
  :ensure t
  :if (executable-find "go")
  :after go-mode
  :config
  (setq go-playground-basedir (expand-file-name "~/Code/golang/playgrounds")))

(defconst inferior-lisp-program (executable-find "sbcl"))

(use-package sly
  :ensure t
  :defer t)

(defun my/clj-format-code ()
  "Format clojure code using cider commands."
  (interactive)
  (if (region-active-p)
      (cider-format-region (region-beginning) (region-end))
    (cider-format-buffer)))

(defun my/cider-repl-reset ()
  "Call (reset) in the active repl and return to the position where was called."
  (interactive)
  (save-window-excursion
    (cider-insert-in-repl "(reset)" t)))

(use-package cider
  :ensure t
  :bind (:map cider-mode-map
              ("C-c C-f" . my/clj-format-code)
              ("C-c C-r" . my/cider-repl-reset)))

(evil-define-key nil clojure-mode-map (kbd "<leader>d") 'cider-find-var)

(with-eval-after-load 'evil
  (evil-set-initial-state 'cider-stacktrace-mode 'emacs))

(use-package clj-refactor
  :ensure t
  :after cider
  :bind (:map clojure-mode-map
              ("C-c C-a" . cljr-add-project-dependency))
  :hook (clojure . clj-refactor))

(evil-define-key nil emacs-lisp-mode-map (kbd "<leader>d") 'xref-find-definitions)
(evil-define-key nil lisp-interaction-mode-map (kbd "<leader>d") 'xref-find-definitions)

(defun my/emacs-lisp-hook-setup ()
  (setq indent-tabs-mode nil))

(add-hook 'emacs-lisp-mode-hook 'my/emacs-lisp-hook-setup)

(add-hook 'emacs-lisp-mode-hook 'flymake-mode-on)

(use-package package-lint
  :ensure t
  :defer t)

(use-package tuareg
  :ensure t
  :defer t)

(use-package merlin
  :ensure t
  :hook ((tuareg-mode caml-mode) . merlin-mode))

(use-package merlin-eldoc
  :ensure t
  :hook ((reason-mode tuareg-mode caml-mode) . merlin-eldoc-setup))

(reformatter-define dart-format
  :program "dart"
  :args '("format")
  :group 'dart)

(defun my/dart-run-file ()
  "Execute the code of the current file."
  (interactive)
  (compile (format "dart %s" (buffer-file-name))))

(use-package dart-mode
  :ensure t
  :if (or (executable-find "dart") (executable-find "flutter"))
  :bind (:map dart-mode-map
              ("C-c C-f" . dart-format-buffer)
              ("C-c C-c" . my/dart-run-file))
  :config
  (evil-define-key nil dart-mode-map (kbd "<leader>d") 'xref-find-definitions))

(use-package fsharp-mode
  :ensure t
  :defer t
  :if (executable-find "dotnet")
  :config
  (evil-define-key nil fsharp-mode-map (kbd "<leader>d") 'fsharp-ac/gotodefn-at-point))

(defun my/hugo-insert-image-from-clipboard ()
  "Use clipoard image and put it in a generated images folder for the current file."
  (interactive)
  (let* ((absolute-path (buffer-file-name))
         (splitted (reverse (split-string absolute-path "/")))
         (filename (replace-regexp-in-string ".org" "" (car splitted)))
         (dir (nth 1 splitted))
         (base-image-path (concat (my/project-root) "static/images"))
         (result-image-dir (format "%s/%s/%s" base-image-path dir filename))
         (result-image-name (read-string "Filename: " "image.png"))
         (full-path-result-image (format "%s/%s" result-image-dir result-image-name)))

    (shell-command (format "mkdir -p %s" result-image-dir))
    (shell-command (format "pngpaste %s" full-path-result-image))
    (insert (format "[[file:%s]]" (car (cdr (split-string full-path-result-image "static")))))))

(defun my/open-finder-at (path)
  "Open Finder app with the given PATH."
  (let* ((finder (executable-find "open"))
         (command (format "%s %s" finder path)))
    (shell-command command)))

(defun my/open-project-in-finder ()
  "Open current project in Finder app."
  (interactive)
  (if (my/project-p)
      (my/open-finder-at (my/project-root))
    (message "There is no active project.")))

(defun my/open-current-file-in-finder ()
  "Open current file in Finder."
  (interactive)
  (let ((file (buffer-file-name)))
    (if file
        (my/open-finder-at (file-name-directory file))
      (message "Buffer has not been saved yet!"))))

(defun my/macos-open-file-with ()
  "Open current file with and macOS installed app."
  (interactive)
  (let* ((apps-list (directory-files "/Applications" nil "\\.app$"))
         (selected-app (completing-read "Choose an application: " apps-list)))
    (shell-command (format "open %s -a '%s'" (buffer-file-name) selected-app))))

(defun my/macos-open-current-file ()
  (interactive)
  (shell-command (format "open %s" (buffer-file-name))))

(defun my/save-image-from-clipboard ()
  "Save image from clipboard to the given path."
  (interactive)
  (unless (executable-find "pngpaste")
    (user-error "Install pngpaste to continue"))
  (let* ((path (read-file-name ""))
         (command (format "pngpaste %s" path)))
    (shell-command command)
    (kill-new path)))