;; init.el

(defun rh/load-user-file (file)
  "Load FILE from `user-emacs-directory' when it exists."
  (let ((path (expand-file-name file user-emacs-directory)))
    (when (file-exists-p path)
      (load path nil 'nomessage))))

;;; Startup/UI ---------------------------------------------------------------

(setq inhibit-startup-message t
      visible-bell t)

(scroll-bar-mode -1)
(tool-bar-mode -1)
(tooltip-mode -1)
(menu-bar-mode -1)

;;; Editing Defaults ---------------------------------------------------------

(global-display-line-numbers-mode 1)
(setq display-line-numbers-type 'relative)

(setq make-backup-files nil
      auto-save-default nil
      create-lockfiles nil)

(setq vc-follow-symlinks t
      find-file-visit-truename t)

;;; Package Manager ----------------------------------------------------------

(require 'package)

(setq package-archives '(("melpa" . "https://melpa.org/packages/")
                         ("elpa" . "https://elpa.gnu.org/packages/")))

(package-initialize)
(unless package-archive-contents
  (package-refresh-contents))

(unless (package-installed-p 'use-package)
  (package-install 'use-package))

(require 'use-package)
(setq use-package-always-ensure t)

(setq custom-file (expand-file-name "custom.el" user-emacs-directory))

;;; Style/Theme --------------------------------------------------------------

(use-package catppuccin-theme
  :init
  (setq catppuccin-flavor 'mocha)
  :config
  (load-theme 'catppuccin t))

;; Icons are only useful in GUI Emacs.
(use-package all-the-icons
  :if (display-graphic-p))

;; Color nested delimiters in programming buffers.
(use-package rainbow-delimiters
  :hook (prog-mode . rainbow-delimiters-mode))

(use-package doom-modeline
  :init
  (doom-modeline-mode 1)
  :config
  (setq doom-modeline-height 15))

;;; Completion/Search/Navigation ---------------------------------------------

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

(use-package consult
  :bind (("C-x b" . consult-buffer)
         ("C-s" . consult-line)
         ("M-y" . consult-yank-pop)))

(use-package orderless
  :config
  (setq completion-styles '(orderless basic)
        completion-category-defaults nil))

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

(use-package embark
  :bind (("C-." . embark-act)
         ("M-." . embark-dwim)))

(use-package embark-consult
  :after (embark consult))

(use-package which-key
  :init
  (which-key-mode)
  :config
  (setq which-key-idle-delay 1))

;;; Key Bindings -------------------------------------------------------------

;; Make ESC quit prompts.
(global-set-key (kbd "<escape>") #'keyboard-escape-quit)

;; windmove: S-Arrow to move between windows (built-in since Emacs 27).
(windmove-default-keybindings)

;;; Projects -----------------------------------------------------------------

(use-package projectile
  :init
  (when (file-directory-p "~/src")
    (setq projectile-project-search-path '("~/src")))
  (setq projectile-switch-project-action #'projectile-dired)
  :config
  (projectile-mode 1)
  :bind-keymap
  ("C-c p" . projectile-command-map))

(use-package consult-projectile
  :bind (("C-c h" . consult-projectile)))

;;; Git ----------------------------------------------------------------------

(use-package magit
  :commands (magit-status magit-get-current-branch)
  :bind (("C-x g" . magit-status)
         ("C-x M-g" . magit-dispatch)
         ("C-c M-g" . magit-file-dispatch))
  :custom
  (magit-display-buffer-function #'magit-display-buffer-same-window-except-diff-v1)
  (magit-diff-refine-hunk t)
  (magit-auto-revert-mode nil)
  (magit-process-find-password-functions '(magit-process-password-auth-source)))

;;; Org ----------------------------------------------------------------------

(defun rh/org-mode-setup ()
  (org-indent-mode)
  (visual-line-mode 1))

(use-package org
  :hook (org-mode . rh/org-mode-setup)
  :config
  (setq org-agenda-files
        (if (file-directory-p "~/org")
            (directory-files-recursively "~/org" "\\.org$")
          nil)))

(defun rh/wsl-p ()
  (and (eq system-type 'gnu/linux)
       (file-exists-p "/proc/version")
       (with-temp-buffer
         (insert-file-contents "/proc/version")
         (string-match-p "microsoft" (buffer-string)))))

(rh/load-user-file "org-bindings.el")
(rh/load-user-file "common-dev-settings.el")
(if (rh/wsl-p)
    (rh/load-user-file "work-dev-settings.el")
  (rh/load-user-file "dev-settings.el"))
(rh/load-user-file "latex-settings.el")
(rh/load-user-file "custom.el")