;;; init.el --- Configuration entry point -*- lexical-binding: t -*-
;;; Commentary:
;;; Code:

;; Some other config files
(add-to-list 'load-path "~/.emacs.d/elisp")

;; Set package dir to follow no-littering conventions
(setq package-user-dir "~/.emacs.d/var/elpa")

;; Use melpa
(require 'package)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
(package-initialize)

;; Ensure use-package is installed
(unless (package-installed-p 'use-package)
  (package-refresh-contents)
  (package-install 'use-package))

;; use-package
(eval-when-compile
  (setq use-package-always-ensure t
        package-user-dir "~/.emacs.d/var/elpa")
  (require 'use-package))

;; no-littering
(use-package no-littering
  :autoload (no-littering-theme-backups
             no-littering-expand-etc-file-name)
  :init
  (no-littering-theme-backups)
  (setq custom-file (no-littering-expand-etc-file-name "custom.el")))

;; diminish
(use-package diminish
  :config
  (diminish 'visual-line-mode)
  (diminish 'abbrev-mode))

;; basic stuff
(use-package emacs
  :hook ((emacs-lisp-mode . my/-emacs-lisp-mode-setup-evil-lookup)
         (prog-mode . electric-pair-local-mode)
         ((text-mode message-mode tex-mode) . flyspell-mode)
         (prog-mode . flyspell-prog-mode))
  :init
  (defun my/-emacs-lisp-mode-setup-evil-lookup ()
    (setq-local evil-lookup-func
                #'my/describe-symbol-at-point))
  (defun my/describe-symbol-at-point ()
    "Calls `describe-symbol' on the return value of `form-at-point'."
    (interactive)
    (let ((form (form-at-point)))
      (if (consp form)
          (describe-symbol (cadr form))
        (describe-symbol form))))

  ;; Terminal mouse support
  (xterm-mouse-mode 1)

  ;; Spell stuff
  (setq ispell-program-name "hunspell"
        flyspell-issue-message-flag nil
        flyspell-issue-welcome-flag nil)


  ;; Better scrolling
  (setq mouse-scroll-delay 0
        scroll-conservatively 10
        scroll-margin 2
        scroll-preserve-screen-position t)

  ;; Make show paren instant
  (setq show-paren-delay 0)
  (show-paren-mode 1)

  ;; Display line numbers
  (global-display-line-numbers-mode 1)

  ;; Allow the frame to be any size
  (setq frame-resize-pixelwise t)

  ;; Disable startup screen
  (setq inhibit-startup-screen t)

  ;; show column numbers
  (column-number-mode 1)

  ;; Disable the menu and tool bars
  (menu-bar-mode -1)
  (tool-bar-mode -1)

  ;; No scroll bars
  (scroll-bar-mode -1)

  ;; Visual line mode
  (global-visual-line-mode 1)

  ;; Set fonts
  (add-to-list 'default-frame-alist '(font . "FiraCode Nerd Font Mono-12"))

  ;; Some settings for programming
  (setq-default indent-tabs-mode nil
		        tab-width 4)

  ;; Tree sitter download locations
  (setq treesit-language-source-alist
        '((c "https://github.com/tree-sitter/tree-sitter-c")
          (cpp "https://github.com/tree-sitter/tree-sitter-cpp")
          (java "https://github.com/tree-sitter/tree-sitter-java")
          (python "https://github.com/tree-sitter/tree-sitter-python")
          (rust "https://github.com/tree-sitter/tree-sitter-rust")
          (json "https://github.com/tree-sitter/tree-sitter-json")
          (css "https://github.com/tree-sitter/tree-sitter-css")
          (go "https://github.com/tree-sitter/tree-sitter-go")
          (js "https://github.com/tree-sitter/tree-sitter-javascript")
          (bash "https://github.com/tree-sitter/tree-sitter-bash")
          (cmake "https://github.com/uyha/tree-sitter-cmake")))
  ;; Tree sitter major mode conversions
  (setq major-mode-remap-alist
        '((c-mode . c-ts-mode)
          (c++-mode . c++-ts-mode)
          (c-or-c++-mode . c-or-c++-ts-mode)
          (java-mode . java-ts-mode)
          (rust-mode . rust-ts-mode)
          (json-mode . json-ts-mode)
          (css-mode . css-ts-mode)
          (js-mode . js-ts-mode)
          (cmake-mode . cmake-ts-mode))))

;; c-ts-mode
(use-package c-ts-mode
  :after evil
  :init
  (setq-default c-ts-mode-indent-offset 4)
  :config
  (evil-define-key 'normal 'c-ts-mode-map
    "go" #'ff-find-other-file
    "gO" #'ff-find-other-file-other-window)
  (evil-define-key 'normal 'c++-ts-mode-map
    "go" #'ff-find-other-file
    "gO" #'ff-find-other-file-other-window)
  (evil-define-key 'normal 'objc-mode-map
    "go" #'ff-find-other-file
    "gO" #'ff-find-other-file-other-window))

;; recentf
(use-package recentf
  :init
  (setq recentf-exclude '("^/tmp/.*"
                          "^~/.mail/[^/]/Drafts/.+"))
  :config
  (recentf-mode 1))

;; kitty keyboard protocol
(use-package kkp
  :config
  (global-kkp-mode 1))

;; evil
(use-package evil
  :init
  (setq evil-want-integration t
        evil-want-keybinding nil
        evil-undo-system 'undo-redo
        evil-search-module 'isearch)
  :config
  (evil-mode 1)
  (evil-define-key '(normal visual motion) proced-mode-map
    "u" #'proced-unmark)
  (evil-define-key '(normal visual motion) dired-mode-map
    "u" #'dired-unmark))
(use-package evil-collection
  :after evil
  :diminish evil-collection-unimpaired-mode
  :config
  (evil-collection-init))
(use-package evil-surround
  :after evil
  :config
  (evil-define-key 'operator evil-surround-mode-map
                    "z" #'evil-surround-edit
                    "Z" #'evil-Sunrround-edit)
  (evil-define-key 'visual evil-surround-mode-map
                    "g z" #'evil-surround-region
                    "g Z" #'evil-Surround-region)
  (global-evil-surround-mode 1))
(use-package evil-terminal-cursor-changer
  :after evil
  :config
  (evil-terminal-cursor-changer-activate))

;; which-key
(use-package which-key
  :diminish which-key-mode
  :config
  (which-key-mode 1))

;; avy
(use-package avy
  :bind (("C-c C-j" . avy-resume)
         ("M-s s" . evil-avy-goto-char-2)
         ("M-s S" . evil-avy-goto-line))
  :init
  (define-minor-mode my/evil-avy-mode
    "A minor mode for binding avy commands to s and S in evil's normal and
visual states."
    :keymap (make-sparse-keymap))
  (evil-define-key '(normal visual operator motion) my/evil-avy-mode-map
    "s" #'evil-avy-goto-char-2
    "S" #'evil-avy-goto-line)
  (define-globalized-minor-mode my/evil-avy-global-mode my/evil-avy-mode
    (lambda () (my/evil-avy-mode 1))
    :predicate '((not magit-mode dired-mode
                      proced-mode mu4e-main-mode
                      mu4e-view-mode mu4e-headers-mode) t))
  (my/evil-avy-global-mode 1)
  :config
  (avy-setup-default))

;; ace-window
(use-package ace-window
  :diminish ace-window-mode
  :bind ("M-o" . ace-window)
  :init
  (setq aw-scope 'frame
        aw-minibuffer-flag t))

;; savehist
(use-package savehist
  :config
  (savehist-mode 1))

;; vertico
(use-package vertico
  :bind (:map vertico-map
              ("C-S-k" . kill-line)
              ("C-k" . vertico-previous)
              ("C-j" . vertico-next)
              ("RET" . vertico-directory-enter)
              ("DEL" . vertico-directory-delete-char)
              ("M-DEL" . vertico-directory-delete-word))
  :hook (minibuffer-setup . cursor-intangible-mode)
  :init
  (defun my/crm-indicator (args)
    (cons (format "[CRM%s] %s"
                  (replace-regexp-in-string
                   "\\`\\[.*?]\\*\\|\\[.*?]\\*\\'" ""
                   crm-separator)
                  (car args))
          (cdr args)))
  (advice-add #'completing-read-multiple :filter-args #'my/crm-indicator)
  (setq vertico-cycle t
        enable-recursive-minibuffers t
        read-extended-command-predicate #'command-completion-default-include-p
        minibuffer-prompt-properties '(read-only t
                                                 cursor-intangible t
                                                 face minibuffer-prompt))
  (vertico-mode 1))

;; orderless
(use-package orderless
  :autoload orderless-define-completion-style
  :hook (text-mode . my/-setup-text-mode-completion-styles)
  :init
  (defun my/-setup-text-mode-completion-styles ()
    (setq-local completion-styles '(basic)))
  (orderless-define-completion-style my/orderless-with-initialism
    (orderless-matching-styles '(orderless-initialism
                                 orderless-literal
                                 orderless-regexp)))
  (setq completion-styles '(orderless basic)
        completion-category-defaults nil
        completion-category-overrides '((file
                                         (styles basic partial-completion))
                                        (command
                                         (my/orderless-with-initialism basic))
                                        (eglot
                                         (orderless basic)))))

;; marginalia
(use-package marginalia
  :bind (:map minibuffer-local-map
              ("M-a" . marginalia-cycle))
  :init
  (marginalia-mode 1))

;; embark
(use-package embark
  :bind (("C-." . embark-act)
	     ("C-;" . embark-dwim))
  :init
  (evil-define-key '(normal visual motion operator insert replace) 'global
    (kbd "M-e") #'embark-act
    (kbd "M-E") #'embark-dwim)
  (setq embark-quit-after-action nil)
  (add-to-list 'display-buffer-alist
               '("\\`\\*Embark Collect \\(Live\\|Completions\\)\\*"
                 nil
                 (window-parameters (mode-line-format . none)))))

;; consult
(use-package consult
  :bind (("C-s" . consult-line)
         ("C-x b" . consult-buffer)
         ("C-S-s" . consult-ripgrep)
         ("C-x C-S-f" . consult-fd)
         ("C-x C-m" . consult-man)
         ("C-h TAB" . consult-info)
         ("C-h C-m" . my/consult-emacs-info)
         ("C-x c k" . consult-keep-lines)
         ("C-x c f" . consult-focus-lines)
         ("C-x c r" . consult-recent-file)
         ("C-x c b" . consult-bookmark)
         ("C-x c d" . consult-fd)
         ("C-x c g" . consult-ripgrep)
         ("M-g i" . consult-imenu)
         ("M-g I" . consult-imenu-multi)
         ("M-g r" . consult-imenu-multi))
  :hook (minibuffer-setup . my/consult-setup-minibuffer-completion)
  :init
  (defun my/consult-setup-minibuffer-completion ()
      (setq-local completion-in-region-function #'consult-completion-in-region))
  (defun my/consult-emacs-info ()
    "`consult-info' for emacs specific pages."
    (interactive)
    (consult-info "emacs" "efaq" "cl" "compat" "elisp"))
  (evil-declare-motion #'consult-line))

;; integration for embark and consult
(use-package embark-consult
  :hook (embark-collect-mode . consult-preview-at-point-mode))

;; corfu (autocomplete)
(use-package corfu
  :bind (("M-<tab>" . completion-at-point)
         :map corfu-map
         ("M-SPC" . corfu-insert-separator)
         ("M-m" . my/corfu-move-to-minibuffer))
  :init
  (defun my/corfu-move-to-minibuffer ()
    (interactive)
    (when completion-in-region--data
      (let ((completion-extra-properties corfu--extra)
            completion-cycle-threshold completion-cycling)
        (apply #'consult-completion-in-region completion-in-region--data))))
  (setq corfu-cycle t
        corfu-auto t
        corfu-on-exact-match nil
        completion-cycle-threshold 3)
  (global-corfu-mode 1)
  (corfu-popupinfo-mode 1)
  :config
  (add-to-list 'corfu-continue-commands #'corfu-move-to-minibuffer))
(use-package corfu-terminal
  :init
  (corfu-terminal-mode 1))

;; cape (a bunch of capfs!)
(use-package cape
  :bind (("C-c p" . cape-dabbrev)
         ("C-c P" . cape-line))
  :hook (text-mode . my/-cape-setup-text-mode)
  :init
  (defun my/-cape-setup-text-mode ()
    (setq-local completion-at-point-functions
                '(cape-dict cape-dabbrev)
                corfu-auto nil))
  (add-to-list 'completion-at-point-functions #'cape-file))

;; xref
(use-package xref
  :init
  (evil-define-key '(normal motion) 'global
    "gr" #'xref-find-references)
  (setq xref-show-xrefs-function #'consult-xref
        xref-show-definitions-function #'consult-xref))

;; popup.el
(use-package popup)

;; flymake
(use-package flymake
  :bind (:map flymake-mode-map
         ("C-c e" . my/flymake-show-diagnostic-at-point)
         ("C-c C-e" . consult-flymake))
  :hook (emacs-lisp-mode . flymake-mode)
  :init
  (defun my/flymake-show-diagnostic-at-point ()
    (interactive)
    (if-let ((pos (point))
             (diag (and flymake-mode
                        (get-char-property pos 'flymake-diagnostic)))
             (message (flymake--diag-text diag)))
        (popup-tip message))))

;; eldoc
(use-package eldoc
  :diminish eldoc-mode
  :init
  (set eldoc-echo-area-use-multiline-p nil))

;; eglot
(use-package eglot
  :hook (((c-ts-mode c++-ts-mode java-ts-mode rust-ts-mode python-ts-mode
           latex-mode markdown-mode) . eglot-ensure)
         (eglot-managed-mode . my/-eglot-setup))
  :init
  (defvar my/-eglot-documentation-buffer nil
    "Buffer for showing documentation for `my/eglot-documentation-at-point'.")
  (defun my/eglot-documentation-at-point ()
    "Show documentation for a symbol at point."
    (interactive)
    (if-let (server (eglot-current-server))
        (progn
          (if-let* (((not (buffer-live-p my/-eglot-documentation-buffer)))
                    (name (generate-new-buffer-name "*eglot documentation*")))
              (setq my/-eglot-documentation-buffer (generate-new-buffer name)))
          (eglot-hover-eldoc-function
           (lambda (info _ _)
             (if-let (((not (seq-empty-p info)))
                      (buff (current-buffer)))
                 (with-current-buffer my/-eglot-documentation-buffer
                   (read-only-mode -1)
                   (erase-buffer)
                   (insert info)
                   (special-mode)
                   (read-only-mode 1)
                   (when (not (get-buffer-window my/-eglot-documentation-buffer nil))
                     (switch-to-buffer-other-window my/-eglot-documentation-buffer t)
                     (switch-to-buffer-other-window buff t)))))))))
  (defun my/-eglot-setup ()
    "Setup eldoc variables for `eglot-managed-mode-hook'."
    (setq-local eldoc-echo-area-use-multiline-p nil
                evil-lookup-func #'my/eglot-documentation-at-point)
    (evil-define-key '(normal motion) 'local
      "K" #'evil-lookup
      "gR" #'eglot-rename
      "gA" #'eglot-code-actions)
    (eglot-inlay-hints-mode -1))
  (setq eglot-autoshutdown t)
  :config
  (add-to-list 'eglot-server-programs
               (cons '(c-mode c-ts-mode c++-mode c++-ts-mode objc-mode)
                     '("clangd" "--all-scopes-completion" "--background-index"
                       "--clang-tidy" "--completion-style=detailed"
                       "--header-insertion=never" "--pch-storage=memory"
                       "--malloc-trim" "--function-arg-placeholders")))
  (advice-add 'eglot-completion-at-point :around #'cape-wrap-buster))

;; project.el
(use-package project
  :bind (:map project-prefix-map
         ("s" . my/project-vterm)
         ("u" . my/project-run))
  :init
  (defvar my/project-vterm-hash-table (make-hash-table :test 'equal)
    "Hash table that maps project root dirs to vterm buffers.")
  (defun my/project-vterm ()
    "Switch to or create a vterm buffer in the current projects root."
    (interactive)
    (if-let ((proj (project-current t))
             (default-directory (project-root proj)))
        (if-let ((vterm-buff (gethash default-directory
                                      my/project-vterm-hash-table))
                 ((buffer-live-p vterm-buff)))
            (switch-to-buffer vterm-buff)
          (puthash default-directory
                   (vterm (concat "*vterm for project " default-directory "*"))
                   my/project-vterm-hash-table))))
  (defvar my/project-run-command nil
    "Command to run with `my/project-run'.")
  (put 'my/project-run-command 'safe-local-variable (lambda (val)
                                                      (stringp val)))
  (defvar my/project-run-dir nil
    "Directory to run project in with `my/project-run'.")
  (put 'my/project-run-dir 'safe-local-variable (lambda (val)
                                                  (stringp val)))
  (defvar my/-project-run-history '()
    "Commands previously run with `my/project-run'")
  (defun my/project-get-root-dir ()
    "Get the root dir for the current project"
    (let ((proj (project-current nil)))
      (or my/project-run-dir
          (if proj (project-root proj) default-directory))))
  (defun my/project-run (command comint)
    "Like `project-compile', but for running a project.
COMMAND and COMINT are like `compile'."
    (interactive
     (list
      (let ((default-directory (my/project-get-root-dir)))
        (read-shell-command "Run Command: "
                            (or my/project-run-command
                                (car my/-project-run-history))
                            (if (and my/project-run-command
                                     (equal my/project-run-command
                                            (car-safe my/-project-run-history)))
                                '(my/-project-run-history . 1)
                              'my/-project-run-history)))
      (consp current-prefix-arg)))
    (let* ((default-directory (my/project-get-root-dir))
           (compilation-buffer-name-function (lambda (_)
                                               (progn "*run project*")))
           (compilation-directory default-directory)
           (compile-history nil)
           (compile-command nil))
      (compile command comint)
      (when (not my/project-run-command)
        (setq my/project-run-command command)))))

;; rust
(use-package rust-mode)

;; markdown
(use-package markdown-mode)

;; cmake
(use-package cmake-mode
  :ensure nil
  :hook (cmake-ts-mode . my/setup-cmake-ts-mode)
  :init
  (defun my/setup-cmake-ts-mode ()
    "Setup `cmake-ts-mode' buffers."
    (setq-local indent-line-function #'cmake-indent)))

;; json
(use-package json-mode)

;; yaml
(use-package yaml-mode)

;; yuck (config language for eww)
(use-package yuck-mode)

;; sly
(use-package sly
  :hook (lisp-mode . my/common-lisp-autoconnect-sly)
  :autoload sly-connected-p
  :init
  (defun my/common-lisp-autoconnect-sly ()
    (unless (sly-connected-p)
      (save-excursion (sly))))
  (setq inferior-lisp-program "/usr/bin/sbcl"))

;; vterm
(use-package vterm
  :hook (vterm-mode . with-editor-export-editor)
  :bind ("C-x C-a" . vterm))

;; proced
(use-package proced
  :bind ("C-x j" . proced)
  :init
  (setq proced-auto-update-flag t
        proced-auto-update-interval 1))

;; dired
(use-package dired
  :ensure nil
  :init
  (evil-define-key '(normal visual motion) dired-mode-map
    "u" #'dired-unmark
    "U" #'dired-unmark-all-marks)
  (evil-define-key '(normal visual motion) wdired-mode-map
    "u" #'dired-unmark
    "U" #'dired-unmark-all-marks))

;; ibuffer
(use-package ibuffer
  :bind ("C-x C-b" . ibuffer))

;; magit
(use-package magit
  :bind ("C-x C-y" . magit)
  :init
  (evil-define-key '(normal visual motion) magit-mode-map
    "s" #'magit-stage-file
    "S" #'magit-stage-modified))

;; org-mode
(use-package org
  :bind (("C-c c" . org-capture)
         ("C-c a" . org-agenda)
         ("C-c l" . org-store-link)
         :map org-mode-map
         ("C-c t" . org-table-create))
  :init
  (setq org-directory "~/org"
        org-agenda-files '("~/org/")
        org-log-into-drawer t
        org-log-done 'time
        org-log-redeadline 'time
        org-log-reschedule 'time))
(use-package evil-org
  :after org
  :hook (org-mode . evil-org-mode)
  :init
  (require 'evil-org-agenda)
  (evil-org-agenda-set-keys))

;; khard contacts
(require 'khard)

;; mu4e
(require 'auth-source-pass)
(auth-source-pass-enable)
(use-package mu4e
  :ensure nil
  :defer nil
  :hook (mu4e-index-updated . my/-mu4e-enable-index-messages)
  :bind (("C-x C-m" . mu4e)
         ("C-x m" . mu4e-compose-new)
         :map message-mode-map
         ("C-c k" . khard-insert-email-contact))
  :init
  (require 'mu4e)
  (evil-define-key '(normal motion) mu4e-main-mode-map "q" #'bury-buffer)
  (defun my/-mu4e-enable-index-messages ()
    (setq mu4e-hide-index-messages nil))
  (defun my/mu4e-update-mail-and-index-silent ()
    "Run `mu4e-update-mail-and-index' without any messages in the background."
    (setq mu4e-hide-index-messages t)
    (mu4e-update-mail-and-index t))
  (setq message-kill-buffer-on-exit t
        message-send-mail-function 'sendmail-send-it
        mu4e-change-filenames-when-moving t
        mu4e-context-policy 'pick-first
        mu4e-index-update-error-warning nil
        mu4e-get-mail-command "mbsync protonmail"
        mu4e-completing-read-function #'completing-read-default
        mu4e-contexts
        `(,(make-mu4e-context
            :name "Personal"
            :enter-func (lambda () (mu4e-message "Entered personal context"))
            :match-func (lambda (msg)
                          (when msg
                            (string-match-p "^/protonmail/"
                                            (mu4e-message-field msg
                                                                :maildir))))
            :vars `((user-mail-address . ,(auth-source-pass-get "email" "emacs/mu4e-protonmail"))
                    (user-full-name . ,(auth-source-pass-get "name" "emacs/mu4e-protonmail"))
                    (message-signature nil)
                    (mu4e-refile-folder . "/protonmail/Archive")
                    (mu4e-sent-folder . "/protonmail/Sent")
                    (mu4e-drafts-folder . "/protonmail/Drafts")
                    (mu4e-trash-folder . "/protonmail/Trash")
                    (mu4e-bookmarks . ((:name "Inbox"
                                              :query "maildir:/protonmail/Inbox"
                                              :key ?i)
                                       (:name "Unread"
                                              :query "flag:unread AND NOT flag:trashed AND NOT maildir:/protonmail/Spam"
                                              :key ?u))))))))
(use-package mu4e-alert
  :after mu4e
  :hook (after-init . mu4e-alert-enable-notifications)
  :init
  (setq mu4e-alert-set-window-urgency nil)
  :config
  (mu4e-alert-set-default-style 'libnotify))
(mu4e t)
(mu4e-context-switch nil "Personal")

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

;; Theme (doom-themes)
(use-package doom-themes
  :config
  (load-theme 'doom-molokai t)
  (doom-themes-org-config))

;; solaire-mode
(use-package solaire-mode
  :config
  (solaire-global-mode 1))

;; icons
(use-package nerd-icons)
(use-package nerd-icons-completion
  :config
  (nerd-icons-completion-mode))
(use-package nerd-icons-dired
  :hook (dired-mode . nerd-icons-dired-mode))
(use-package kind-icon
  :after corfu
  :init
  (setq kind-icon-default-face 'corfu-default
        kind-icon-default-style
        '(:padding -1 :stroke 0 :margin 0 :radius 0 :height 0.5 :scale 1))
  :config
  (add-to-list 'corfu-margin-formatters #'kind-icon-margin-formatter))


;; modeline (doom-modeline)
(use-package doom-modeline
  :init
  (setq doom-modeline-support-imenu t)
  (doom-modeline-mode 1))

;; dashboard.el
(use-package dashboard
  :config
  (dashboard-setup-startup-hook)
  (setq initial-buffer-choice (lambda () (get-buffer-create "*dashboard*"))
        dashboard-display-icons-p t
        dashboard-icon-type 'nerd-icons
        dashboard-set-file-icons t
        dashboard-projects-backend 'project-el
        dashboard-items '((recents . 5)
                          (projects . 5)
                          (bookmarks . 5))))

;;; init.el ends here