;; Nicer minibuffer completion

;; First Selectrum, which provides the core incremental minibuffer completion engine
(use-package selectrum
  :config
  (selectrum-mode 1)
  (leader-def-key "z" #'selectrum-repeat))

;; Then prescient, which adds the ability to sort and filter completions
(use-package selectrum-prescient
  :after selectrum
  :config
  (selectrum-prescient-mode 1)
  (prescient-persist-mode 1))

;; Marginalia adds annotations to completion candidates
(use-package marginalia
  :config
  (marginalia-mode 1)
  ;; When using Selectrum, ensure that Selectrum is refreshed when cycling annotations.
  (advice-add #'marginalia-cycle :after
              (lambda ()
                (when (bound-and-true-p selectrum-mode) (selectrum-exhibit))))
  :general
  (minibuffer-local-map "M-A" #'marginalia-cycle)
  :custom
  (marginalia-annotators '(marginalia-annotators-heavy marginalia-annotators-light nil)))

;; Embark adds context actions to completion candidates
(use-package embark
  :config
  (setq embark-action-indicator
      (lambda (map _target)
        (which-key--show-keymap "Embark" map nil nil 'no-paging)
        #'which-key--hide-popup-ignore-command)
      embark-become-indicator embark-action-indicator)
  :general
  ("M-o" #'embark-act)
  ('normal embark-collect-mode-map
   "TAB" #'forward-button
   "?" #'describe-mode
   "A" #'embark-collect-direct-action-minor-mode
   "S" #'tabulated-list-sort
   "a" #'embark-act
   "b" #'backward-button
   "e" #'embark-export
   "f" #'forward-button
   "gr" #'revert-buffer
   "n" #'next-line
   "p" #'previous-line
   "q" #'quit-window
   "s" #'isearch-forward
   "v" #'embark-collect-toggle-view
   "z" #'embark-collect-zebra-minor-mode
   "{" #'tabulated-list-narrow-current-column
   "}" #'tabulated-list-widen-current-column
   "<backtab>" #'backward-button)
  :custom
  (embark-prompter 'embark-keymap-prompter))

;; Consult adds a bunch of completing-read based utilities
(use-package consult
  :general
  ([remap switch-to-buffer] #'consult-buffer)
  ([remap isearch-forward] #'consult-line))

(provide 'init-completion)