;;; -*- lexical-binding: t; -*-
;;; Commentary:
;;; Code:


(use-package recentf
  :demand t
  :bind
  (("C-x g" . recentf-open))
  :init
  (recentf-mode 1)
  :config
  (setopt recentf-max-saved-items 3500
          recentf-auto-cleanup 300))

(defun bd/zathura (file)
  "Open FILE with zathura."
  (start-process "zathura" nil "zathura" (expand-file-name file)))
(defun bd/mpv (file)
  "Open FILE with mpv."
  (start-process "mpv" nil "mpv" "--force-window=yes" (expand-file-name file)))
(defun bd/nsxiv (file)
  "Open FILE with nsxiv."
  (start-process "nsxiv" nil "nsxiv" (expand-file-name file)))
(defun bd/qemu (file)
  "Open FILE with QEMU."
  (let ((options `("qemu-system" nil "qemu-system-x86_64" ,(expand-file-name file)
                   "-net" "nic" "-net""user,hostfwd=tcp:127.0.0.1:2222-:22"
                   "--accel" "kvm" "-m" "4G")))
    (unless (string-match-p "graphic" file)
      (setq options (append options (list "-nographic"))))
    (apply 'start-process options)))
(defun bd/rom (file)
  "Open FILE with an emulator."
  (let ((command
         (cdr (assoc (file-name-extension file)
                     '(("gba" . "mgba")
                       ("z64" . "mupen64plus")
                       ("iso" . "dolphin-emu")
                       ("n64" . "mupen64plus")
                       ("sfc" . "bsnes"))))))
    (start-process command nil command (expand-file-name file))))

(defun bd/external-find-file-wrapper (f &rest args)
  "Wrapper around F (find-file), passing ARGS."
  (defun bd/open-with-function (f)
    (funcall f (car args))
    (recentf-add-file (car args)))

  (let ((ext (or (file-name-extension (car args)) "")))
    (cond
     ((string-match (regexp-opt '("epub" "pdf")) ext)
      (bd/open-with-function #'bd/zathura))
     ((string-match (regexp-opt '("mkv" "mov" "mp4" "webm" "m4v"
                                  "wav" "mp3" "opus" "ogv" "flac"
                                  "m4a")) ext)
      (bd/open-with-function #'bd/mpv))
     ((string-match (regexp-opt '("jpg" "jpeg" "png" "webp"
                                  "ico" "gif" "JPG" "PNG")) ext)
      (bd/open-with-function #'bd/nsxiv))
     ((string-match (regexp-opt '("qcow2")) ext)
      (bd/open-with-function #'bd/qemu))
     ((string-match (regexp-opt '("gba" "z64" "n64" "sfc" "iso")) ext)
      (bd/open-with-function #'bd/rom))
     (t (apply f args)))))
(advice-add #'find-file :around #'bd/external-find-file-wrapper)

(use-package dired
  :demand t
  :config
  (setopt dired-listing-switches "-alhLG --time-style=long-iso --group-directories-first"
          dired-recursive-copies 'always
          dired-recursive-deletes 'always
          dired-auto-revert-buffer t
          dired-dwim-target t
          dired-guess-shell-alist-user
          `((,(regexp-opt '(".pdf")) "pdftotext -nopgbrk -enc UTF-8 -eol unix -layout")
            (,(regexp-opt '(".html")) "icecat &"))))


(provide 'bd--files)
;;; bd--files.el ends here