#!/usr/bin/env bash

openee="$1"

case $(file --mime-type "$(readlink -f "$openee")" -b) in
image/vnd.djvu | application/pdf | application/postscript | application/epub*) zathura "$openee" >/dev/null 2>&1 ;;
text/html) nvim "$openee" ;;
text/* | application/json | inode/x-empty | application/x-subrip | application/javascript) nvim "$openee" ;;
image/x-xcf) gimp "$openee" >/dev/null 2>&1 ;;
image/svg+xml) display -- "$openee" ;;
image/*)
	shopt -s nullglob
	dir="$(dirname "$openee")"
	selected_file="$openee"
	images=()
	for file in "$dir"/*.{jpg,jpeg,png,webp,bmp,tiff,tif,raw,ico,exif,heic,heif,gif,avif,jxl,JPG,PNG}; do
		[[ -f "$file" ]] && images+=("$file")
	done
	sorted_images=()
	while IFS= read -r line; do
		sorted_images+=("$line")
	done < <(printf "%s\n" "${images[@]}" | sort -fV)
	for ((i = 0; i < ${#sorted_images[@]}; i++)); do
		[[ "${sorted_images[i]}" = "$selected_file" ]] && {
			setsid nsxiv -aon "$((i + 1))" "${sorted_images[@]}"
			break
		}
	done
	;;
audio/* | video/x-ms-asf) mpv --loop-file --profile=builtin-pseudo-gui "$openee" ;;
video/*) mpv --loop-file "$openee" -quiet >/dev/null 2>&1 ;;
application/pgp-encrypted) nvim "$openee" ;;
application/vnd.openxmlformats-officedocument.wordprocessingml.document | application/vnd.oasis.opendocument.text | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | application/vnd.oasis.opendocument.spreadsheet | application/vnd.oasis.opendocument.spreadsheet-template | application/vnd.openxmlformats-officedocument.presentationml.presentation | application/vnd.oasis.opendocument.presentation-template | application/vnd.oasis.opendocument.presentation | application/vnd.ms-powerpoint | application/vnd.oasis.opendocument.graphics | application/vnd.oasis.opendocument.graphics-template | application/vnd.oasis.opendocument.formula | application/vnd.oasis.opendocument.database) libreoffice "$openee" >/dev/null 2>&1 ;;
application/octet-stream)
	case ${openee##*.} in
	doc | docx | xls | xlsx | odt | ppt | pptx) libreoffice "$openee" >/dev/null 2>&1 ;;
	ts) mpv "$openee" -quiet >/dev/null 2>&1 ;;
	*) zathura "$openee" >/dev/null 2>&1 ;;
	esac
	;;
*) lf -command "set hidden" "$openee" ;;
esac