#!/bin/sh
f() {
        r="$(locate -d "${XDG_CONFIG_HOME}/.p.db" -b -r ".*\.\(${1}\)$")"
        o="$(printf "%s\n" "${r}" | sed 's|.*/||;s/\.[^.]*$//' | dmenu -i -p "${c}" -l "20")"
        [ "${o}" ] && ${2} "$(printf "%s\n" "${r}" | grep -Fm "1" "/${o}.")"
}
c="$(printf "Video\nDoc\nImage\nOffice\nMusic\n" | dmenu -i -p "Categories" -l "5")"
case "${c}" in
        "Video") f "mp4\|mkv\|webm\|mov\|m4v\|wmv\|flv\|avi\|gif\|m2ts" "mpv" ;;
        "Doc") f "pdf\|djvu\|ps\|epub\|mobi\|cb." "zathura --mode fullscreen" ;;
        "Image") f "jpg\|jpeg\|webp\|png\|jxl" "nsxiv -bfq" ;;
        "Office") f "xls\|xlsx\|ods\|doc\|docx\|ppt\|pptx\|odp" "libreoffice" ;;
        "Music") f "mp3\|wav\|flac\|ogg\|m4a\|opus" "mpv --no-video" ;;
        *) exit "0" ;;
esac