#!/bin/ksh

f=$1

if [ -z "$f" ];
then
    f="$(find $PWD $HOME $HOME/Downloads -maxdepth 1 -type f \
            | sort -u \
            | fzf -e -x -i)"
fi

###################################################
# URLS
###################################################

if print "$f" | egrep -qi '^shell:|^ushell:|^cvs:';
then
    _server=${f%%:*}
    _dir=${f#*:}
    ssh -tt $_server "vim $_dir"
    exit 0
fi

if print "$f" | egrep -qi '^http[s]{0,1}://';
then
    case "$f" in
        *.mkv) mpv "$f"; ;;
        *.mp4) mpv "$f"; ;;
        *.webm) mpv "$f"; ;;
        *) sacc "$f"; ;;
    esac
    ${BROWSER:=vimb} "$f"
    exit 0
fi

if print "$f" | egrep -qi '^gopher://';
then
    case "$f" in
        *.mkv) mpv "$f"; ;;
        *.mp4) mpv "$f"; ;;
        *.webm) mpv "$f"; ;;
        *) sacc "$f"; ;;
    esac
    exit 0
fi

###################################################
# REAL FILES
###################################################

if [ ! -f "$f" ];
then
    print "Parameter is not a file."
    exit 1
fi

###################################################
# EXTENSIONS
###################################################

EXT="$(print "${f##*.}" | tr '[:upper:]' '[:lower:]')"

case "$EXT" in
    docx) libreoffice "$f"; ;;
    xlsx) libreoffice "$f"; ;;
    txt) vim "$f"; ;;
    m2ts) mpv "$f"; ;;
    flv) mpv "$f"; ;;
    mp3) aplay "$f"; ;;
    aiff) mpva "$f"; ;;
    sid) sidplay "$f"; ;;
    out) kdump -RTf "$f" | less; ;;
    torrent) aria2c "$f"; ;;
    *) unset EXT; ;;
esac

if [ ! -z "$EXT" ];
then
    exit 0;
fi

###################################################
# MIME TYPES
###################################################

case "$(file -ib "$f")" in
    # full qualified
    application/ogg) aplay "$f"; ;;
    application/pdf) mupdf "$f"; ;;
    application/postscript) mupdf "$f"; ;;
    application/vnd.oasis.opendocument.*) libreoffice "$f"; ;;
    audio/mpeg) aplay "$f"; ;;
    audio/midi) timidity "$f"; ;;
    # with wildcards
    audio/*) aplay "$f"; ;;
    video/*) mpv "$f"; ;;
    image/webp) mpv "$f"; ;;
    image/*) nsxiv -N floating -g 1280x720+300+180 -ab "$f"; ;;
    # can't handle
    application/octet-stream) print "Sorry, can't handle: $f"; ;;
    # vim can handle a lot!
    *) vim "$f"; ;;
esac