#!/bin/sh

WIDTH="$2"
HEIGHT="$3"
TMP="/tmp/vifm_thumb.png"

_preview_video() {
  ffmpegthumbnailer -i "$1" -o "$TMP" -s 0
  show-sixel "$TMP" ${WIDTH} ${HEIGHT}
}

_preview_image() {
  convert -- "$1" "$TMP"
  show-sixel "$TMP" ${WIDTH} ${HEIGHT}
}

case "$1" in
  # First check common extensions
  *.png|*.jpg|*.bmp|*.jpeg|*.gif|*.xpm) show-sixel "$1" ${WIDTH} ${HEIGHT} ;;
  *.avi|*.mp4|*.wmv|*.dat|*.3gp|*.vob|*.ogv|*.mkv|*.mpe?g|*.fl[icv]|*.m2v|*.webm|*.m?ts|*.r[am]|*.qt|*.divx|*.as[fx]|*.m4v|*.mov) _preview_video "$1" ;;
  # Then fallback to mimetypes
  *)
    mimetype=$(file --dereference --brief --mime-type -- "$1")
    case "$mimetype" in
      image/vnd.djvu)
        djvutxt "$1" || exiftool "$1" ;;
      image/*)
        _preview_image "$1" ;;
      application/font*|application/*opentype|font/*)
        genfontimage "$1" "$TMP"
        show-sixel "$TMP" ${WIDTH} ${HEIGHT} ;;
      video/*)
        _preview_video "$1" ;;
      *)
        exit 1 ;;
    esac ;;
esac