dotfiles/.config/lf/preview

#!/bin/sh

set -C -f


image() {
    f=$1
    w=$2
    h=$3
    x=$4
    y=$5
    # kitty +kitten icat --clear --stdin no --silent --transfer-mode memory --place "${w}x${h}@${x}x${y}" "$f" >/dev/tty
    if [ -f "$1" ] && [ -n "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ] && command -V ueberzug >/dev/null 2>&1; then
        printf '{"action": "add", "identifier": "PREVIEW", "x": "%s", "y": "%s", "width": "%s", "height": "%s", "scaler": "contain", "path": "%s"}\n' "$4" "$5" "$(($2-1))" "$(($3-1))" "$1" > "$FIFO_UEBERZUG"
    fi
    exit 1
}

video() {
    f=$1
    w=$2
    h=$3
    x=$4
    y=$5
    thumb="$(vidthumb "$f")" || ( printf "%b" "\033[31mvidthumb script not in path\033[0m"; return 1 )
    image "$thumb" "$w" "$h" "$x" "$y" 
    return 1
}

batorcat() {
	f=$1
    w=$2
	command -v bat > /dev/null 2>&1 && bat --color=always --style=plain --pager=never --terminal-width "$((w-2))" "$f" && exit 0
    command -v batcat > /dev/null 2>&1 && batcat --color=always --style=plain --pager=never --terminal-width "$((w-2))" "$f" && exit 0
	cat "$f" && exit 0
}

CACHE="$HOME/.cache/lf/thumbnail.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | awk '{print $1}'))"

case "$(xdg-mime query filetype "$1")" in
  */x-bzip-compressed-tar|*/x-compressed-tar|*/x-xz-compressed-tar) als -- "$1" && exit 0 || printf "%b" "\033[31matool failed\033[0m" && exit 1;;
  */x-7z-compressed|*/vnd.rar|*/x-tar|*/zip|*/x-java-archive|*/x-xz) 7z l "$1" | sed 1,11d && exit 0 || printf "%b" "\033[31m7zip failed\033[0m" && exit 1;;
  */x-cd-image) iso-info --no-header -l "$1" && exit 0 || printf "%b" "\033[31mlibcdio failed\033[0m" && exit 1;;
  */x-bittorrent) transmission-show "$1" && exit 0 || printf "%b" "\033[31mtransmission-cli failed\033[0m" && exit 1;;
  */vnd.sun.xml.writer) odt2txt "$1" && exit 0 || printf "%b" "\033[31modt2txt failed\033[0m" && exit 1;;
  */msword) catdoc "$1" && exit 0 || printf "%b" "\033[31mcatdoc failed\033[0m" && exit 1;;
  */vnd.openxmlformats-officedocument.wordprocessingml.document) docx2txt < "$1" && exit 0 || printf "%b" "\033[31mdocx2txt failed\033[0m" && exit 1;;
  */vnd.ms-excel) ssconvert --export-type=Gnumeric_stf:stf_csv "$1" "fd://1" | batorcat --language=csv  && exit 0 || printf "%b" "\033[31mgnumeric failed\033[0m" && exit 1;;
  */vnd.openxmlformats-officedocument.spreadsheetml.sheet) ssconvert --export-type=Gnumeric_stf:stf_csv "$1" "fd://1" | batorcat --language=csv && exit 0 || printf "%b" "\033[31mgnumeric failed\033[0m" && exit 1;;
  */epub+zip) [ ! -f "$CACHE" ] && epub-thumbnailer "$1" "$CACHE" 1024; image "$CACHE" "$2" "$3" "$4" "$5" && exit 0 || printf "%b" "\033[31mepubthumbnailer failed (https://github.com/marianosimone/epub-thumbnailer)\033[0m" && exit 1;;
  */pgp-encrypted) gpg -d -- "$1" && exit 0 || printf "%b" "\033[31mgpg failed\033[0m" && exit 1;;
  */pkix-cert) openssl x509 -text -noout -in "$1" && exit 0 || printf "%b" "\033[31mopenssl failed\033[0m" && exit 1;;
  image/*) image "$1" "$2" "$3" "$4" "$5" ;;
  video/*) video "$1" "$2" "$3" "$4" "$5" ;;
  *opendocument*) odt2txt "$1" && exit 0 || printf "%b" "\033[31modt2txt failed\033[0m" && exit 1;;
  */markdown) lowdown -Tterm "$1" && exit 0 || printf "%b" "\033[31mlowdown failed \033[0m" && exit 1;;
  */html) lynx -dump "$1" && exit 0 || w3m -dump "$1" && exit 0 || printf "%b" "\033[31neither lynx nor w3m installed\033[0m" && exit 1;;
  text/*|*/json|*/xml) batorcat "$1" "$2" ;;
  */pdf) [ ! -f "${CACHE}.jpg" ] && pdftoppm -jpeg -f 1 -singlefile "$1" "$CACHE"; image "${CACHE}.jpg" "$2" "$3" "$4" "$5" && exit 0  || printf "%b" "\033[31mpoppler-utils/poppler failed\033[0m" && exit 1;;
esac
case "$(file -bL --mime-type "$1")" in
  text/*) batorcat "$1" "$2" ;;
esac
xdg-mime query filetype "$1"
mediainfo "$1"
exit 1