#!/bin/sh -e

rand_inst() # Choose a random invidious instance to distribute load.
            # Good digital citizenship is important, you know.
{
   case $(($(dd bs=2 count=1 if=/dev/random of=/dev/stdout | od - | \
          sed -ne 's&  *& &gp' | cut -d ' ' -f2) % 3)) in
     0) printf "vid.puffyan.us" ;;
     1) printf "ytprivate.com" ;;
     2) printf "yewtu.be" ;;
   esac
}

if [ "$(printf "%s" "${1}"|cut -b 1,2,3,4)" = "http" ]
then
   case "${1}" in
      *youtu*) exec Links "$(printf "%s" "${1}"|sed -ne \
                           "s&\(http.*://\).*\(/.*\)&\1$(rand_inst)\2&p")" & ;;
      *reddit*) exec Links "$(printf "%s" "${1}"|sed -ne \
                           "s&\(http.*://\).*\(/.*/\)&\1libredd.it\2&p")" & ;;
      *4chan.org*) exec Links "$(printf "%s" "${1}"|sed -ne \
                              "s&4chan&4channel&p")" & ;;
      *) exec Links "${1}" & ;;
   esac

else

   mime=$(file --mime-type -b "${1}")

   case ${mime} in
      *html*) exec Links "${1}" &  ;;
      text*)  exec xless "${1}" &  ;;
      video*) exec fpv   "${1}" &  ;;
      audio*) exec fpm   "${1}" &  ;;
      image*) exec iview "${1}" &  ;;
      *pdf)   exec gv    "${1}" &  ;;
      *) printf "Plumber ran into an edge case with the following string/mime\n%s"\
         "${1}"|xmessage -file - & ;;
   esac
fi
exit