#!/bin/sh

#{{{ printhelp
printhelp () {
  printf "bm: browser menu script; interface for browsers.\n"
  printf "  -b) basilisk interface\n"
  printf "  -B) brave browser\n"
  printf "  -d) firedragon interface\n"
  printf "  -f) firefox interface\n"
  printf "  -l) librewolf interface\n"
  printf "  -m) mullvad-browser interface\n"
  printf "  -q) qutebrowser interface\n"
  printf "  -d ARG) provide menu args\n"
  printf "  -u ARG) provide URL to open\n"
  exit
}
#}}}

#{{{ BROWSERSBYCMD
# Native binaries
type basilisk >/dev/null 2>&1 && CANBSC="bsc"
type brave >/dev/null 2>&1 && CANBRA="brave"
type firedragon >/dev/null 2>&1 && CANFDC="fdc"
type firefox >/dev/null 2>&1 && CANFFC="ffc"
type librewolf >/dev/null 2>&1 && CANLWC="lwc"
type mullvad-browser >/dev/null 2>&1 && CANMBC="mbc"
type qutebrowser >/dev/null 2>&1 && CANQBC="qbc"
[ -n "$WAYLAND_DISPLAY" ] && \
  type wl-copy >/dev/null 2>&1 && CANCLIPB="clip"
[ -z "$WAYLAND_DISPLAY" -a -n "$DISPLAY" ] && \
  type xclip >/dev/null 2>&1 && CANCLIPB="clip"
# Flatpaks
LIST="$(flatpak list)"
echo "$LIST" | grep -q "org.mozilla.firefox" && CANFFC="ffc"
echo "$LIST" | grep -q "com.brave.Browser" && CANBRA="brave"
echo "$LIST" | grep -q "io.gitlab.librewolf-community" && \
  CANLWC="lwc"
echo "$LIST" | grep -q "org.qutebrowser.qutebrowser" && \
  CANQBC="qbc"
#}}}

#{{{ getopts
unset ARG BSC BRA FDC FFC LWC MBC QBC CLIPB URL
while getopts "hbBcrflmqxwd:u:" o; do case "${o}" in
  b) BSC="y" ;;
  B) BRA="y" ;;
  r) FDC="y" ;;
  f) FFC="y" ;;
  l) LWC="y" ;;
  m) MBC="y" ;;
  q) QBC="y" ;;
  c) CLIPB="y" ;;
  d) ARG="$ARG-d $OPTARG ";;
  u) URL="$OPTARG " ;;
  *) printhelp ;;
esac done
#}}}

#{{{ clip
clip () {
  ARG="$@"
  if [ -n "$WAYLAND_DISPLAY" -a -n "$CANCLIPB" ]; then
    echo -n $URL | wl-copy ${ARG%u}
  elif [ -n "$DISPLAY" -a -n "$CANCLIPB" ]; then
    echo -n $URL | xclip -selection clipboard ${ARG%-u}
  fi
}
#}}}

#{{{ bra
bra () {
  if [ -n "$CANBRA" ]; then
    if type brave >/dev/null 2>&2; then
      brave $@
    else
      flatpak run com.brave.Browser $@
    fi
  fi
}
#}}}

#{{{ Check display server if -w or -x not provided
if [ -n "$WAYLAND_DISPLAY" ]; then
  DMENU="tofi"
  DEFARGS="-c $HOME/.config/tofi/themes/dmenu_vertical --prompt-text"
elif [ -n "$DISPLAY" ]; then
  DMENU="dmenu"
  DEFARGS=" -l 10 -p"
else
  print "Can't tell if Wayland or X; what gives?\n"
  exit 1
fi
#}}}

#{{{ main
if [ -n "$BSC$FDC$FFC$LWC$QBC" ]; then
  ARG="$ARG -u $URL"
fi
echo $ARG
[ -n "$BRA" ] && bra $ARG
[ -n "$BSC" ] && exec bsc $ARG
[ -n "$FDC" ] && exec fdc $ARG
[ -n "$FFC" ] && exec ffc $ARG
[ -n "$LWC" ] && exec lwc $ARG
[ -n "$MBC" ] && exec mbc $ARG
[ -n "$QBC" ] && exec qbc $ARG
[ -n "$CLIPB" ] && exec clip $ARG
if [ -z "$CLIPB$BRA$BSC$FDC$FFC$LWC$MBC$QBC" ]; then
  BROWSERSINSTALLED=""
  for i in CLIPB BRA BSC FDC FFC LWC QBC MBC; do
    if [ -n "$(eval "echo \$CAN${i}")" ]; then
      [ -n "$BROWSERSINSTALLED" ] && STARTLINE="\n" || STARTLINE="" ;
      [ -z "$URL" -a "$i" = "CLIPB" ] && continue
      BROWSERSINSTALLED="${BROWSERSINSTALLED}${STARTLINE}$(eval "echo \$CAN${i}")"
    fi
  done
  echo "$BROWSERSINSTALLED"
  [ -z "$BROWSERSINSTALLED" ] && \
    printf "No suitable browsers!\n" && exit 1
  BROWSERSEL="$(printf "$BROWSERSINSTALLED" | $DMENU $DEFARGS "browser?" $ARG)"
  [ -z "$BROWSERSEL" ] && \
    printf "No browser selected!\n" && exit 1
  case "$BROWSERSEL" in
    clip)
      $BROWSERSEL $ARG
      ;;
    brave)
      bra $URL
      ;;
    *)
      $BROWSERSEL $ARG -u $URL
      ;;
  esac
fi
#}}}