#!/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 && BSC="bsc"
type brave >/dev/null 2>&1 && BRC="brc" && BRA="brave"
type firedragon >/dev/null 2>&1 && FDC="fdc"
type firefox >/dev/null 2>&1 && FFC="ffc"
type librewolf >/dev/null 2>&1 && LWC="lwc"
type mullvad-browser >/dev/null 2>&1 && MBC="mbc"
type qutebrowser >/dev/null 2>&1 && QBC="qbc"
[ -n "$WAYLAND_DISPLAY" ] && \
  type wl-copy >/dev/null 2>&1 && CLIPB="clip"
[ -z "$WAYLAND_DISPLAY" ] && [ -n "$DISPLAY" ] && \
  type xclip >/dev/null 2>&1 && CLIPB="clip"
# Flatpaks
if type flatpak >/dev/null; then
  LIST="$(flatpak list)"
  echo "$LIST" | grep -q "org.mozilla.firefox" && FFC="ffc"
  echo "$LIST" | grep -q "com.brave.Browser" && BRA="brave"
  echo "$LIST" | grep -q "io.gitlab.librewolf-community" && \
    LWC="lwc"
  echo "$LIST" | grep -q "org.qutebrowser.qutebrowser" && \
    QBC="qbc"
fi
BROWSERSINSTALLED="$(printf "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s" \
  "$BSC" "${BSC:+\n}" "$BRC" "${BRC:+\n}" "$BRA" "${BRA:+\n}" \
  "$FDC" "${FDC:+\n}" "$FFC" "${FFC:+\n}" "$LWC" "${LWC:+\n}" \
  "$MBC" "${MBC:+\n}" "$QBC" "${QBC:+\n}" "$CLIPB")"

#}}}

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

#{{{ clip
clip () {
  if [ -n "$WAYLAND_DISPLAY" ] && [ -n "$CANCLIPB" ]; then
    printf "%s" "${URL%% }" | wl-copy "$*"
  elif [ -n "$DISPLAY" ] && [ -n "$CANCLIPB" ]; then
    printf "%s" "${URL%% }" | xclip -selection clipboard "$*"
  fi
}
#}}}

#{{{ bra
bra () {
  if [ -n "$BRA" ]; then
    if type brave >/dev/null 2>&2; then
      brave "$1"
    else
      flatpak run com.brave.Browser "$1"
    fi
  fi
}
#}}}

dmenu_lp () {
  dmenu -l 15 -p "$@"
}

#{{{ main
if [ -n "$SEL" ]; then
  case "$SEL" in
    "BRA") exec bra "$URL" ;;
    "BRC") exec brc ${ARG:+"-d"} ${ARG:+"$ARG"} ${URL:+"-u"} ${URL:+"$URL"} ;;
    "BSC") exec bsc ${ARG:+"-d"} ${ARG:+"$ARG"} ${URL:+"-u"} ${URL:+"$URL"} ;;
    "FDC") exec fdc ${ARG:+"-d"} ${ARG:+"$ARG"} ${URL:+"-u"} ${URL:+"$URL"} ;;
    "FFC") exec ffc ${ARG:+"-d"} ${ARG:+"$ARG"} ${URL:+"-u"} ${URL:+"$URL"} ;;
    "LWC") exec lwc ${ARG:+"-d"} ${ARG:+"$ARG"} ${URL:+"-u"} ${URL:+"$URL"} ;;
    "MBC") exec mbc ${ARG:+"-d"} ${ARG:+"$ARG"} ${URL:+"-u"} ${URL:+"$URL"} ;;
    "QBC") exec qbc ${ARG:+"-d"} ${ARG:+"$ARG"} ${URL:+"-u"} ${URL:+"$URL"} ;;
    "CLIPB") exec clip ${URL:+"$URL"} ;;
  esac
fi
if [ -z "$CLIPB$BRA$BSC$FDC$FFC$LWC$MBC$QBC" ]; then
  echo "$BROWSERSINSTALLED"
  [ -z "$BROWSERSINSTALLED" ] && \
    printf "No suitable browsers!\n" && exit 1
  BROWSERSEL="$(echo "$BROWSERSINSTALLED" | dmenu_lp "browser?" ${ARG:+"$ARG"})"
  [ -z "$BROWSERSEL" ] && \
    printf "No browser selected!\n" && exit 1
  case "$BROWSERSEL" in
    clip)
      clip "$ARG" ${URL:+"-u"} ${URL+"$URL"}
      ;;
    brave)
      bra ${URL:+"$URL"}
      ;;
    *)
      $BROWSERSEL ${ARG:+"-d"} ${ARG:+"$ARG"} ${URL:+"-u"} ${URL+"$URL"}
      ;;
  esac
fi
#}}}