websearch

#!/bin/sh

browser='qutebrowser-profile --menu=dmenu'
engine='https://duckduckgo.com/?q=%s'

# Check for menu flag
while [[ $# -gt 0 ]]; do
  case $1 in
    --menu)
      MENU_TYPE="$2"
      shift 2
      ;;
    *)
      shift
      ;;
  esac
done

# Set default if not specified
if [[ -z "$MENU_TYPE" ]]; then
    MENU_TYPE="rofi"
fi

if [[ "$MENU_TYPE" == "dmenu" ]]; then
    menu_cmd="dmenu -c -l 10 -s -p Search"
elif [[ "$MENU_TYPE" == "wmenu" ]]; then
    menu_cmd="wmenu -i -p Search"
else
    menu_cmd="rofi -dmenu -i -p Search -l 10"
fi

gotourl() {
	$browser "$choice"
}

searchweb() {
	#convert search query to percent encoding and insert it into url
	choice=$(echo "$choice" | hexdump -v -e '/1 " %02x"')
	choice=$(echo "$engine" | sed "s/%s/${choice% 0a}/;s/[[:space:]]/%/g")
	gotourl
}

tmpfile=$(mktemp /tmp/dmenu_websearch.XXXXXX)
trap 'rm "$tmpfile"' 0 1 15

printf '%s\n%s\n' "$uricur" "$1" > "$tmpfile"
sed -i -E '/^(#|$)/d' "$tmpfile"

choice=$(cat "$tmpfile" | $menu_cmd) || exit 1

# Detect links without protocol (This is WIP)
protocol='^(https?|ftps?|mailto|about|file):///?'

checkurl() {
	grep -Fx "$choice" "$tmpfile" &&
		choice=$(echo "$choice" | awk '{ print $1 }') && return 0
	[ ${#choice} -lt 4 ] && return 1
	echo "$choice" | grep -Z ' ' && return 1
	echo "$choice" | grep -EiZ "$protocol" && return 0
	echo "$choice" | grep -FZ '..' && return 1
	prepath=$(echo "$choice" | sed 's/(\/|#|\?).*//')
	echo "$prepath" |  grep -FvZ '.' && return 1
	echo "$prepath" |  grep -EZ '^([[:alnum:]~_:-]+\.?){1,3}' && return 0
}

if checkurl
then
	echo "$choice" | grep -EivZ "$protocol" &&
		choice="http://$choice"
	gotourl
else searchweb
fi