#!/bin/bash

#################################
# This is /home/miguel/bin/surf #
#################################

# TODO: bookmarks with %s to fill in selection from xclip
# TODO: add bookmark with _NET_WM_NAME

SURF=/home/miguel/git/surf/surf
TABBED=/home/miguel/git/tabbed/tabbed
XDOTOOL=/usr/bin/xdotool
DMENU=/usr/bin/dmenu
BOOKMARKS=/home/miguel/doc/BOOKMARKS
SEARCH_DUCKDUCK="https://www.duckduckgo.com?q=%s"
SEARCH_STARTPAGE="https://www.startpage.com/do/search?query=%s" 
SEARCH_GOOGLE="https://www.google.com/search?q=%s" 

BCK="#333"
FOR="#FFF"
SELBCK="#38F"
SELFOR="#FFF"

SEARCH=$SEARCH_DUCKDUCK

WM_CLASSNAME=surf-tabbed

# 4k adjutsment
export GDK_SCALE=2 
export GDK_DPI_SCALE=0.5 

# try to find a running tabbed with our classname.
# if nothing found, start a new instance and return its id.
get_tabbed_id()
{
    local ID=$($XDOTOOL search -classname ^${WM_CLASSNAME}$)

    if [ -z "$ID" ]
    then
       ID=$($TABBED -p +999 -t $SELBCK -T $SELFOR -u $BCK -U $FOR -dcn ${WM_CLASSNAME})
    fi

    echo $ID
}

# get query from dmenu/bookmarks, automatically decide between search or url
# $1 - prompt
# $2 - url (optional)
get_query() 
{   

        query_nocut=$(echo -e  "$2\n  - - - - - - - -" | cat - $BOOKMARKS | $DMENU -i -l 30 -p $1)  
        query=$(echo $query_nocut | cut -s -f 2 -d '*')

        if [ -z "$query" ]
        then
            query=$query_nocut
        fi

        if [ -z "$query" ]
        then
            exit 0
        fi

	[[ "$query" =~ \.|/ ]] || query=$(echo $SEARCH | sed "s/%s/${query}/" | tr " " "+" )

	echo "$query"
}

#open surf:
# $1 window_id 
# $2 OLD - open in existing tab/window
#    NEW - open in new tab/indow
# $3 url to open (optional, otherwise dmenu prompt shown to type url)
#
open_surf()
{
    window_id=$1
    target=$2
    open_url=$3

    if [ "$window_id" -gt 0 ]; then
	url=$(xprop -id $window_id _SURF_URI | sed 's/.*\"\(.*\)\".*/\1/')
    fi

    if [ $# -eq 2 ]; then
	if [ "$target" == "OLD"  ]; then
	    query=$(get_query "surf>" $url)
	else
	    query=$(get_query "SURF>" $url)
	fi 
    elif [ $# -eq 3 ]; then
	    query=$open_url
    else
	echo "illegal number of parameters!"
	exit -1
    fi

    # TODO!
    #query=$(echo $query | sed "s/%s/$(xclip -out)/" | tr " " "+" ) # current url too 

    if [ -z "$query" ]
    then
	exit 0
    fi

    tabbed_id=$(get_tabbed_id)

    echo Opening:  [$query] in tabbed [$tabbed_id] with window id [$window_id]

    if [ "$target" == "OLD"  ]; then
	xprop -id $window_id -f _SURF_GO 8s -set _SURF_GO "${query}"
    else
	$SURF -N -e $tabbed_id  "${query}"  > /dev/null 2>&1  &
	wmctrl -a $tabbed_id -i
    fi
}

main()
{
    if [ $# -eq 2 ]; then
	open_surf $1 $2
    elif [ $# -eq 1 ]; then
	open_surf 0 NEW $1
    elif [ $# -eq 0 ]; then
	open_surf 0 NEW
    else
	echo "illegal number of parameters!"
	exit -1
    fi
}

# call our main with all paramters
main $@