#!/bin/sh

TARGET=$1                            # image target
COLORS="/tmp/mimic"                  # path to the extracted colors file
WMVAR="$HOME/.config/wms/wms_var"    # window manager variables 
DAC="a0a0a0"                         # default active color
DIC="404040"                         # default inactive color
DBC="#000000"                        # default background color                 

if [ -f "$TARGET" ]; then    # if cw.png exist, extract colors
    convert $TARGET -colors 3 -depth 6 -format '%c' histogram:info:- | awk '{print $3}' | cut -c 2-7 > $COLORS

    if [ "$(wc -w < $COLORS)" = "3" ]; then    # if two colors turned out
	mainc=$(sed '3 p;d' < $COLORS)    # main color
	secondc=$(sed '2 p;d' < $COLORS)    # second color
	thirdc=$(sed '1 p;d' < $COLORS)    # third color

	# change variables in ~/.wmvar
	sed -i "s/^.*\bAC=\b.*$/AC=$mainc/" $WMVAR    # new acive color
	sed -i "s/^.*\bIC=\b.*$/IC=$secondc/" $WMVAR    # new inactive color
	sed -i "s/^.*\bBC=\b.*$/BC=$thirdc/" $WMVAR    # new background color

    else    # if no two colors turned out
	sed -i "s/^.*\bAC=\b.*$/AC=$DAC/" $WMVAR    # default acive color
	sed -i "s/^.*\bIC=\b.*$/IC=$DIC/" $WMVAR    # default inactive color
	sed -i "s/^.*\bBC=\b.*$/BC=$DBC/" $WMVAR    # default background color
	

    fi

    cp .config/wms/wms_var /tmp/wms_var;    # copy wms_var file into /tmp
    wms_mainrole.sh -t    # make it happen
    
else    # if image target not exist
    exit 0    # leave without change

fi