#!/bin/zsh
source "$HOME/.config/wryn/env.zsh"
source $ZSH_COLOR_UTIL

#####################################################################

GLOBAL_FONT_SIZE="$1"
DMENU_FONT_SIZE="$2"
BORDER_PIXEL_SIZE="$3"

[ ! $GLOBAL_FONT_SIZE ]  && GLOBAL_FONT_SIZE=$I3__GLOBAL_FONT_SIZE
[ ! $DMENU_FONT_SIZE ]   && DMENU_FONT_SIZE=$I3__DMENU_FONT_SIZE
[ ! $BORDER_PIXEL_SIZE ] && BORDER_PIXEL_SIZE=$I3__BORDER_PIXEL_SIZE


LOCAL_CONFIG="$HOME/.config/i3/config"
MODEL_CONFIG="$DOTWRYN/config/i3.conf"

REGEX_FONT='^\(font [^0-9]*\)\(.*\)'
REGEX_DMENU="^\\(.*dmenu_run .*-fn '[^0-9]*\\)\\([0-9]*\\)'"
REGEX_BORDER='^\(for_window.*border pixel \)\(.*\)'

DEFAULT_GLOBAL_FONT_SIZE=$(sed -n "s/$REGEX_FONT/\\2/p" $MODEL_CONFIG)
DEFAULT_DMENU_FONT_SIZE=$(sed -n "s/$REGEX_DMENU/\\2/p" $MODEL_CONFIG)
DEFAULT_BORDER_PIXEL_SIZE=$(sed -n "s/$REGEX_BORDER/\\2/p" $MODEL_CONFIG)

#####################################################################

RESET_CONFIG_TO_DEFAULT() {
	STATUS 'relinking default config'
	ln -s $MODEL_CONFIG $LOCAL_CONFIG
}

UPDATE_CONFIG() {
	[ ! $GLOBAL_FONT_SIZE ] && GLOBAL_FONT_SIZE=$DEFAULT_GLOBAL_FONT_SIZE
	[ ! $DMENU_FONT_SIZE ] && DMENU_FONT_SIZE=$DEFAULT_DMENU_FONT_SIZE
	[ ! $BORDER_PIXEL_SIZE ] && BORDER_PIXEL_SIZE=$DEFAULT_BORDER_PIXEL_SIZE

	STATUS 'updating config with the following settings:'
	MENU "GLOBAL_FONT_SIZE  : $GLOBAL_FONT_SIZE"
	MENU "DMENU_FONT_SIZE   : $DMENU_FONT_SIZE"
	MENU "BORDER_PIXEL_SIZE : $BORDER_PIXEL_SIZE"

	sed "\
s/$REGEX_FONT/\\1$GLOBAL_FONT_SIZE/;\
s/$REGEX_DMENU/\\1$DMENU_FONT_SIZE'/;\
s/$REGEX_BORDER/\\1$BORDER_PIXEL_SIZE/;\
" $MODEL_CONFIG > $LOCAL_CONFIG
}

#####################################################################

[ -f $LOCAL_CONFIG ] && rm $LOCAL_CONFIG
[ ! $GLOBAL_FONT_SIZE ] && [ ! $DMENU_FONT_SIZE ] && [ ! $BORDER_PIXEL_SIZE ] \
	&& RESET_CONFIG_TO_DEFAULT 2>/dev/null \
	|| UPDATE_CONFIG 2>/dev/null \
	;

return 0