#!/bin/bash
#########################################################
# 							#
# This is BashStyle-NG  				#
#							#
# Licensed under GNU GENERAL PUBLIC LICENSE v3    	#
#							#
# Copyright 2007 - 2017 Christopher Bratusek		#
#							#
#########################################################

host=${HOSTNAME/.*}

counter=0

_equinox_counter () {
	if [[ ${counter} -eq 0 ]]; then
		counter=4
	else	counter=$((counter+2))
	fi
}

if [[ $(ini_get equinox_systemload) == True ]]; then

_equinox_counter
_equinox_sysload_pos=${counter}

_equinox_systemload () {
	echo -en "\033[${_equinox_sysload_pos};$((COLUMNS-29))H"
	echo -en "${ecolor_separator}(${ecolor_font} system-load: $(systemkit load1)${ecolor_separator} )────────┤"
}

fi

if [[ $(ini_get equinox_cpuload) == True ]]; then

_equinox_counter
_equinox_cpuload_pos=${counter}

_equinox_cpuload () {
	echo -en "\033[${_equinox_cpuload_pos};$((COLUMNS-29))H"
	echo -en "${ecolor_separator}(${ecolor_font} cpu-load: $(systemkit cpuload)${ecolor_separator} )────────────┤"
}

fi

if [[ $(ini_get equinox_ram) == True ]]; then

_equinox_counter
_equinox_ram_pos=${counter}

_equinox_ram () {
	echo -en "\033[${_equinox_ram_pos};$((COLUMNS-29))H"
	echo -en "${ecolor_separator}(${ecolor_font} ram: ${ecolor_separator}$(systemkit usedram)mb${ecolor_font} / ${ecolor_separator}$(systemkit freeram)mb )─────┤"
}

fi

if [[ $(ini_get equinox_proc) == True ]]; then

_equinox_counter
_equinox_proc_pos=${counter}

_equinox_proc () {
	echo -en "\033[${_equinox_proc_pos};$((COLUMNS-29))H"
	echo -en "${ecolor_separator}(${ecolor_font} processes:${ecolor_ps} $(systemkit processes) ${ecolor_separator})──────────┤"
}

fi

if [[ $(ini_get equinox_lastcmd) == True ]]; then

_equinox_counter
_equinox_lastcmd_pos=${counter}

_equinox_lastcmd () {
	echo -en "\033[${_equinox_lastcmd_pos};$((COLUMNS-29))H"
	case ${lastexit} in
		0)
			echo -en "${ecolor_separator}( ${egreen}${return_good}: ${lastcommandprintable} ${ecolor_separator})─┤"
		;;
		141)
			# pressing 'q' in 'git log' results in ${lastexit} -eq 141, but it's not actually a failure (...)
			echo -en "${ecolor_separator}( ${eyellow}${return_other}: ${lastcommandprintable} ${ecolor_separator})─┤"
		;;
		*)
			echo -en "${ecolor_separator}( ${ered}${return_bad}: ${lastcommandprintable} ${ecolor_separator})─┤"
		;;
	esac
}

fi

# currently counter holds the line number of the last prompt part
# to draw. We need four more lines to make equinox properly work
counter=$((counter+4))

[[ ! ${dirchar} ]] && dirchar="/"
[[ ! ${trunc_symbol} ]] && trunc_symbol="«"
[[ ! ${trunc_length} ]] && trunc_length=1

function pre_prompt {

newPWD="${PWD}"

let promptsize=$(echo -n "--( $(whoami) @ ${host} )--( ${PWD} )-----" | wc -c | tr -d " ")

let fillsize=COLUMNS-${promptsize}
fill=""
while [ "${fillsize}" -gt "0" ]
do
    fill="${fill}─"
	let fillsize=${fillsize}-1
done

if [ "${fillsize}" -lt "0" ]
then
    let cutt=${trunc_length}-${fillsize}
    xPWD="${trunc_symbol}${PWD:${cutt}}"
    newPWD="${xPWD//\//${ecolor_separator}${dirchar}${ecolor_wdir}}"
else
    newPWD="${PWD//\//${ecolor_separator}${dirchar}${ecolor_wdir}}"
fi

_newPWD () {
	echo -e "${newPWD}"
}

echo -en "\033[2;$((COLUMNS-29))H"
echo -en "${ecolor_separator}(${ecolor_time} $(date +%H:%M)${ecolor_separator} :${ecolor_date} $(date '+%a, %d %b %y')${ecolor_separator} )────┐"
echo -en "\033[3;${COLUMNS}H${ecolor_separator}│"

i=${LINES}

if [[ ${i} -ge ${counter} ]]; then
	while [ ${i} -ge 4 ]
	do
		case ${i} in
			${_equinox_sysload_pos} )	_equinox_systemload	;;
			${_equinox_cpuload_pos} )	_equinox_cpuload	;;
			${_equinox_ram_pos} )		_equinox_ram		;;
			${_equinox_proc_pos} )		_equinox_proc		;;
			${_equinox_lastcmd_pos} )	_equinox_lastcmd	;;
			* )
				echo -en "\033[$((i));${COLUMNS}H${ecolor_separator}│"
			;;
		esac
		let i=${i}-1
	done
else
	while [ ${i} -ge 4 ]
	do
		echo -en "\033[$((i));${COLUMNS}H${ecolor_separator}│"
		let i=${i}-1
	done
fi

let prompt_line=${LINES}-1
}

PROMPT_COMMAND=pre_prompt

if [[ $(ini_get equinox_uptime) == True ]]; then

PS1="\[\033[\${prompt_line};0H\]\n\
${color_separator}┌─( ${color_user}\u ${color_font}@ ${color_host}\h \
${color_separator})─\${fill}─( ${color_wdir}\$(_newPWD)\
${color_separator} )────┘\n\
${color_separator}└─(${color_uptime} uptime: \$(systemkit uptime)\
${color_font} :${EQUINOX_1_COLOR}\$(EQUINOX_1)${color_font} \$ \
${color_separator})·>${color_font} "

else

PS1="\[\033[\${prompt_line};0H\]\n\
${color_separator}┌─( ${color_user}\u ${color_font}@ ${color_host}\h \
${color_separator})─\${fill}─( ${color_wdir}\$(_newPWD)\
${color_separator} )────┘\n\
${color_separator}└─(${EQUINOX_1_COLOR}\$(EQUINOX_1)${color_font} \
\$ ${color_separator})·>${color_font} "

fi

