#!/bin/sh
#
# ufetch-gentoo - tiny system info for gentoo

## INFO

# user is already defined
hostname="$(hostname)"
os='Gentoo Linux'
host="$(cat /sys/devices/virtual/dmi/id/product_name) $(cat /sys/devices/virtual/dmi/id/product_family)"
kernel="$(uname -sr)"
uptime="$(uptime -p | sed 's/up //')"
packages="$(ls -d /var/db/pkg/*/* | wc -l)"
shell="$(basename "${SHELL}")"
term="$TERM"

## UI DETECTION

parse_rcs() {
	for f in "${@}"; do
		wm="$(tail -n 1 "${f}" 2> /dev/null | cut -d ' ' -f 2)"
		[ -n "${wm}" ] && echo "${wm}" && return
	done
}

rcwm="$(parse_rcs "${HOME}/.xinitrc" "${HOME}/.xsession")"

ui='unknown'
uitype='UI'
if [ -n "${DE}" ]; then
	ui="${DE}"
	uitype='DE'
elif [ -n "${WM}" ]; then
	ui="${WM}"
	uitype='WM'
elif [ -n "${XDG_CURRENT_DESKTOP}" ]; then
	ui="${XDG_CURRENT_DESKTOP}"
	uitype='DE'
elif [ -n "${DESKTOP_SESSION}" ]; then
	ui="${DESKTOP_SESSION}"
	uitype='DE'
elif [ -n "${rcwm}" ]; then
	ui="${rcwm}"
	uitype='WM'
elif [ -n "${XDG_SESSION_TYPE}" ]; then
	ui="${XDG_SESSION_TYPE}"
fi

ui="$(basename "${ui}")"

## DEFINE COLORS

# probably don't change these
if [ -x "$(command -v tput)" ]; then
	bold="$(tput bold)"
	black="$(tput setaf 0)"
	red="$(tput setaf 1)"
	green="$(tput setaf 2)"
	yellow="$(tput setaf 3)"
	blue="$(tput setaf 4)"
	magenta="$(tput setaf 5)"
	cyan="$(tput setaf 6)"
	white="$(tput setaf 7)"
	reset="$(tput sgr0)"
fi

# you can change these
lc="${reset}${bold}${magenta}"      # labels
nc="${reset}${bold}${white}"      # user and hostname
ic="${reset}"                       # info
c0="${reset}${bold}${magenta}"      # first color
c1="${reset}${magenta}"             # second color

## OUTPUT

cat <<EOF

                   ${nc}${USER}${ic}@${nc}${hostname}${reset}
${c0}     .-----.       ${lc}OS:        ${ic}${os}${reset}
${c0}   .\`    _  \`.     ${lc}KERNEL:    ${ic}${kernel}${reset}
${c0}   \`.   (${c1}_)   ${c0}\`.   ${lc}HOST:      ${ic}${host}${reset}  
${c0}     \`${c1}.        /   ${lc}UPTIME:    ${ic}${uptime}${reset}
${c1}    .\`       .\`    ${lc}PACKAGES:  ${ic}${packages}${reset}
${c1}   /       .\`      ${lc}${uitype}:        ${ic}${ui}${reset}
${c1}   \____.-\`        ${lc}TERM:      ${ic}${term}${reset}

EOF