#!/bin/bash

# 'Lil Fetch
# A tiny little fetch tool
# By Kat Hamer

# Get RAM used
ram_used() {
	awk '/^Mem/ {print $3}' <(free -m)
}

# Get total RAM
ram_total() {
	awk '/^Mem/ {print $2}' <(free -m)
}

# Get WM name (Requires wmctrl to be installed!)
wm_name() {
	if [ -x "$(command -v wmctrl)" ]
	then
		awk '/Name:/ {print $2}' <(wmctrl -m)
	else
		echo "Unknown (Is wmctrl installed?)"
	fi
}

# Store OS info (DOES NOT WORK ON ALL SYSTEMS!)
os_info() {
	source /etc/os-release
}

# Get shell version
shell_version() {
	case $(basename "$SHELL") in
		"bash")
			echo "Bash $BASH_VERSION"
			;;
		"zsh")
			zsh --version
			;;
		*)
			echo "$SHELL"
			;;
	esac
}

# Get uptime
uptime() {
	uptime | gawk '{ printf $1 }'
}

display_bar() {
	echo -e "\e[41m    \e[42m     \e[43m     \e[44m     \e[45m     \e[46m     \e[47m     \e[0m"
}

output_color() {
	os_info
	accent_ansi="\e[0;36m"
	reset_ansi="\e[0m"

	echo -e "$accent_ansi$(whoami)$reset_ansi@$accent_ansi$(hostname)$reset_ansi in $accent_ansi$(pwd)$reset_ansi"
	echo -e "OS: $accent_ansi$NAME$reset_ansi"
	echo -e "RAM: $accent_ansi$(ram_used) MB$reset_ansi/$accent_ansi$(ram_total)$reset_ansi MB"
	echo -e "Shell: $accent_ansi$(shell_version)$reset_ansi"
	echo -e "WM: $accent_ansi$(wm_name)$reset_ansi"
	echo
	display_bar
}


output_plain() {
	os_info

	echo -e "$(whoami)@$(hostname) in $(pwd)$"
	echo -e "OS: $NAME"
	echo -e "RAM: $(ram_used) MB/$(ram_total) MB"
	echo -e "Shell: $(shell_version)"
	echo -e "WM: $(wm_name)"
}

main() {
	output_color
}

# Call main function
main