bfetch

#!/bin/bash

# Color Variables
BLACK="\e[30m"
RED="\e[31m"
GREEN="\e[32m"
YELLOW="\e[33m"
BLUE="\e[34m"
MAGENTA="\e[35m"
CYAN="\e[36m"
WHITE="\e[97m"
ENDCOLOR="\e[0m"

TOP_BAR() {
	echo -e ""
	echo -e "\t╭─────────────╮"
}

OS() {
	USER=$(whoami)
	KERNEL=$(uname -r)
	UPTIME=$(uptime -p)
	# Calculate system age based on /etc/machine-id creation date
	if [[ -f "/etc/machine-id" ]]; then
		AGE=$((($(date +%s) - $(date -r "/etc/machine-id" +%s)) / 86400))
	else
		AGE="Error: File not found"
	fi

	echo -e "\t│  ${RED} User${ENDCOLOR}     │ ${USER}"
	echo -e "\t│  ${YELLOW} Kernel${ENDCOLOR}   │ ${KERNEL}"
	echo -e "\t│  ${BLUE} Uptime${ENDCOLOR}   │ ${UPTIME}"
	echo -e "\t│  ${GREEN} Age${ENDCOLOR}      │ ${AGE} days"
	echo -e "\t├─────────────┤"
}

USAGE() {
	ram_usage=$(free -m | awk 'NR==2{used=$3; total=$2; avail=$7; printf "%dmb / %dmb (%.0f%%), available: %dmb\n", used, total, used/total*100, avail}')
	disk_usage=$(df -h --total | awk '/total/ {printf "%s / %s (%s), available: %s\n", $3, $2, $5, $4}')

	echo -e "\t│  ${MAGENTA} RAM${ENDCOLOR}      │ ${ram_usage}"
	echo -e "\t│  ${CYAN} Disk${ENDCOLOR}     │ ${disk_usage}"
	echo -e "\t├─────────────┤"
}

NETWORK() {
	online_status=$(if ping -c 1 8.8.8.8 &>/dev/null; then echo -e "${GREEN} Online${ENDCOLOR}"; else echo -e "${RED} Offline${ENDCOLOR}"; fi)
	local_ip=$(ip -4 addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '127.0.0.1' | head -n 1)

	echo -e "\t│  ${RED} Internet${ENDCOLOR} │ ${online_status}"
	echo -e "\t│  ${MAGENTA} Local IP${ENDCOLOR} │ ${local_ip:-N/A}"
	echo -e "\t├─────────────┤"
}

BOTTOM_BAR() {
	echo -e "\t│   colors    │  ${WHITE} ${RED} ${YELLOW} ${GREEN} ${CYAN} ${BLUE} ${MAGENTA} ${BLACK}${ENDCOLOR}"
	echo -e "\t╰─────────────╯"
	echo -e ""
}

TEMPS() {
	echo -e ""
	echo -e "\t> Temperatures"
	temp0_path="/sys/class/thermal/thermal_zone0/temp"
	temp1_path="/sys/class/thermal/thermal_zone1/temp"

	if [[ -f "$temp0_path" ]]; then
		temp0=$(cat "$temp0_path")
		temp0_c=$((temp0 / 1000))
		echo -e "\t${RED} CPU Temp${ENDCOLOR}: ${CYAN}${temp0_c}°C${ENDCOLOR}"
	fi

	if [[ -f "$temp1_path" ]]; then
		temp1=$(cat "$temp1_path")
		temp1_c=$((temp1 / 1000))
		echo -e "\t${RED} Other Temp${ENDCOLOR}: ${CYAN}${temp1_c}°C${ENDCOLOR}"
	fi

	if [[ ! -f "$temp0_path" && ! -f "$temp1_path" ]]; then
		echo -e "\t${RED} Error:${ENDCOLOR} No valid temperature sensor found"
	fi

	echo -e ""
}

case $1 in
"-h" | "--help")
	echo -e "usage:  $0 [...]"
	echo -e "arguments:"
	echo -e "    -h | --help     Show this help message"
	echo -e "    -t | --temps    Show temperatures"
	echo -e "    -s | --system   Show system information (default)"
	echo -e ""
	exit 0
	;;
"-t" | "--temps")
	TEMPS
	exit 0
	;;
"-s" | "--system" | "")
	TOP_BAR
	OS
	USAGE
	NETWORK
	BOTTOM_BAR
	exit 0
	;;
*)
	echo -e "${RED}Error:${ENDCOLOR} unrecognized option '$1'. use -h"
	exit 1
	;;
esac