Modular-Bashrc-Manager/installer/02_bashboard.sh

#############   DEPENDENCIES   #############

# - Debian Based OS (for now)
# - curl
# - lm-sensors
# apt update && apt install curl lm-sensors

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

colorize() {
        local value=$1
        local green_limit=$2
        local yellow_limit=$3

        if [ "$value" -lt "$green_limit" ]; then
            echo -e "${GREEN}${value}${NC}"
        elif [ "$value" -lt "$yellow_limit" ]; then
            echo -e "${YELLOW}${value}${NC}"
        else
            echo -e "${RED}${value}${NC}"
        fi
}

function dashboard_fast() {
        #### CHANGABLE OPTIONS ####
        ISTHISVM=0 # Change to 1 if this is a VM. This will remove the temperature bit.
        MIN_CHECK_IP=30 # Change this value to set the timing cache for checking the public IP.
        MIN_CHECK_UPDATE=120 # Change this value to set the timing cache for checking updates.
        LOCAL_CACHE=1 # Change this value to 1 if you want to create the local cache in the ~/.bashrc.d/.dashboard_cache.
        UI_SHOWS=1 # Change to 1 if cockpit has been installed. This will shows the IP and port Link. 




        #### Colors ####
        GREEN="\e[32m"
        YELLOW="\e[33m"
        RED="\e[31m"
        CYAN="\e[36m"
        BOLD="\e[1m"
        NC="\e[0m" # reset


        #### Cache ####
        if [ $LOCAL_CACHE -ne 1 ]; then
            CACHE_DIR="/tmp/.dashboard_cache"
        else
            CACHE_DIR="/home/$(whoami)/.bashrc.d/.dashboard_cache"
        fi
        mkdir -p "$CACHE_DIR"

        #### Overview ####
        echo -e "${CYAN}========================================${NC}"
        echo -e "${BOLD}        🖥️  SYSTEM OVERVIEW${NC}"
        echo -e "${CYAN}========================================${NC}"

        #### OS Informations Include ####
        source /etc/os-release


        #### OS info ###
        echo -e "${CYAN}DISTRO:${NC}    $PRETTY_NAME"
        echo -e "${CYAN}ID:${NC}        $ID"
        echo -e "${CYAN}VERSION:${NC}   $VERSION"
        echo -e "${CYAN}URL:${NC}       $HOME_URL"
        echo -e "${CYAN}BUGS_URL:${NC}  $BUG_REPORT_URL"
        echo -e "${CYAN}========================================${NC}"
        
        #### Hostname ####
        echo "📛 $(hostname)"

        
        #### Local IP #### 
        LOCAL_IPS=$(hostname -I 2>/dev/null | xargs)
        PRIMARY_IP=$(echo "$LOCAL_IPS" | awk '{print $1}')

        if [ -z "$LOCAL_IPS" ]; then
            echo "🏠 Local IP: NOT AVAILABLE (no network?)"
            if [ $UI_SHOWS -eq 1 ]; then echo "🌐 Web UI: NOT AVAILABLE"; fi
        else
            echo "🏠 Local IP: $LOCAL_IPS"
            if [ $UI_SHOWS -eq 1 ]; then echo "🌐 Web UI: http://$PRIMARY_IP:9090"; fi
        fi


        #### Public IP ####
        if [ -f "$CACHE_DIR/public_ip" ] && find "$CACHE_DIR/public_ip" -mmin -$MIN_CHECK_IP | grep -q .; then
            PUBLIC_IP=$(cat "$CACHE_DIR/public_ip")
        else
            PUBLIC_IP=$(timeout 2 curl -s ifconfig.me 2>/dev/null)
            if [ -n "$PUBLIC_IP" ]; then
                echo "$PUBLIC_IP" > "$CACHE_DIR/public_ip"
            fi
        fi

        if [ -z "$PUBLIC_IP" ]; then
            echo "🌍 Public IP: NOT AVAILABLE (no internet?)"
        else
            echo "🌍 Public IP: $PUBLIC_IP"
        fi
        #echo ""
        echo -e "${CYAN}   ..................................   ${NC}"

        #### Cpu ####
        LOAD=$(awk '{print $1}' /proc/loadavg)
        CPU_PCT=$(awk -v l="$LOAD" -v n="$(nproc)" 'BEGIN {printf "%d", (l*100/n)}')
        CPU_COLOR=$(colorize "$CPU_PCT" 50 80)
        echo -e "🧠 CPU: ${CPU_COLOR}%"


        #### Ram ####
        read MEM_TOTAL MEM_USED <<< $(free -m | awk '/Mem:/ {print $2, $3}')
        MEM_PCT=$((MEM_USED * 100 / MEM_TOTAL))
        MEM_COLOR=$(colorize "$MEM_PCT" 50 80)
        echo -e "💾 RAM: ${MEM_COLOR}% (${MEM_USED}/${MEM_TOTAL}MB)"



        #### Diskspace ####
        DISK_PCT=$(df / | awk 'NR==2 {gsub("%",""); print $5}')
        DISK_COLOR=$(colorize "$DISK_PCT" 50 80)
        DISK=$(df -h / | awk 'NR==2 {print $3 "/" $2}')
        echo -e "📦 Disk: ${DISK} (${DISK_COLOR}%)"



        #### Uptime ####
        echo "⏱️  Uptime: $(awk '{printf "%dd %dh %dm", $1/86400, ($1%86400)/3600, ($1%3600)/60}' /proc/uptime)"


        #### Load Avarage ####
        echo "📊 Load avg: $(awk '{print $1, $2, $3}' /proc/loadavg)"



        #### Updates ####
        if command -v apt >/dev/null 2>&1; then
            if [ -f "$CACHE_DIR/updates" ] && find "$CACHE_DIR/updates" -mmin -$MIN_CHECK_UPDATE | grep -q .; then
                UPDATES=$(cat "$CACHE_DIR/updates")
            else
                UPDATES=$(apt list --upgradable 2>/dev/null | wc -l)
                UPDATES=$((UPDATES - 1))
                echo "$UPDATES" > "$CACHE_DIR/updates"
            fi

            ## 🎨 Dinamic Color ##
            if [ "$UPDATES" -eq 0 ]; then
                UPD_COLOR="${GREEN}${UPDATES}${NC}"
            elif [ "$UPDATES" -le 20 ]; then
                UPD_COLOR="${YELLOW}${UPDATES}${NC}"
            else
                UPD_COLOR="${RED}${UPDATES}${NC}"
            fi

            echo -e "📦 Updates: $UPD_COLOR"
        else
            echo "📦 Updates: N/A"
        fi



        #### Temperature ####
        if [ $ISTHISVM -ne 1 ]; then
            if [ -f /sys/class/thermal/thermal_zone0/temp ]; then
                TEMP_RAW=$(cat /sys/class/thermal/thermal_zone0/temp)
                TEMP=$((TEMP_RAW/1000))

                if [ "$TEMP" -lt 50 ]; then
                    TEMP_COLOR="${GREEN}${TEMP}°C${NC}"
                elif [ "$TEMP" -lt 70 ]; then
                    TEMP_COLOR="${YELLOW}${TEMP}°C${NC}"
                else
                    TEMP_COLOR="${RED}${TEMP}°C${NC}"
                fi

                echo -e "🌡️  Temp: $TEMP_COLOR"
            fi
        fi

        echo -e "${CYAN}========================================${NC}"
}



if [[ $- == *i* ]]; then
	dashboard_fast
fi