#############   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.
    




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


    #### Cache ####
    CACHE_DIR="/tmp/.dashboard_cache"
    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?)"
        echo "🌐 Web UI: NOT AVAILABLE"
    else
        echo "🏠 Local IP: $LOCAL_IPS"
        echo "🌐 Web UI: http://$PRIMARY_IP:9090"
    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}"
}

dashboard_fast