#!/bin/bash

    source /etc/serverconfig/.env

    disk_usage() {
        df -h / | grep / | awk -v max="$1" '{
            usage = $5;
            gsub("%", "", usage);
            if (usage > max) {
                printf "<b>🚨 WARNING:</b>\nDisk usage is at %d%%. which exceed the treshold of %d%%.\n\n", usage, max;
            } 
            printf "<b>💾 Disk Usage Information:</b>\nTotal Size: %s, Used: %s, Available: %s\n\n", $2, $3, $4;
        }'
    }

    curl -X POST "https://api.telegram.org/bot$TOKEN/sendMessage" \
        -d "chat_id=$CHAT_ID" \
        -d "text=$(disk_usage 80)" \
        -d "parse_mode=HTML"