#!/bin/bash

url="$1"
interval="${2:-60}"  # Default to 60 seconds if not specified

if [ -z "$url" ]; then
    echo "Usage: $0 <url> [interval_seconds]"
    exit 1
fi

# Test if notify-send is available
if ! command -v notify-send >/dev/null 2>&1; then
    echo "notify-send not found. Installing libnotify-bin..."
    sudo apt-get install libnotify-bin
fi

# Test notification
notify-send "Test" "Testing notifications..."
echo "If you didn't see a notification, there might be an issue with your notification daemon"

old_hash=""

while true; do
    new_hash=$(curl -s "$url" | sha256sum | cut -d' ' -f1)
    
    if [ -n "$old_hash" ] && [ "$old_hash" != "$new_hash" ]; then
		echo "CHANGE DETECTED! $(date)"
        
        # Try multiple notification methods
        notify-send -u critical "Website Changed!" "Changes detected at $url"
        
        # # Alternative: Use zenity if available
        # if command -v zenity >/dev/null 2>&1; then
        #     zenity --info --text="Website changed: $url" &
        # fi
        # 
        # Also try to make a sound
        if command -v paplay >/dev/null 2>&1; then
            paplay --volume=17000 /usr/share/sounds/freedesktop/stereo/complete.oga &
        elif command -v spd-say >/dev/null 2>&1; then
            spd-say "Website changed"
        fi
    fi
    
    old_hash=$new_hash
    sleep $interval
done