#!/bin/bash

# Enhanced IPv6 Website Testing Script
echo "🌐 Mycelium IPv6 Website Testing"
echo "================================="

# Get IPv6 addresses from nodes
echo "🔍 Discovering IPv6 addresses..."
IPV6_ADDRS=$(kubectl get nodes -o jsonpath='{range .items[*]}{.metadata.annotations.k3s\.io/internal-ip}{"\n"}{end}' | tr ',' '\n' | grep ':' | sort | uniq)

if [ -z "$IPV6_ADDRS" ]; then
    echo "❌ No IPv6 addresses found!"
    exit 1
fi

echo "✅ Found IPv6 addresses:"
echo "$IPV6_ADDRS" | nl

# Get current pod info
POD_INFO=$(kubectl get pods -l app=mycelium-website -o wide --no-headers)
echo ""
echo "📊 Current Deployment Status:"
echo "$POD_INFO"

# Test each IPv6 address
echo ""
echo "🧪 Testing IPv6 connectivity..."
SUCCESS_COUNT=0
TOTAL_COUNT=$(echo "$IPV6_ADDRS" | wc -l)

for IPV6 in $IPV6_ADDRS; do
    echo ""
    echo "Testing: http://[$IPV6]:8080"
    
    # Test connection with timeout and show result
    if timeout 5 curl -6 -s --connect-timeout 3 --max-time 8 "http://[$IPV6]:8080" > /tmp/test_response.txt 2>/dev/null; then
        if [ -s /tmp/test_response.txt ]; then
            echo "✅ SUCCESS - Website accessible!"
            SUCCESS_COUNT=$((SUCCESS_COUNT + 1))
            
            # Show content preview
            echo "📄 Content preview:"
            head -5 /tmp/test_response.txt | sed 's/^/   /'
            echo "   ..."
        else
            echo "⚠️  Connection succeeded but no content received"
        fi
    else
        echo "❌ FAILED - Cannot connect"
    fi
done

echo ""
echo "📊 Results Summary:"
echo "   Total IPv6 addresses: $TOTAL_COUNT"
echo "   Accessible websites: $SUCCESS_COUNT"
echo "   Success rate: $(( SUCCESS_COUNT * 100 / TOTAL_COUNT ))%"

if [ $SUCCESS_COUNT -gt 0 ]; then
    echo ""
    echo "🎯 Working URLs:"
    for IPV6 in $IPV6_ADDRS; do
        if timeout 3 curl -6 -s --connect-timeout 2 "http://[$IPV6]:8080" > /dev/null 2>/dev/null; then
            echo "   http://[$IPV6]:8080 ✅"
        fi
    done
    
    echo ""
    echo "🚀 Your website is globally accessible via Mycelium IPv6!"
    echo "   Users worldwide can now visit your site using these URLs."
else
    echo ""
    echo "🔧 Troubleshooting Tips:"
    echo "   - Check if Mycelium service is running on nodes"
    echo "   - Verify firewall rules allow IPv6 traffic on port 8080"
    echo "   - Ensure nginx is actually listening (check pod logs)"
fi

# Cleanup
rm -f /tmp/test_response.txt