#!/bin/bash

# nginx-safe-reload.sh
# Safely reload nginx by testing configuration first

echo "Testing nginx configuration..."

# Test nginx configuration and capture output
test_output=$(nginx -t 2>&1)
test_result=$?

if [ $test_result -eq 0 ]; then
    echo "✓ Configuration test passed"
    echo "Reloading nginx..."
    
    # Reload nginx service
    if service nginx reload; then
        echo "✓ nginx reloaded successfully"
        exit 0
    else
        echo "✗ Failed to reload nginx service"
        exit 1
    fi
else
    echo "✗ Configuration test failed - nginx NOT reloaded"
    echo
    echo "Error details:"
    echo "$test_output"
    echo
    
    # Try to extract and highlight the problematic file
    error_file=$(echo "$test_output" | grep -o 'in /[^:]*' | head -1 | sed 's/in //')
    if [ -n "$error_file" ]; then
        echo "🔍 Check this file: $error_file"
    fi
    
    echo "Please fix configuration errors before reloading"
    exit 1
fi