# KI-Fit Check - AI Readiness Assessment Tool
# .htaccess Configuration

# Set default index files (your HTML file doesn't have PHP, so removed index.php)
DirectoryIndex index.html

# Security & Performance Settings
Options -Indexes
Options -MultiViews
ServerSignature Off

# Enable Rewrite Engine
RewriteEngine On

# Force HTTPS (if you have SSL certificate)
# Uncomment when you have SSL installed
# RewriteCond %{HTTPS} off
# RewriteCond %{HTTP_HOST} !^localhost [NC]
# RewriteCond %{HTTP_HOST} !^127\.0\.0\.1 [NC]
# RewriteRule ^(.*)$ https://%{HTTP_HOST}/$1 [R=301,L]

# ===== SECURITY HEADERS =====
<IfModule mod_headers.c>
    # Prevent MIME type sniffing
    Header set X-Content-Type-Options "nosniff"
    
    # Enable XSS protection
    Header set X-XSS-Protection "1; mode=block"
    
    # Prevent clickjacking
    Header set X-Frame-Options "SAMEORIGIN"
    
    # Referrer Policy
    Header set Referrer-Policy "strict-origin-when-cross-origin"
    
    # Content Security Policy (adjust based on your needs)
    # Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self';"
</IfModule>

# ===== PERFORMANCE OPTIMIZATION =====
<IfModule mod_expires.c>
    ExpiresActive On
    
    # Images
    ExpiresByType image/jpeg "access plus 1 year"
    ExpiresByType image/png "access plus 1 year"
    ExpiresByType image/gif "access plus 1 year"
    ExpiresByType image/svg+xml "access plus 1 year"
    ExpiresByType image/webp "access plus 1 year"
    
    # Fonts
    ExpiresByType font/ttf "access plus 1 year"
    ExpiresByType font/otf "access plus 1 year"
    ExpiresByType font/woff "access plus 1 year"
    ExpiresByType font/woff2 "access plus 1 year"
    
    # CSS & JavaScript
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType text/javascript "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
    
    # HTML
    ExpiresByType text/html "access plus 1 hour"
</IfModule>

<IfModule mod_deflate.c>
    # Compress HTML, CSS, JavaScript, Text, XML and fonts
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE text/javascript
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE text/xml
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/json
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/atom+xml
    AddOutputFilterByType DEFLATE image/svg+xml
    AddOutputFilterByType DEFLATE font/ttf
    AddOutputFilterByType DEFLATE font/otf
    AddOutputFilterByType DEFLATE font/woff
    AddOutputFilterByType DEFLATE font/woff2
</IfModule>

# ===== URL REWRITING =====

# 0) Serve existing files/directories as-is
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]

# 1) Handle clean URLs for questionnaire
# Rewrite /ki-fit-check to /index.html (your main page)
RewriteRule ^ki-fit-check/?$ /index.html [L]

# 2) Handle other pages if they exist
# Example: Rewrite /kontakt to /contact.html
# RewriteRule ^kontakt/?$ /contact.html [L]
# RewriteRule ^agb/?$ /terms.html [L]
# RewriteRule ^datenschutz/?$ /privacy.html [L]

# 3) Remove trailing slashes for non-directories
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} (.+)/$
RewriteRule ^ %1 [R=301,L]

# 4) Custom error pages (if you create them)
# ErrorDocument 404 /404.html
# ErrorDocument 500 /500.html

# ===== REDIRECTIONS (OPTIONAL) =====

# Redirect old .php URLs to clean URLs (if migrating)
# RewriteRule ^index\.php$ / [R=301,L]
# RewriteRule ^ki-fit-check\.php$ /ki-fit-check [R=301,L]

# Redirect www to non-www (or vice versa)
# Uncomment and choose one:
# RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]
# RewriteRule ^(.*)$ https://%1/$1 [R=301,L]

# OR non-www to www:
# RewriteCond %{HTTP_HOST} !^www\. [NC]
# RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [R=301,L]

# ===== BLOCK ACCESS TO SENSITIVE FILES =====
<FilesMatch "^\.">
    Order allow,deny
    Deny from all
</FilesMatch>

<FilesMatch "\.(log|sql|bak|inc|cfg|config|ini)$">
    Order allow,deny
    Deny from all
</FilesMatch>

# ===== CORS SETTINGS (if needed for API calls) =====
<IfModule mod_headers.c>
    # Allow requests from your domain only
    Header set Access-Control-Allow-Origin "https://yourdomain.com"
    
    # Allow specific methods
    Header set Access-Control-Allow-Methods "GET, POST, OPTIONS"
    
    # Allow specific headers
    Header set Access-Control-Allow-Headers "Content-Type, Authorization"
</IfModule>

# ===== CACHE CONTROL =====
<IfModule mod_headers.c>
    # Cache static assets
    <FilesMatch "\.(css|js|jpg|jpeg|png|gif|svg|woff|woff2|ttf|eot|ico)$">
        Header set Cache-Control "public, max-age=31536000, immutable"
    </FilesMatch>
    
    # Don't cache HTML files (except static pages)
    <FilesMatch "\.(html)$">
        Header set Cache-Control "public, max-age=3600, must-revalidate"
    </FilesMatch>
</IfModule>