# Enable rewrite engine
RewriteEngine On

# Force HTTPS (uncomment jika menggunakan SSL)
# RewriteCond %{HTTPS} off
# RewriteRule ^(.*)$ https://%{HTTP_HOST}/$1 [R=301,L]

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

# Security Headers
<IfModule mod_headers.c>
    Header set X-Content-Type-Options "nosniff"
    Header set X-Frame-Options "SAMEORIGIN"
    Header set X-XSS-Protection "1; mode=block"
    Header set Referrer-Policy "strict-origin-when-cross-origin"
    
    # Cache control for static assets
    <FilesMatch "\.(jpg|jpeg|png|gif|ico|css|js|svg|webp)$">
        Header set Cache-Control "max-age=31536000, public"
    </FilesMatch>
    
    <FilesMatch "\.(html|htm)$">
        Header set Cache-Control "max-age=3600, public, must-revalidate"
    </FilesMatch>
</IfModule>

# GZIP Compression
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE text/javascript
    AddOutputFilterByType DEFLATE text/xml
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE image/svg+xml
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/x-javascript
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/json
    AddOutputFilterByType DEFLATE application/font-woff
    AddOutputFilterByType DEFLATE application/font-woff2
    AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
    AddOutputFilterByType DEFLATE font/opentype
    AddOutputFilterByType DEFLATE font/otf
    AddOutputFilterByType DEFLATE font/ttf
</IfModule>

# Browser Caching
<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/webp "access plus 1 year"
    ExpiresByType image/svg+xml "access plus 1 year"
    ExpiresByType image/x-icon "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"
    
    # 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"
    ExpiresByType application/font-woff "access plus 1 year"
    
    # HTML
    ExpiresByType text/html "access plus 1 hour"
    
    # Other
    ExpiresByType application/pdf "access plus 1 month"
    ExpiresByType application/x-shockwave-flash "access plus 1 month"
</IfModule>

# Prevent directory listing
Options -Indexes

# Custom Error Pages (optional)
# ErrorDocument 404 /404.html
# ErrorDocument 500 /500.html

# Protect sensitive files
<FilesMatch "\.(htaccess|htpasswd|ini|log|sh|sql)$">
    Order Allow,Deny
    Deny from all
</FilesMatch>

# Enable CORS for fonts
<FilesMatch "\.(ttf|ttc|otf|eot|woff|woff2|font.css)$">
    Header set Access-Control-Allow-Origin "*"
</FilesMatch>

# Prevent hotlinking (optional)
# RewriteCond %{HTTP_REFERER} !^$
# RewriteCond %{HTTP_REFERER} !^https?://(www\.)?yourdomain\.com/ [NC]
# RewriteRule \.(jpg|jpeg|png|gif|css|js)$ - [NC,F,L]