# SoftEdge Corporation - Professional Apache Configuration
# Security and Performance Optimizations

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

# Prevent access to vendor directory (using FilesMatch instead)
<FilesMatch "^vendor/">
    Order Allow,Deny
    Deny from all
</FilesMatch>

# Prevent access to logs directory (using FilesMatch instead)
<FilesMatch "^logs/">
    Order Allow,Deny
    Deny from all
</FilesMatch>

# Prevent access to .env files
<Files ".env*">
    Order Allow,Deny
    Deny from all
</Files>

# Enable URL rewriting
RewriteEngine On

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

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

# Handle PHP files without .php extension (optional)
# RewriteCond %{REQUEST_FILENAME} !-d
# RewriteCond %{REQUEST_FILENAME} !-f
# RewriteCond %{REQUEST_FILENAME}.php -f
# RewriteRule ^(.*)$ $1.php [L]

# Health check endpoint
RewriteRule ^health$ health.php [L]

# Security headers (additional layer)
<IfModule mod_headers.c>
    # Prevent clickjacking
    Header always set X-Frame-Options DENY

    # Prevent MIME type sniffing
    Header always set X-Content-Type-Options nosniff

    # Enable XSS filtering
    Header always set X-XSS-Protection "1; mode=block"

    # Referrer Policy
    Header always set Referrer-Policy "strict-origin-when-cross-origin"

    # Content Security Policy
    Header always set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https://unpkg.com https://cdn.tailwindcss.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: https:; connect-src 'self'"

    # HSTS (uncomment when SSL is available)
    # Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains"
</IfModule>

# Compression
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/xml
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/x-javascript
    AddOutputFilterByType DEFLATE application/json
</IfModule>

# Browser caching
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType image/jpg "access plus 1 month"
    ExpiresByType image/jpeg "access plus 1 month"
    ExpiresByType image/gif "access plus 1 month"
    ExpiresByType image/png "access plus 1 month"
    ExpiresByType image/svg+xml "access plus 1 month"
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType application/pdf "access plus 1 month"
    ExpiresByType text/javascript "access plus 1 week"
    ExpiresByType application/javascript "access plus 1 week"
    ExpiresByType application/x-shockwave-flash "access plus 1 month"
    ExpiresByType image/x-icon "access plus 1 year"
    ExpiresDefault "access plus 2 days"
</IfModule>

# PHP settings
<IfModule mod_php.c>
    php_value upload_max_filesize 10M
    php_value post_max_size 10M
    php_value max_execution_time 300
    php_value memory_limit 256M
    php_flag display_errors Off
    php_flag log_errors On
    php_value error_log logs/php_errors.log
</IfModule>

# Error pages (commented out - files don't exist)
# ErrorDocument 404 /404.php
# ErrorDocument 403 /403.php
# ErrorDocument 500 /500.php

# Prevent image hotlinking (optional)
# RewriteCond %{HTTP_REFERER} !^$
# RewriteCond %{HTTP_REFERER} !^https?://(www\.)?softedge-corporation\.up\.railway\.app [NC]
# RewriteRule \.(gif|jpg|jpeg|png|svg)$ - [F,L]