# KI-Fit Check Questionnaire - Server Configuration
# For Appwizzy platform compatibility

# Set default index files
DirectoryIndex index.php index.html

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

# Enable Rewrite Engine
RewriteEngine On

# Force HTTPS (uncomment when SSL is 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"
</IfModule>

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

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

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

# 3) Handle other pages
RewriteRule ^kontakt/?$ ki-check.php [L]
RewriteRule ^ergebnisse/?$ results.php [L]
RewriteRule ^erfolg/?$ success.php [L]

# 4) Handle API endpoints
RewriteRule ^api/submit/?$ api/submit.php [L]
RewriteRule ^api/analyze/?$ api/analyze.php [L]
RewriteRule ^api/generate-pdf/?$ api/generate-pdf.php [L]
RewriteRule ^api/send-email/?$ api/send-email.php [L]

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

# 6) Custom error pages
ErrorDocument 404 /404.html
ErrorDocument 500 /500.html

# ===== REDIRECTIONS =====

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

# ===== 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>

# ===== CORS SETTINGS =====
<IfModule mod_headers.c>
    # Allow requests from any origin (adjust for production)
    Header set Access-Control-Allow-Origin "*"
    
    # Allow specific methods
    Header set Access-Control-Allow-Methods "GET, POST, OPTIONS"
    
    # Allow specific headers
    Header set Access-Control-Allow-Headers "Content-Type, Authorization, X-Requested-With"
    
    # Allow credentials
    Header set Access-Control-Allow-Credentials "true"
</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|php)$">
        Header set Cache-Control "public, max-age=3600, must-revalidate"
    </FilesMatch>
</IfModule>

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

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

# Block access to config directories
RedirectMatch 403 ^/ai/.*$
RedirectMatch 403 ^/db/.*$
RedirectMatch 403 ^/mail/.*$
RedirectMatch 403 ^/api/.*$

# ===== 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 max_input_time 300
    php_value memory_limit 256M
</IfModule>

# ===== FOR APPWIZZY COMPATIBILITY =====
# Ensure PHP files are processed correctly
AddType application/x-httpd-php .php
AddHandler application/x-httpd-php .php

# Set default charset
AddDefaultCharset UTF-8

# Disable directory listing
IndexIgnore *