server {
    server_name localhost;
    listen 80;

    return 301 https://$host$request_uri;
}

server {
    server_name localhost;
    listen 443 ssl;

    root /usr/share/nginx/html;
    index index.html index.htm;

    # Allow large file uploads for videos (up to 500MB)
    client_max_body_size 500M;

    ssl_certificate /etc/nginx/ssl/nginx-selfsigned.crt;
    ssl_certificate_key /etc/nginx/ssl/nginx-selfsigned.key;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;

    # API routes - proxy to backend (MUST come before static file rules)
    location /api/ {
        # Handle preflight OPTIONS requests
        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Allow-Origin' '$http_origin' always;
            add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;
            add_header 'Access-Control-Allow-Headers' 'Content-Type, Authorization, X-Requested-With' always;
            add_header 'Access-Control-Allow-Credentials' 'true' always;
            add_header 'Access-Control-Max-Age' 1728000 always;
            add_header 'Content-Type' 'text/plain; charset=utf-8' always;
            add_header 'Content-Length' 0 always;
            return 204;
        }

        proxy_pass http://localhost:8000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Origin $http_origin;
        proxy_buffering off;

        # CORS headers for actual requests
        add_header 'Access-Control-Allow-Origin' '$http_origin' always;
        add_header 'Access-Control-Allow-Credentials' 'true' always;

        # Also set timeout for large uploads
        proxy_read_timeout 300s;
        proxy_send_timeout 300s;
    }

    # Static assets - NO CACHING for development
    location ~* ^/(?!api/).*\.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0";
        add_header Pragma "no-cache";
        add_header Expires "0";
        try_files $uri =404;
    }

    # Handle React Router - all other routes should serve index.html
    location / {
        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0";
        try_files $uri $uri/ /index.html;
    }
}