server {
    listen 80;
    listen [::]:80;
    server_name ai.qpid.pro;

    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    
    # Game Configurator & Admin Panel SPA
    location /configurator/ {
        alias /usr/share/nginx/html/configurator_work/;
        index index.html;
        try_files $uri $uri/ /configurator/index.html;
    }

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

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    server_name ai.qpid.pro;

    ssl_certificate /etc/letsencrypt/live/ai.qpid.pro/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/ai.qpid.pro/privkey.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 1d;

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

    # Security Headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;

    # Certbot webroot
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    # All Game Backend APIs (Auth, Leaderboard, Campaign, Bugs, Config, Admin, Users)
    location /api/ {
        proxy_pass http://127.0.0.1:8001;
        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;
    }


    # Gitea Git Service proxy
    location = /gitea {
        return 301 https://$host/gitea/;
    }

    location /gitea/ {
        proxy_pass http://127.0.0.1:3000/;
        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_http_version 1.1;
        proxy_set_header Connection "";
        proxy_buffering off;
        proxy_read_timeout 120s;
        proxy_connect_timeout 5s;
        client_max_body_size 100M;
    }

    # SPA Fallback & Static asset serving
    
    # Game Configurator & Admin Panel SPA
    location /configurator/ {
        alias /usr/share/nginx/html/configurator_work/;
        index index.html;
        try_files $uri $uri/ /configurator/index.html;
    }

    location / {
        try_files $uri $uri/ /index.html;
    }
}