# 生产域名需要在部署前替换为真实域名，并由 certbot 或等价流程写入 HTTPS 证书配置。
server {
    listen 80;
    server_name genarrative.example.com;

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

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

server {
    listen 443 ssl http2;
    server_name genarrative.example.com;

    ssl_certificate /etc/letsencrypt/live/genarrative.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/genarrative.example.com/privkey.pem;

    root /srv/genarrative/web;
    index index.html;

    include /etc/nginx/snippets/genarrative-maintenance.conf;

    location ^~ /admin/api/ {
        default_type application/json;

        if ($genarrative_maintenance) {
            return 503 '{"ok":false,"error":{"code":"MAINTENANCE","message":"服务维护中"}}';
        }

        proxy_pass http://127.0.0.1:8082/admin/api/;
        proxy_http_version 1.1;
        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 X-Request-Id $request_id;
    }

    location = /admin {
        return 301 /admin/;
    }

    location ^~ /admin/assets/ {
        try_files $uri =404;
    }

    location ^~ /admin/ {
        error_page 503 /maintenance.html;

        if ($genarrative_maintenance) {
            return 503;
        }

        try_files $uri $uri/ /admin/index.html;
    }

    location ^~ /assets/ {
        try_files $uri =404;
    }

    # 生产公网不再暴露旧一体化 API、生成资源代理和健康检查入口。
    location ~ ^/(api|generated-|healthz) {
        return 404;
    }

    # SpacetimeDB 只开放 TypeScript SDK 运行所需的最小公网路由。
    location ~ ^/v1/database/[^/]+/subscribe$ {
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Host $host;
        proxy_read_timeout 3600s;
    }

    location ^~ /v1/identity {
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Host $host;
    }

    location ^~ /v1/ {
        return 404;
    }

    location / {
        error_page 503 /maintenance.html;

        if ($genarrative_maintenance) {
            return 503;
        }

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