# 开发服无域名时使用的 HTTP 入口，只允许用于 DEPLOY_TARGET=development。
# 没有域名时，将 SERVER_NAME 填为开发机 IP 或临时主机名。
# 生产 release 仍必须使用 genarrative.conf 的 HTTPS 配置。
server {
    listen 80;
    server_name genarrative.example.com;

    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 5;
    gzip_min_length 1024;
    gzip_types
        text/plain
        text/css
        text/javascript
        application/javascript
        application/json
        application/xml
        application/xml+rss
        image/svg+xml;

    # __GENARRATIVE_BROTLI_DIRECTIVES__

    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;
    }

    # 临时兼容主站仍在使用的 /api/* HTTP facade；前端完成 SpacetimeDB SDK 迁移后删除。
    location ~ ^/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;
        proxy_http_version 1.1;
        proxy_buffering off;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        add_header X-Accel-Buffering no always;
        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-Forwarded-Host $host;
        proxy_set_header X-Request-Id $request_id;
    }

    # 开发服仍不恢复旧生成资源代理和健康检查公网入口。
    location ~ ^/(generated-|healthz) {
        return 404;
    }

    # 仅开放前端 SpacetimeDB SDK 运行所需的最小公网路由。
    location ~ ^/v1/database/[^/]+/subscribe$ {
        if ($genarrative_maintenance) {
            return 503;
        }

        proxy_pass http://127.0.0.1:3101;
        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 {
        if ($genarrative_maintenance) {
            return 503;
        }

        proxy_pass http://127.0.0.1:3101;
        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;
    }
}