# Edge reverse proxy — single entry point (replaces Caddy).
# Optional upstreams use Docker DNS resolver so nginx starts even if a module is disabled.

map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

# Reflect browser Origin for cross-origin API calls (web app on :3000, API on :80).
map $http_origin $cors_allow_origin {
    default $http_origin;
    ''      '*';
}

server {
    listen 80;
    server_name ${DOMAIN};

    client_max_body_size 10G;

    location /api/ {
        resolver 127.0.0.11 valid=10s ipv6=off;
        set $ultid_upstream ultid:8080;

        proxy_hide_header Access-Control-Allow-Origin;
        proxy_hide_header Access-Control-Allow-Methods;
        proxy_hide_header Access-Control-Allow-Headers;
        proxy_hide_header Access-Control-Expose-Headers;
        proxy_hide_header Access-Control-Max-Age;
        proxy_hide_header Access-Control-Allow-Credentials;
        proxy_hide_header Vary;

        add_header Access-Control-Allow-Origin $cors_allow_origin always;
        add_header Access-Control-Allow-Methods "GET, HEAD, POST, PUT, PATCH, DELETE, OPTIONS" always;
        add_header Access-Control-Allow-Headers "Accept, Authorization, Content-Type, Idempotency-Key, Origin, X-Requested-With, X-Trace-Id" always;
        add_header Access-Control-Expose-Headers "X-Trace-Id" always;
        add_header Access-Control-Max-Age 300 always;
        add_header Vary Origin always;

        proxy_pass http://$ultid_upstream;
        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;
    }

    location /ws {
        resolver 127.0.0.11 valid=10s ipv6=off;
        set $ultid_ws_upstream ultid:8080;

        proxy_hide_header Access-Control-Allow-Origin;

        add_header Access-Control-Allow-Origin $cors_allow_origin always;
        add_header Vary Origin always;

        proxy_pass http://$ultid_ws_upstream;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        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;
    }

    location /auth/ {
        proxy_pass http://authentik-server:9000;
        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 Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_read_timeout 86400;
    }

    location /meet/ {
        resolver 127.0.0.11 valid=10s ipv6=off;
        set $jitsi_upstream jitsi-web;
        proxy_pass http://$jitsi_upstream;
        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;
    }

    location /cloud/ {
        resolver 127.0.0.11 valid=10s ipv6=off;
        set $nc_upstream nextcloud;
        proxy_pass http://$nc_upstream/;
        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;
    }

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

    location / {
        default_type text/plain;
        return 200 "Ulti Suite\n";
    }
}