Add check_missing_domains command and tests

scripts/analyze.py

@@ -18,7 +18,9 @@ from __future__ import annotations
 
 import sqlite3
 from pathlib import Path
-from typing import Dict, List, Optional
+from typing import Dict, List, Optional, Set
+
+import json
 
 import typer
 
@@ -110,5 +112,36 @@ def cache_ratio_cmd(domain: Optional[str] = typer.Option(None, help="Filter by d
         typer.echo(f"Cache hit ratio: {ratio:.2f}%")
 
 
+@app.command("check-missing-domains")
+def check_missing_domains(json_output: bool = typer.Option(False, "--json", help="Output missing domains as JSON")) -> None:
+    """Show domains present in the database but absent from Nginx config."""
+    try:
+        from scripts.generate_reports import _get_domains as _db_domains
+    except Exception:  # pragma: no cover - fallback if import fails
+        _db_domains = load_domains_from_db
+
+    if not isinstance(json_output, bool):
+        json_output = False
+
+    db_domains = set(_db_domains())
+
+    paths = nginx_config.discover_configs()
+    servers = nginx_config.parse_servers(paths)
+    config_domains: Set[str] = set()
+    for server in servers:
+        names = server.get("server_name", "")
+        for name in names.split():
+            if name:
+                config_domains.add(name)
+
+    missing = sorted(db_domains - config_domains)
+
+    if json_output:
+        typer.echo(json.dumps(missing))
+    else:
+        for d in missing:
+            typer.echo(d)
+
+
 if __name__ == "__main__":
     app()