-- Test 1: Configuration
\set ON_ERROR_STOP on

SELECT version();
SELECT extname, extversion FROM pg_extension;

DO $$
DECLARE
    missing text;
BEGIN
    SELECT string_agg(name, ', ') INTO missing
    FROM unnest(ARRAY['timescaledb', 'vector', 'vchord', 'postgis', 'postgis_topology']) AS name
    WHERE name NOT IN (SELECT extname FROM pg_extension);
    IF missing IS NOT NULL THEN
        RAISE EXCEPTION 'Missing extensions: %', missing;
    END IF;
END
$$;

DO $$
DECLARE
    preload_libs text;
BEGIN
    SELECT setting INTO preload_libs FROM pg_settings WHERE name = 'shared_preload_libraries';
    IF preload_libs NOT LIKE '%timescaledb%' OR preload_libs NOT LIKE '%vchord%' THEN
        RAISE EXCEPTION 'Missing shared_preload_libraries config. Found: %', preload_libs;
    END IF;
    RAISE NOTICE 'Configuration Check: OK';
END
$$;