-- tradein_fdw_reader role + v_tradein_cad_buildings view
-- Used by tradein-postgres via postgres_fdw to read live cad_buildings.
-- See meta/00_credentials.md for password rotation procedure.
BEGIN;

DO $$
BEGIN
  IF NOT EXISTS (SELECT 1 FROM pg_roles WHERE rolname = 'tradein_fdw_reader') THEN
    CREATE ROLE tradein_fdw_reader LOGIN PASSWORD '40473b7c10c7474855c7d1aa98f0fd0a0de2499aef0cbd1fead06c9641e4dcd8';
  END IF;
END$$;

GRANT CONNECT ON DATABASE gendesign TO tradein_fdw_reader;
GRANT USAGE ON SCHEMA public TO tradein_fdw_reader;

CREATE OR REPLACE VIEW v_tradein_cad_buildings AS
SELECT
  cad_num,
  NULLIF(trim(readable_address), '') AS readable_address,
  NULLIF(floors, 0) AS floors,
  CASE WHEN year_built BETWEEN 1800 AND 2100 THEN year_built END AS year_built,
  round(COALESCE(build_record_area, area), 2)::numeric AS area_m2,
  purpose,
  ST_Y(ST_Centroid(geom))::double precision AS lat,
  ST_X(ST_Centroid(geom))::double precision AS lon
FROM cad_buildings
WHERE cad_num LIKE '66:41:%'
  AND geom IS NOT NULL
  AND readable_address IS NOT NULL;

GRANT SELECT ON v_tradein_cad_buildings TO tradein_fdw_reader;

COMMENT ON VIEW v_tradein_cad_buildings IS
  'FDW source for tradein-mvp (postgres_fdw). Flat 8-col EKB-only slice of cad_buildings. tradein.gendesign_cad_buildings maps here.';

COMMIT;