-- supabase/migrations/20260709000001_sites_zones.sql
CREATE TABLE sites (
  id      UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  name    TEXT NOT NULL,
  address TEXT,
  region  TEXT,
  active  BOOLEAN NOT NULL DEFAULT true,
  created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE zones (
  id             UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  site_id        UUID NOT NULL REFERENCES sites(id) ON DELETE CASCADE,
  name           TEXT NOT NULL,
  qr_code_token  TEXT NOT NULL UNIQUE DEFAULT gen_random_uuid()::TEXT,
  created_at     TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX zones_site_id_idx ON zones(site_id);