-- Additional domain tables for VLANs, devices, and user metadata

-- VLAN catalog (acts as enum of available VLANs)
CREATE TABLE IF NOT EXISTS vlans (
  id INTEGER PRIMARY KEY,
  nombre TEXT NOT NULL,
  descripcion TEXT
);

-- Devices table: store individual device information
CREATE TABLE IF NOT EXISTS dispositivos (
  id SERIAL PRIMARY KEY,
  mac VARCHAR(32) UNIQUE NOT NULL,
  nombre TEXT,
  descripcion TEXT,
  vendor TEXT,
  first_seen TIMESTAMPTZ NOT NULL DEFAULT NOW(),
  last_seen TIMESTAMPTZ,
  notas TEXT
);
CREATE INDEX IF NOT EXISTS dispositivos_mac_idx ON dispositivos (mac);

-- Users metadata table (separate from radcheck/radreply for FreeRADIUS)
CREATE TABLE IF NOT EXISTS users (
  username VARCHAR(64) PRIMARY KEY,
  etiquetas TEXT[] NOT NULL DEFAULT '{}',
  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
  habilitado_since TIMESTAMPTZ,
  dispositivos_utilizados INTEGER[] NOT NULL DEFAULT '{}', -- references dispositivos.id
  dispositivos_conectados INTEGER[] NOT NULL DEFAULT '{}'  -- references dispositivos.id
);

-- updated_at trigger helper
DO $$
BEGIN
  IF NOT EXISTS (
    SELECT 1 FROM pg_proc WHERE proname = 'set_updated_at'
  ) THEN
    CREATE FUNCTION set_updated_at() RETURNS TRIGGER AS $$
    BEGIN
      NEW.updated_at = NOW();
      RETURN NEW;
    END;
    $$ LANGUAGE plpgsql;
  END IF;
END$$;

DO $$
BEGIN
  IF NOT EXISTS (
    SELECT 1 FROM pg_trigger WHERE tgname = 'trg_users_updated'
  ) THEN
    CREATE TRIGGER trg_users_updated
    BEFORE UPDATE ON users
    FOR EACH ROW EXECUTE FUNCTION set_updated_at();
  END IF;
END$$;