CREATE TABLE IF NOT EXISTS resources (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  tenant_id UUID NOT NULL,
  name TEXT NOT NULL,
  type TEXT NOT NULL CHECK (type IN ('room', 'vehicle', 'equipment', 'other')),
  location TEXT,
  capacity INTEGER,
  description TEXT,
  contact_email TEXT,
  is_active BOOLEAN DEFAULT true,
  metadata JSONB DEFAULT '{}',
  created_at TIMESTAMPTZ DEFAULT NOW(),
  updated_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS resources_bookings (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  resource_id UUID NOT NULL REFERENCES resources(id) ON DELETE CASCADE,
  event_id TEXT,
  start_time TIMESTAMPTZ NOT NULL,
  end_time TIMESTAMPTZ NOT NULL,
  booked_by TEXT NOT NULL,
  created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_resources_tenant ON resources(tenant_id);
CREATE INDEX IF NOT EXISTS idx_resources_type ON resources(type);
CREATE INDEX IF NOT EXISTS idx_bookings_resource_time ON resources_bookings(resource_id, start_time, end_time);
CREATE INDEX IF NOT EXISTS idx_bookings_time ON resources_bookings(start_time, end_time);