-- Helper: check if a user is an active ARC committee member of an association (matched by email)
CREATE OR REPLACE FUNCTION public.is_arc_committee_member_of_association(_user_id uuid, _association_id uuid)
RETURNS boolean
LANGUAGE sql
STABLE SECURITY DEFINER
SET search_path TO 'public'
AS $$
  SELECT EXISTS (
    SELECT 1
    FROM public.arc_committee_members acm
    JOIN auth.users u ON lower(u.email) = lower(acm.email)
    WHERE u.id = _user_id
      AND acm.association_id = _association_id
      AND acm.is_active = true
      AND acm.email IS NOT NULL
  );
$$;

-- Extend can_comment_on_entity so ARC committee members can vote/comment on ARC applications
CREATE OR REPLACE FUNCTION public.can_comment_on_entity(_user_id uuid, _entity_type text, _entity_id uuid)
RETURNS boolean
LANGUAGE sql
STABLE SECURITY DEFINER
SET search_path TO 'public'
AS $$
  SELECT CASE _entity_type
    WHEN 'board_vote' THEN EXISTS (
      SELECT 1 FROM public.board_votes bv
      WHERE bv.id = _entity_id
        AND public.user_belongs_to_association(_user_id, bv.association_id)
    )
    WHEN 'legal_matter' THEN EXISTS (
      SELECT 1 FROM public.legal_matters lm
      WHERE lm.id = _entity_id
        AND (
          public.user_belongs_to_association(_user_id, lm.association_id)
          OR (
            public.has_role(_user_id, 'legal'::public.app_role)
            AND public.legal_user_assigned_to_association(_user_id, lm.association_id)
          )
        )
    )
    WHEN 'bid_quote' THEN EXISTS (
      SELECT 1 FROM public.bids_quotes bq
      WHERE bq.id = _entity_id
        AND public.user_belongs_to_association(_user_id, bq.association_id)
    )
    WHEN 'arc_application' THEN EXISTS (
      SELECT 1 FROM public.arc_applications aa
      WHERE aa.id = _entity_id
        AND (
          public.user_belongs_to_association(_user_id, aa.association_id)
          OR (
            public.has_role(_user_id, 'arc_member'::public.app_role)
            AND public.is_arc_committee_member_of_association(_user_id, aa.association_id)
          )
        )
    )
    WHEN 'client_request' THEN EXISTS (
      SELECT 1 FROM public.client_requests cr
      WHERE cr.id = _entity_id
        AND public.user_belongs_to_association(_user_id, cr.association_id)
    )
    WHEN 'homeowner_request' THEN EXISTS (
      SELECT 1
      FROM public.homeowner_requests hr
      LEFT JOIN public.owners o ON o.id = hr.owner_id
      WHERE hr.id = _entity_id
        AND (
          public.user_belongs_to_association(_user_id, hr.association_id)
          OR o.user_id = _user_id
        )
    )
    WHEN 'status_update' THEN public.can_comment_on_status_update(_user_id, _entity_id)
    ELSE false
  END
$$;

-- Allow ARC committee members to view ARC applications for their associations
CREATE POLICY "ARC committee members can view association ARC applications"
ON public.arc_applications
FOR SELECT
TO authenticated
USING (
  public.has_role(auth.uid(), 'arc_member'::public.app_role)
  AND public.is_arc_committee_member_of_association(auth.uid(), association_id)
);