-- pgTAP: accept_invitation() function — B-series edge cases
-- Run with: psql -U postgres -d postgres -f supabase/tests/001_accept_invitation.sql

CREATE EXTENSION IF NOT EXISTS pgtap;

BEGIN;
SELECT plan(6);

-- Setup: three invitations (valid, already-used, expired).
-- NOTE: accept_invitation() looks up by `token`, not by `id`.
DO $$
BEGIN
    INSERT INTO public.collective_invitations (id, collective_id, token, created_by, role, expires_at)
    VALUES
        ('ffffffff-0001-0001-0001-000000000001',
         'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa',
         'ffffffff-0001-0001-0001-000000000001', -- token = same UUID for convenience
         '11111111-1111-1111-1111-111111111111',
         'member',
         now() + INTERVAL '7 days'),
        ('ffffffff-0002-0002-0002-000000000002',
         'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa',
         'ffffffff-0002-0002-0002-000000000002',
         '11111111-1111-1111-1111-111111111111',
         'member',
         now() + INTERVAL '7 days'),
        ('ffffffff-0003-0003-0003-000000000003',
         'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa',
         'ffffffff-0003-0003-0003-000000000003',
         '11111111-1111-1111-1111-111111111111',
         'member',
         now() - INTERVAL '1 day')
    ON CONFLICT (id) DO NOTHING;

    -- Mark the second one as already used
    UPDATE public.collective_invitations
    SET    accepted_at = now(),
           accepted_by = '22222222-2222-2222-2222-222222222222'
    WHERE  id = 'ffffffff-0002-0002-0002-000000000002';
END $$;

-- Make auth.uid() resolve to Eva. set_config() is more reliable than `SET LOCAL`.
SELECT set_config('request.jwt.claim.sub', '55555555-5555-5555-5555-555555555555', true);

-- B-10: Accept valid invitation
SELECT results_eq(
    $$ SELECT (public.accept_invitation('ffffffff-0001-0001-0001-000000000001'::uuid) ->> 'ok')::boolean $$,
    $$ VALUES (true) $$,
    'B-10: valid invitation accepted'
);

SELECT ok(
    EXISTS (
        SELECT 1 FROM public.collective_members
        WHERE collective_id = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
        AND   user_id       = '55555555-5555-5555-5555-555555555555'
    ),
    'B-10: Eva added to collective_members after acceptance'
);

-- B-11: Already-used invitation returns already_used
SELECT results_eq(
    $$ SELECT public.accept_invitation('ffffffff-0002-0002-0002-000000000002'::uuid) ->> 'error' $$,
    $$ VALUES ('already_used') $$,
    'B-11: already-used invitation returns already_used error'
);

-- B-12: Expired invitation returns expired
SELECT results_eq(
    $$ SELECT public.accept_invitation('ffffffff-0003-0003-0003-000000000003'::uuid) ->> 'error' $$,
    $$ VALUES ('expired') $$,
    'B-12: expired invitation returns expired error'
);

-- B-12b: Non-existent token returns not_found
SELECT results_eq(
    $$ SELECT public.accept_invitation('00000000-0000-0000-0000-000000000000'::uuid) ->> 'error' $$,
    $$ VALUES ('not_found') $$,
    'B-12b: non-existent token returns not_found error'
);

-- B-12c: Accepting the same token twice — already-used takes precedence over
-- already_member (the function checks accepted_at before membership).
SELECT results_eq(
    $$ SELECT public.accept_invitation('ffffffff-0001-0001-0001-000000000001'::uuid) ->> 'error' $$,
    $$ VALUES ('already_used') $$,
    'B-12c: re-using a consumed invitation returns already_used'
);

SELECT * FROM finish();
ROLLBACK;