# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.

mode cockroach

reset-server

# Verify initial roles.
query TTB rowsort
SELECT id, name, inherit FROM mz_roles WHERE id LIKE 's%' OR id LIKE 'g%'
----
s1  mz_system  true
s2  mz_support  true
s3  mz_analytics  true
g1  mz_monitor  true
g2  mz_monitor_redacted  true

query TB
SELECT name, inherit FROM mz_roles WHERE id LIKE 'u%'
----
materialize  true

simple conn=mz_support,user=mz_support
SELECT mz_catalog.mz_is_superuser()
----
f
COMPLETE 1

simple conn=mz_system,user=mz_system
SELECT mz_catalog.mz_is_superuser()
----
t
COMPLETE 1

# Give materialize the CREATEROLE attribute.
simple conn=mz_system,user=mz_system
GRANT CREATEROLE ON SYSTEM TO materialize
----
COMPLETE 0

statement error non inherit roles not yet supported
CREATE ROLE foo NOINHERIT

statement error db error: ERROR: SUPERUSER, PASSWORD, and LOGIN attributes is not supported in this environment. For more information consult the documentation at https://materialize.com/docs/sql/create-role/#details
CREATE ROLE foo LOGIN

simple
CREATE ROLE foo SUPERUSER
----
db error: ERROR: permission denied to create superuser role
DETAIL: You must be a superuser to create superuser role

statement error conflicting or redundant options
CREATE ROLE foo INHERIT INHERIT

statement error CREATEDB attribute is not supported
CREATE ROLE foo CREATEDB

statement error CREATEROLE attribute is not supported
CREATE ROLE foo CREATEROLE

statement error CREATECLUSTER attribute is not supported
CREATE ROLE foo CREATECLUSTER

# Create role and verify its existence.
statement ok
CREATE ROLE rj

statement error CREATE USER is not supported, for more information consult the documentation at
CREATE USER fms

query TB rowsort
SELECT name, inherit FROM mz_roles
----
materialize  true
mz_analytics  true
mz_monitor  true
mz_monitor_redacted  true
mz_support  true
mz_system  true
rj  true

# Dropping multiple roles should not have any effect if one of the role names
# is bad...
statement error unknown role 'bad'
DROP ROLE rj, bad

query T rowsort
SELECT name FROM mz_roles
----
materialize
mz_analytics
mz_monitor
mz_monitor_redacted
mz_support
mz_system
rj

# ...unless IF EXISTS is specified.
statement ok
DROP ROLE IF EXISTS rj, bad

query T rowsort
SELECT name FROM mz_roles
----
materialize
mz_analytics
mz_monitor
mz_monitor_redacted
mz_support
mz_system

# Verify that the single name version of DROP ROLE works too.
statement ok
CREATE ROLE nlb

query T rowsort
SELECT name FROM mz_roles
----
materialize
mz_analytics
mz_monitor
mz_monitor_redacted
mz_support
mz_system
nlb

statement ok
DROP ROLE nlb

query T rowsort
SELECT name FROM mz_roles
----
mz_system
mz_monitor
mz_support
materialize
mz_analytics
mz_monitor_redacted

statement ok
DROP ROLE IF EXISTS nlb

# No dropping the current role.
statement error current role cannot be dropped
DROP ROLE materialize

# No creating roles that already exist.
statement error role 'materialize' already exists
CREATE ROLE materialize

# No creating roles that look like system roles.
statement error role name "mz_system" is reserved
CREATE ROLE mz_system

statement error role name "mz_foo" is reserved
CREATE ROLE mz_foo

# Create role
statement ok
CREATE ROLE foo

query TB rowsort
SELECT name, inherit FROM mz_roles WHERE name = 'foo'
----
foo true

statement error non inherit roles not yet supported
ALTER ROLE foo NOINHERIT

statement error role name "mz_system" is reserved
ALTER ROLE mz_system INHERIT

statement error conflicting or redundant options
ALTER ROLE foo INHERIT INHERIT

statement error CREATEDB attribute is not supported
ALTER ROLE foo CREATEDB

statement error CREATEROLE attribute is not supported
ALTER ROLE foo CREATEROLE

statement error CREATECLUSTER attribute is not supported
ALTER ROLE foo CREATECLUSTER

# Prevent creating, dropping, and altering PUBLIC role

statement error role name "public" is reserved
CREATE ROLE puBLic

statement error role name "public" is reserved
DROP ROLE PUBLIC

statement error role name "public" is reserved
ALTER ROLE public INHERIT

query T
SELECT pg_get_userbyid((SELECT oid FROM mz_roles WHERE name = 'materialize'))
----
materialize

query T
SELECT pg_get_userbyid((SELECT oid FROM mz_roles WHERE name = 'foo'))
----
foo

query T
SELECT pg_get_userbyid(NULL)
----
NULL

query T
SELECT pg_get_userbyid(4294967295);
----
 unknown (OID=4294967295)

# Test concurrently dropped role

simple conn=foo,user=foo
SELECT current_user();
----
foo
COMPLETE 1

statement ok
DROP ROLE foo

simple conn=foo,user=foo
SELECT current_user();
----
db error: ERROR: role u4 was concurrently dropped
DETAIL: Please disconnect and re-connect with a valid role.

simple conn=mz_system,user=mz_system
DROP CLUSTER mz_system CASCADE;
----
db error: ERROR: system cluster 'mz_system' cannot be modified

simple conn=mz_system,user=mz_system
DROP CLUSTER mz_catalog_server CASCADE;
----
db error: ERROR: system cluster 'mz_catalog_server' cannot be modified

statement error role name "external_foo" is reserved
CREATE ROLE external_foo

# Test SHOW ROLES

query TT
SHOW ROLES
----
materialize (empty)

statement ok
CREATE ROLE foo

query TT
SHOW ROLES
----
foo (empty)
materialize (empty)

query TT
SHOW ROLES WHERE name = 'foo'
----
foo (empty)

query TT
SHOW ROLES LIKE 'f%'
----
foo (empty)