-- name: GetGroupMembers :many
SELECT * FROM group_members_expanded
WHERE CASE
      WHEN @include_system::bool THEN TRUE
      ELSE
        user_is_system = false
        END;

-- name: GetGroupMembersByGroupID :many
SELECT *
FROM group_members_expanded
WHERE group_id = @group_id
  -- Filter by system type
  AND CASE
      WHEN @include_system::bool THEN TRUE
      ELSE
        user_is_system = false
      END;

-- name: GetGroupMembersCountByGroupID :one
-- Returns the total count of members in a group. Shows the total
-- count even if the caller does not have read access to ResourceGroupMember.
-- They only need ResourceGroup read access.
SELECT COUNT(*)
FROM group_members_expanded
WHERE group_id = @group_id
  -- Filter by system type
  AND CASE
      WHEN @include_system::bool THEN TRUE
      ELSE
        user_is_system = false
        END;

-- InsertUserGroupsByName adds a user to all provided groups, if they exist.
-- name: InsertUserGroupsByName :exec
WITH groups AS (
    SELECT
        id
    FROM
        groups
    WHERE
        groups.organization_id = @organization_id AND
        groups.name = ANY(@group_names :: text [])
)
INSERT INTO
    group_members (user_id, group_id)
SELECT
    @user_id,
    groups.id
FROM
    groups;

-- InsertUserGroupsByID adds a user to all provided groups, if they exist.
-- name: InsertUserGroupsByID :many
WITH groups AS (
	SELECT
		id
	FROM
		groups
	WHERE
		groups.id = ANY(@group_ids :: uuid [])
)
INSERT INTO
	group_members (user_id, group_id)
SELECT
	@user_id,
	groups.id
FROM
	groups
-- If there is a conflict, the user is already a member
ON CONFLICT DO NOTHING
RETURNING group_id;

-- name: RemoveUserFromAllGroups :exec
DELETE FROM
	group_members
WHERE
	user_id = @user_id;

-- name: RemoveUserFromGroups :many
DELETE FROM
	group_members
WHERE
	user_id = @user_id AND
	group_id = ANY(@group_ids :: uuid [])
RETURNING group_id;

-- name: InsertGroupMember :exec
INSERT INTO
    group_members (user_id, group_id)
VALUES
    ($1, $2);

-- name: DeleteGroupMemberFromGroup :exec
DELETE FROM
	group_members
WHERE
	user_id = $1 AND
	group_id = $2;