-- Add login table
create table if not exists people (
    id uuid NOT NULL DEFAULT gen_random_uuid (),
    created_at timestamp without time zone NOT NULL DEFAULT now(),
    created_by uuid NOT NULL,
    updated_at timestamp without time zone NOT NULL DEFAULT now(),
    updated_by uuid NOT NULL,
    email text NOT NULL,
    name text NOT NULL,
    family_name text NOT NULL,
    given_name text NOT NULL
);

ALTER TABLE
    people
ADD
    CONSTRAINT people_pkey PRIMARY KEY (id);

ALTER TABLE if exists users
    ADD COLUMN person_id uuid REFERENCES people (id) ON DELETE SET NULL;

-- Copy data
insert into people (created_by, updated_by, email, name, family_name, given_name) 
select created_by, updated_by, email, name, family_name, given_name from users;

update users u set person_id = p.id from people p where p.email = u.email;