-- Copyright (c) 2026 Probo Inc <hello@probo.com>.
--
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-- of this software and associated documentation files (the "Software"), to deal
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-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in
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--
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-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-- SOFTWARE.

CREATE TYPE control_maturity_level AS ENUM (
    'NONE',
    'INITIAL',
    'MANAGED',
    'DEFINED',
    'QUANTITATIVELY_MANAGED',
    'OPTIMIZING'
);

ALTER TABLE controls ADD COLUMN maturity_level control_maturity_level;

UPDATE controls SET maturity_level = CASE
    WHEN implemented = 'NOT_IMPLEMENTED' THEN 'NONE'::control_maturity_level
    ELSE 'INITIAL'::control_maturity_level
END;

ALTER TABLE controls ALTER COLUMN maturity_level SET NOT NULL;
ALTER TABLE controls ALTER COLUMN implemented DROP NOT NULL;

-- TODO: drop column and type in a future migration
-- ALTER TABLE controls DROP COLUMN implemented;
-- DROP TYPE control_implementation_state;