-- $Id: functions.pgsql $
--- @file
-- ?????????????????????????
--

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\connect testmanager;

DROP FUNCTION authenticate_testbox(inet, uuid);
DROP FUNCTION testbox_status_set(integer, TestBoxState_T);

-- Authenticate Test Box record by IP and UUID and set its state to IDLE
-- Args: IP, UUID
CREATE OR REPLACE FUNCTION authenticate_testbox(inet, uuid) RETURNS testboxes AS $$
    DECLARE
        _ip ALIAS FOR $1;
        _uuidSystem ALIAS FOR $2;
        _box TestBoxes;
    BEGIN
        -- Find Test Box record
        SELECT *
            FROM testboxes
            WHERE ip=_ip AND uuidSystem=_uuidSystem INTO _box;
        IF FOUND THEN
            -- Update Test Box status if exists
            UPDATE TestBoxStatuses SET enmState='idle' WHERE idTestBox=_box.idTestBox;
            IF NOT FOUND THEN
                -- Otherwise, add new record to TestBoxStatuses table
                INSERT
                    INTO TestBoxStatuses(idTestBox, idGenTestBox, enmState)
                    VALUES (_box.idTestBox, _box.idGenTestBox, 'idle');
            END IF;
        END IF;
        return _box;
    END;
$$ LANGUAGE plpgsql;

-- Set Test Box status and make sure if it has been set
-- Args: Test Box ID, new status
CREATE OR REPLACE FUNCTION testbox_status_set(integer, TestBoxState_T) RETURNS VOID AS $$
    DECLARE
        _box ALIAS FOR $1;
        _status ALIAS FOR $2;
    BEGIN
        -- Update Test Box status if exists
        UPDATE TestBoxStatuses SET enmState=_status WHERE idTestBox=_box;
        IF NOT FOUND THEN
            RAISE EXCEPTION 'Test Box (#%) was not found in database', _box;
        END IF;
    END;
$$ LANGUAGE plpgsql;