-- test user
INSERT INTO user(name) VALUES('Marie');
INSERT INTO "user_role" (user_id, role_id) VALUES((SELECT id from user where name = 'Marie'),(SELECT id FROM role where name = 'Donau Linz'));
INSERT INTO user(name) VALUES('Philipp');
INSERT INTO "user_role" (user_id, role_id) VALUES((SELECT id from user where name = 'Philipp'),(SELECT id FROM role where name = 'Donau Linz'));

ALTER TABLE "role" ADD COLUMN "cluster" text;
CREATE TRIGGER IF NOT EXISTS prevent_multiple_roles_same_cluster
BEFORE INSERT ON user_role
BEGIN
    SELECT CASE 
        WHEN EXISTS (
            SELECT 1
            FROM user_role ur
            JOIN role r1 ON ur.role_id = r1.id
            JOIN role r2 ON r1."cluster" = r2."cluster"
            WHERE ur.user_id = NEW.user_id
            AND r2.id = NEW.role_id
            AND r1.id != NEW.role_id
        )
        THEN RAISE(ABORT, 'User already has a role in this cluster')
    END;
END;


UPDATE role SET 'cluster'='skill' WHERE id=2;
UPDATE role SET 'cluster'='membership_type' WHERE id=3;
UPDATE role SET 'cluster'='skill' WHERE id=5;
UPDATE role SET 'cluster'='skill' WHERE id=6;
UPDATE role SET 'cluster'='membership_type' WHERE id=7;
UPDATE role SET 'cluster'='financial' WHERE id=8;
UPDATE role SET 'cluster'='membership_type' WHERE id=9;
UPDATE role SET 'cluster'='membership_type' WHERE id=14;
UPDATE role SET 'cluster'='financial' WHERE id=17;
UPDATE role SET 'cluster'='financial' WHERE id=18;
UPDATE role SET 'cluster'='membership_type' WHERE id=20;
UPDATE role SET 'cluster'='membership_type' WHERE id=22;