-- Brings back what 000094 and 000098 set up. The outlet settings removed by the up
-- migration are not restored: every outlet falls back to not accepting EnakPoint.

ALTER TABLE payments
    ADD COLUMN IF NOT EXISTS points_used BIGINT,
    ADD COLUMN IF NOT EXISTS point_value DECIMAL(10,2),
    ADD CONSTRAINT chk_payments_point_pair CHECK (
        (points_used IS NULL) = (point_value IS NULL)
        AND (points_used IS NULL OR (points_used > 0 AND point_value > 0)));

ALTER TABLE payment_methods DROP CONSTRAINT IF EXISTS payment_methods_type_check;
ALTER TABLE payment_methods ADD CONSTRAINT payment_methods_type_check
    CHECK (type IN ('cash', 'card', 'digital_wallet', 'qr', 'edc', 'delivery', 'point'));

CREATE UNIQUE INDEX uq_payment_methods_point_per_organization ON payment_methods(organization_id)
    WHERE type = 'point';

INSERT INTO payment_methods (organization_id, name, type, is_active)
SELECT id, 'EnakPoint', 'point', TRUE FROM organizations
ON CONFLICT (organization_id) WHERE type = 'point' DO NOTHING;

CREATE OR REPLACE FUNCTION create_point_payment_method()
RETURNS TRIGGER AS $$
BEGIN
    INSERT INTO payment_methods (organization_id, name, type, is_active)
    VALUES (NEW.id, 'EnakPoint', 'point', TRUE)
    ON CONFLICT (organization_id) WHERE type = 'point' DO NOTHING;
    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

CREATE TRIGGER trigger_create_point_payment_method
    AFTER INSERT ON organizations
    FOR EACH ROW
    EXECUTE FUNCTION create_point_payment_method();