-- Drop triggers
DROP TRIGGER IF EXISTS update_invoice_on_payment ON payments;
DROP TRIGGER IF EXISTS update_invoice_items_updated_at ON invoice_items;
DROP TRIGGER IF EXISTS update_payments_updated_at ON payments;
DROP TRIGGER IF EXISTS update_invoices_updated_at ON invoices;

-- Drop functions
DROP FUNCTION IF EXISTS update_invoice_status();

-- Drop tables
DROP TABLE IF EXISTS invoice_items;
DROP TABLE IF EXISTS payments;
DROP TABLE IF EXISTS invoices;

-- Drop types
DROP TYPE IF EXISTS payment_status;
DROP TYPE IF EXISTS payment_method;
DROP TYPE IF EXISTS invoice_status;