-- Create payments table to track subscription payments
CREATE TABLE payments (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
  stripe_invoice_id TEXT NOT NULL UNIQUE,
  amount BIGINT NOT NULL,
  currency TEXT NOT NULL,
  status TEXT NOT NULL,
  paid_at TIMESTAMPTZ,
  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Create indexes for faster lookups
CREATE INDEX idx_payments_user_id ON payments(user_id);
CREATE INDEX idx_payments_stripe_invoice_id ON payments(stripe_invoice_id);
CREATE INDEX idx_payments_status ON payments(status);