-- v0.603 T1-02: Seller transfer tracking
CREATE TABLE IF NOT EXISTS seller_transfers (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    seller_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    order_id UUID NOT NULL REFERENCES orders(id) ON DELETE CASCADE,
    stripe_transfer_id VARCHAR(255),
    amount_cents BIGINT NOT NULL,
    platform_fee_cents BIGINT NOT NULL,
    currency VARCHAR(3) NOT NULL DEFAULT 'EUR',
    status VARCHAR(50) NOT NULL DEFAULT 'pending',
    error_message TEXT,
    created_at TIMESTAMPTZ DEFAULT NOW(),
    updated_at TIMESTAMPTZ DEFAULT NOW()
);
CREATE INDEX IF NOT EXISTS idx_seller_transfers_seller ON seller_transfers(seller_id);
CREATE INDEX IF NOT EXISTS idx_seller_transfers_order ON seller_transfers(order_id);
CREATE UNIQUE INDEX IF NOT EXISTS idx_seller_transfers_seller_order ON seller_transfers(seller_id, order_id);