-- +goose Up
CREATE TABLE products (
    id           UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    user_id      UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    mapping_id   UUID REFERENCES ingredient_mappings(id),
    name         TEXT NOT NULL,
    quantity     DECIMAL(10, 2) NOT NULL DEFAULT 1,
    unit         TEXT NOT NULL DEFAULT 'pcs',
    category     TEXT,
    storage_days INT NOT NULL DEFAULT 7,
    added_at     TIMESTAMPTZ NOT NULL DEFAULT now(),
    expires_at   TIMESTAMPTZ GENERATED ALWAYS AS
                 (added_at + (storage_days || ' days')::INTERVAL) STORED
);

CREATE INDEX idx_products_user_id   ON products(user_id);
CREATE INDEX idx_products_expires_at ON products(user_id, expires_at);

-- +goose Down
DROP TABLE products;