DROP TABLE IF EXISTS sales;

CREATE TABLE sales (
    id SERIAL PRIMARY KEY,  -- Auto-incremented unique ID
    sale_id TEXT NOT NULL UNIQUE,  -- Sale ID used for tracking
    name TEXT NOT NULL,  -- Name for admin visual purposes
    start_time TIMESTAMP WITHOUT TIME ZONE NOT NULL,  -- Start time that is non timezone specific
    end_time TIMESTAMP WITHOUT TIME ZONE NOT NULL,  -- End time that is non timezone specific
    active BOOLEAN NOT NULL DEFAULT TRUE,  -- Boolean flag to indicate if the sale is active
    discount_percent INT CHECK (discount_percent BETWEEN 1 AND 40),  -- Discount percentage (1-40)
    segmentation JSONB NOT NULL DEFAULT '{ "include_markets": [], "exclude_markets": [], "designers": [], "product_types": [], "products": []}'::jsonb  -- JSON object for segmentation settings
);