-- Create product_images table
CREATE TABLE product_images (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    product_id UUID NOT NULL,
    image_path VARCHAR(255) NOT NULL,
    display_order INT NOT NULL DEFAULT 0,
    is_primary BOOLEAN NOT NULL DEFAULT false,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    FOREIGN KEY (product_id) REFERENCES products(id) ON DELETE CASCADE
);

-- Create indexes for performance
CREATE INDEX idx_product_images_product_id ON product_images(product_id);

-- Modify existing products table to remove single image_url field
ALTER TABLE products DROP COLUMN IF EXISTS image_url;