-- Products table
CREATE TABLE products (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    organization_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
    category_id UUID NOT NULL REFERENCES categories(id) ON DELETE CASCADE,
    sku VARCHAR(100),
    name VARCHAR(255) NOT NULL,
    description TEXT,
    price DECIMAL(10,2) NOT NULL CHECK (price >= 0),
    cost DECIMAL(10,2) DEFAULT 0.00 CHECK (cost >= 0),
    business_type VARCHAR(50) DEFAULT 'restaurant',
    metadata JSONB DEFAULT '{}',
    is_active BOOLEAN DEFAULT TRUE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- Indexes
CREATE INDEX idx_products_organization_id ON products(organization_id);
CREATE INDEX idx_products_category_id ON products(category_id);
CREATE INDEX idx_products_sku ON products(sku);
CREATE INDEX idx_products_business_type ON products(business_type);
CREATE INDEX idx_products_is_active ON products(is_active);
CREATE INDEX idx_products_created_at ON products(created_at);