-- Enable UUID extension
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

-- Products Table
CREATE TABLE IF NOT EXISTS public.products (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    name TEXT NOT NULL,
    description TEXT,
    base_price DECIMAL(10, 2) NOT NULL DEFAULT 0.00,
    tax_rate DECIMAL(5, 2) NOT NULL DEFAULT 19.00,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT timezone('utc'::text, now()) NOT NULL
);

-- Product Modules Table
CREATE TABLE IF NOT EXISTS public.product_modules (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    product_id UUID REFERENCES public.products(id) ON DELETE CASCADE,
    name TEXT NOT NULL,
    description TEXT,
    price DECIMAL(10, 2) NOT NULL DEFAULT 0.00,
    requirements UUID[] DEFAULT '{}',
    exclusions UUID[] DEFAULT '{}',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT timezone('utc'::text, now()) NOT NULL
);

-- Orders Table
CREATE TABLE IF NOT EXISTS public.orders (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    user_id UUID REFERENCES auth.users(id),
    customer_data JSONB NOT NULL,
    order_data JSONB NOT NULL,
    total_price DECIMAL(10, 2) NOT NULL,
    pdf_url TEXT,
    status TEXT NOT NULL DEFAULT 'pending',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT timezone('utc'::text, now()) NOT NULL
);

-- Enable Row Level Security
ALTER TABLE public.products ENABLE ROW LEVEL SECURITY;
ALTER TABLE public.product_modules ENABLE ROW LEVEL SECURITY;
ALTER TABLE public.orders ENABLE ROW LEVEL SECURITY;

-- Policies
-- Products: Read for everyone, Write for authenticated admins (simplified for now)
CREATE POLICY "Allow public read access on products" ON public.products FOR SELECT USING (true);
CREATE POLICY "Allow public read access on product_modules" ON public.product_modules FOR SELECT USING (true);

-- Orders: Users can only see their own orders
CREATE POLICY "Users can view their own orders" ON public.orders FOR SELECT USING (auth.uid() = user_id);
CREATE POLICY "Users can create their own orders" ON public.orders FOR INSERT WITH CHECK (auth.uid() = user_id);