-- CODE CRISPIES - Supabase Database Setup
-- Run this in Supabase Dashboard → SQL Editor → New Query

-- Drop existing objects first
  DROP FUNCTION IF EXISTS delete_own_account();
  DROP TABLE IF EXISTS user_progress;
  DROP TABLE IF EXISTS newsletter_subscribers;

-- User progress table
CREATE TABLE user_progress (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  user_id UUID REFERENCES auth.users(id) ON DELETE CASCADE,
  progress JSONB NOT NULL DEFAULT '{}',
  user_code JSONB NOT NULL DEFAULT '{}',
  settings JSONB NOT NULL DEFAULT '{}',
  language TEXT DEFAULT 'en',
  updated_at TIMESTAMPTZ DEFAULT NOW(),
  created_at TIMESTAMPTZ DEFAULT NOW(),
  UNIQUE(user_id)
);

-- Newsletter subscribers table
CREATE TABLE newsletter_subscribers (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  email TEXT UNIQUE NOT NULL,
  subscribed_at TIMESTAMPTZ DEFAULT NOW()
);

-- Row Level Security
ALTER TABLE user_progress ENABLE ROW LEVEL SECURITY;
ALTER TABLE newsletter_subscribers ENABLE ROW LEVEL SECURITY;

-- Users can only access their own progress
CREATE POLICY "Users can CRUD own progress"
  ON user_progress FOR ALL
  USING (auth.uid() = user_id)
  WITH CHECK (auth.uid() = user_id);

-- Anyone can subscribe to newsletter (public insert)
CREATE POLICY "Anyone can subscribe to newsletter"
  ON newsletter_subscribers FOR INSERT
  WITH CHECK (true);

-- Function to delete own account (called via RPC)
CREATE OR REPLACE FUNCTION delete_own_account()
RETURNS void
LANGUAGE plpgsql
SECURITY DEFINER
SET search_path = public
AS $$
BEGIN
  -- Delete user's progress (CASCADE should handle this, but be explicit)
  DELETE FROM user_progress WHERE user_id = auth.uid();

  -- Delete the user from auth.users
  DELETE FROM auth.users WHERE id = auth.uid();
END;
$$;