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-- Create a table for public profiles
create table if not exists public.users (
  id uuid references auth.users on delete cascade not null primary key,
  email text,
  full_name text,
  avatar_url text,
  credits integer default 5,
  created_at timestamp with time zone default timezone('utc'::text, now()) not null
);

-- Set up Row Level Security (RLS)
alter table public.users enable row level security;

create policy "Public profiles are viewable by everyone." on public.users
  for select using (true);

create policy "Users can insert their own profile." on public.users
  for insert with check (auth.uid() = id);

create policy "Users can update own profile." on public.users
  for update using (auth.uid() = id);

-- Create a function to handle new user signup
create or replace function public.handle_new_user()
returns trigger as $$
begin
  insert into public.users (id, email, full_name, avatar_url, credits)
  values (
    new.id,
    new.email,
    new.raw_user_meta_data->>'full_name',
    new.raw_user_meta_data->>'avatar_url',
    5 -- Default credits
  );
  return new;
end;
$$ language plpgsql security definer;

-- Create a trigger to call the function on new user creation
create or replace trigger on_auth_user_created
  after insert on auth.users
  for each row execute procedure public.handle_new_user();