-- User projects (run in Supabase SQL Editor)

create table if not exists public.projects (
  id uuid primary key default gen_random_uuid(),
  user_id uuid not null references auth.users (id) on delete cascade,
  name text not null default 'Untitled project',
  type text not null check (type in ('video', 'image', 'trimmer')),
  scene_data jsonb not null default '{}'::jsonb,
  render_url text,
  status text not null default 'draft'
    check (status in ('draft', 'rendering', 'ready')),
  created_at timestamptz not null default now(),
  updated_at timestamptz not null default now()
);

create index if not exists projects_user_id_idx on public.projects (user_id);
create index if not exists projects_updated_at_idx on public.projects (updated_at desc);

alter table public.projects enable row level security;

create policy "Users can read own projects"
  on public.projects
  for select
  using (auth.uid() = user_id);

create policy "Users can insert own projects"
  on public.projects
  for insert
  with check (auth.uid() = user_id);

create policy "Users can update own projects"
  on public.projects
  for update
  using (auth.uid() = user_id);

create policy "Users can delete own projects"
  on public.projects
  for delete
  using (auth.uid() = user_id);

create or replace function public.set_projects_updated_at()
returns trigger
language plpgsql
as $$
begin
  new.updated_at = now();
  return new;
end;
$$;

drop trigger if exists projects_updated_at on public.projects;

create trigger projects_updated_at
  before update on public.projects
  for each row
  execute function public.set_projects_updated_at();