-- =====================================================
-- GARANTIR QUE A TABELA PROFILES TEM TODAS AS COLUNAS
-- =====================================================

-- Verifica e adiciona colunas que podem estar em falta
DO $$
BEGIN
  IF NOT EXISTS (
    SELECT 1 FROM information_schema.columns 
    WHERE table_name='profiles' AND column_name='id'
  ) THEN
    CREATE TABLE profiles (
      id UUID PRIMARY KEY REFERENCES auth.users(id) ON DELETE CASCADE,
      username VARCHAR(255),
      full_name VARCHAR(255),
      avatar_url TEXT,
      selected_team_id UUID,
      created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
      updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
    );
  END IF;
  
  -- Adiciona colunas em falta se necessário
  IF NOT EXISTS (
    SELECT 1 FROM information_schema.columns 
    WHERE table_name='profiles' AND column_name='username'
  ) THEN
    ALTER TABLE profiles ADD COLUMN username VARCHAR(255);
  END IF;
  
  IF NOT EXISTS (
    SELECT 1 FROM information_schema.columns 
    WHERE table_name='profiles' AND column_name='full_name'
  ) THEN
    ALTER TABLE profiles ADD COLUMN full_name VARCHAR(255);
  END IF;
  
  IF NOT EXISTS (
    SELECT 1 FROM information_schema.columns 
    WHERE table_name='profiles' AND column_name='avatar_url'
  ) THEN
    ALTER TABLE profiles ADD COLUMN avatar_url TEXT;
  END IF;
  
  IF NOT EXISTS (
    SELECT 1 FROM information_schema.columns 
    WHERE table_name='profiles' AND column_name='selected_team_id'
  ) THEN
    ALTER TABLE profiles ADD COLUMN selected_team_id UUID;
  END IF;
END
$$;

-- =====================================================
-- CRIAR TABELAS DE COMPARTILHAMENTO DE JOGO
-- =====================================================

DROP TABLE IF EXISTS game_sync_events;
DROP TABLE IF EXISTS game_sessions;

CREATE TABLE game_sessions (
  id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
  game_id UUID NOT NULL REFERENCES games(id) ON DELETE CASCADE,
  created_by UUID NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
  shared_with_user_id UUID REFERENCES profiles(id) ON DELETE SET NULL,
  share_code VARCHAR(10) UNIQUE NOT NULL,
  status VARCHAR(20) DEFAULT 'active',
  created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
  updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

CREATE TABLE game_sync_events (
  id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
  session_id UUID NOT NULL REFERENCES game_sessions(id) ON DELETE CASCADE,
  action_type VARCHAR(50) NOT NULL,
  action_data JSONB,
  triggered_by UUID NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
  created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- =====================================================
-- CRIAR ÍNDICES PARA PERFORMANCE
-- =====================================================

CREATE INDEX IF NOT EXISTS idx_game_sessions_game_id ON game_sessions(game_id);
CREATE INDEX IF NOT EXISTS idx_game_sessions_share_code ON game_sessions(share_code);
CREATE INDEX IF NOT EXISTS idx_game_sessions_status ON game_sessions(status);
CREATE INDEX IF NOT EXISTS idx_game_sync_events_session_id ON game_sync_events(session_id);

-- =====================================================
-- CRIAR TRIGGER AUTOMÁTICO PARA NOVOS UTILIZADORES
-- =====================================================

CREATE OR REPLACE FUNCTION public.create_profile_for_new_user()
RETURNS TRIGGER AS $$
BEGIN
  INSERT INTO public.profiles (id, username)
  VALUES (NEW.id, COALESCE(NEW.raw_user_meta_data->>'full_name', NEW.email))
  ON CONFLICT (id) DO NOTHING;
  RETURN NEW;
END;
$$ LANGUAGE plpgsql SECURITY DEFINER;

-- Drop the trigger if it exists and create it
DROP TRIGGER IF EXISTS on_auth_user_created ON auth.users;
CREATE TRIGGER on_auth_user_created
  AFTER INSERT ON auth.users
  FOR EACH ROW EXECUTE FUNCTION public.create_profile_for_new_user();