// EXPO_PUBLIC_* vars are inlined at bundle time by Expo's Babel plugin.
// We pull them through a single typed module so a missing var is a loud
// startup error rather than a confusing Supabase 401 later.

function required(name: string): string {
  const v = process.env[name];
  if (!v || v.length === 0) {
    throw new Error(
      'Missing required env var ' + name + '. Set it in apps/mobile/.env.local — see .env.example.',
    );
  }
  return v;
}

export const env = {
  supabaseUrl: required('EXPO_PUBLIC_SUPABASE_URL'),
  supabaseAnonKey: required('EXPO_PUBLIC_SUPABASE_ANON_KEY'),
  authRedirectUrl: process.env.EXPO_PUBLIC_AUTH_REDIRECT_URL ?? 'netralax://auth/callback',
} as const;