function required(name: string, value?: string) {
  if (!value) {
    throw new Error(`Missing environment variable: ${name}`)
  }
  return value
}

export const publicEnv = {
  supabaseUrl: required('NEXT_PUBLIC_SUPABASE_URL', process.env.NEXT_PUBLIC_SUPABASE_URL),
  supabasePublishableKey:
    process.env.NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY ||
    required(
      'NEXT_PUBLIC_SUPABASE_ANON_KEY or NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY',
      process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY,
    ),
  appUrl: process.env.NEXT_PUBLIC_APP_URL || 'http://localhost:3000',
}

export function getServiceRoleKey() {
  return (
    process.env.SUPABASE_SERVICE_ROLE_KEY ||
    required('SUPABASE_SERVICE_ROLE_KEY or SUPABASE_SECRET_KEY', process.env.SUPABASE_SECRET_KEY)
  )
}