import Stripe from 'stripe'

/**
 * Initialize Stripe client with secret key from environment
 * This should only be used server-side
 */
export function getStripeClient(): Stripe {
  const secretKey = process.env.STRIPE_SECRET_KEY

  if (!secretKey) {
    // In development, provide a helpful error message
    if (process.env.NODE_ENV === 'development') {
      throw new Error(
        'STRIPE_SECRET_KEY is not set in environment variables.\n' +
        'Please create a .env.local file with your Stripe API keys:\n' +
        'STRIPE_PUBLISHABLE_KEY=pk_test_your_publishable_key_here\n' +
        'STRIPE_SECRET_KEY=sk_test_your_secret_key_here'
      )
    }
    throw new Error('STRIPE_SECRET_KEY is required for Stripe integration')
  }

  return new Stripe(secretKey, {
    // Let Stripe use the default API version for maximum compatibility
    apiVersion: '2024-12-18.acacia',
    typescript: true,
  })
}

/**
 * Initialize Stripe client for browser use
 * This should only be used client-side
 */
export function getStripeBrowserClient() {
  if (typeof window === 'undefined') {
    throw new Error('getStripeBrowserClient should only be used client-side')
  }
  
  const publishableKey = process.env.NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY

  if (!publishableKey) {
    if (process.env.NODE_ENV === 'development') {
      throw new Error(
        'NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY is not set in environment variables.\n' +
        'Please create a .env.local file with your Stripe API keys:\n' +
        'NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=pk_test_your_publishable_key_here'
      )
    }
    throw new Error('Stripe publishable key is required for client-side integration')
  }

  return import('@stripe/stripe-js').then((stripeModule) => {
    return stripeModule.loadStripe(publishableKey)
  })
}